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WO2017193947A1 - Procédé et dispositif de commande de cellule, et support d'informations - Google Patents

Procédé et dispositif de commande de cellule, et support d'informations Download PDF

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Publication number
WO2017193947A1
WO2017193947A1 PCT/CN2017/083851 CN2017083851W WO2017193947A1 WO 2017193947 A1 WO2017193947 A1 WO 2017193947A1 CN 2017083851 W CN2017083851 W CN 2017083851W WO 2017193947 A1 WO2017193947 A1 WO 2017193947A1
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WO
WIPO (PCT)
Prior art keywords
cell
terminal
network node
frequency band
network nodes
Prior art date
Application number
PCT/CN2017/083851
Other languages
English (en)
Chinese (zh)
Inventor
刘佳敏
许芳丽
Original Assignee
电信科学技术研究院
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Filing date
Publication date
Application filed by 电信科学技术研究院 filed Critical 电信科学技术研究院
Publication of WO2017193947A1 publication Critical patent/WO2017193947A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/20—Negotiating bandwidth
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/34—Reselection control
    • H04W36/36—Reselection control by user or terminal equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a cell operating method and apparatus.
  • An existing cell is defined as a set of downlink resources and possible uplink resources.
  • the association of the downlink resource carrier frequency and the uplink resource carrier frequency is indicated by a system message transmitted on the downlink resource.
  • the carrier frequency refers to the center frequency of the cell. Different carriers form different cells, and carriers can provide services to users through carrier aggregation (CA).
  • CA carrier aggregation
  • the Cell is a network device that provides services to the terminal on the same carrier frequency.
  • the maximum bandwidth of a single carrier is 20 MHz.
  • the working carrier bandwidth of a single cell is defined as a maximum of 20 MHz, and does not support working as a cell when a plurality of nodes are non-ideal backhaul connections.
  • the terminal needs more than 20MHz bandwidth to provide services in the future, and needs to smoothly move between multiple transmission nodes, the current technology cannot be well supported.
  • Switching between multiple physical nodes is possible, and the large bandwidth is cut into small bandwidths, for example, one carrier at 20 MHz, for multi-carrier aggregation, each carrier has its own common signaling overhead and management overhead. The consequence of this is that the user experience is not good and the efficiency of the network side is not high.
  • the purpose of the disclosure is to provide a method and a device for operating a cell, which solves the problem that the maximum bandwidth of a single cell is limited and does not support a plurality of nodes working as a cell in a non-ideal backhaul connection, so that the terminal cannot be densely connected.
  • the present disclosure provides a cell operation method, which is applied to a terminal side, and includes:
  • the cell operation method further includes:
  • the at least one first network node that is successfully accessed by the receiving terminal is a second frequency band resource configured by the terminal, and performs data transmission with the first network node by using the second frequency band resource;
  • the second frequency band resource is all or part of the remaining frequency band resources obtained by removing the first frequency band resource in the full-band resource of the first cell.
  • the plurality of first network nodes transmitting the same synchronization signal by using the same first frequency band resource
  • the first frequency band resource is a preset narrow broadband position in a full-band resource of the first cell.
  • the first frequency band resource is a plurality of preset time-frequency domain locations in the full-band resource of the first cell.
  • the same first system message includes: a full-band resource of the first cell, an access parameter of the first cell, and camping and cell selection information of the first cell.
  • the step of accessing the at least one first network node according to the same first system message includes:
  • the access parameter includes access code configuration information and/or access resource configuration information.
  • the step of accessing the at least one first network node according to the access parameter of the first cell in the first system message includes:
  • the cell operating method further includes: before the at least one first network node that the receiving terminal successfully accesses is the second frequency band resource configured by the terminal, the cell operating method further includes:
  • the measurement result is reported to the first network node, so that the first network node can configure a second frequency band resource for the terminal or configure a new network node for the terminal according to the measurement result.
  • the embodiment of the present disclosure further provides a cell operation method, which is applied to the network side, and includes:
  • the plurality of first network nodes send the same synchronization signal in the first frequency band resource of the first cell to which the plurality of first network nodes belong, so that the terminal can obtain the downlink timing with the multiple first network nodes according to the same synchronization signal.
  • the plurality of first network nodes synchronously transmit the same first system message, so that the terminal can camp on the first cell to which the plurality of first network nodes belong according to the first system message.
  • the cell operation method further includes:
  • the second frequency band resource is all or part of the remaining frequency band resources obtained by removing the first frequency band resource in the full-band resource of the first cell.
  • the plurality of first network nodes transmitting the same synchronization signal by using the same first frequency band resource
  • the first frequency band resource is a narrow broadband position in the full-band resource of the first cell.
  • the first frequency band resource is a plurality of preset time-frequency domain locations in the full-band resource of the first cell.
  • the same first system message includes: a full-band resource of the first cell, an access parameter of the first cell, and camping and cell selection information of the first cell.
  • the step of configuring the second frequency band resource for the successfully accessed terminal includes:
  • the embodiment of the present disclosure further provides a cell operation method, which is applied to the terminal side, and includes:
  • the second system message includes information about all the second network nodes that belong to the second cell, where the terminal determines, according to the information about the second system message and the network node, whether the network node is Belong to the second cell; or,
  • the terminal determines, according to the preset signaling that is used to identify a mapping relationship between the preset tracking area TA and the information of the network node, the preset tracking area TA to which the network node belongs.
  • the second small network node belongs to the second small network node according to the same second system message. After the area is camped, the cell operation method further includes:
  • the at least one second network node that is successfully accessed by the receiving terminal is a fourth frequency band resource configured by the terminal, and performs data transmission with the second network node by using the fourth frequency band resource;
  • the fourth frequency band resource is all or part of the remaining frequency band resources obtained by removing all the third frequency band resources in the full-band resource of the second cell.
  • the plurality of second network nodes respectively send different synchronization signals corresponding to each second network node by using the same or different third frequency band resources;
  • the third frequency band resource is the same or different multiple time-frequency domain locations in the full-band resources of the second cell.
  • the second system message further includes: a full-band resource of the second cell, an access parameter of the second cell, and a camping and cell selection information of the second cell.
  • the step of accessing the at least one second network node that is synchronized with the terminal to obtain the downlink timing according to the same second system message includes:
  • the access parameter includes access code configuration information and/or access resource configuration information.
  • the cell operation method further includes: before the terminal accesses the at least one second network node after the second cell is successfully camped on the second cell, the method further includes:
  • the target network node belongs to the second cell, determining that the terminal resides in the second cell;
  • the target network node does not belong to the second cell, acquire a system message of the cell to which the target network node belongs, and initiate a process of cell selection and cell reselection, and re-resident.
  • the step of accessing the at least one second network node according to the access parameter of the second cell in the second system message includes:
  • the cell operating method further includes: before the at least one second network node that the receiving terminal successfully accesses is the fourth frequency band resource configured by the terminal, the cell operating method further includes:
  • the measurement result is reported to the second network node, so that the second network node can configure the fourth frequency band resource for the terminal or configure a new network node for the terminal according to the measurement result.
  • the embodiment of the present disclosure further provides a cell operation method, which is applied to the network side, and includes:
  • the plurality of second network nodes send different synchronization signals in the third frequency band resource corresponding to each of the second network nodes of the second cell to which the plurality of second network nodes belong, so that the terminal can be based on different synchronization signals and at least A second network node obtains downlink timing synchronization;
  • the terminal Transmitting, by the plurality of second network nodes, the same second system message, the terminal is capable of camping on the second cell to which the plurality of second network nodes belong according to the second system message; wherein the terminal is capable of according to the network
  • the information of the node determines whether the network node belongs to the second cell.
  • the second system message includes information about all the second network nodes that belong to the second cell, where the terminal determines, according to the information about the second system message and the network node, whether the network node is Belong to the second cell; or,
  • the terminal determines, according to the preset signaling that is used to identify a mapping relationship between the preset tracking area TA and the information of the network node, the preset tracking area TA to which the network node belongs.
  • the cell operation method further includes:
  • the fourth frequency band resource is all or part of the remaining frequency band resources obtained by removing all the third frequency band resources in the full-band resource of the second cell.
  • the plurality of second network nodes respectively send different synchronization signals corresponding to each second network node by using the same or different third frequency band resources;
  • the third frequency band resource is a different plurality of time-frequency domain locations in the full-band resources of the second cell.
  • the second system message further includes: a full-band resource of the second cell, an access parameter of the second cell, and a camping and cell selection information of the second cell.
  • the step of configuring the fourth frequency band resource for the successfully accessed terminal includes:
  • the embodiment of the present disclosure further provides a cell operating device, which is applied to the terminal side, and includes:
  • a first receiving module configured to receive, by the multiple first network nodes, the same synchronization signal that is sent in a first frequency band resource of the first cell to which the multiple first network nodes belong, and obtain the same synchronization signal according to the same synchronization signal Synchronizing with downlink timing of multiple first network nodes;
  • a second receiving module configured to receive the same first system message that is sent by each of the first network nodes, and to camp on the first cell to which the multiple first network nodes belong according to the same first system message stay.
  • the cell operating device further includes:
  • a first access module configured to access at least one first network node according to the same first system message
  • a first transmission module configured to receive, by the at least one first network node that the terminal successfully accesses, a second frequency band resource configured by the terminal, and enter the first network node by using the second frequency band resource Data transmission; among them,
  • the second frequency band resource is all or part of the remaining frequency band resources obtained by removing the first frequency band resource in the full-band resource of the first cell.
  • the plurality of first network nodes transmitting the same synchronization signal by using the same first frequency band resource
  • the first frequency band resource is a preset narrow broadband position in a full-band resource of the first cell.
  • the first frequency band resource is a plurality of preset time-frequency domain locations in the full-band resource of the first cell.
  • the same first system message includes: a full-band resource of the first cell, an access parameter of the first cell, and camping and cell selection information of the first cell.
  • the first access module includes:
  • a first access submodule configured to access at least one first network node according to an access parameter of the first cell in the first system message;
  • the access parameter includes access code configuration information and/or access Resource configuration information.
  • the first access submodule includes:
  • a first determining unit configured to determine an access code and/or an access resource of the terminal according to the access code configuration information and/or the access resource configuration information
  • a first sending unit configured to send the access code to at least one first network node or send data information to the at least one first network node on the access resource;
  • the first receiving unit is configured to receive the identification information and the uplink transmission resource that are allocated by the first network node that is returned by the first network node to the terminal, and the terminal successfully accesses the at least one first network node.
  • the cell operating device further includes:
  • a first reporting module configured to report capability information of the terminal to the first network node that is successfully accessed
  • a first signaling receiving module configured to receive configuration signaling generated by the first network node according to the capability information and a preliminary measurement result of the terminal, and indicate, according to the configuration signaling, the configuration signaling Other network nodes perform measurements;
  • a second reporting module configured to report the measurement result to the first network node, so that the first A network node can configure a second frequency band resource for the terminal or configure a new network node for the terminal according to the measurement result.
  • the embodiment of the present disclosure further provides a cell operating device, which is applied to the network side, and includes:
  • a first sending module configured to send, by the multiple first network nodes, the same synchronization signal in a first frequency band resource of the first cell to which the multiple first network nodes belong, so that the terminal can be multiple according to the same synchronization signal
  • the first network node obtains downlink timing synchronization
  • a second sending module configured to send, by the plurality of first network nodes, the same first system message, so that the terminal can perform, according to the first system message, the first cell to which the multiple first network nodes belong Resident.
  • the cell operating device further includes:
  • a first information receiving module configured to receive an access code sent by the terminal or data information sent on an access resource of the terminal
  • a first allocation module configured to allocate identification information and an uplink transmission resource to the terminal according to the access code or the data information, to determine that the terminal successfully accesses the first network node;
  • a first configuration module configured to configure a second frequency band resource for the successfully accessed terminal, and perform data transmission with the terminal by using the second frequency band resource
  • the second frequency band resource is all or part of the remaining frequency band resources obtained by removing the first frequency band resource in the full-band resource of the first cell.
  • the plurality of first network nodes transmitting the same synchronization signal by using the same first frequency band resource
  • the first frequency band resource is a narrow broadband position in the full-band resource of the first cell.
  • the first frequency band resource is a plurality of preset time-frequency domain locations in the full-band resource of the first cell.
  • the same first system message includes: a full-band resource of the first cell, an access parameter of the first cell, and camping and cell selection information of the first cell.
  • the first configuration module includes:
  • the first information acquiring unit is configured to perform preliminary measurement on the successfully accessed terminal, and obtain capability information of the successfully accessed terminal;
  • a first configuration unit configured to generate configuration signaling to the terminal according to the preliminary measurement result and the capability information, and send the configuration signaling to the terminal, where the configuration signaling is used to indicate that the terminal performs measurement on other network nodes;
  • a second configuration unit configured to acquire a measurement result of the terminal, and configure a second frequency band resource for the terminal or configure a new network node for the terminal according to the measurement result.
  • the embodiment of the present disclosure further provides a cell operating device, which is applied to the terminal side, and includes:
  • a third receiving module configured to receive different synchronization signals sent by the multiple second network nodes in the third frequency band resource of the second cell to which the multiple second network nodes belong, and respectively obtain and synchronize according to different synchronization signals Downlink timing synchronization of at least one second network node;
  • a fourth receiving module configured to receive the same second system message sent by each of the second network nodes, and to camp on the second cell to which the multiple second network nodes belong according to the same second system message Wherein the terminal is able to determine whether the network node belongs to the second cell according to information of the network node.
  • the second system message includes information about all the second network nodes that belong to the second cell, where the terminal determines, according to the information about the second system message and the network node, whether the network node is Belong to the second cell; or,
  • the terminal determines, according to the preset signaling that is used to identify a mapping relationship between the preset tracking area TA and the information of the network node, the preset tracking area TA to which the network node belongs.
  • the cell operating device further includes:
  • a second access module configured to access, according to the same second system message, at least one second network node that acquires downlink timing synchronization with the terminal;
  • a second transmission module configured to receive, by the at least one second network node that the terminal successfully accesses, a fourth frequency band resource configured by the terminal, and perform data transmission with the second network node by using the fourth frequency band resource;
  • the fourth frequency band resource is all or part of the remaining frequency band resources obtained by removing all the third frequency band resources in the full-band resource of the second cell.
  • the plurality of second network nodes respectively send different synchronization signals corresponding to each second network node by using the same or different third frequency band resources;
  • the third frequency band resource is the same or different among the full-band resources of the second cell Time-frequency domain location.
  • the second system message further includes: a full-band resource of the second cell, an access parameter of the second cell, and a camping and cell selection information of the second cell.
  • the second access module includes:
  • a second access submodule configured to access at least one second network node according to an access parameter of the second cell in the second system message;
  • the access parameter includes access code configuration information and/or access Resource configuration information.
  • the cell operating device further includes:
  • a mobile module configured to acquire a synchronization signal of a target network node to which the terminal currently belongs when the terminal moves;
  • a cell determining module configured to determine, according to a synchronization signal of the target network node and information of all second network nodes that belong to the second cell included in the second system message, whether the target network node belongs to the second Community
  • a first determining module configured to determine that the terminal resides in the second cell if the target network node belongs to the second cell
  • the second determining module is configured to: if the target network node does not belong to the second cell, acquire a system message of the cell to which the target network node belongs, and initiate a process of cell selection and cell reselection, and re-resident.
  • the second access submodule includes:
  • a second determining unit configured to determine an access code and/or an access resource of the terminal according to the access code configuration information and/or the access resource configuration information
  • a second sending unit configured to send the access code to the at least one second network node or send the data information to the at least one second network node on the access resource
  • a second receiving unit configured to receive, by the at least one second network node, the identification information that is allocated by the second network node for the terminal, and the uplink transmission resource, where the terminal successfully accesses the at least one second network node.
  • the cell operating device further includes:
  • a third reporting module configured to report capability information of the terminal to the second network node that is successfully accessed
  • a second signaling receiving module configured to receive, by the second network node, the capability information and the pair The configuration signaling generated by the preliminary measurement result of the terminal, and the other network nodes indicated in the configuration signaling are measured according to the configuration signaling;
  • a fourth reporting module configured to report the measurement result to the second network node, so that the second network node can configure a fourth frequency band resource for the terminal or configure a new network for the terminal according to the measurement result node.
  • the embodiment of the present disclosure further provides a cell operating device, which is applied to the network side, and includes:
  • a third sending module configured to send, by the multiple second network nodes, different synchronization signals in a third frequency band resource corresponding to each second network node of the second cell to which the multiple second network nodes belong, so that the terminal can enable the terminal Acquiring downlink timing synchronization with at least one second network node according to different synchronization signals;
  • a fourth sending module configured to send, by the multiple second network nodes, the same second system message, so that the terminal can camp on the second cell to which the multiple second network nodes belong according to the second system message Wherein the terminal is able to determine whether the network node belongs to the second cell according to information of the network node.
  • the second system message includes information about all the second network nodes that belong to the second cell, where the terminal determines, according to the information about the second system message and the network node, whether the network node is Belong to the second cell; or,
  • the terminal determines, according to the preset signaling that is used to identify a mapping relationship between the preset tracking area TA and the information of the network node, the preset tracking area TA to which the network node belongs.
  • the cell operating device further includes:
  • a second information receiving module configured to receive an access code sent by the terminal or data information sent on an access resource of the terminal
  • a second allocation module configured to allocate identification information and uplink transmission resources to the terminal according to the access code or the data information, to determine that the terminal successfully accesses the second network node;
  • a second configuration module configured to configure a fourth frequency band resource for the successfully accessed terminal, and perform data transmission with the terminal by using the fourth frequency band resource
  • the fourth frequency band resource is all or part of the remaining frequency band resources obtained by removing all the third frequency band resources in the full-band resource of the second cell.
  • the plurality of second network nodes are respectively sent by using the same or different third frequency band resources. Sending different synchronization signals corresponding to each second network node;
  • the third frequency band resource is a different plurality of time-frequency domain locations in the full-band resources of the second cell.
  • the second system message further includes: a full-band resource of the second cell, an access parameter of the second cell, and a camping and cell selection information of the second cell.
  • the second configuration module includes:
  • a second information acquiring unit configured to perform preliminary measurement on the successfully accessed terminal, and obtain capability information of the successfully accessed terminal
  • a third configuration unit configured to generate configuration signaling to the terminal according to the preliminary measurement result and the capability information, and send the configuration signaling to the terminal, where the configuration signaling is used to instruct the terminal to perform measurement on other network nodes;
  • a fourth configuration unit configured to acquire a measurement result of the terminal, and configure a fourth frequency band resource for the terminal or configure a new network node for the terminal according to the measurement result.
  • the embodiment of the present disclosure further provides a cell operating device, which is applied to the terminal side and includes:
  • transceiver coupled to the processor and configured to receive and transmit data under control of the processor
  • the processor is configured to perform the following operations:
  • the embodiment of the present disclosure further provides a cell operating device, which is applied to the network side and includes:
  • transceiver coupled to the processor and configured to receive and transmit data under control of the processor
  • the processor is configured to perform the following operations:
  • the plurality of first network nodes synchronously transmit the same first system message, so that the terminal can camp on the first cell to which the plurality of first network nodes belong according to the first system message.
  • the embodiment of the present disclosure further provides a cell operating device, which is applied to the terminal side and includes:
  • transceiver coupled to the processor and configured to receive and transmit data under control of the processor
  • the processor is configured to perform the following operations:
  • the embodiment of the present disclosure further provides a cell operating device, which is applied to the network side and includes:
  • transceiver coupled to the processor and configured to receive and transmit data under control of the processor
  • the processor is configured to perform the following operations:
  • the plurality of second network nodes send different synchronization signals in the third frequency band resource corresponding to each of the second network nodes of the second cell to which the plurality of second network nodes belong, so that the terminal can be based on different synchronization signals and at least A second network node obtains downlink timing synchronization;
  • the terminal Transmitting, by the plurality of second network nodes, the same second system message, the terminal is capable of camping on the second cell to which the plurality of second network nodes belong according to the second system message; wherein the terminal is capable of according to the network
  • the information of the node determines whether the network node belongs to the second cell.
  • Embodiments of the present disclosure also provide a non-volatile computer storage medium storing computer readable instructions executable by a processor, the processor performing the following operations when the computer readable instructions are executed by a processor :
  • Embodiments of the present disclosure also provide a non-volatile computer storage medium storing computer readable instructions executable by a processor, the processor performing the following operations when the computer readable instructions are executed by a processor :
  • the plurality of first network nodes send the same synchronization signal in the first frequency band resource of the first cell to which the plurality of first network nodes belong, so that the terminal can obtain the downlink timing with the multiple first network nodes according to the same synchronization signal.
  • the plurality of first network nodes synchronously transmit the same first system message, so that the terminal can camp on the first cell to which the plurality of first network nodes belong according to the first system message.
  • Embodiments of the present disclosure also provide a non-volatile computer storage medium storing computer readable instructions executable by a processor, the processor performing the following operations when the computer readable instructions are executed by a processor :
  • Embodiments of the present disclosure also provide a non-volatile computer storage medium storing computer readable instructions executable by a processor, the processor performing the following operations when the computer readable instructions are executed by a processor :
  • the plurality of second network nodes send different synchronization signals in the third frequency band resource corresponding to each of the second network nodes of the second cell to which the plurality of second network nodes belong, so that the terminal can be based on different synchronization signals and at least A second network node obtains downlink timing synchronization;
  • the second system message camps on the second cell to which the plurality of second network nodes belong; wherein the terminal is capable of determining, according to information of the network node, whether the network node belongs to the second cell.
  • a plurality of network nodes are planned in advance to belong to the same cell, so that the cell has a larger bandwidth resource, and the same system message is broadcasted at the preset position of the cell band and the same or different Common signaling such as synchronization signals avoids each network node having its own common signaling overhead and management overhead, reduces the overhead of public signaling, improves system efficiency, and ensures user experience.
  • Figure 1 is a schematic diagram showing the connection principle between nodes on the network side
  • FIG. 2 is a flowchart showing basic steps of a method for operating a cell on a terminal side according to at least one embodiment of the present disclosure
  • FIG. 3 is a flow chart showing the basic steps of a cell-side cell operation method provided by at least one embodiment of the present disclosure
  • FIG. 4 is a flowchart showing the basic steps of a method for operating a cell on a terminal side according to at least one embodiment of the present disclosure
  • FIG. 5 is a flowchart showing basic steps of a cell-side cell operation method provided by at least one embodiment of the present disclosure
  • FIG. 6 is a block diagram showing the structure of a cell operating device on a terminal side according to at least one embodiment of the present disclosure
  • FIG. 7 is a block diagram showing the structure of a cell operating device according to at least one embodiment of the present disclosure.
  • FIG. 8 is a block diagram showing the structure of a cell operating device on the network side according to at least one embodiment of the present disclosure
  • FIG. 9 is a block diagram showing the structure of a cell operating device according to at least one embodiment of the present disclosure.
  • FIG. 10 is a block diagram showing the structure of a cell operating device on the terminal side provided by at least one embodiment of the present disclosure
  • FIG. 11 is a block diagram showing the structure of a cell operating device on the network side according to at least one embodiment of the present disclosure.
  • the base stations eNBs
  • the eNBs and core network nodes such as the mobility management unit ( The MME), the Serving Gateway (SGW), etc. are also connected by a wired link.
  • the MME mobility management unit
  • SGW Serving Gateway
  • the core idea of at least one embodiment of the present disclosure is as follows: for an idle state terminal, camping on a unified resident layer, wherein the resident layer is a public message such as a transmission system message and a synchronization signal synchronized by a plurality of network nodes It is perceived by the terminal.
  • the terminal may initiate an access procedure at a resident layer or a specified time-frequency domain location, and the terminal after entering the connected state may be configured with dedicated transmission resources, which are different network nodes in the same or different frequency bands. which provided.
  • the so-called resident layer refers to the sum of resources that the terminal can perceive when the terminal is in the idle state.
  • the set of resources that the terminal can see in the resident state and the connected state is different.
  • the resources that the resident state needs to listen to are collectively referred to as the resident layer, and when the terminal enters the connected state, the transmission resources used by the terminal can be configured. There is a large extension outside the resident layer.
  • At least one embodiment of the present disclosure provides a cell operation method, which is applied to a terminal side, and includes:
  • Step 21 Receive the same synchronization signal that is sent by the multiple first network nodes in the first frequency band resource of the first cell to which the multiple first network nodes belong, and obtain multiple and the same according to the same synchronization signal.
  • the downlink timing synchronization of a network node in short, for the terminal in the idle state, the terminal is powered on, the cell initial search and the synchronization signal acquisition are performed, and the terminal obtains the downlink synchronization timing.
  • Step 22 Receive the same first system message that is synchronously sent by each of the first network nodes, and camp on the first cell to which the multiple first network nodes belong according to the same first system message.
  • the receiving step of the first system message is specifically: the terminal obtains the time-frequency domain location of the first system message according to a pre-configuration or a standard-defined manner (for example, a broadcast mode), and reads the time-frequency domain location.
  • a system message Multiple first network nodes in at least one embodiment of the present disclosure
  • the first system message sent is also the same.
  • the same first system message includes: a full-band resource (frequency point bandwidth) of the first cell, an access parameter of the first cell, and camping and cell selection information of the first cell.
  • the terminal selects to camp on the first cell according to the camp and cell selection information in the first system message.
  • the plurality of first network nodes send the same synchronization signal, so that the terminal in the idle state does not need to distinguish the network node, which is equivalent to a large area that resides in a larger coverage area.
  • the size area refers to the first cell to which the plurality of first network nodes belong.
  • multiple network nodes send the same synchronization signal, in order to save the bandwidth overhead of the synchronization signal, multiple first network nodes are sent in a preset first frequency band resource; a network node transmitting the same synchronization signal by using the same first frequency band resource;
  • the first frequency band resource is a preset narrow broadband position in the full-band resource of the first cell, for example, a center narrow bandwidth of the full-band resource of the first cell;
  • the first frequency band resource is a plurality of preset time-frequency domain locations in the full-band resource of the first cell, for example, the first frequency band resource spans the full-band resource of the first cell, but only appears in a part of the time-frequency domain. And, for example, the first band resource spans a portion of the band resources of the first cell, but also occurs only in a portion of the time-frequency domain.
  • the resource range that can be used for data transmission is more broadly related to related technologies for the connected terminal. .
  • the cell operation method further includes:
  • Step 23 Access at least one first network node according to the same first system message; after the terminal accesses at least one first network node, the terminal enters a connected state from an idle state.
  • Step 24 Receive, by the at least one first network node that the terminal successfully accesses, a second frequency band resource configured by the terminal, and perform data transmission with the first network node by using the second frequency band resource;
  • the two-band resource is all or part of the remaining band resources obtained by removing the first band resource from the full-band resources of the first cell.
  • step 23 includes:
  • Step 231 Access at least one first network node according to an access parameter of the first cell in the first system message; the access parameter includes access code configuration information and/or access resource configuration information.
  • step 231 includes:
  • Step 2311 Determine an access code and/or an access resource of the terminal according to the access code configuration information and/or the access resource configuration information.
  • Step 2312 Send the access code to at least one first network node or send data information to at least one first network node on the access resource.
  • Step 2313 Receive, by the first network node, the identification information and the uplink transmission resource that are allocated by the first network node to the terminal, and the terminal successfully accesses the at least one first network node.
  • the step of the terminal initiating an access procedure to the network is as follows:
  • the terminal In the preparation phase, the terminal needs to obtain downlink synchronization with the network (either cell-level synchronization or network node-level synchronization), and obtain basic access parameters from the broadcast system information, such as access code configuration, access resources. Configuration, access parameters such as power configuration.
  • the terminal In the initiation phase, when the terminal needs to enter the connected state, for example, the terminal has data to be transmitted, and the terminal selects an appropriate access code and access resource according to the configuration parameter.
  • Access resources can generally come from a resident layer or from resources other than the resident layer.
  • the terminal can be used by the weaker terminal.
  • the terminal capability is also higher.
  • the terminal with higher capability can be used. Use it.
  • the access code and the access resource may be classified according to the configuration on the network side, for example, the terminal that satisfies condition A uses the access code in group A, and a group of access resources; and meets condition B.
  • the terminal uses the access code in group B, and the access resource of another group, in each group, In order to avoid collision between two terminals, the access code and access resources in the group are generally selected in a random manner.
  • the access code bound to each terminal can be designed, so the terminal can directly use its own access code to avoid collision.
  • the access resources are still competitive, and the selection of access resources is also in the above manner, that is, grouping, randomization within the group, or direct random selection.
  • the terminal may initiate the sending of the uplink access code; or,
  • the terminal may directly initiate the transmission of the small data on the uplink contention access resource, for example, directly send the radio resource control (RRC) connection establishment request message and/or the uplink transmission buffer information; specifically, the contention access resource may be It is fixedly and periodically allocated.
  • RRC radio resource control
  • the time-frequency domain location information of the contention access resource is configured, or may be dynamically scheduled.
  • the time domain information of the contention access resource is configured.
  • the identification code used for dynamic scheduling is a competitive resource identification code common to a plurality of terminals.
  • the terminal receives feedback information from the network node within a certain receiving interval, such as a receiving window:
  • the network side feeds back the terminal specific identification information and the uplink transmission resource information, and uses the terminal to transmit the subsequent uplink data.
  • the network side may feed back the terminal-specific identification information and the corresponding signaling (such as RRC connection establishment) or the uplink transmission resource authorization according to the data content.
  • the terminal uses the identification information to communicate with the network side, optionally performs contention resolution, establishes an RRC connection, and enters a connection state.
  • the cell operation method further includes:
  • Step 25 Reporting the capability information of the terminal to the first network node that is successfully accessed; that is, after the initial access is completed, and the terminal enters the connected state, the terminal reports its capability information to the first network node, including the supported receiving frequency band and the receiving frequency band. Combine information.
  • Step 26 The first network node receives the configuration signaling generated by the first network node according to the capability information and the preliminary measurement result of the terminal, and performs measurement on the other network nodes indicated by the configuration signaling according to the configuration signaling. That is, the terminal receives configuration signaling on the network side, according to the configured transmission node set. Or measure the set and measure the relevant network nodes.
  • Step 27 Report the measurement result to the first network node, so that the first network node can configure a second frequency band resource for the terminal or configure a new network node for the terminal according to the measurement result. That is, the terminal reports the measurement result. If it is the layer 3 (medium access control layer) measurement result, it is reported by RRC signaling. If it is the layer 1 (physical layer) result, it is layer 1 or layer 2 (RRC layer). Way to report. After reporting the measurement result to the first network node, receiving the reconfiguration signaling of the configuration set or the measurement set sent by the network side, starting a new set and related operations, and receiving the Layer 2 and Layer 2 information adjusted by the fast service node sent by the network side Let the transmission be performed on the new service transport node.
  • the layer 3 medium access control layer
  • RRC layer layer 1 or layer 2
  • an Inactive terminal if a small amount of data transmission is allowed, it can be restricted to the resident layer because the inactive terminal exhibits an idle state like terminal on the air interface. It is possible to perform only the listening processing of the resident layer, simplifying the complexity. For contention transmission, it can also be performed only at the specific frequency layer of the resident layer or other configuration, so the process is simple.
  • At least embodiments of the present disclosure distinguish between a first frequency band resource (resident layer) and a second frequency band resource (transmission resource) on a full-band resource of a first cell;
  • the network node needs to synchronously transmit the system message between multiple network nodes; the terminal can initiate the access process on the access resources other than the resident layer or the resident layer.
  • the one or more transmitting nodes provide the terminal with the data transmission service in the same frequency band or the different frequency band; the data transmission resource may be multiplexed in the frequency band of the entire cell, except that the system message and the synchronization have been transmitted.
  • the overhead of the common signaling is reduced, the system efficiency is improved, and a good user experience is ensured.
  • At least one embodiment of the present disclosure is consistent with the core idea of the above-described embodiments, and a repetitive description thereof will not be repeated here.
  • a cell operation method which is applied to a network side, and includes:
  • Step 31 The plurality of first network nodes send the same synchronization signal in the first frequency band resource of the first cell to which the plurality of first network nodes belong, so that the terminal can be connected to the multiple first network nodes according to the same synchronization signal. Obtaining downlink timing synchronization;
  • Step 32 The plurality of first network nodes synchronously send the same first system message, so that the The terminal can camp on the first cell to which the plurality of first network nodes belong according to the first system message.
  • the same first system message includes: a full-band resource of the first cell, an access parameter of the first cell, and camping and cell selection information of the first cell.
  • multiple network nodes send the same synchronization signal, in order to save the bandwidth overhead of the synchronization signal, multiple first network nodes are sent in a preset first frequency band resource; a network node transmitting the same synchronization signal by using the same first frequency band resource;
  • the first frequency band resource is a preset narrow broadband position in the full-band resource of the first cell, for example, a center narrow bandwidth of the full-band resource of the first cell;
  • the first frequency band resource is a plurality of preset time-frequency domain locations in the full-band resource of the first cell, for example, the first frequency band resource spans the full-band resource of the first cell, but only appears in a part of the time-frequency domain. And, for example, the first band resource spans a portion of the band resources of the first cell, but also occurs only in a portion of the time-frequency domain.
  • the resource range that can be used for data transmission is more broadly related to related technologies for the connected terminal. .
  • At least one embodiment of the present disclosure is illustrated by a network side of a centralized architecture.
  • the network nodes in the centralized architecture are divided into a transit node and a centralized node, and the centralized node is located at the control layer of the network side. Control multiple transport nodes.
  • the following operations are required:
  • the network side needs to first plan which transport nodes can belong to the same cell, the bandwidth and center frequency of the cell, and the common signaling (such as synchronization signals and system messages) on which resources are transmitted, and plan the centralized nodes of the cell, and
  • the node is pre-configured or software downloaded to inform the transit node.
  • the working frequency range of the cell is relatively wide, for example, the bandwidth is between 100 MHz and 2 GHz, but the broadcast system message may not be transmitted in the full bandwidth, and may be sent in a part of the frequency range, for example, at the center of 20 MHz, or The transmission is performed on several small frequency bands. Of course, the broadcast can also be sent across the bandwidth of the entire cell. How to proceed depends on the network deployment plan.
  • the transit node After the transit node is powered on, it contacts its centralized node area and establishes a related connection; the transmitting node can report its capabilities and/or measurement results to the centralized node, so that the centralized node can be better configured; the capabilities of the transmitting node include transmission.
  • the radio frequency capability of the node for example, which bandwidth is supported, the receiver condition, etc., may also include processing capability; the measurement result may be a measurement result of the transmission node's operating frequency and interference to the surrounding transmission node.
  • the centralized node sends the configuration of the transit node.
  • the configuration may be generated by the centralized node according to the OAM (Operation and Maintenance Management) planning scope and its own algorithm, or may be forwarded by the centralized node after the OAM is directly configured; the configuration may include the transmission.
  • OAM Operaation and Maintenance Management
  • the central node needs to inform the transmission of the content of the power saving transmission and the manner of synchronous transmission, so that the transmitting node can synchronously transmit the information together with other transmitting nodes; if the transmission The node does not participate in the transmission of the system message/synchronization signal, and the transmitting node waits for the terminal to access.
  • a mobility process such as cell selection and reselection may be performed based on signal measurement results of the resident layer.
  • the transmission of paging information can also be performed only at the resident layer, which simplifies the processing complexity of the terminal.
  • the cell operation method further includes:
  • Step 33 Receive an access code sent by the terminal or data information sent on an access resource of the terminal.
  • Step 34 Assign the identification information and the uplink transmission resource to the terminal according to the access code or the data information, and determine that the terminal successfully accesses the first network node.
  • the network side needs to send the configuration required for terminal access to the terminal in a broadcast manner; the transmission node receives the access code or data information sent by the terminal on the uplink contention resource, according to different In case of reply:
  • the terminal may be configured to allocate specific identification information to the terminal, and respond to the signaling, for example, generate RRC connection establishment signaling, and send the RRC connection setup signaling to the terminal.
  • the terminal may be allocated specific identification information, and the uplink resource may be allocated according to the cache size and sent to the terminal.
  • the subsequent network side performs the contention resolution on the terminal as needed. That is, the identity of the successfully accessed terminal needs to be sent back. The successful terminal continues the subsequent process, and the failed terminal initiates the access process again.
  • Step 35 Configuring a second frequency band resource for the successfully accessed terminal, and performing data transmission with the terminal by using the second frequency band resource, where the second frequency band resource is the full frequency band resource of the first cell All or part of the band resources in the remaining band resources obtained by the first band resource are removed.
  • the network side needs to configure the terminal with the optimal transmission resource, that is, the second frequency band resource.
  • the second band resource is provided by different first network nodes on the same or different frequency bands. It should be noted that the foregoing remaining frequency band resources are reusable transmission resources, that is, the same frequency band resources may be multiplexed by different terminals, where interference between different terminals needs to be avoided.
  • step 35 includes:
  • Step 351 Perform preliminary measurement on the successfully accessed terminal, and obtain capability information of the successfully accessed terminal.
  • Step 352 Generate configuration signaling for the terminal according to the preliminary measurement result and the capability information, and send the configuration signaling to the terminal, where the configuration signaling is used to instruct the terminal to perform measurement on other network nodes.
  • Step 353 Acquire a measurement result of the terminal, and configure a second frequency band resource for the terminal or configure a new network node for the terminal according to the measurement result.
  • the terminal initiates an access process to the network, and from the network side, the approximate steps are as follows:
  • the network side can initially determine which transmission sections the terminal is in according to the measurement when the terminal is initially accessed. The vicinity of the point, thereby configuring the reference signal information of the transmission nodes to the terminal, so that the terminal performs measurement on the adjacent transmission node, wherein the measurement configuration may include measurement of the specific transmission node, and measurement of the reference signal on the specific frequency band;
  • the network side may also confirm the configuration set of the terminal according to the initial measurement result, that is, the transmission node that satisfies a certain signal reception threshold or expand a certain amount of surrounding nodes according to the algorithm, and configure it to the terminal as the most basic terminal.
  • the configuration set at least in the configuration set, should contain how the terminal listens for scheduling signaling.
  • Each transmission node can operate within a different frequency band or can operate within the same frequency band.
  • scheduling of dedicated transmissions of the respective transmission nodes can also be performed on resources that do not transmit common information.
  • the measurement result of the terminal is collected; in addition, the measurement of the terminal configuration may include the measurement of the layer 3 or the layer 1 measurement, and the measurement result of the layer 3 is the average of the measurement results within a certain period of time to determine a certain transmission.
  • the layer 3 measurement result is generally sent by means of RRC signaling; and the layer 1 measurement result is generally monitoring the dynamic link quality, layer 1 Or layer 2 transmission for real-time transmission of parameters and transmission node selection.
  • the network side can accurately adjust/reconfigure the configuration set/measurement set of the terminal and the service node; for example, when a certain transmission node gradually moves away from the terminal according to the movement of the terminal, the signal quality is gradually weakened.
  • the terminal moves toward the new transmission node, and the new transmission node may be added to the configuration set or the measurement set of the terminal; Moreover, when adding, it is necessary to consider the frequency point receiving capability of the terminal, and it is necessary to add a transmission node whose working frequency band is within the receiving capability range of the terminal, or adjust the working frequency band of the transmitting node according to the receiving range of the terminal.
  • the optimal transmission node is generally selected in the configuration set of the terminal, and is quickly sent to the terminal by layer 2 signaling.
  • At least one embodiment of the present disclosure is a cell-side cell operation method corresponding to the cell operation method of the terminal in the foregoing embodiment, where the first band resource (resident layer) is distinguished on the full-band resource of the first cell.
  • a second frequency band resource transmission resource
  • the network node needs to synchronize the system message between multiple network nodes and simultaneously transmit;
  • the terminal may On the access resources other than the resident layer or the resident layer, Initiating an access process; after the terminal enters the connected state, the one or more transmitting nodes provide the data transmission service in the same frequency band or the different frequency band for the terminal; the data transmission resource may be multiplexed in the frequency band of the entire cell, except that the terminal has transmitted
  • the resident layer resources of system messages and synchronization signals the overhead of common signaling is reduced, system efficiency is improved, and a good user experience is guaranteed.
  • the core idea of at least one embodiment of the present disclosure is as follows: for an idle state terminal, different synchronization signals sent by different network nodes are received, but the received system messages sent by different network nodes are the same, and the terminal can be different according to different The same system message sent by the network node determines which network nodes belong to the same cell, and then camps on the cell according to the cell selection principle. The subsequent access and transmission process is the same as the above related embodiment, and the description is not repeated again.
  • At least one embodiment of the present disclosure provides a cell operation method, which is applied to a terminal side, and includes:
  • Step 41 Receive different synchronization signals sent by the multiple second network nodes in the third frequency band resource of the second cell to which the multiple second network nodes belong, and obtain respectively and at least one second according to different synchronization signals. Downlink timing synchronization of network nodes.
  • the terminal is powered on, the cell initial search and the synchronization signal acquisition are performed, and the terminal and the at least one second network node obtain the downlink synchronization timing.
  • the plurality of second network nodes separately send different synchronization signals corresponding to each second network node by using the same or different third frequency band resources; in short, each second network node corresponds to one The three-band resources, but the third-band resources corresponding to the different second network nodes may be the same or different.
  • the third frequency band resource is the same or different multiple time-frequency domain locations in the full-band resources of the second cell.
  • the third frequency band resource spans the full frequency band resource of the second cell, but only appears in a part of the time frequency domain; for example, the third frequency band resource spans part of the frequency band resource of the second cell, but also appears only in part of the time frequency domain.
  • Step 42 Receive the same second system message sent by each of the second network nodes, and camp on the second cell to which the second network node belongs according to the same second system message; where, the terminal Whether the network node belongs to the second cell can be determined according to information of the network node.
  • the second system message includes all second network segments belonging to the second cell. Point information, wherein the terminal determines, according to the second system message and the information of the network node, whether the network node belongs to the second cell; or
  • the terminal determines, according to the preset signaling that is used to identify a mapping relationship between the preset tracking area TA and the information of the network node, the preset tracking area TA to which the network node belongs.
  • the specific network side can inform the terminal, the mapping relationship between the network node and the TA (Tracking Area) through broadcast or dedicated signaling, so that the terminal in the idle state can perform the update process of the TA area.
  • TA Tracking Area
  • multiple cells may be configured with the same TA, but one cell may belong to only one TA.
  • the second network node may send the same second system message synchronously, or may send the same second system message asynchronously, and is not specifically limited herein.
  • the determining, by the network node, whether the network node belongs to the second cell according to the information of the network node may be in accordance with a pre-agreed rule, for example, the ID of the network node whose first N digits are the same, and is considered to belong to the same second cell.
  • the downlink synchronization signal that is sent has some of the same characteristics. For example, if the location of the transmission resource is the same, or the information carried by the signal is consistent, it is considered to belong to the same second cell, and may also be broadcast to the terminal through the system message broadcast of the cell.
  • the second system message of the second cell includes information of all the second network nodes belonging to the second cell, and the terminal sets information of the currently located network node with all second network nodes belonging to the second cell. The information is compared so that it can be accurately determined whether the network node belongs to the second cell.
  • the information of all the second network nodes that belong to the second cell included in the second system message may be the identifiers of all the second network nodes that belong to the second cell, or may be all the seconds that belong to the second cell.
  • the information of all the second network nodes that belong to the second cell may be in the form of a table to save the corresponding relationship with the second cell, so that the terminal can determine whether the network nodes that are synchronized belong to the same cell.
  • each network node since each network node separately transmits a differentiated synchronization signal, it is synchronized with each different network node for the idle state terminal, and can distinguish the network node.
  • the broadcast system message is still that each network node sends the same information, that is, for the idle state terminal, although synchronization is established with different network nodes, the same system information is sent for different network nodes belonging to the same cell, and The system information will carry the cell Which network nodes, the synchronization signals or identifiers of these network nodes have information such as characteristics, so that the terminal can determine whether the network node it synchronizes belongs to a cell, thereby completing the resident operation of the cell.
  • the receiving step of the second system message is specifically: the terminal obtains the time-frequency domain location of receiving the second system message according to a pre-configuration or a standard-defined manner (for example, a broadcast mode), and the time-frequency domain is obtained.
  • the location reads the second system message.
  • the second system message sent by the plurality of second network nodes is the same in at least one embodiment of the present disclosure.
  • the second system message needs to include corresponding information between the cell and the network node, for example, a list of network nodes included in the cell, or characteristics of a synchronization signal or an identification signal of the network node under the cell, so that the terminal can Know which network nodes belong to a cell.
  • the second system message in at least one embodiment of the present disclosure further includes: a full-band resource of the second cell, an access parameter of the second cell, and a camping and cell selection information of the second cell. .
  • the terminal selects to camp on the second cell according to the camping and cell selection information and the like.
  • the cell operation method when the terminal moves and moves to another network node, the cell operation method further includes:
  • Step 43 When the terminal moves, acquiring a synchronization signal of the target network node to which the terminal currently belongs;
  • Step 44 Determine, according to the synchronization signal of the target network node and the information of all the second network nodes that belong to the second cell that are included in the second system message, whether the target network node belongs to the second cell.
  • Step 45 If the target network node belongs to the second cell, determine that the terminal resides in the second cell;
  • Step 46 If the target network node does not belong to the second cell, acquire a system message of the cell to which the target network node belongs, and initiate a process of cell selection and cell reselection, and re-resident.
  • the synchronization signal is reacquired, and according to the corresponding information of the cell and the network node obtained from the system message, it is determined whether the new network node belongs to the original cell, if it is the same
  • the cell is considered to still reside in the same cell, and can use the already received system message. If it is not a cell, it needs to re-read the system message, judge according to the principle of cell selection and cell reselection, and re-resident.
  • the cell operation method further includes:
  • Step 47 Access at least one second network node that acquires downlink timing synchronization with the terminal according to the same second system message; after the terminal accesses the at least one second network node, the terminal enters a connected state from an idle state.
  • Step 48 Receive, by the at least one second network node that the terminal successfully accesses, a fourth frequency band resource configured by the terminal, and perform data transmission with the second network node by using the fourth frequency band resource;
  • the four-band resource is all or part of the remaining band resources obtained by removing all the third band resources from the full-band resources of the second cell.
  • the network side needs to configure the terminal with the optimal transmission resource, that is, the fourth frequency band resource.
  • the fourth band resource is provided by different second network nodes on the same or different frequency bands. It should be noted that the foregoing remaining frequency band resources are reusable transmission resources, that is, the same frequency band resources may be multiplexed by different terminals, where interference between different terminals needs to be avoided.
  • step 47 includes:
  • Step 471 Access at least one second network node according to the access parameter of the second cell in the second system message; the access parameter includes access code configuration information and/or access resource configuration information.
  • step 471 includes:
  • Step 4711 Determine an access code and/or an access resource of the terminal according to the access code configuration information and/or the access resource configuration information.
  • Step 4712 Send the access code to at least one second network node or send data information to the at least one second network node on the access resource.
  • Step 4713 Receive, by the at least one second network node, the identification information and the uplink transmission resource allocated by the second network node for the terminal, and the terminal successfully accesses the at least one second network node.
  • the step of the terminal initiating an access procedure to the network is as follows:
  • the terminal In the preparation phase, the terminal needs to obtain downlink synchronization with the network (either cell-level synchronization or network node-level synchronization), and obtain basic access parameters from the broadcast system information. For example, the access code configuration, the access resource configuration, and the access transmission parameters such as power are configured.
  • the terminal In the initiation phase, when the terminal needs to enter the connected state, for example, the terminal has data to be transmitted, and the terminal selects an appropriate access code and access resource according to the configuration parameter.
  • Access resources can generally come from a resident layer or from resources other than the resident layer.
  • the terminal can be used by the weaker terminal.
  • the terminal capability is also higher.
  • the terminal with higher capability can be used. Use it.
  • the access code and the access resource may be classified according to the configuration on the network side, for example, the terminal that satisfies condition A uses the access code in group A, and a group of access resources; and meets condition B.
  • the terminal uses the access code in group B and the access resource of another group.
  • the access code and access resources in the group are generally selected in a random manner. .
  • the access code bound to each terminal can be designed, so the terminal can directly use its own access code to avoid collision.
  • the access resources are still competitive, and the selection of access resources is also in the above manner, that is, grouping, randomization within the group, or direct random selection.
  • the terminal may initiate the sending of the uplink access code; or,
  • the terminal may directly initiate the transmission of the small data on the uplink contention access resource, for example, directly send the RRC connection establishment request message and/or the uplink transmission buffer information; specifically, the contention access resource may be fixed.
  • the time-frequency domain location information of the contention access resource may be dynamically scheduled, for example, in a broadcast message, the time domain information of the contention access resource is configured, and each time The specified time, the location of the frequency domain resource is determined in a dynamic scheduling manner, and the identification code used for dynamic scheduling is a competitive resource identification code common to a plurality of terminals.
  • the terminal receives feedback information from the network node within a certain receiving interval, such as a receiving window:
  • the network side feeds back the terminal specific identification information and the uplink transmission resource information, and uses the terminal to transmit the subsequent uplink data.
  • the network side may feed back the terminal-specific identification information and the corresponding signaling (such as RRC connection establishment) or the uplink transmission resource authorization according to the data content.
  • the terminal uses the identification information to communicate with the network side, optionally performs contention resolution, establishes an RRC connection, and enters a connection state.
  • the cell operating method further includes:
  • Step 49 Report the capability information of the terminal to the second network node that is successfully accessed; that is, after the initial access is completed, the terminal reports its capability information to the second network node, including the supported receiving frequency band and the receiving frequency band, after the terminal enters the connected state. Combine information.
  • Step 410 Receive, by the second network node, according to the capability information and configuration signaling generated by the preliminary measurement result of the terminal, and perform measurement on other network nodes indicated by the configuration signaling according to the configuration signaling. That is, the terminal receives configuration signaling on the network side, and performs measurement on the relevant network node according to the configured transmission node set or measurement set.
  • Step 420 Report the measurement result to the second network node, so that the second network node can configure a fourth frequency band resource for the terminal or configure a new network node for the terminal according to the measurement result.
  • the terminal reports the measurement result. If it is the layer 3 (medium access control layer) measurement result, it is reported by RRC signaling. If it is the layer 1 (physical layer) result, it is layer 1 or layer 2 (RRC layer). Way to report. After reporting the measurement result to the second network node, receiving the reconfiguration signaling of the configuration set or the measurement set sent by the network side, starting a new set and related operations, and receiving the Layer 2 and Layer 2 information adjusted by the fast service node sent by the network side Let the transmission be performed on the new service transport node.
  • the layer 3 medium access control layer
  • RRC layer 1 or layer 2
  • an Inactive terminal if a small amount of data transmission is allowed, it can be restricted to the resident layer because the inactive terminal exhibits an idle state like terminal on the air interface. It is possible to perform only the listening processing of the resident layer, simplifying the complexity. For contention transmission, it can also be performed only at the specific frequency layer of the resident layer or other configuration, so the process is simple.
  • each network node sends a different synchronization signal
  • the system message of the network broadcast carries the correspondence between the cell and the network node; when the idle state terminal moves, the new network node and the original network If the nodes belong to different cells, the system message needs to be re-read, or the cell selection and reselection process is performed; when the idle state terminal moves, the new network node and the original network node belong to the same cell, and the system message does not need to be re-read.
  • the system message that has been received can be To continue to use; the terminal initiates an access process on the access resources; after the terminal enters the connected state, the one or more transmitting nodes provide the data transmission service in the same frequency band or the different frequency band for the terminal; the data transmission resource may be in the entire cell. Multiplexing in the frequency band, in addition to the resources that have transmitted system messages and synchronization signals, reduces the overhead of public signaling, improves system efficiency, and ensures a good user experience.
  • an embodiment of the present disclosure provides a cell operation method, which is applied to a network side, and includes:
  • Step 51 The plurality of second network nodes send different synchronization signals in the third frequency band resource corresponding to each of the second network nodes of the second cell to which the plurality of second network nodes belong, so that the terminal can be synchronized according to different
  • the signal is synchronized with the at least one second network node for downlink timing.
  • the plurality of second network nodes separately send different synchronization signals corresponding to each second network node by using the same or different third frequency band resources; in short, each second network node corresponds to one The three-band resources, but the third-band resources corresponding to the different second network nodes may be the same or different.
  • the third frequency band resource is the same or different multiple time-frequency domain locations in the full-band resources of the second cell.
  • the third frequency band resource spans the full frequency band resource of the second cell, but only appears in a part of the time frequency domain; for example, the third frequency band resource spans part of the frequency band resource of the second cell, but also appears only in part of the time frequency domain.
  • Step 52 The multiple second network nodes send the same second system message, so that the terminal can camp on the second cell to which the multiple second network nodes belong according to the second system message; Whether the network node belongs to the second cell can be determined according to information of the network node.
  • the second system message includes information about all the second network nodes that belong to the second cell, where the terminal determines, according to the information about the second system message and the network node, whether the network node is Belong to the second cell; or,
  • the terminal determines, according to the preset signaling that is used to identify a mapping relationship between the preset tracking area TA and the information of the network node, the preset tracking area TA to which the network node belongs.
  • the specific network side can inform the terminal, the network node by means of broadcast or dedicated signaling.
  • the mapping relationship between the tracking area and the TA is used to facilitate the update process of the TA area by the terminal in the idle state. It should be noted that multiple cells may be configured with the same TA, but one cell may belong to only one TA.
  • the second network node may send the same second system message synchronously, or may send the same second system message asynchronously, and is not specifically limited herein.
  • the determining, by the network node, whether the network node belongs to the second cell according to the information of the network node may be in accordance with a pre-agreed rule, for example, the ID of the network node whose first N digits are the same, and is considered to belong to the same second cell.
  • the downlink synchronization signal that is sent has some of the same characteristics. For example, if the location of the transmission resource is the same, or the information carried by the signal is consistent, it is considered to belong to the same second cell, and may also be broadcast to the terminal through the system message broadcast of the cell.
  • the second system message of the second cell includes information of all the second network nodes belonging to the second cell, and the terminal sets information of the currently located network node with all second network nodes belonging to the second cell. The information is compared so that it can be accurately determined whether the network node belongs to the second cell.
  • the information of all the second network nodes that belong to the second cell included in the second system message may be the identifiers of all the second network nodes that belong to the second cell, or may be all the seconds that belong to the second cell.
  • the information of all the second network nodes that belong to the second cell may be in the form of a table to save the corresponding relationship with the second cell, so that the terminal can determine whether the network nodes that are synchronized belong to the same cell.
  • each network node since each network node separately transmits a differentiated synchronization signal, it is synchronized with each different network node for the idle state terminal, and can distinguish the network node.
  • the broadcast system message is still that each network node sends the same information, that is, for the idle state terminal, although synchronization is established with different network nodes, the same system information is sent for different network nodes belonging to the same cell, and
  • the system information carries information about which network nodes are included in the cell, and the characteristics of the synchronization signals or identifiers of the network nodes, so that the terminal can determine whether the network node it synchronizes belongs to a cell, thereby completing the resident of the cell. operating.
  • the receiving step of the second system message is specifically: the terminal obtains the time-frequency domain of receiving the second system message according to a pre-configuration or a standard-defined manner (for example, a broadcast mode). Position, to read the second system message to the time-frequency domain location.
  • the second system message sent by the plurality of second network nodes is the same in at least one embodiment of the present disclosure. Further, the second system message needs to include corresponding information between the cell and the network node, for example, a list of network nodes included in the cell, or characteristics of a synchronization signal or an identification signal of the network node under the cell, so that the terminal can Know which network nodes belong to a cell.
  • the second system message in at least one embodiment of the present disclosure further includes: a full-band resource of the second cell, an access parameter of the second cell, and camping and cell selection information of the second cell.
  • the terminal selects to camp on the second cell according to the camping and cell selection information and the like.
  • the network side of the centralized architecture is exemplified.
  • the network nodes in the centralized architecture are divided into a transit node and a centralized node, and the centralized node is located at a control layer on the network side, and can be performed on multiple transport nodes. control.
  • the required operations are basically similar to the foregoing related embodiments.
  • it is necessary to plan which network nodes belong to one cell, and the corresponding relationship between the network node and the cell is The broadcast mode is sent to the terminal to facilitate the terminal to make a cell level selection.
  • the network side needs to first plan which transport nodes can belong to the same cell, the bandwidth and center frequency of the cell, and the common signaling (such as synchronization signals and system messages) on which resources are transmitted, and plan the centralized nodes of the cell, and
  • the node is pre-configured or software downloaded to inform the transit node.
  • the working frequency range of the cell is relatively wide, for example, the bandwidth is between 100 MHz and 2 GHz, but the broadcast system message may not be transmitted in the full bandwidth, and may be sent in a part of the frequency range, for example, at the center of 20 MHz, or The transmission is performed on several small frequency bands. Of course, the broadcast can also be sent across the bandwidth of the entire cell. How to proceed depends on the network deployment plan.
  • the transit node After the transit node is powered on, it contacts its centralized node area and establishes a related connection; the transmitting node can report its capabilities and/or measurement results to the centralized node, so that the centralized node can be better configured; the capabilities of the transmitting node include transmission.
  • the radio frequency capability of the node for example, which bandwidth is supported, the receiver condition, etc., may also include processing capability; the measurement result may be a measurement result of the transmission node's operating frequency and interference to the surrounding transmission node.
  • the centralized node sends the configuration of the transit node, which may be a centralized node according to The OAM (Operation and Maintenance Management) planning scope and its own algorithm may also be forwarded by the centralized node after the OAM is directly configured.
  • the configuration may include the working frequency and bandwidth combination of the transmitting node, the protocol stack configuration, and whether the transmitting node participates. System message/synchronous signal transmission, etc.
  • the central node needs to inform the transmission of the content of the power saving transmission and the manner of synchronous transmission, so that the transmitting node can synchronously transmit the information together with other transmitting nodes; if the transmission The node does not participate in the transmission of the system message/synchronization signal, and the transmitting node waits for the terminal to access.
  • a mobility process such as cell selection and reselection may be performed based on signal measurement results of the resident layer.
  • the transmission of paging information can also be performed only at the resident layer, which simplifies the processing complexity of the terminal.
  • the cell operation method further includes:
  • Step 53 Receive an access code sent by the terminal or data information sent on an access resource of the terminal.
  • Step 54 Assign the identification information and the uplink transmission resource to the terminal according to the access code or the data information, and determine that the terminal successfully accesses the second network node. Specifically, from the perspective of the network side, the network side needs to send the configuration required for terminal access to the terminal in a broadcast manner; the transmission node receives the access code or data information sent by the terminal on the uplink contention resource, according to different In case of reply:
  • the terminal may be configured to allocate specific identification information to the terminal, and respond to the signaling, for example, generate RRC connection establishment signaling, and send the RRC connection setup signaling to the terminal.
  • the terminal may be allocated specific identification information, and the uplink resource may be allocated according to the cache size and sent to the terminal.
  • the subsequent network side performs the contention resolution on the terminal as needed, that is, the identity of the successfully accessed terminal needs to be sent back, and the successful terminal continues the subsequent process, and the failed terminal sends the terminal again. Start the access process.
  • Step 55 Configure a fourth frequency band resource for the successfully accessed terminal, and perform data transmission with the terminal by using the fourth frequency band resource, where the fourth frequency band resource is the full frequency band resource of the second cell. All or part of the band resources of the remaining band resources obtained by all the third band resources are removed.
  • the network side needs to configure the terminal with the optimal transmission resource, that is, the fourth frequency band resource.
  • the fourth band resource is provided by different second network nodes on the same or different frequency bands. It should be noted that the foregoing remaining frequency band resources are reusable transmission resources, that is, the same frequency band resources may be multiplexed by different terminals, where interference between different terminals needs to be avoided.
  • step 55 includes:
  • Step 551 Perform preliminary measurement on the successfully accessed terminal, and obtain capability information of the successfully accessed terminal.
  • Step 552 Generate configuration signaling for the terminal according to the preliminary measurement result and the capability information, and send the configuration signaling to the terminal, where the configuration signaling is used to instruct the terminal to perform measurement on other network nodes.
  • Step 553 Acquire a measurement result of the terminal, and configure a fourth frequency band resource for the terminal or configure a new network node for the terminal according to the measurement result.
  • the terminal initiates an access process to the network, and from the network side, the approximate steps are as follows:
  • the network side may initially determine which transmission nodes are in the vicinity of the terminal according to the measurement of the initial access of the terminal, so as to configure the reference signal information of the transmission nodes to the terminal, so that the terminal can measure the adjacent transmission node, where the measurement configuration may include Measurement of a specific transmission node, and measurement of a reference signal on a specific frequency band; in addition, the network side may also confirm the configuration set of the terminal according to the initial measurement result, that is, the transmission node that satisfies a certain signal reception threshold or according to an algorithm requirement A certain amount of surrounding nodes are extended and configured to the terminal as the most basic configuration set of the terminal.
  • the minimum of the configuration set should include how the terminal monitors the scheduling signaling.
  • Each transmission node can operate within a different frequency band or can operate within the same frequency band.
  • scheduling of dedicated transmissions of the respective transmission nodes can also be performed on resources that do not transmit common information.
  • the measurement result of the terminal is collected; in addition, the measurement of the terminal configuration may include the measurement of the layer 3 or the layer 1 measurement, and the measurement result of the layer 3 is the average of the measurement results within a certain period of time to determine a certain transmission.
  • the layer 3 measurement result is generally sent by means of RRC signaling; and the layer 1 measurement result is generally monitoring the dynamic link quality, layer 1 Or layer 2 transmission for real-time transmission of parameters and transmission node selection.
  • the network side can accurately adjust/reconfigure the configuration set/measurement set of the terminal and the service node; for example, when a certain transmission node gradually moves away from the terminal according to the movement of the terminal, the signal quality is gradually weakened.
  • the terminal moves toward the new transmission node, and the new transmission node may be added to the configuration set or the measurement set of the terminal; Moreover, when adding, it is necessary to consider the frequency point receiving capability of the terminal, and it is necessary to add a transmission node whose working frequency band is within the receiving capability range of the terminal, or adjust the working frequency band of the transmitting node according to the receiving range of the terminal.
  • the optimal transmission node is generally selected in the configuration set of the terminal, and is quickly sent to the terminal by layer 2 signaling.
  • each network node sends a different synchronization signal
  • the system message of the network broadcast carries the correspondence between the cell and the network node; when the idle state terminal moves, the new network node and the original network If the nodes belong to different cells, the system message needs to be re-read, or the cell selection and reselection process is performed; when the idle state terminal moves, the new network node and the original network node belong to the same cell, and the system message does not need to be re-read.
  • the received system message can continue to be used; the terminal initiates an access procedure on the access resource; after the terminal enters the connected state, the one or more transmitting nodes provide the terminal with the data transmission service in the same frequency band or the different frequency band;
  • the transmission resources can be multiplexed in the frequency band of the entire cell. In addition to the resources of the system message and the synchronization signal, the overhead of the common signaling is reduced, the system efficiency is improved, and a good user experience is ensured.
  • At least one embodiment of the present disclosure further provides a cell operating device, an application.
  • a cell operating device an application.
  • On the terminal side including:
  • the first receiving module 61 is configured to receive, by the multiple first network nodes, the same synchronization signal that is sent in the first frequency band resource of the first cell to which the multiple first network nodes belong, and according to the same synchronization signal Acquiring downlink timing synchronization with multiple first network nodes;
  • the second receiving module 62 is configured to receive the same first system message that is sent by each of the first network nodes, and perform, according to the same first system message, the first cell to which the multiple first network nodes belong. Resident.
  • the cell operating device in the at least one embodiment of the present disclosure further includes:
  • a first access module configured to access at least one first network node according to the same first system message
  • a first transmission module configured to receive, by the at least one first network node that the terminal successfully accesses, a second frequency band resource configured by the terminal, and perform data transmission with the first network node by using the second frequency band resource;
  • the second frequency band resource is all or part of the remaining frequency band resources obtained by removing the first frequency band resource in the full-band resource of the first cell.
  • the multiple first network nodes send the same synchronization signal by using the same first frequency band resource
  • the first frequency band resource is a preset narrow broadband position in a full-band resource of the first cell.
  • the first frequency band resource is a plurality of preset time-frequency domain locations in the full-band resource of the first cell.
  • the same first system message in the at least one embodiment of the present disclosure includes: a full-band resource of the first cell, an access parameter of the first cell, and camping and cell selection information of the first cell.
  • the first access module in the at least one embodiment of the present disclosure includes:
  • a first access submodule configured to access at least one first network node according to an access parameter of the first cell in the first system message;
  • the access parameter includes access code configuration information and/or access Resource configuration information.
  • the first access submodule in the at least one embodiment of the present disclosure includes:
  • a first determining unit configured to determine an access code and/or an access resource of the terminal according to the access code configuration information and/or the access resource configuration information
  • a first sending unit configured to send the access code to at least one first network node or send data information to the at least one first network node on the access resource;
  • the first receiving unit is configured to receive the identification information and the uplink transmission resource that are allocated by the first network node that is returned by the first network node to the terminal, and the terminal successfully accesses the at least one first network node.
  • the cell operating device in the at least one embodiment of the present disclosure further includes:
  • a first reporting module configured to report capability information of the terminal to the first network node that is successfully accessed
  • a first signaling receiving module configured to receive configuration signaling generated by the first network node according to the capability information and a preliminary measurement result of the terminal, and indicate, according to the configuration signaling, the configuration signaling Other network nodes perform measurements;
  • a second reporting module configured to report the measurement result to the first network node, so that the first network node can configure a second frequency band resource for the terminal or configure a new network for the terminal according to the measurement result node.
  • At least one embodiment of the present disclosure distinguishes between a first frequency band resource (resident layer) and a second frequency band resource (transmission resource) on a full-band resource of a first cell; On the layer, the system message and the synchronization signal are obtained; the network node needs to synchronize and transmit the system message between the multiple network nodes; the terminal can initiate the access on the access resource other than the resident layer or the resident layer.
  • the one or more transmitting nodes After the terminal enters the connected state, the one or more transmitting nodes provide the terminal with the data transmission service in the same frequency band or the different frequency band; the data transmission resource can be multiplexed in the frequency band of the entire cell, except that the system message has been transmitted and In addition to the resident layer resources of the synchronization signal, the overhead of the common signaling is reduced, the system efficiency is improved, and a good user experience is ensured.
  • the cell operating device on the terminal side provided by at least one embodiment of the present disclosure is a cell operating device corresponding to the cell operating method on the terminal side provided by the related embodiment, and the cell operating method on the terminal side is used. All of the embodiments are applicable to the cell operating device and all achieve the same or similar benefits.
  • At least one embodiment of the present disclosure further provides a cell processing apparatus, which is used for a terminal side, and includes: a processor 700; a memory 720 connected to the processor 700 via a bus interface, and a transceiver 710 connected to the processor 700 via a bus interface; the memory is configured to store programs and data used by the processor when performing operations Sending data information or pilot through the transceiver 710, and receiving the downlink control channel through the transceiver 710; when the processor calls and executes the program and data stored in the memory, the following functional modules are implemented:
  • a first receiving module configured to receive, by the multiple first network nodes, the same synchronization signal that is sent in a first frequency band resource of the first cell to which the multiple first network nodes belong, and obtain the same synchronization signal according to the same synchronization signal Synchronizing with downlink timing of multiple first network nodes;
  • a second receiving module configured to receive the same first system message that is sent by each of the first network nodes, and to camp on the first cell to which the multiple first network nodes belong according to the same first system message stay.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 700 and various circuits of memory represented by memory 720.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 710 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface 730 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 700 is responsible for managing the bus architecture and general processing, and the memory 720 can store data used by the processor 700 in performing operations.
  • the cell operating device on the terminal side provided by at least one embodiment of the present disclosure is a cell operating device corresponding to the cell operating method on the terminal side provided by the related embodiment, and the cell operating method on the terminal side is used. All of the embodiments are applicable to the cell operating device and all achieve the same or similar benefits.
  • At least one embodiment of the present disclosure provides a cell operating device, which is applied to a network side, and includes:
  • the first sending module 81 is configured to send, by the multiple first network nodes, the same synchronization signal in the first frequency band resource of the first cell to which the multiple first network nodes belong, so that the terminal can be the same according to the same
  • the synchronization signal acquires downlink timing synchronization with the plurality of first network nodes
  • a second sending module 82 configured to send, by the plurality of first network nodes, the same first system message, so that the terminal is capable of, according to the first system message, the first cell to which the multiple first network nodes belong Resident.
  • the cell operating device in the at least one embodiment of the present disclosure further includes:
  • a first information receiving module configured to receive an access code sent by the terminal or data information sent on an access resource of the terminal
  • a first allocation module configured to allocate identification information and an uplink transmission resource to the terminal according to the access code or the data information, to determine that the terminal successfully accesses the first network node;
  • a first configuration module configured to configure a second frequency band resource for the successfully accessed terminal, and perform data transmission with the terminal by using the second frequency band resource
  • the second frequency band resource is all or part of the remaining frequency band resources obtained by removing the first frequency band resource in the full-band resource of the first cell.
  • the multiple first network nodes send the same synchronization signal by using the same first frequency band resource
  • the first frequency band resource is a narrow broadband position in the full-band resource of the first cell.
  • the first frequency band resource is a plurality of preset time-frequency domain locations in the full-band resource of the first cell.
  • the same first system message in the at least one embodiment of the present disclosure includes: a full-band resource of the first cell, an access parameter of the first cell, and camping and cell selection information of the first cell.
  • the first configuration module in at least one embodiment of the present disclosure includes:
  • the first information acquiring unit is configured to perform preliminary measurement on the successfully accessed terminal, and obtain capability information of the successfully accessed terminal;
  • a first configuration unit configured to generate configuration signaling to the terminal according to the preliminary measurement result and the capability information, and send the configuration signaling to the terminal, where the configuration signaling is used to indicate that the terminal performs measurement on other network nodes;
  • a second configuration unit configured to acquire a measurement result of the terminal, and according to the measurement result, The terminal configures the second band resource or configures a new network node for the terminal.
  • At least one embodiment of the present disclosure distinguishes between a first frequency band resource (resident layer) and a second frequency band resource (transmission resource) on a full-band resource of a first cell; On the layer, the system message and the synchronization signal are obtained; the network node needs to synchronize and transmit the system message between the multiple network nodes; the terminal can initiate the access on the access resource other than the resident layer or the resident layer.
  • the one or more transmitting nodes After the terminal enters the connected state, the one or more transmitting nodes provide the terminal with the data transmission service in the same frequency band or the different frequency band; the data transmission resource can be multiplexed in the frequency band of the entire cell, except that the system message has been transmitted and In addition to the resident layer resources of the synchronization signal, the overhead of the common signaling is reduced, the system efficiency is improved, and a good user experience is ensured.
  • the network operation device of the network side provided by at least one embodiment of the present disclosure is a cell operation device corresponding to the cell operation method of the network side provided by the related embodiment, and the cell operation method of the network side is All of the embodiments are applicable to the cell operating device and all achieve the same or similar benefits.
  • At least one embodiment of the present disclosure further provides a zone operating device, which is applied to the network side, and includes: a processor 900; and the processor 900 through a bus interface.
  • a first sending module configured to send, by the multiple first network nodes, the same synchronization signal in a first frequency band resource of the first cell to which the multiple first network nodes belong, so that the terminal can be multiple according to the same synchronization signal
  • the first network node obtains downlink timing synchronization
  • a second sending module configured to send, by the plurality of first network nodes, the same first system message, so that the terminal can perform, according to the first system message, the first cell to which the multiple first network nodes belong Resident.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 900 and various circuits of memory represented by memory 920.
  • the bus architecture can also be used such as peripherals, voltage regulators, and power management circuits. Various other circuits are linked together, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 910 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 900 is responsible for managing the bus architecture and general processing, and the memory 920 can store data used by the processor 900 in performing operations.
  • the processor 900 is responsible for managing the bus architecture and general processing, and the memory 920 can store data used by the processor 900 in performing operations.
  • the network operation device of the network side provided by at least one embodiment of the present disclosure is a cell operation device corresponding to the cell operation method of the network side provided by the related embodiment, and the cell operation method of the network side is All of the embodiments are applicable to the cell operating device and all achieve the same or similar benefits.
  • At least one embodiment of the present disclosure provides a cell operating device, which is applied to a terminal side, and includes:
  • the third receiving module 101 is configured to receive different synchronization signals that are sent by the multiple second network nodes in the third frequency band resource of the second cell to which the multiple second network nodes belong, and obtain respectively according to different synchronization signals. Synchronizing with downlink timing of at least one second network node;
  • the fourth receiving module 102 is configured to receive the same second system message sent by each of the second network nodes, and station the second cell to which the multiple second network nodes belong according to the same second system message. And wherein the terminal is capable of determining, according to information of the network node, whether the network node belongs to the second cell.
  • the second system message includes information about all the second network nodes that belong to the second cell, where the terminal determines, according to the information about the second system message and the network node, whether the network node is Belong to the second cell; or,
  • the terminal determines, according to the preset signaling that is used to identify a mapping relationship between the preset tracking area TA and the information of the network node, the preset tracking area TA to which the network node belongs.
  • the specific network side can inform the terminal, the mapping relationship between the network node and the TA (Tracking Area) through broadcast or dedicated signaling, so that the terminal in the idle state can perform the update process of the TA area.
  • TA Tracking Area
  • multiple cells may be configured with the same TA, but one cell may belong to only one TA.
  • the second system message includes information of all second network nodes belonging to the second cell.
  • the cell operating device in the at least one embodiment of the present disclosure further includes:
  • a second access module configured to access, according to the same second system message, at least one second network node that acquires downlink timing synchronization with the terminal;
  • a second transmission module configured to receive, by the at least one second network node that the terminal successfully accesses, a fourth frequency band resource configured by the terminal, and perform data transmission with the second network node by using the fourth frequency band resource;
  • the fourth frequency band resource is all or part of the remaining frequency band resources obtained by removing all the third frequency band resources in the full-band resource of the second cell.
  • the multiple second network nodes respectively send different synchronization signals corresponding to each second network node by using the same or different third frequency band resources;
  • the third frequency band resource is the same or different multiple time-frequency domain locations in the full-band resources of the second cell.
  • the second system message in the at least one embodiment of the present disclosure further includes: a full-band resource of the second cell, an access parameter of the second cell, and a camping and cell selection information of the second cell.
  • the second access module in the at least one embodiment of the present disclosure includes:
  • a second access submodule configured to access at least one second network node according to an access parameter of the second cell in the second system message;
  • the access parameter includes access code configuration information and/or access Resource configuration information.
  • the cell operating device in the at least one embodiment of the present disclosure further includes:
  • a mobile module configured to acquire a synchronization signal of a target network node to which the terminal currently belongs when the terminal moves;
  • a cell determining module configured to determine, according to a synchronization signal of the target network node and information of all second network nodes that belong to the second cell included in the second system message, whether the target network node belongs to the second Community
  • a first determining module configured to determine that the terminal resides in the second cell if the target network node belongs to the second cell
  • the second determining module is configured to: if the target network node does not belong to the second cell, acquire a system message of the cell to which the target network node belongs, and initiate a process of cell selection and cell reselection, and re-resident.
  • the second access submodule in the at least one embodiment of the present disclosure includes:
  • a second determining unit configured to determine an access code and/or an access resource of the terminal according to the access code configuration information and/or the access resource configuration information
  • a second sending unit configured to send the access code to the at least one second network node or send the data information to the at least one second network node on the access resource
  • a second receiving unit configured to receive, by the at least one second network node, the identification information that is allocated by the second network node for the terminal, and the uplink transmission resource, where the terminal successfully accesses the at least one second network node.
  • the cell operating device in the at least one embodiment of the present disclosure further includes:
  • a third reporting module configured to report capability information of the terminal to the second network node that is successfully accessed
  • a second signaling receiving module configured to receive, by the second network node, configuration signaling generated according to the capability information and a preliminary measurement result of the terminal, and indicating the configuration signaling according to the configuration signaling
  • Other network nodes perform measurements
  • a fourth reporting module configured to report the measurement result to the second network node, so that the second network node can configure a fourth frequency band resource for the terminal or configure a new network for the terminal according to the measurement result node.
  • each network node sends a different synchronization signal
  • the system message of the network broadcast carries the correspondence between the cell and the network node; when the idle state terminal moves, the new network node and the original network If the nodes belong to different cells, the system message needs to be re-read, or the cell selection and reselection process is performed; when the idle state terminal moves, the new network node and the original network node belong to the same cell, and the system message does not need to be re-read.
  • the received system message can continue to be used; the terminal initiates an access procedure on the access resource; after the terminal enters the connected state, the one or more transmitting nodes provide the terminal with the data transmission service in the same frequency band or the different frequency band;
  • the transmission resources can be multiplexed in the frequency band of the entire cell. In addition to the resources of the system message and the synchronization signal, the overhead of the common signaling is reduced, the system efficiency is improved, and a good user experience is ensured.
  • the cell operating device on the terminal side provided by at least one embodiment of the present disclosure is a cell operating device corresponding to the cell operating method on the terminal side provided by the related embodiment, and the cell operating method on the terminal side is used. All of the embodiments are applicable to the cell operating device and all achieve the same or similar benefits.
  • the channel transmission apparatus includes: a processor 700; a memory 720 coupled to the processor 700, and a transceiver 710 coupled to the processor 700 via a bus interface; the memory for storing programs and data used by the processor in performing operations; through the transceiver
  • the 710 sends the data information or the pilot, and also receives the downlink control channel through the transceiver 710.
  • a third receiving module configured to receive different synchronization signals sent by the multiple second network nodes in the third frequency band resource of the second cell to which the multiple second network nodes belong, and respectively obtain and synchronize according to different synchronization signals Downlink timing synchronization of at least one second network node;
  • a fourth receiving module configured to receive the same second system message sent by each of the second network nodes, and to camp on the second cell to which the multiple second network nodes belong according to the same second system message Wherein the terminal is able to determine whether the network node belongs to the second cell according to information of the network node.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 700 and various circuits of memory represented by memory 720.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 710 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface 730 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 700 is responsible for managing the bus architecture and general processing, and the memory 720 can store data used by the processor 700 in performing operations.
  • the cell operating device on the terminal side provided by at least one embodiment of the present disclosure is provided.
  • the cell operating device corresponding to the cell operating method on the terminal side provided by the foregoing related embodiments, all the embodiments of the cell operating method on the terminal side are applicable to the cell operating device, and both can achieve the same or similar benefits. effect.
  • At least one embodiment of the present disclosure provides a cell operating device, which is applied to a network side, and includes:
  • the third sending module 111 is configured to send, by the multiple second network nodes, different synchronization signals in the third frequency band resource corresponding to each second network node of the second cell to which the multiple second network nodes belong, so that the terminal The downlink timing synchronization can be obtained with the at least one second network node according to different synchronization signals;
  • the fourth sending module 112 is configured to send, by the multiple second network nodes, the same second system message, so that the terminal can station the second cell to which the multiple second network nodes belong according to the second system message. And wherein the terminal is capable of determining, according to information of the network node, whether the network node belongs to the second cell.
  • the second system message includes information about all the second network nodes that belong to the second cell, where the terminal determines, according to the information about the second system message and the network node, whether the network node is Belong to the second cell; or,
  • the terminal determines, according to the preset signaling that is used to identify a mapping relationship between the preset tracking area TA and the information of the network node, the preset tracking area TA to which the network node belongs.
  • the specific network side can inform the terminal, the mapping relationship between the network node and the TA (Tracking Area) through broadcast or dedicated signaling, so that the terminal in the idle state can perform the update process of the TA area.
  • TA Tracking Area
  • multiple cells may be configured with the same TA, but one cell may belong to only one TA.
  • the cell operating device in the at least one embodiment of the present disclosure further includes:
  • a second information receiving module configured to receive an access code sent by the terminal or data information sent on an access resource of the terminal
  • a second allocation module configured to allocate identification information and uplink transmission resources to the terminal according to the access code or the data information, to determine that the terminal successfully accesses the second network node;
  • a second configuration module configured to configure a fourth frequency band resource for the successfully accessed terminal, and perform data transmission with the terminal by using the fourth frequency band resource
  • the fourth frequency band resource is all or part of the remaining frequency band resources obtained by removing all the third frequency band resources in the full-band resource of the second cell.
  • the multiple second network nodes respectively send different synchronization signals corresponding to each second network node by using the same or different third frequency band resources;
  • the third frequency band resource is a different plurality of time-frequency domain locations in the full-band resources of the second cell.
  • the second system message in the at least one embodiment of the present disclosure further includes: a full-band resource of the second cell, an access parameter of the second cell, and a camping and cell selection information of the second cell.
  • the second configuration module in at least one embodiment of the present disclosure includes:
  • a second information acquiring unit configured to perform preliminary measurement on the successfully accessed terminal, and obtain capability information of the successfully accessed terminal
  • a third configuration unit configured to generate configuration signaling to the terminal according to the preliminary measurement result and the capability information, and send the configuration signaling to the terminal, where the configuration signaling is used to instruct the terminal to perform measurement on other network nodes;
  • a fourth configuration unit configured to acquire a measurement result of the terminal, and configure a fourth frequency band resource for the terminal or configure a new network node for the terminal according to the measurement result.
  • each network node sends a different synchronization signal
  • the system message of the network broadcast carries the correspondence between the cell and the network node; when the idle state terminal moves, the new network node and the original network If the nodes belong to different cells, the system message needs to be re-read, or the cell selection and reselection process is performed; when the idle state terminal moves, the new network node and the original network node belong to the same cell, and the system message does not need to be re-read.
  • the received system message can continue to be used; the terminal initiates an access procedure on the access resource; after the terminal enters the connected state, the one or more transmitting nodes provide the terminal with the data transmission service in the same frequency band or the different frequency band;
  • the transmission resources can be multiplexed in the frequency band of the entire cell. In addition to the resources of the system message and the synchronization signal, the overhead of the common signaling is reduced, the system efficiency is improved, and a good user experience is ensured.
  • the cell operating device on the network side provided by at least one embodiment of the present disclosure is a cell operating device corresponding to the cell operating method on the network side provided by the foregoing related embodiment, Then all the embodiments of the cell operation method on the network side are applicable to the cell operating device, and both can achieve the same or similar beneficial effects.
  • At least one embodiment of the present disclosure further provides a zone operating device, which is applied to the network side, and includes: a processor 900; and the processor 900 through a bus interface.
  • the third sending module 111 is configured to send, by the multiple second network nodes, different synchronization signals in the third frequency band resource corresponding to each second network node of the second cell to which the multiple second network nodes belong, so that the terminal The downlink timing synchronization can be obtained with the at least one second network node according to different synchronization signals;
  • the fourth sending module 112 is configured to send, by the multiple second network nodes, the same second system message, so that the terminal can station the second cell to which the multiple second network nodes belong according to the second system message. And wherein the terminal is capable of determining, according to information of the network node, whether the network node belongs to the second cell.
  • the second system message includes information about all the second network nodes that belong to the second cell, where the terminal determines, according to the information about the second system message and the network node, whether the network node is It belongs to the second cell.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 900 and various circuits of memory represented by memory 920.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 910 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 900 is responsible for managing the bus architecture and general processing, and the memory 920 can store data used by the processor 900 in performing operations.
  • the processor 900 is responsible for managing the bus architecture and the usual processing, and the memory 920 can store the processing.
  • the network operation device of the network side provided by at least one embodiment of the present disclosure is a cell operation device corresponding to the cell operation method of the network side provided by the related embodiment, and the cell operation method of the network side is All of the embodiments are applicable to the cell operating device and all achieve the same or similar benefits.
  • Various example embodiments of the present disclosure can be implemented in hardware or special purpose circuits, software, logic, or any combination thereof. Some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which can be executed by a controller, microprocessor or other computing device.
  • firmware or software which can be executed by a controller, microprocessor or other computing device.
  • embodiments of the present disclosure may be described in the context of computer readable instructions, such as included in a program module executed in a device on a real or virtual processor of a target.
  • program modules include routines, programs, libraries, objects, classes, components, data structures, and the like that perform particular tasks or implement particular abstract data structures.
  • the functionality of the program modules may be combined or divided between the described program modules.
  • Computer readable instructions for a program module can be executed within a local or distributed device. In distributed devices, program modules can be located in both local and remote storage media.
  • the modules involved in the embodiments of the present disclosure may be implemented by software, or may be implemented by hardware, or may be implemented by combining software and hardware.
  • the described modules may also be provided in a processor, for example, as described above: a processor includes a first receiving module and a second receiving module. The names of these modules do not constitute a limitation on the module itself under certain circumstances.
  • the present disclosure further provides a non-volatile computer storage medium, which may be a non-volatile computer storage medium included in the foregoing apparatus in the foregoing embodiment; It is a non-volatile computer storage medium that exists alone and is not assembled into the terminal.
  • the non-volatile computer storage medium stores one or more programs that, when executed by the device, cause the device to perform a cell operation method in accordance with an embodiment of the present disclosure.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Quality & Reliability (AREA)

Abstract

L'invention concerne un procédé et un dispositif de commande de cellule, et un support d'informations. Le procédé de commande de cellule applicable au niveau d'un terminal comprend : la réception de différents signaux de synchronisation envoyés par de multiples seconds nœuds de réseau sur des troisièmes ressources de bande de fréquence d'une seconde cellule, et l'acquisition, en fonction des signaux de synchronisation, d'une synchronisation de liaison descendante avec au moins un des seconds nœuds de réseau; et la réception d'un second message de système identique envoyé par chacun des seconds nœuds de réseau, et la résidence dans la seconde cellule, le terminal pouvant déterminer, selon les informations d'un nœud de réseau, si le nœud de réseau appartient à la seconde cellule.
PCT/CN2017/083851 2016-05-13 2017-05-11 Procédé et dispositif de commande de cellule, et support d'informations WO2017193947A1 (fr)

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CN109889315B (zh) * 2017-12-06 2024-10-18 中兴通讯股份有限公司 一种数据传输的方法、装置、基站和终端
CN112423372B (zh) * 2019-08-22 2022-07-22 中国移动通信有限公司研究院 网络系统、小区的接入方法、终端及网络设备
CN111901848B (zh) * 2020-06-05 2025-02-07 中兴通讯股份有限公司 小区接入方法、装置、设备和存储介质
KR20250029952A (ko) * 2022-08-08 2025-03-05 후지쯔 가부시끼가이샤 셀 구성 방법 및 장치

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US20140171091A1 (en) * 2012-12-19 2014-06-19 Research In Motion Limited Method and apparatus for layer 3 configuration in a heterogeneous network
CN103931239A (zh) * 2011-11-08 2014-07-16 荷兰皇家Kpn电信集团 无线接入电信系统中的系统信息的分配
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US20130045749A1 (en) * 2011-08-15 2013-02-21 Kamakshi Sridhar Method and apparatus for determining handover parameters in wireless overlay networks
CN103931239A (zh) * 2011-11-08 2014-07-16 荷兰皇家Kpn电信集团 无线接入电信系统中的系统信息的分配
US20140171091A1 (en) * 2012-12-19 2014-06-19 Research In Motion Limited Method and apparatus for layer 3 configuration in a heterogeneous network
WO2014132514A1 (fr) * 2013-02-28 2014-09-04 ソニー株式会社 Dispositif de commande de communication, procédé de commande de communication et équipement utilisateur

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