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WO2018176183A1 - Procédé de configuration de ressource, procédé de communication de terminal et dispositif associé - Google Patents

Procédé de configuration de ressource, procédé de communication de terminal et dispositif associé Download PDF

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Publication number
WO2018176183A1
WO2018176183A1 PCT/CN2017/078223 CN2017078223W WO2018176183A1 WO 2018176183 A1 WO2018176183 A1 WO 2018176183A1 CN 2017078223 W CN2017078223 W CN 2017078223W WO 2018176183 A1 WO2018176183 A1 WO 2018176183A1
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WO
WIPO (PCT)
Prior art keywords
sub
terminal
band
target
resource
Prior art date
Application number
PCT/CN2017/078223
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English (en)
Chinese (zh)
Inventor
曾勇波
才宇
王键
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201780064267.9A priority Critical patent/CN109845369B/zh
Priority to PCT/CN2017/078223 priority patent/WO2018176183A1/fr
Publication of WO2018176183A1 publication Critical patent/WO2018176183A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of electrical engineering, and in particular, to a method for resource configuration, a method for terminal communication, and related devices.
  • the Device to Device (D2D) technology defined by the 3rd Generation Partnership Project (3GPP) protocol is a technology for direct communication between devices and devices, that is, between two devices. The message and corresponding control information are directly sent by the base station.
  • 3GPP protocol is mainly a public security-oriented application in which a physical sidelink discovery channel (PSDCH) channel for transmitting a discovery message is defined.
  • PSDCH physical sidelink discovery channel
  • a relayed base station evolved Node B
  • Relay UE Relay User Equipment
  • Data and control information between the eNB and the Remote User Equipment (Remote UE) In the D2D technology defined by the 3GPP protocol, both the transmitting device and the receiving device support full bandwidth operation. For example, when the system bandwidth is 20 MHz, the device can send and receive discovery messages on the 20 MHz band.
  • the relay device selects a resource in a full bandwidth for transmitting a discovery message at a time interval, and the selected resource can hop in the entire frequency band, so the remote device needs to receive the entire work in the full frequency band.
  • the signal on the bandwidth is demodulated. This approach increases the power consumption of the remote device.
  • the embodiment of the present application provides a resource configuration method, a terminal communication method, and a related device, which are used to avoid full-band search of the second terminal and reduce power consumption of the second terminal.
  • a first aspect of the present application provides a resource configuration method, including: a network side device sends resource configuration information to a coverage of a network side device by using a broadcast channel, where the resource configuration information is used to configure a target subband, and the resource is configured.
  • the configuration information carries the information of the target sub-band, where the resource configuration information may further include other information, such as an identifier of the network side device, where the information of the target sub-band is used to determine the target sub-band,
  • the target subband is at least one of a plurality of subbands of the available resources, where the available resources are available bandwidth used for communication between the first terminal and the second terminal; the network side device sends the first terminal to the first terminal First signaling for configuring the target resource on the target sub-band to the first terminal, the target resource being used by the first terminal to send a first message on the target sub-band.
  • the resource used for communication between the first terminal and the second terminal is divided into a plurality of sub-bands, and the network side device sends the information of the target sub-band to the first terminal, where the network side device is Transmitting, by the terminal, the resource used by the first message on the target subband, so that the second terminal receives the first message on the target subband, and the second terminal receives the first message on the target subband, to avoid
  • the full-band search reduces the power consumption of the second terminal.
  • the information of the target sub-band includes information of the primary sub-band, where the information of the primary sub-band is Excluding one of the following: an offset of the primary subband resource in the time domain from a system frame number (SFN) or a direct frame number (DFN) starting position, the primary subband The period of the upper resource, the time domain resource included in each resource period on the primary subband, the location of the primary subband in the frequency domain, or the size of the resource occupied by the primary subband in the frequency domain.
  • SFN system frame number
  • DNN direct frame number
  • the first signaling is further configured to configure, by the first terminal, a first target resource on a target secondary sub-band
  • the first target resource is used by the first terminal to send the first message on the target secondary sub-band.
  • the embodiment of the present application defines the first signaling, so that the embodiment of the present application is more logical.
  • the target sub-band further includes a sub-sub-band
  • the information of the target sub-band further includes the sub-sub-band
  • the information, wherein the information of the secondary sub-band includes at least one of: a time-frequency domain resource location of the secondary sub-band, an occupied resource size, or a transmission period of the signal on the secondary sub-band.
  • the target sub-band further includes the secondary sub-band
  • the information of the target sub-band further includes the secondary sub- The information of the band
  • the information of the secondary sub-band includes at least one of the following: a mapping relationship between the primary sub-band resource and the corresponding secondary sub-band resource, where the mapping relationship is configured by the network side device.
  • the embodiment of the present application defines the resource configuration information of the secondary sub-band, so that the embodiment of the present application is more logical.
  • the target sub-band includes a first primary sub-band, and at least one first secondary sub-group associated with the first primary sub-band a second primary sub-band and at least one second secondary sub-band associated with the second primary sub-band; a bandwidth of the first primary sub-band being the same as a bandwidth of the at least one first secondary sub-band;
  • the bandwidth of the primary subband is the same as the bandwidth of the at least one second secondary subband; the bandwidth of the first primary subband is different from the bandwidth of the second primary subband.
  • the embodiment of the present application refines the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the method before the network side device sends the first signaling to the first terminal, the method further includes: The network side device receives the resource request sent by the first terminal.
  • the embodiment of the present application adds a process of receiving a resource request message, so that the embodiment of the present application is more complete in steps.
  • the target sub-band includes one or more peer sub-bands, and the information of the target sub-band includes the The information of the peer subband, wherein the information of the peer subband includes at least one of the following: a subband division manner, a location and a period of resource allocation in the time domain.
  • the embodiment of the present application defines the target sub-band, which makes the embodiment of the present application more logical.
  • the information about the peer sub-band further includes a sending manner of the first message, where the first message is The transmission mode is a full bandwidth transmission mode, and the full bandwidth transmission mode is used to instruct the first terminal to use the one or more peer subbands to transmit all resources in one time interval.
  • the embodiment of the present application limits the manner of sending the first message, so that the application is implemented. The example is more logical.
  • the sending manner of the first message is a comb sending manner, and the comb sending manner is used to indicate the first A terminal transmits the resources of the same resource location in a time interval using all of the peer subbands.
  • the embodiment of the present application defines the manner of sending the first message, so that the embodiment of the present application is more logical.
  • the sending manner of the first message is a hopping sending mode, and the hopping sending mode is used to indicate the A terminal transmits the resources of different resource locations in different time intervals using all of the peer subbands.
  • the embodiment of the present application defines the manner of sending the first message, so that the embodiment of the present application is more logical.
  • the information about the target subband further includes the supported bandwidth of the second terminal and the corresponding first message.
  • the embodiment of the present application provides a situation in which the information of the target subband carries the relationship between the supported bandwidth of the second terminal and the sending period of the corresponding first message, and the implementation manner of the embodiment of the present application is added.
  • the method before the network side device sends the resource configuration information by using a broadcast channel, the method further includes: the network side device
  • the available resources are divided into at least two sub-bands in a frequency domain; the network side device configures resource configuration information of at least one of the at least two sub-bands.
  • the embodiment of the present application provides a process of dividing and configuring available resources before resending resource configuration information, which increases the achievability and operability of the embodiments of the present application.
  • a second aspect of the embodiments of the present application provides a terminal communication method, including: acquiring, by a first terminal, resource configuration information, where the resource configuration information is used to configure a target subband, where the resource configuration information includes information of a target subband, The information of the target subband is used to determine the target subband, where the target subband is at least one of several subbands of available resources, where the available resource is a communication between the first terminal and the second terminal.
  • the available bandwidth is determined by the first terminal according to the first signaling sent by the network side device and the resource configuration information, where the first signaling is used to configure the target subband to the first terminal.
  • a target resource on the target terminal wherein the first terminal sends the first message by using the target resource on the target subband.
  • the resource used for communication between the first terminal and the second terminal is divided into a plurality of sub-bands, and the network side device sends the information of the target sub-band to the first terminal, where the network side device is Transmitting, by the terminal, the resource used by the first message on the target subband, so that the second terminal receives the first message on the target subband, and the second terminal receives the first message on the target subband, to avoid
  • the full-band search reduces the power consumption of the second terminal.
  • the acquiring, by the first terminal, the resource configuration information includes: the first terminal receiving the The resource configuration information; or the first terminal acquires the resource configuration information from the pre-configuration information.
  • the embodiment of the present application refines the acquisition of the resource configuration information, which increases the achievability and operability of the embodiment of the present application.
  • the information of the target sub-band includes information of the primary sub-band
  • the information of the primary subband includes at least one of the following: an offset of the primary subband resource from a system frame number SFN or a direct frame number DFN start position in a time domain, and a period of resources on the primary subband
  • the primary sub-band carries the time domain resources included in each resource period, The location of the primary subband in the frequency domain or the size of the resource occupied by the primary subband in the frequency domain.
  • the embodiment of the present application refines the information of the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the method further includes: sending, by the first terminal, the first sub-band
  • the message carries the indication information, where the indication information is used to indicate the first target resource.
  • the embodiment of the present application adds the indication information in the first message that is sent, which increases the achievability and operability of the embodiment of the present application.
  • the target sub-band further includes the sub-sub-band
  • the information of the target sub-band further includes the sub-sub Subband information
  • the information of the secondary subband includes at least one of: a time-frequency domain resource location of the secondary sub-band, an occupied resource size, and a transmission period of the signal on the secondary sub-band
  • the information of the secondary subband is preset or configured by the network side device.
  • the embodiment of the present application refines the information of the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the target sub-band further includes the sub-sub-band
  • the information of the target sub-band further includes the secondary sub- The information of the band, wherein the information of the secondary sub-band includes a mapping relationship between the primary sub-band resource and the corresponding secondary sub-band resource, where the mapping relationship is preset or configured by the network side device.
  • the embodiment of the present application defines the resource configuration information of the secondary sub-band, so that the embodiment of the present application is more logical.
  • the target sub-band includes a first primary sub-band, and at least one first secondary sub-group associated with the first primary sub-band a second primary sub-band and at least one second secondary sub-band associated with the second primary sub-band; a bandwidth of the first primary sub-band being the same as a bandwidth of the at least one first secondary sub-band;
  • the bandwidth of the primary subband is the same as the bandwidth of the at least one second secondary subband; the bandwidth of the first primary subband is different from the bandwidth of the second primary subband.
  • the embodiment of the present application refines the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the sending, by the first terminal, the first message by using the target resource on the target subband includes: Transmitting, by the first terminal, the first message on the primary subband by using a second target resource, where the second target resource is used by the first terminal to send the first message on the primary subband; The first terminal sends the first message by using the first target resource on the target secondary sub-band, where the first target resource is used by the first terminal to send the first message on the target secondary sub-band.
  • the embodiment of the present application refines the sending process, which increases the achievability and operability of the embodiment of the present application.
  • the first terminal passes the first target resource on a target secondary sub-band corresponding to the first terminal.
  • the method further includes: determining, by the first terminal, the first target resource by using the first signaling and the mapping relationship; Or, if the first signaling is further used to configure the first target resource to the first terminal, the first terminal determines the first target resource by using the first signaling.
  • the embodiment of the present application refines the acquisition of the resource configuration information, which increases the achievability and operability of the embodiment of the present application.
  • the target object includes one or more peer sub-bands
  • the information of the peer sub-bands including at least one of the following: a sub-band division manner, a location and a period of resource allocation in the time domain.
  • the embodiment of the present application increases the process of determining resources on the target secondary sub-band, and the achievable manner of the embodiment of the present application is added.
  • the method further includes: acquiring, by the first terminal, a pre-configured first message sending manner; or The first terminal extracts a sending manner of the first message from the information of the peer sub-band; when the sending manner of the first message is a full-bandwidth sending mode, the first terminal passes the target sub-band
  • the sending, by the target resource, the first message includes: sending, by the first terminal, the first message by using all the resources of the peer sub-bands in a time interval, where the target resource is all the peers Bring all resources in a time interval.
  • the manner of sending the first message in the embodiment of the present application is limited, so that the embodiment of the present application is more logical.
  • the method further includes: acquiring, by the first terminal, a pre-configured first message sending manner; or The first terminal extracts a sending manner of the first message from the information of the peer sub-band; when the sending manner of the first message is a comb-like sending mode, the first terminal passes the target sub-band
  • the sending, by the target resource, the first message includes: sending, by the first terminal, the first message to the second terminal by using, by the first terminal, the resources of the same resource location in a time interval.
  • the target resource is all resources of the one or more peer sub-bands within a time interval.
  • the method further includes: acquiring, by the first terminal, a pre-configured first message sending manner; or The first terminal extracts a sending manner of the first message from the information of the peer sub-band; when the sending manner of the first message is a hopping sending mode, the first terminal passes the target sub-band
  • the sending, by the target resource, the first message includes: using, by the first terminal, resources of different resource locations in different time intervals of all peer subbands to send the first message to the second terminal.
  • the manner of sending the first message in the embodiment of the present application is limited, so that the embodiment of the present application is more logical.
  • the information about the target subband further includes the supported bandwidth of the second terminal and the corresponding first message.
  • the embodiment of the present application provides that the target sub-band is included in the bandwidth supported by the second terminal, so that the embodiment of the present application is more complete in the steps.
  • a third aspect of the embodiments of the present application provides a terminal communication method, including: acquiring, by a second terminal, resource configuration information, where the resource configuration information is used to configure a target subband, where the resource configuration information includes information of a target subband, The information of the target subband is used to determine the target subband, where the target subband is at least one of several subbands of available resources, where the available resource is between the first terminal and the second terminal.
  • the available bandwidth used for communication the second terminal receives the first message sent by the first terminal on the target subband according to the resource configuration information.
  • the resource used for communication between the first terminal and the second terminal is divided into a plurality of sub-bands, and the network side device sends the information of the target sub-band to the first terminal, where the network side device is Transmitting, by the terminal, the resource used by the first message on the target subband, so that the second terminal receives the first message on the target subband, and the second terminal receives the first message on the target subband, to avoid
  • the full-band search reduces the power consumption of the second terminal.
  • the acquiring, by the second terminal, the resource configuration information includes: the second terminal receiving the Resource configuration information; or, The second terminal acquires the resource configuration information from the pre-configuration information.
  • the embodiment of the present application refines the acquisition of the resource configuration information, which increases the achievability and operability of the embodiment of the present application.
  • the target sub-band includes a primary sub-band
  • the information of the target sub-band includes information of the primary sub-band
  • the information of the primary subband includes at least one of: an offset of the primary subband resource in a time domain from a system frame number SFN or a direct frame number DFN start position, a period of resources on the primary subband, and a location
  • the primary subband carries the time domain resource included in each resource period, the location of the primary subband in the frequency domain, or the size of the resource occupied by the primary subband in the frequency domain.
  • the embodiment of the present application refines the information of the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the target sub-band further includes a sub-sub-band
  • the information of the target sub-band further includes the sub-sub-band Information
  • the information of the secondary sub-band includes at least one of: a time-frequency domain resource location of the secondary sub-band, a size of the occupied resource, a transmission period of the signal on the secondary sub-band, the secondary sub-
  • the information of the band is preset or configured by the network side device.
  • the embodiment of the present application refines the information of the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the target sub-band further includes the sub-sub-band
  • the information of the target sub-band further includes the secondary sub- The information of the band, wherein the information of the secondary sub-band includes at least one of the following: a mapping relationship between the primary sub-band resource and the corresponding secondary sub-band resource, the mapping relationship being preset, or by the network Side device configuration.
  • the embodiment of the present application defines the resource configuration information of the secondary sub-band, so that the embodiment of the present application is more logical.
  • the target sub-band includes a first primary sub-band, and at least one first secondary sub-group associated with the first primary sub-band a second primary sub-band and at least one second secondary sub-band associated with the second primary sub-band; a bandwidth of the first primary sub-band being the same as a bandwidth of the at least one first secondary sub-band;
  • the bandwidth of the primary subband is the same as the bandwidth of the at least one second secondary subband; the bandwidth of the first primary subband is different from the bandwidth of the second primary subband.
  • the embodiment of the present application refines the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the second terminal receives, sent by the first terminal, on the target subband.
  • the method further includes: the second terminal determining a target terminal from the first terminal.
  • the embodiment of the present application adds a process of determining a target terminal, and an implementation manner of the embodiment of the present application is added.
  • the determining, by the second terminal, the target terminal from the first terminal, The terminal with the highest received signal strength in a terminal is the target terminal.
  • the embodiment of the present application refines the process of determining the target terminal, so that the embodiment of the present application is more complete in steps.
  • the method further includes: The second terminal receives the first message on a target secondary sub-band corresponding to the target terminal.
  • the embodiment of the present application adds a process of receiving the first message, so that the embodiment of the present application is more complete in steps.
  • the second terminal After the second terminal determines the target terminal from the first terminal, the method further includes: the second terminal passes, after the first terminal receives the first message on the target secondary sub-band corresponding to the target terminal a mapping relationship between the primary sub-band resource and the corresponding secondary sub-band resource, and the information of the primary sub-band determines the target secondary sub-band, the mapping relationship is pre-configured, or sent by the network side device; or If the first message sent by the first terminal on the primary sub-band carries indication information, the indication information is used to indicate a target resource on the target secondary sub-band, and the target resource is used in the first Transmitting, by the terminal, the first message on the target secondary sub-band, the second terminal determining the target secondary sub-band according to the indication information; or the second terminal according to the information of the secondary sub-band Determining, by the mapping relationship, the target secondary sub-band, the information of the secondary sub-band being pre
  • the method further includes: when the received signal strength of the target terminal is lower than a preset threshold, the second terminal continues to receive the first message on the primary subband.
  • the embodiment of the present application increases the process in which the second terminal receives the first message in the primary sub-band, and increases the achievability and operability of the embodiment of the present application.
  • the second terminal after receiving the first message, on the target secondary sub-band corresponding to the target terminal The method further includes: the second terminal determining whether the preset repeated reception condition is satisfied; if yes, the second terminal continues to receive the first message on the primary sub-band.
  • the embodiment of the present application increases the process in which the second terminal receives the first message in the primary sub-band, and increases the achievability and operability of the embodiment of the present application.
  • the target sub-band includes one or more peer sub-bands, and the information of the peer sub-band includes at least One of the following: subband division mode, location and period of resource allocation in the time domain, and the manner in which the first message is sent.
  • the embodiment of the present application defines the target sub-band, which makes the embodiment of the present application more logical.
  • the target sub-band is included in a bandwidth supported by the second terminal.
  • the embodiment of the present application provides that the target sub-band is included in the bandwidth supported by the second terminal, so that the embodiment of the present application is more complete in the steps.
  • a fourth aspect of the embodiments of the present application provides a network side device, including: a first sending unit, configured to send resource configuration information by using a broadcast channel, where the resource configuration information is used to configure a target subband, where the resource configuration information includes Information of the target subband, the information of the target subband is used to determine the target subband, the target subband is at least one of a plurality of subbands of available resources, where the available resources are the first terminal and the first An available bandwidth used for communication between the two terminals; a second sending unit, configured to send first signaling to the first terminal, where the first signaling is used to configure the target sub-interface to the first terminal And a target resource that is used by the first terminal to send the first message on the target sub-band.
  • a first sending unit configured to send resource configuration information by using a broadcast channel, where the resource configuration information is used to configure a target subband, where the resource configuration information includes Information of the target subband, the information of the target subband is used to determine the target subband, the target sub
  • the resource used for communication between the first terminal and the second terminal includes a plurality of sub-bands
  • the network side device sends the information of the target sub-band to the first terminal, where the network side device is the first
  • the terminal configures, on the target subband, the resource used by the first message, so that the second terminal receives the first message on the target subband, and the second terminal receives the first message on the target subband, which avoids Full-band search reduces the power consumption of the second terminal.
  • the target sub-band includes a primary sub-band
  • the information of the target sub-band includes information of the primary sub-band
  • the information of the primary subband includes at least one of the following: an offset of the primary subband resource from a system frame number SFN or a direct frame number DFN start position in a time domain, and a period of resources on the primary subband
  • the primary subband carries the time domain resource included in each resource period, the location of the primary subband in the frequency domain, or the size of the resource occupied by the primary subband in the frequency domain.
  • the embodiment of the present application refines the target sub-band information, which increases the achievability and operability of the embodiment of the present application.
  • the first signaling is further configured to configure, by the first terminal, the first target resource on the target secondary sub-band
  • the first target resource is used by the first terminal to send the first message on the target secondary sub-band.
  • the embodiment of the present application defines the first signaling, so that the embodiment of the present application is more logical.
  • the target sub-band further includes a sub-sub-band
  • the information of the target sub-band further includes the sub-sub-band
  • the information, wherein the information of the secondary sub-band includes at least one of: a time-frequency domain resource location of the secondary sub-band, an occupied resource size, or a transmission period of the signal on the secondary sub-band.
  • the target sub-band further includes the sub-sub-band
  • the information of the target sub-band further includes the secondary sub- The information of the band, wherein the information of the secondary sub-band includes at least one of the following: a mapping relationship between the primary sub-band resource and the corresponding secondary sub-band resource, where the mapping relationship is configured by the network side device.
  • the embodiment of the present application defines the resource configuration information of the secondary sub-band, so that the embodiment of the present application is more logical.
  • the target sub-band includes a first primary sub-band, and at least one first secondary sub-group associated with the first primary sub-band a second primary sub-band and at least one second secondary sub-band associated with the second primary sub-band; a bandwidth of the first primary sub-band being the same as a bandwidth of the at least one first secondary sub-band;
  • the bandwidth of the primary subband is the same as the bandwidth of the at least one second secondary subband; the bandwidth of the first primary subband is different from the bandwidth of the second primary subband.
  • the embodiment of the present application refines the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the network side device further includes: a receiving unit, configured to receive a resource request sent by the first terminal.
  • the embodiment of the present application adds a process of receiving a resource request message, so that the embodiment of the present application is more complete in steps.
  • the target sub-band includes one or more peer sub-bands, and the information of the target sub-band includes the The information of the peer subband, wherein the information of the peer subband includes at least one of the following: a subband division manner, a location and a period of resource allocation in the time domain, or a transmission manner of the first message.
  • the embodiment of the present application defines the target sub-band, which makes the embodiment of the present application more logical.
  • the information about the peer sub-band further includes a sending manner of the first message, and the full bandwidth sending manner And used to instruct the first terminal to use the one or more peer subbands to transmit all resources in a time interval.
  • the first embodiment of the present application is directed to the first The manner in which the message is sent is limited, making the embodiment of the present application more logical.
  • the sending manner of the first message is a comb sending manner, and the comb sending manner is used to indicate the first A terminal transmits the resources of the same resource location within one time interval using the one or more peer subbands.
  • the embodiment of the present application defines the manner of sending the first message, so that the embodiment of the present application is more logical.
  • the sending manner of the first message is a hopping sending manner, and the hopping sending manner is used to indicate the foregoing
  • a terminal transmits the resources of different resource locations in different time intervals using the one or more peer subbands.
  • the embodiment of the present application defines the manner of sending the first message, so that the embodiment of the present application is more logical.
  • the information about the target subband further includes the supported bandwidth of the second terminal and the corresponding first message.
  • the embodiment of the present application provides a situation in which the information of the target subband carries the relationship between the supported bandwidth of the second terminal and the sending period of the corresponding first message, and the implementation manner of the embodiment of the present application is added.
  • the network side device further includes: a dividing unit, configured to divide the available resources into at least a frequency domain. Two sub-bands; a configuration unit, configured to configure resource configuration information of at least one of the at least two sub-bands.
  • the embodiment of the present application provides a process of dividing and configuring available resources before sending resource configuration information, which increases the achievability and operability of the embodiments of the present application.
  • a fifth aspect of the present application provides a terminal, where the terminal is a first terminal, and includes: an acquiring unit, configured to acquire resource configuration information, where the resource configuration information is used to configure a target sub-band, and the resource configuration information And including information of a target subband, where the target subband is used to determine the target subband, where the target subband is at least one of several subbands of available resources, where the available resource is a first terminal and An available bandwidth used for communication between the second terminals; a first determining unit, configured to determine, according to the first signaling sent by the network side device and the resource configuration information, target resources on the target subband, where The signaling is used to configure the target resource to the first terminal, and the first sending unit is configured to send, by the first terminal, the first message by using the target resource on the target subband.
  • the resource used for communication between the first terminal and the second terminal is divided into a plurality of sub-bands, and the network side device sends the information of the target sub-band to the first terminal, where the network side device is Transmitting, by the terminal, the resource used by the first message on the target sub-band, so that the second terminal receives the first message on the target sub-band, avoiding full-band search, and reducing power consumption of the second terminal .
  • the acquiring unit includes: an acquiring subunit, configured to receive the resource configuration information sent by the network side device; Or, used to obtain the resource configuration information from the pre-configuration information.
  • the embodiment of the present application refines the acquisition of the resource configuration information, which increases the achievability and operability of the embodiment of the present application.
  • the information of the target sub-band includes information of the primary sub-band
  • the information of the primary subband includes at least one of the following: an offset of the primary subband resource from a system frame number SFN or a direct frame number DFN start position in a time domain, and a period of resources on the primary subband
  • the primary sub-band carries the time domain resources included in each resource period, The location of the primary subband in the frequency domain or the size of the resource occupied by the primary subband in the frequency domain.
  • the embodiment of the present application refines the information of the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the terminal further includes: a second sending unit, configured to carry in the first message sent by the primary subband
  • the indication information is used to indicate the first target resource.
  • the embodiment of the present application adds the indication information in the first message that is sent, which increases the achievability and operability of the embodiment of the present application.
  • the target sub-band further includes the sub-sub-band
  • the information of the target sub-band further includes the sub-sub Subband information
  • the information of the secondary subband includes at least one of: a time-frequency domain resource location of the secondary sub-band, an occupied resource size, and a transmission period of the signal on the secondary sub-band
  • the information of the secondary subband is preset or configured by the network side device.
  • the embodiment of the present application refines the information of the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the target sub-band further includes the sub-sub-band
  • the information of the target sub-band further includes the secondary sub- The information of the band, wherein the information of the secondary sub-band includes a mapping relationship between the primary sub-band resource and the corresponding secondary sub-band resource, where the mapping relationship is preset or configured by the network side device.
  • the embodiment of the present application defines the resource configuration information of the secondary sub-band, so that the embodiment of the present application is more logical.
  • the target sub-band includes a first primary sub-band, and at least one first secondary sub-group associated with the first primary sub-band a second primary sub-band and at least one second secondary sub-band associated with the second primary sub-band; a bandwidth of the first primary sub-band being the same as a bandwidth of the at least one first secondary sub-band;
  • the bandwidth of the primary subband is the same as the bandwidth of the at least one second secondary subband; the bandwidth of the first primary subband is different from the bandwidth of the second primary subband.
  • the embodiment of the present application refines the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the first sending unit includes: a first sending subunit, configured to pass the second target on the primary subband Transmitting, by the resource, the first message, the second target resource is used by the first terminal to send the first message on the primary subband, and the second sending subunit is configured to pass the first subband on the target
  • the first resource is sent by the target resource, and the first target resource is used by the first terminal to send the first message on the target secondary sub-band.
  • the terminal further includes: a second determining unit, configured to determine, by using the first signaling and the mapping relationship And the first target resource is used to determine the first target resource by using the first signaling, if the first signaling is further configured to configure the first target resource to the first terminal.
  • the embodiment of the present application refines the acquisition of the resource configuration information, which increases the achievability and operability of the embodiment of the present application.
  • the information of the peer sub-band includes at least One of the following: subband division mode, location and period of resource allocation in the time domain, and the manner in which the first message is sent.
  • the embodiment of the present application increases the process of determining resources on the target secondary sub-band, and the achievable manner of the embodiment of the present application is added.
  • the terminal further includes: an obtaining unit, configured to acquire a pre-configured first message sending manner; or The obtaining unit is further configured to: extract a sending manner of the first message from the information of the peer subband; when the sending manner of the first message is a full bandwidth sending manner, the first sending unit includes: a third sending a unit, configured to send the first message by using all resources of the one or more peer subbands in a time interval, where the target resource is the one or more peer subbands in a time interval All resources.
  • the manner of sending the first message in the embodiment of the present application is limited, so that the embodiment of the present application is more logical.
  • the terminal further includes: the obtaining unit, configured to acquire a pre-configured first message sending manner; or The obtaining unit is further configured to: extract a sending manner of the first message from the information of the peer subband; when the sending manner of the first message is a comb sending manner, the first sending unit includes: a fourth sending subunit, configured to send, by using the one or more peer subbands, resources of the same resource location in a time interval to the second terminal, where the target resource is the one or Multiple peers bring one or more resources in a time interval.
  • the manner of sending the first message in the embodiment of the present application is limited, so that the embodiment of the present application is more logical.
  • the terminal further includes: the obtaining unit, configured to acquire a pre-configured first message sending manner; or The obtaining unit is further configured to: extract a sending manner of the first message from the information of the peer sub-band; when the sending manner of the first message is a hopping sending mode, the first sending unit includes: And a fifth sending subunit, configured to send the first message to the second terminal by using resources of different resource locations of different peer subbands in different time intervals.
  • the manner of sending the first message in the embodiment of the present application is limited, so that the embodiment of the present application is more logical.
  • the information about the target subband further includes the supported bandwidth of the second terminal and the corresponding first message.
  • the embodiment of the present application provides that the target sub-band is included in the bandwidth supported by the second terminal, so that the embodiment of the present application is more complete in the steps.
  • a sixth aspect of the present application provides a terminal, where the terminal is a second terminal, and includes: a first acquiring unit, configured to acquire resource configuration information, where the resource configuration information is used to configure a target subband And the resource configuration information includes information of a target sub-band, where the information of the target sub-band is used to determine the target sub-band, where the target sub-band is at least one of several sub-bands of available resources, where the available
  • the resource is an available bandwidth used for communication between the first terminal and the second terminal; the first receiving unit, the second terminal receives the first terminal on the target sub-band according to the resource configuration information The first message sent.
  • the resource used for communication between the first terminal and the second terminal is divided into a plurality of sub-bands, and the network side device sends the information of the target sub-band to the first terminal, where the network side device is Transmitting, by the terminal, the resource used by the first message on the target subband, so that the second terminal receives the first message on the target subband, and the second terminal receives the first message on the target subband, to avoid
  • the full-band search reduces the power consumption of the second terminal.
  • the first acquiring unit includes: an acquiring subunit, configured to receive the resource configuration sent by the network side device Information; or, used to obtain the resource configuration information from the pre-configuration information.
  • the embodiment of the present application refines the acquisition of the resource configuration information, which increases the achievability and operability of the embodiment of the present application.
  • the target sub-band includes a primary sub-band
  • the information of the target sub-band includes information of the primary sub-band
  • the information of the primary subband includes at least one of: an offset of the primary subband resource in a time domain from a system frame number SFN or a direct frame number DFN start position, a period of resources on the primary subband, and a location
  • the primary subband carries the time domain resource included in each resource period, the location of the primary subband in the frequency domain, or the size of the resource occupied by the primary subband in the frequency domain.
  • the embodiment of the present application refines the information of the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the target sub-band further includes a sub-sub-band
  • the information of the target sub-band further includes the sub-sub-band Information
  • the information of the secondary sub-band includes at least one of: a time-frequency domain resource location of the secondary sub-band, a size of the occupied resource, a transmission period of the signal on the secondary sub-band, the secondary sub-
  • the information of the band is preset or configured by the network side device.
  • the embodiment of the present application refines the information of the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the target sub-band further includes the secondary sub-band
  • the information of the target sub-band further includes the secondary sub- The information of the band
  • the information of the secondary sub-band includes at least one of the following: a mapping relationship between the primary sub-band resource and the corresponding secondary sub-band resource, the mapping relationship being preset, or by the network Side device configuration.
  • the embodiment of the present application defines the resource configuration information of the secondary sub-band, so that the embodiment of the present application is more logical.
  • the target sub-band includes a first primary sub-band, and at least one first secondary sub-group associated with the first primary sub-band a second primary sub-band and at least one second secondary sub-band associated with the second primary sub-band; a bandwidth of the first primary sub-band being the same as a bandwidth of the at least one first secondary sub-band;
  • the bandwidth of the primary subband is the same as the bandwidth of the at least one second secondary subband; the bandwidth of the first primary subband is different from the bandwidth of the second primary subband.
  • the embodiment of the present application refines the target sub-band, which increases the achievability and operability of the embodiment of the present application.
  • the terminal further includes: a first determining unit, configured to determine a target terminal from the first terminal.
  • the embodiment of the present application adds a process of determining a target terminal, and an implementation manner of the embodiment of the present application is added.
  • the first determining unit includes: a determining subunit, configured to determine that a received signal strength is the largest in the first terminal
  • the terminal is the target terminal.
  • the embodiment of the present application refines the process of determining the target terminal, so that the embodiment of the present application is more complete in steps.
  • the terminal further includes: a second receiving unit, configured to be on a target secondary sub-band corresponding to the target terminal Receiving the first message.
  • the embodiment of the present application adds a process of receiving the first message, so that the embodiment of the present application is more complete in steps.
  • the terminal further includes: a second determining unit, configured to pass between the primary subband resource and the corresponding secondary subband resource The mapping relationship, and the information of the primary subband determines the target secondary subband, the mapping relationship is preconfigured, or sent by the network side device; or, if the first terminal is in the primary subband And transmitting, by the first terminal, the indication information, where the indication information is used to indicate a target resource on the target secondary sub-band, and the target resource is used by the first terminal to send the target on the target secondary sub-band Determining, according to the indication information, the target secondary sub-band; or, for using the secondary sub-sub The information of the band and the mapping relationship determine the target secondary sub-band, and the information of the secondary sub-band is pre-configured or transmitted by the network side device.
  • the specific process of determining the secondary sub-band is added to the embodiment of the present application, and the achievability and operability of the embodiment of the present
  • the terminal further includes: a third receiving unit, when a signal strength of the target terminal is lower than a preset threshold And for continuing to receive the first message on the primary subband.
  • the embodiment of the present application increases the process in which the second terminal receives the first message in the primary sub-band, and increases the achievability and operability of the embodiment of the present application.
  • the terminal further includes: a determining unit, configured to determine whether a preset repeated receiving condition is met; and the fourth receiving unit And if yes, continuing to receive the first message on the primary subband.
  • a determining unit configured to determine whether a preset repeated receiving condition is met
  • the fourth receiving unit And if yes, continuing to receive the first message on the primary subband.
  • the target sub-band includes one or more peer sub-bands, and the information of the peer sub-band includes at least One of the following: subband division mode, location and period of resource allocation in the time domain, and the manner in which the first message is sent.
  • the embodiment of the present application defines the target sub-band, which makes the embodiment of the present application more logical.
  • the target sub-band is included in a bandwidth supported by the second terminal.
  • the embodiment of the present application provides that the target sub-band is included in the bandwidth supported by the second terminal, so that the embodiment of the present application is more complete in the steps.
  • a seventh aspect of embodiments of the present application provides a computer readable storage medium having instructions stored therein that, when executed on a computer, cause the computer to perform the methods described in the above aspects.
  • An eighth aspect of the embodiments of the present application provides a computer program product comprising instructions which, when run on a computer, cause the computer to perform the methods described in the above aspects.
  • the network side device sends resource configuration information by using a broadcast channel, where the resource configuration information includes information of a target subband, and the information of the target subband is used to determine the target subband.
  • the target subband is at least one of a plurality of subbands of the available resources, where the available resources are available bandwidth used for communication between the first terminal and the second terminal; the network side device is to the first terminal And transmitting, by the first terminal, a target resource, where the target resource is used to send the first message on the target subband.
  • the resource used for communication between the first terminal and the second terminal is divided into a plurality of sub-bands, and the network side device sends the information of the target sub-band to the first terminal, where the network side device is Transmitting, by the terminal, the resource used by the first message on the target subband, so that the second terminal receives the first message on the target subband, and the second terminal receives the first message on the target subband, to avoid
  • the full-band search reduces the power consumption of the second terminal.
  • FIG. 1 is a schematic diagram of a network architecture according to an embodiment of the present application.
  • Figure 2 is a schematic diagram of an application scenario of an embodiment of the present application.
  • Figure 2b is another schematic diagram of an application scenario of the embodiment of the present application.
  • FIG. 3 is a schematic diagram of a resource configuration method or a terminal communication method according to an embodiment of the present application
  • FIG. 4 is a diagram showing an example of a sending process of a resource configuration method or a terminal communication method according to an embodiment of the present application
  • FIG. 5 is another schematic diagram of a resource configuration method or a terminal communication method according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a method for dividing a resource configuration method or a terminal communication method according to an embodiment of the present application
  • FIG. 7 is a schematic diagram of a method for dividing a resource configuration method or a terminal communication method according to an embodiment of the present application.
  • FIG. 8 is a diagram showing another example of a resource configuration method or a terminal communication method according to an embodiment of the present application.
  • FIG. 9 is another schematic diagram of a resource configuration method or a terminal communication method according to an embodiment of the present application.
  • FIG. 10 is a diagram showing an example of a method for transmitting a resource or a method for transmitting a terminal according to an embodiment of the present application
  • FIG. 11 is a schematic diagram of another method for transmitting a resource configuration method or a terminal communication method according to an embodiment of the present application.
  • FIG. 12 is a schematic diagram of another method for transmitting a resource configuration method or a terminal communication method according to an embodiment of the present application.
  • FIG. 13 is a schematic diagram of another method for transmitting a resource configuration method or a terminal communication method according to an embodiment of the present application
  • FIG. 14 is a schematic diagram of an embodiment of a network side device according to an embodiment of the present application.
  • FIG. 15 is a schematic diagram of an embodiment of a terminal in an embodiment of the present application.
  • 16 is a schematic diagram of another embodiment of a terminal in an embodiment of the present application.
  • Figure 17.a is a schematic block diagram of a terminal in the embodiment of the present application.
  • Figure 17.b is a schematic structural diagram of a terminal in the embodiment of the present application.
  • FIG. 18 is a schematic diagram of another embodiment of a network side device according to an embodiment of the present application.
  • the network side device in the present application is not limited to the eNB, the Node B, the base station (BS), and the other wireless access network side devices that are associated with the devices to perform certain functions.
  • FIG. 1 describes a relay scenario of a user equipment to a network, where the relay terminal is within the network coverage of the eNB, and the relay terminal and the eNB pass the Uu. Link communication; the remote terminal can be within the network coverage of the eNB, such as the Remote UE1 shown in FIG. 1 or outside the network coverage of the eNB, such as the Remote UE2 shown in FIG. 1 , and each remote terminal and The relay terminal communicates through the bypass link. It can be seen that each remote terminal and the relay terminal can directly communicate without going through the eNB.
  • the discovery message sent by the relay terminal to the remote terminal is sent in the discovery resource pool, and the discovery resource pool is divided into a plurality of time-frequency resource sets by cycle. This period is called a discovery period.
  • the relay terminal can send the discovery message carrying the same information up to 4 times in each discovery period, including 1 initial transmission and 3 Retransmission.
  • the discovery period is configured to be 320ms.
  • the relay device can select resources on the PSDCH resource set to send discoverymessage. As shown in Figure 2.b, the relay device randomly selects a resource in the resource set in one cycle of the PSDCH for transmitting the discovery message.
  • a method embodiment of a resource configuration method and a terminal communication method includes:
  • the network side device divides the available bandwidth into at least two subbands.
  • the first terminal selects a resource to send a first message on the available bandwidth, where the available bandwidth is a frequency band used for communication between the first terminal and the second terminal.
  • the network side device divides the available bandwidth into at least two subbands, where the at least two subbands include one primary subband and at least one secondary subband, and the manner in which the network side device divides the available bandwidth may be equal division or unequal
  • the division that is, the bandwidth of each sub-band obtained by the division may be the same or different, and is not limited herein.
  • the network side device may divide the available bandwidth according to the supportable bandwidth of the second terminal. For example, the bandwidth supported by the second terminal is narrow. Correspondingly, the network side device divides the available bandwidth into subbands with smaller bandwidth. In practical applications, the network side device divides the available bandwidth according to various reasons. For example, if the network device determines that the number of the second terminal is N, the network device divides the available bandwidth into N+1 shares, which may include one primary subband and N sub-sub-bands, so the basis for dividing the available bandwidth by the network-side device is not limited herein.
  • the “subband” is used in the present application to indicate a resource set obtained by dividing the available bandwidth in the frequency domain. It can be understood that the subband includes resources of a certain frequency resource and a certain time resource. set.
  • a subband may include one or more subcarriers in frequency, and may also include one or more PRBs having a larger granularity in frequency, or even one or more carrier frequency resources.
  • a sub-band may also be referred to as a sub-channel, a time-frequency resource set, or a sub-band, which is not limited herein.
  • dividing the available bandwidth into one or more sub-bands may also adopt a pre-configured manner, that is, the network side device is not required to divide the available bandwidth.
  • the resource configuration information is configured, where the resource configuration information includes at least information of the primary subband, and the information of the primary subband may specifically include at least one of the following information.
  • the offset of the primary subband resource from the SFN start position or the DFN start position in the time domain, the resource period on the primary subband, the time domain resource included in each resource period on the primary subband, and the primary subband in the frequency domain The size of the resource occupied by the location and the primary subband in the frequency domain.
  • the information required to determine the primary subband includes the offset of the primary subband resource in the time domain from the SFN starting position or the DFN starting position, the resource period on the primary subband, and each resource period on the primary subband.
  • the resource configuration information may further include information of a secondary subband, where the information of the secondary subband may be specific information or a mapping relationship of the secondary subband.
  • the information of the secondary subband is specific information of the secondary subband
  • at least one of the following information is included: a time-frequency domain resource location of the secondary subband, a size of the secondary subband occupying resources in the frequency domain, and a signal in the secondary subroutine Bring the transmission cycle, etc.
  • the resource configuration information may include the terminal receiving resource pool in addition to the information of the primary subband.
  • Information (such as the time-frequency resource location of the resource pool), the time period during which the resource on the target sub-band can be used, and so on.
  • the primary sub-band and the secondary sub-band in the present invention are a relative concept.
  • the resource that the Relay UE sends the message on the primary subband is configured by the network side device, for example, the eNB, and the resources used by the Relay UE to send the message on the secondary subband have a certain relationship with the resources used on the primary subband.
  • the mapping relationship is a relationship between the primary sub-band resource and the corresponding secondary sub-band resource, such as a simple mapping relationship listed in Table 1, and the primary sub-band carries the serial number of the resource.
  • each time interval in this application, the time interval refers to a fixed time unit.
  • the length of the interval is equal to the length of the subframe, That is, the two PRBs on the time interval can be represented by a subframe to form one resource block to obtain three resource blocks, and the three resource blocks are respectively numbered by resource block 1, resource block 2, and resource block 3, and the secondary sub-bands are also numbered.
  • the sub-sub-band 1 to the sub-sub-band 3 are respectively assigned, and the main sub-band is connected to the sub-sub-band 1 to the sub-sub-band 3, that is, if the first terminal is in the main sub-band resource block 1
  • the subsequent transmission signal of the first terminal is sent on the resource on the secondary sub-band 1.
  • the resources on the secondary sub-band are determined according to the resource location configured on the primary sub-band.
  • the network side device may also adopt a dynamic configuration mode when the mapping relationship is configured, that is, the mapping relationship may be changed, so the configuration manner of the mapping relationship is not limited herein.
  • the example in Table 1 directly maps the resource block on the primary sub-band to the secondary sub-band, that is, the resource block on one primary sub-band is mapped to the corresponding resource block set in a secondary sub-band; other mapping relationships may also be primary.
  • the resource and the secondary sub-band resource mapping for example, one or more resource blocks on the primary sub-band are mapped to different resource block sets on one secondary sub-band, or N resource blocks on the primary sub-band may be mapped to M.
  • the resource blocks with different time intervals on the primary sub-band can be mapped to different time domain offsets or frequency domain offsets on the secondary sub-bands, that is, the mapping relationship can also be the resources mapped on the primary sub-band resource and the secondary sub-band in the time domain.
  • the offset above, that is, the position of the resource mapped on the sub-subband can be obtained by the position of the known primary sub-band resource, and the mapping relationship can also be the main sub-band resource and the sub-subband.
  • the offset of the mapped resource in the frequency domain, so the content of the mapping relationship is not limited herein.
  • the network side device divides the available bandwidth into several sub-bands by using steps 301 and 302, and configures resource configuration information.
  • the available bandwidth division and resource configuration information may be pre-configured. Configuration, specifically here is not limited.
  • the pre-configured information is information according to the agreement.
  • the network side device sends resource configuration information by using a broadcast channel.
  • the network side device sends the resource configuration information through the broadcast channel, so that the second terminal in the coverage of the first terminal and the network side device obtains the resource configuration information.
  • the resource configuration information includes at least information of the primary subband, and the primary subband is determined by the information of the primary subband.
  • the information of the secondary sub-band may be specific information of the secondary sub-band or a mapping relationship between the primary sub-band resource and the corresponding secondary sub-band resource.
  • the network-side device may dynamically configure the mapping relationship, for example, the network side device may preset a resource period or a preset time or preset a predetermined condition (such as a resource). The utilization information is sent to the new terminal through the broadcast channel, so that the first terminal and the second terminal in the coverage of the network side device obtain the new mapping relationship.
  • the network side device receives the resource request sent by the first terminal.
  • the network side device receives the resource request sent by the first terminal, where the resource request is used to request the network side device to configure the resource used by the first terminal to send the first message on the available bandwidth, so that the first terminal passes the resource to the first terminal.
  • the second terminal sends the first message.
  • 303 and 304 have no strict sequence, which is determined by the network side device.
  • the network side device sends the first signaling to the first terminal.
  • the network side device After receiving the resource request sent by the first type, the network side device sends the first signaling to the first terminal, where the first signaling is used to configure the second target resource to the first terminal, where the second target resource is used.
  • the first terminal sends the first message on the primary subband.
  • the first signaling may be used to configure, by the first terminal, the first target resource on the target secondary subband, the first target resource.
  • the first terminal sends a first message on the target secondary sub-band, where the first target resource is configured by the base station for the first terminal.
  • the network side device configures the first target resource to the first terminal by using the first signaling, and the configuration may be dynamically configured, for example, the period of the resource on the primary subband of the network side device.
  • the first signaling is periodically sent to the first terminal, where the first signaling is used to configure a new first target resource to the first terminal.
  • the first terminal acquires resource configuration information.
  • the first terminal Since the first terminal needs to send the first message on the target subband, the first terminal needs to acquire the information of the target subband.
  • the target subband is the primary subband
  • the first terminal receives the information of the primary subband transmitted by the network side device through the broadcast channel, or the first terminal obtains the information of the primary subband in the preconfigured information, so the first terminal obtains the primary subband.
  • the manner of information is not limited here.
  • the corresponding resource configuration information further includes information of the target secondary sub-band.
  • the first terminal can obtain information about the target secondary sub-band, including:
  • the first terminal acquires the information of the target secondary sub-band in the pre-configuration information, and the information of the target secondary sub-band may be the specific information or the mapping relationship of the target secondary sub-band; 2.
  • the first terminal receives the broadcast of the network-side device through the broadcast.
  • the information of the target sub-sub-band to be transmitted by the channel, and the information of the target sub-sub-band may be the specific information or the mapping relationship of the sub-sub-band. It should be noted that when the mapping relationship is configured by the network-side device, the mapping relationship may be Changed or dynamically changed, which is not limited here. Therefore, in the actual application, the manner in which the first terminal acquires the information of the target secondary sub-band is not limited herein.
  • the first terminal may be a wireless terminal, an intelligent terminal, another terminal supporting a sidelink, a relay terminal, and the like, which are not limited herein.
  • the first terminal determines a target resource.
  • the first terminal After acquiring the resource configuration information, the first terminal determines that the target resource further sends the first message to the second terminal by using the target resource. After the first terminal receives the first signaling sent by the network side device, the first signaling is used at least to the first terminal. The terminal configures a second target resource on the primary subband, and the second target resource is used by the first terminal to send the first message on the primary subband.
  • the target resource further includes a resource that is used by the first terminal to send the first message on the target secondary sub-band, that is, the first target resource. Therefore, the first terminal also needs to determine the first target resource.
  • the method and the content of the resource configuration information obtained by the first terminal are different, and the content of the first signaling is also multiple.
  • the manner in which the first terminal determines the first target resource is also included, including:
  • the first terminal determines the first target resource by using the first signaling and the mapping relationship
  • the first signaling is used to configure the second target resource on the primary subband, and the first terminal determines, by using the first signaling, the second target resource on the primary subband, and the resource configuration obtained by the first terminal
  • the first terminal finds the first target resource corresponding to the second target resource in the mapping relationship, where the mapping relationship is pre-configured or sent by the network side device through the broadcast channel.
  • the first terminal determines the first target resource by using the first signaling.
  • the first terminal may obtain the first target resource directly from the first signaling, where the first target resource Configured by the network side device.
  • the first signaling when the first signaling is further used to configure the first target resource on the target secondary sub-band to the first terminal, the first signaling is sent by the network side device to the first terminal but not to the second
  • the second terminal does not know the first target resource, and the first terminal sends the first message sent by the first terminal by using the first target resource, in the first message sent by the first terminal on the primary sub-band.
  • Carrying indication information the indication information is used to indicate the first target resource to the second terminal.
  • the manner in which the first terminal obtains the resource used by the first terminal to send the first message is not limited herein.
  • the first terminal sends the first message by using the target resource on the target subband.
  • the first message is sent on the determined target resource, where the target sub-band is the primary sub-band, the target resource is the second target resource, and the second target resource is the first terminal in the main sub-band The resource used to send the first message.
  • the target resource further includes a resource used by the first terminal to send the first message on the target secondary sub-band, that is, the first target resource. Therefore, the first terminal sends the first message on the primary sub-band through the second target resource, and sends the first message on the target secondary sub-band through the first target resource. As shown in FIG. 4, the first terminal periodically transmits a first message on the primary sub-band and the secondary sub-band.
  • the available bandwidth is equally divided into one primary sub-band and four secondary sub-bands, and three A terminal, which is a relay UE1, a relay UE2, and a relay UE3, respectively, sends a resource request to the network side device, where the resource request is used to request the network side device to configure the resource used for sending the first message.
  • the network side device allocates three orthogonal resource blocks in the subframe of the primary subband for the three first terminals, and respectively numbers the resource blocks 1 to 3, and the first terminals periodically send on the primary subband.
  • the first message has a mapping relationship between the resource block on the primary subband and the sequence number of the secondary subband.
  • the first terminal sends the corresponding message to the corresponding secondary subband, for example, RelayUE1 is in the After the first message is sent on the primary sub-band resource block 1, it continues to be periodically transmitted for a period of time at the location specified by the secondary sub-band 1, and then the above process is repeated.
  • the second terminal acquires resource configuration information.
  • the second terminal Since the second terminal needs to receive the first message sent by the first terminal on the target subband, the second terminal acquires information of the target subband.
  • the target subband is the primary subband
  • the second terminal receives the main sent by the network side device through the broadcast channel.
  • the information of the sub-band, or the information of the primary sub-band obtained by the second terminal in the pre-configured information, and the manner in which the second terminal obtains the information of the primary sub-band is not limited herein.
  • the corresponding resource configuration information further includes information of the target secondary sub-band.
  • the second terminal can obtain information about the target secondary sub-band, including:
  • the second terminal acquires the information of the target secondary sub-band in the pre-configuration information, where the information of the target secondary sub-band can be the specific information or the mapping relationship of the target secondary sub-band; 2.
  • the second terminal receives the broadcast of the network-side device.
  • the information of the target sub-sub-band to be transmitted by the channel, and the information of the target sub-sub-band may be the specific information or the mapping relationship of the sub-sub-band. It should be noted that when the mapping relationship is configured by the network-side device, the mapping relationship may be Changed or dynamically changed, which is not limited here. Therefore, in the actual application, the manner in which the second terminal acquires the information of the target secondary sub-band is not limited herein.
  • the second terminal when the second terminal is out of the coverage of the network side device, the second terminal cannot directly receive the message sent by the network side device, so when the configuration information is sent by the network side device through the broadcast channel, For the second terminal, the configuration information is replaced by the pre-configuration information.
  • the second terminal may be a wearable device, an IoT device, another terminal that supports the sidelink, or a remote terminal, and is not limited herein.
  • the second terminal determines a primary subband.
  • the second terminal After acquiring the resource configuration information, the second terminal determines the primary subband according to the information of the primary subband included in the resource configuration information.
  • the second terminal can determine the primary subband by the location of the primary subband in the frequency domain. It should be noted that, in an actual application, the manner in which the second terminal determines the primary subband is different. For example, if the resource configuration information further includes the identifier of the primary subband, the second terminal finds the primary subband by using the identifier of the primary subband. Or the resource configuration message further includes an offset of the primary subband in the frequency domain and the fixed frequency domain location in the frequency domain, and the second terminal determines the primary subband according to the offset. Therefore, the manner in which the second terminal determines the primary sub-band is not limited herein.
  • the second terminal receives, by using the resource configuration information, the first message sent by the first terminal on the primary subband.
  • the second terminal may determine the primary subband on the primary subband by using the offset of the primary subband resource in the resource configuration information from the start position of the SFN or DFN in the time domain and the period of the resource on the primary subband.
  • the location information of the resource, the primary subband resource is a resource used by the first terminal on the primary subband, so the second terminal receives the first message sent by the first terminal by using the location information of the primary subband resource at the corresponding location on the primary subband.
  • the first terminal may be multiple terminals.
  • the second terminal determines the target terminal.
  • the second terminal After receiving the first message sent by the first terminal, the second terminal demodulates the received first message, and obtains information about the first terminal carried in the first message, for example, a public land mobile network (Public)
  • Public The information of the Land Mobile Network (PLMN), the identifier of the first terminal, and the received signal strength of the first message, and the second terminal selects the first terminal that meets the preset condition as the target terminal. For example, the second terminal selects the first terminal corresponding to the first message with the highest received signal strength as the target terminal.
  • the second terminal acquires the integrated channel quality of the first terminal, and the integrated channel quality is used by the first terminal and the network side device for communication.
  • the quality of the channel and the channel quality of the channel quality of the first terminal and the second terminal user are lower, and the second terminal determines that the terminal with the highest integrated channel quality in the first terminal is the target terminal.
  • the second terminal can select the first The first terminal whose received signal strength of the message exceeds a preset threshold and has been associated with the second terminal serves as a target terminal. Therefore, the manner in which the second terminal determines the target terminal is not limited herein.
  • the second terminal determines a target secondary sub-band.
  • the second terminal After determining the target terminal, the second terminal needs to determine a target secondary sub-band corresponding to the target terminal, to receive the first message sent by the first terminal on the target secondary sub-band. It should be noted that, in practical applications, there are multiple ways for the second terminal to determine the target secondary sub-band, including:
  • the second terminal determines the target secondary sub-band by the mapping relationship between the primary sub-band resource and the corresponding secondary sub-band resource, and the information of the primary sub-band;
  • the second terminal After the second terminal obtains the resource configuration information, if the resource configuration information includes the mapping relationship and the information of the primary subband, the mapping relationship and the information of the primary subband can be obtained through the broadcast channel or the preconfigured information by the network side device. Obtained, the second terminal finds in the mapping relationship
  • the second terminal determines the target secondary sub-band according to the indication information
  • the target resource on the target secondary sub-band is the first terminal.
  • the target secondary sub-band transmits the resource of the first message, and the indication information is added by the first terminal in the first message, so the second terminal finds the sub-band corresponding to the target resource on the target secondary sub-band as the target secondary sub-sub band.
  • the second terminal determines the target secondary sub-band according to the specific information of the target secondary sub-band.
  • the specific information of the target secondary sub-band is included.
  • the method includes at least one of: a time-frequency resource location of the secondary sub-band, a size of the occupied resource, or a transmission period of the signal on the secondary sub-band, and the second terminal determines the target secondary sub-band by using specific information of the target secondary sub-band.
  • the second terminal receives the first message in the target secondary sub-band.
  • the second terminal After the second terminal determines the target secondary sub-band, the second terminal receives the first message sent by the first terminal according to the location of the first target resource on the target secondary sub-band, so as to measure the quality of the signal by using the first message.
  • the first target resource is a resource used by the first terminal to send the first message on the target secondary sub-band, and the location of the first target resource may be preset, or may be sent by the network side device through the broadcast channel, and
  • the indication information carried by the first information sent by the first terminal on the primary sub-band is determined, where the indication information is used to indicate the location of the first target resource, so the manner of obtaining the location of the first target resource is not specifically here. Make a limit.
  • the second terminal measures a signal quality according to the first message received on the secondary subband.
  • the second terminal detects the first message received on the secondary subband, and obtains an actual signal quality parameter of the first message.
  • the signal quality parameter is a signal received power
  • the actual signal received power is compared with a reference signal received power. To measure the signal quality of the first terminal.
  • the second terminal may also measure the signal quality by the process of receiving the first information, such as whether the reference value is satisfied according to the bit error rate or the signal to noise ratio. Therefore, the measurement method is not limited herein.
  • the second terminal continues to receive the first message on the primary subband.
  • the second terminal If the signal strength of the target terminal is lower than the preset threshold, the second terminal returns to the primary sub-band from the target secondary sub-band to continue receiving the first message, and demodulates the received first message to re-determine the new target. Terminal until the new one is determined If the signal strength of the target terminal is greater than the preset threshold, the jump to the secondary sub-band corresponding to the new target terminal receives the first message sent by the first terminal.
  • the second terminal there are multiple triggering modes for triggering the second terminal to return to the primary sub-band, and the second terminal acquiring a periodic instruction, where the periodic instruction may be pre-configured or sent by the network side device through a broadcast channel, where The periodic instruction is used to indicate that the second terminal performs periodic switching between the primary sub-band and the secondary sub-band, and the second terminal continues to receive the first message on the primary sub-band by using the periodic instruction, and demodulates the received first message. Then, the first terminal corresponding to the first message (such as the strongest signal strength) is selected as a new target terminal, and then jumps to the secondary sub-band corresponding to the new target terminal to continue receiving the first message. The cycle is repeated. Or setting a timer. When the timer indicates that the set duration is reached, the second terminal continues to receive the first message on the primary subband. Therefore, the trigger mode of the second terminal in the primary sub-band is not limited herein.
  • the network side device divides the available bandwidth used for communication between the first terminal and the second terminal to obtain a primary subband and at least one secondary subband, and the first terminal respectively puts the first message into the primary sub-device.
  • the transmission of the band and the sub-band can reduce the load of the main sub-band and at the same time reduce the in-band leakage interference between the first terminals.
  • the available bandwidth for communication between the first terminal and the second terminal is divided into one primary sub-band and at least one secondary sub-band. In actual applications, the available bandwidth can also be divided into multiple.
  • another embodiment of the resource configuration method and the terminal communication method in the embodiment of the present application includes:
  • the network side device divides the available bandwidth into multiple primary subbands and multiple secondary subbands.
  • a plurality of terminals select a resource to transmit a first message on an available broadband
  • the available bandwidth is a frequency band used for communication between terminals.
  • the network side device divides the available bandwidth to obtain a first primary subband, at least one first secondary subband associated with the first primary subband, a second primary subband, and at least one second secondary subband associated with the second primary subband.
  • the bandwidth of the first primary subband is the same as the bandwidth of the at least one first secondary subband
  • the bandwidth of the second primary subband is the same as the bandwidth of the at least one second secondary subband
  • the bandwidth of the first primary subband and the second primary subband The bandwidth is different, that is, there is a mapping relationship between the primary subband and the secondary subband of the same bandwidth.
  • the subbands of different bandwidths are divided in the available bandwidth, wherein the subbands of different bandwidths include the subband of 6 PRB bandwidth.
  • the sub-bands corresponding to the same bandwidth may be in a continuous frequency domain resource location or in a discontinuous frequency domain resource location, which is not limited herein.
  • subbands of different bandwidths may be divided in the time domain or all in the frequency domain, and subbands of different bandwidths may also be divided by time division multiplexing, as shown in FIG.
  • the subband of the 6 PRB bandwidth and the subband of the 1 PRB bandwidth coexist on the available bandwidth
  • the subband of the 6 PRB bandwidth may be divided in the time domain in a certain frequency band
  • the subband of the 1 PRB bandwidth may be divided at a certain time interval.
  • the internal frequency domain is divided, so the specific division manner is not limited herein.
  • the resource configuration information is configured, where the resource configuration information includes at least information of each primary subband, and the information of each primary subband may specifically include at least one of the following information: the primary subband resource is in the time domain. The offset from the SFN start position or the DFN start position, the time domain resources included in each resource period on the primary subband, The period in which the primary subband carries resources, the location of the primary subband in the frequency domain, and the size of the resources occupied by the primary subband in the frequency domain.
  • the resource configuration information may further include information about each sub-subband, where the information of each sub-subband may include at least one of the following information: a time-frequency domain resource location of the secondary sub-band, and a secondary sub-band The size of the resource occupied in the frequency domain, the period of the resource on the primary sub-band, and the transmission period of the signal on the secondary sub-band.
  • each sub-sub-band is a mapping relationship
  • the resource configuration information may include information that the terminal receives the resource pool (for example, a time-frequency resource location of the resource pool), a time period during which the resource on the target subband can be used, and the like. No restrictions are imposed.
  • the network side device divides the available bandwidth into several sub-bands by using steps 501 and 502, and configures resource configuration information.
  • the available bandwidth division and resource configuration information may be pre-configured. Configuration, specifically here is not limited.
  • the network side device sends the resource configuration information by using a broadcast channel.
  • step 503 is similar to step 303 of FIG. 3, and details are not described herein again.
  • the network side device receives a first resource request sent by the first relay terminal.
  • the network side device receives a second resource request sent by the second relay terminal.
  • the step 504 of the network side device receiving the first resource request sent by the first relay terminal is similar to the step 304 of FIG. 3, and details are not described herein again;
  • the step 505 of the network side device receiving the second resource request sent by the second relay terminal is similar to the step 304 of FIG. 3, and details are not described herein again.
  • the network side device receives the resource request sent by the first relay terminal in step 504, and receives the resource request sent by the second relay terminal in step 505, where step 504 and step 505 are performed.
  • the execution is not limited to the sequence, that is, the step 504 may be performed first, or the step 505 may be performed first, or the steps 504 and 505 may be performed at the same time.
  • the order between 503, 504 and 505 is not limited.
  • the network side device sends the second signaling to the first relay terminal.
  • the network side device sends the third signaling to the second relay terminal.
  • the step 506 of the network side device transmitting the second signaling to the first relay terminal and the step 507 of the network side device sending the second signaling to the second relay terminal are similar to the step 305 of FIG. 3, where I won't go into details here.
  • the first relay terminal acquires resource configuration information.
  • the step 508 of the first relay terminal acquiring the resource configuration information is similar to the step 304 of FIG. 3, and details are not described herein again.
  • the second relay terminal acquires resource configuration information.
  • the step 509 of acquiring the resource configuration information by the second relay terminal is similar to the step 304 of FIG. 3, and details are not described herein again.
  • the first relay terminal determines a third target resource.
  • the second relay terminal determines a fourth target resource.
  • the step 510 of the first relay terminal determining the target resource and the step 511 of the second relay terminal determining the target resource are similar to the step 307 of FIG. 3, and details are not described herein again.
  • the first relay terminal sends the first message by using the third target resource on the first target subband.
  • the second relay terminal sends the first message by using the fourth target resource on the second target subband.
  • the first relay terminal sends a first message by using the third target resource on the first target sub-band, and the second relay terminal sends the fourth target resource on the second target sub-band.
  • Step 513 of a message is similar to 308 of FIG. 3 and will not be described again here.
  • FIG. 8 a schematic diagram of periodically transmitting a first message for a first relay terminal and a second relay terminal.
  • the available bandwidth is divided into two main sub-bands and multiple sub-sub-subs
  • the primary subband includes a primary subband of 6 PRB bandwidths, and also includes a primary subband of 1 PRB bandwidth.
  • the secondary subband also includes a secondary subband of 6 PRB bandwidths and a secondary subband of 1 PRB bandwidth.
  • Three orthogonal resource blocks are allocated at a certain time interval of the primary sub-band of the six PRB bandwidths, and may be numbered as resource block 1 to resource block 3; and the second relay terminal Relay UE 4 with a working bandwidth of 1 PRB
  • the Relay UE 5 and the Relay UE 6 send a resource request to the network side device to send the first message, and the network side device is the frequency domain of the three second relay terminals in a time interval of the primary subband of one PRB bandwidth.
  • Resource blocks of consecutive three subframes of the same location may be numbered as resource block 4 to resource block 6, and each relay terminal periodically transmits the first message on the corresponding primary subband, and the primary subband of the six PRB bandwidths
  • the resource block has a mapping relationship with the sequence number of the corresponding secondary sub-band. Therefore, Relay UEs 1 to 3 send the first message on the primary sub-band of the six PRB bandwidths, and then send them to the corresponding six sub-bands of the PRB bandwidth. . For example, after transmitting the first message on resource block 1, Relay UE 1 continues to transmit for a period of time at the location specified by the secondary sub-band of the six PRB bandwidths, and then repeats the above process.
  • the resource blocks on the primary subband of one PRB bandwidth are also mapped to the sequence numbers of the corresponding secondary subbands. Therefore, Relay UEs 4-6 send the first message on the primary subband of one PRB bandwidth, and then respectively go to The corresponding sub-band of one PRB bandwidth is transmitted on the sub-band. For example, after transmitting the first message on the resource block 5, the Relay UE 5 continues to transmit periodically for a period of time at the location specified by the sub-band of one PRB bandwidth, and then repeats the above process.
  • the remote terminal acquires resource configuration information.
  • the step of acquiring the resource configuration information by the remote terminal is similar to the step 309 of FIG. 3, and details are not described herein again.
  • the remote terminal determines a first primary subband and a second primary subband.
  • the step of determining the first primary subband by the remote terminal and the step of determining the second primary subband by the remote terminal are similar to the step 310 of FIG. 3, and details are not described herein again.
  • the remote terminal receives the first message sent by the first relay terminal on the first primary sub-band according to the resource configuration information, and receives the first message sent by the second relay terminal on the second primary sub-band.
  • the remote terminal receives the first message sent by the first relay terminal on the first primary sub-band according to the resource configuration information, and the remote terminal receives the second information on the second primary sub-band according to the resource configuration information.
  • the steps of the first message sent by the relay terminal are similar to the step 311 in FIG. 3, and details are not described herein again.
  • the remote terminal determines the first target terminal and the second target terminal.
  • the first target terminal is included in the first relay terminal, and the second target terminal is included in the second relay terminal.
  • the remote terminal determines the first target terminal, and the remote terminal determines the second target.
  • the steps of the terminal are similar to the step 312 of FIG. 3, and details are not described herein again.
  • the remote terminal determines a target first sub-subband and a target second sub-subband
  • the remote terminal determines a target first secondary sub-band, the target first secondary sub-band corresponds to the first target terminal, and the remote terminal determines the target second secondary The second secondary sub-band of the target corresponds to the second target terminal.
  • the step of determining the target first sub-sub-band and the step of determining the target second sub-sub-band are similar to the step 313 of FIG. 3 , and details are not described herein again.
  • the remote terminal receives the first message on the target first secondary subband and the target second secondary subband, respectively.
  • step of the remote terminal receiving the first message on the target first secondary sub-band and the step of the remote terminal receiving the first message on the target second secondary sub-band are similar to step 314 in FIG. 3 . , will not repeat them here.
  • the subbands obtained by dividing the available bandwidth include a plurality of primary subbands, and the device of the embodiment of the present application is added in consideration of the fact that the device needs to support multiple devices with different working bandwidths in the same frequency band. Method to realize.
  • FIG. 3 and 5 illustrate the case where at least one primary subband and at least one secondary subband are included in the subband obtained by dividing the available bandwidth
  • FIG. 9 further divides the available bandwidth into a plurality of peer subbands. Be explained.
  • another embodiment of a resource configuration method and a terminal communication method in an embodiment of the present application includes:
  • the network side device divides the available bandwidth equally into a plurality of peer subbands.
  • the network side device divides the available broadband equally into a plurality of peer subbands, that is, the bandwidths of the plurality of peer subbands are the same, wherein the available bandwidth is a frequency band used for communication between the first terminal and the second terminal.
  • the network-side device configures resource configuration information, where the resource configuration information includes information about the plurality of peer sub-bands.
  • the information of the peer subband includes at least one of the following information: a subband division manner, a location and a period of resource allocation in the time domain, where the first message is a broadcast message.
  • the information of the sub-band may further include a sending manner of the first message, and the first message may be sent in multiple manners, including a full-bandwidth sending, a comb-sending mode, and a hopping sending mode. Not limited.
  • the full-wideband mode is used to indicate that the first terminal uses one or more peer sub-bands to transmit all resources in a time interval
  • the comb-sending mode is used to indicate that the first terminal uses one or more peer sub-bands.
  • the resources of the same resource location are sent in a time interval
  • the hop transmission mode is used to instruct the first terminal to use one or more peer subbands to send resources of different resource locations in different time intervals.
  • the information of the peer sub-band may further include a relationship between a bandwidth supported by the second terminal and a sending period of the corresponding first message, where the relationship may be used for the second terminal that is different in supported bandwidth, first When the terminal sends the first message, different transmission periods are used. For example, when the bandwidth supported by the second terminal is narrower than the IoT device, the first terminal sends the same. Use a longer transmission cycle.
  • the resource configuration information may include information that the terminal receives the resource pool (for example, a time-frequency resource location of the resource pool), a time period during which the resource on the target subband can be used, and the like. No restrictions are imposed.
  • the network side device divides the available bandwidth into a plurality of peer sub-bands by using steps 901 and 902, and configures resource configuration information.
  • the available bandwidth is divided and the resource configuration information is configured. It can be pre-configured, so it is not limited here.
  • the network side device sends resource configuration information by using a broadcast channel.
  • the network side device After the network side device configures the resource configuration information, the network side device sends the resource configuration information through the broadcast channel, so that the second terminal in the coverage of the first terminal and the network side device obtains the resource configuration information, where the resource configuration information includes a resource configuration information. Or information of a plurality of peer subbands, the information of the peer subband being used to determine the peer subband.
  • the network side device receives a resource request sent by the first terminal.
  • step 904 is similar to step 304 shown in FIG. 3, and details are not described herein again.
  • the network side device sends the first signaling to the first terminal.
  • the first signaling is sent to the first terminal, where the first signaling is used to configure resources on the one or more peer subbands to the first terminal, where the first A signaling includes at least a resource location and a number of transmissions.
  • the network side device configures resources on one or more peer subbands to the first terminal by using the first signaling, where the configuration may be dynamically configured. Or a fixed configuration is adopted, which is not limited herein.
  • the first terminal acquires resource configuration information.
  • the first terminal needs to send the first message by using the resources on the one or more peer sub-bands, so the first terminal needs to obtain the information of the one or more peer sub-bands. It should be noted that the first terminal obtains the resource configuration information in multiple manners, including obtaining the information from the pre-configured information, or receiving the resource configuration information sent by the network-side device through the broadcast channel, so the first terminal acquires the resource configuration information.
  • the method is not limited here.
  • the first terminal sends the first message by using the target resource on one or more peer subbands.
  • the first signaling is used to configure resources on the one or more peer sub-bands to the first terminal. Determining, by the first terminal, target resources on each peer sub-band according to the first signaling and resource configuration information, where the first terminal sends the first resource on the peer sub-bands on the one or more peer sub-bands Message.
  • the resource configuration information obtained by the first terminal may further include a sending manner of the first message, where the first terminal obtains the first message in multiple manners, for example, the pre-configured first message may be sent.
  • the first terminal extracts the sending manner of the first message from the information of the peer sub-band, so the specific obtaining manner is not limited herein.
  • the first terminal sends the first message by using one or more peer subbands for all resources in a time interval. As shown in FIG.
  • the network-side device allocates a time interval for each first terminal.
  • the resource blocks with the same number are corresponding to the same first terminal, so that the first terminal sends the first message in the entire frequency band on one time interval, that is, the first terminal uses one or more peer sub-bands in one time interval. All resources send the first message.
  • the first terminal uses one or more peer sub-bands to send resources of the same resource location in one time interval.
  • the first message is a scenario in which the first terminal sends the first message by using a comb-like transmission manner, where the available frequency band is divided into six peer sub-bands, and the network-side device is at different time intervals.
  • a terminal allocates a transmission resource, wherein the same number of resource blocks correspond to the same first terminal, and it can be seen that, within one time interval, the same numbered resource blocks are located at the same resource location of each peer sub-band, that is, the first terminal
  • the first message is sent using one or more peer subbands of resources at the same resource location within a time interval.
  • the first terminal uses one or more peer sub-bands to send resources at different resource locations in different time intervals.
  • the first message is a scenario in which the first terminal sends the first message by using a hopping transmission mode, where the available frequency band is divided into six peer sub-bands, and the network side device can be configured or pre-configured.
  • the time-frequency hopping rule causes the first terminal to hop on all the peer sub-bands to send the first message.
  • the six first terminals follow a certain hop in the six peer sub-bands and six time intervals.
  • a variable rule hopping that is, a time domain location and a frequency domain location of a matching block corresponding to the same first terminal on one or more peer subbands are different, that is, the first terminal uses one or more peer subbands.
  • the first message is sent by resources of different resource locations in different time intervals. Further, the number of resource blocks used by the first terminal to send the first message in one time interval may be set to 1, as shown in FIG. 13, the available frequency band is divided into three peer sub-bands, in one time interval, each time The time domain and the frequency domain location of the resource block corresponding to the first terminal on the peer-to-peer sub-band are also different, so the first terminal sends the resources of different resource locations in different time intervals by the one or more peer sub-bands. The first message.
  • the second terminal acquires resource configuration information.
  • the second terminal needs to receive the first message sent by the first terminal on the resources on the one or more peer sub-bands, so the second terminal needs to obtain information about one or more peer sub-bands. It should be noted that the second terminal obtains the resource configuration information in multiple manners, including obtaining the information from the pre-configured information, or receiving the resource configuration information sent by the network-side device and sending the information through the broadcast channel, so the first terminal acquires the resource configuration information.
  • the method is not limited here.
  • the second terminal receives the first message sent by the first terminal on the target subband according to the resource configuration information.
  • the second terminal After the second terminal acquires the resource configuration information, the second terminal selects the target subband in the supported bandwidth, and receives the first message sent by the first terminal on the target subband according to the information of the target subband in the resource configuration information. .
  • the available resources are equally divided into a plurality of peer sub-bands, and multiple transmission modes are provided, so that the second terminal can receive the first message on any peer sub-band, so that the working frequency band is narrow.
  • the second terminal does not need to switch the operating frequency band, which reduces the power consumption of the second terminal.
  • an embodiment of the network side device in the embodiment of the present application includes:
  • the first sending unit 1401 is configured to send, by using a broadcast channel, resource configuration information, where the resource configuration information is used to configure a target subband, the resource configuration information includes information of a target subband, and the information of the target subband is used to determine The target sub-band, the target sub-band is at least one of a plurality of sub-bands of available resources, where the available resources are available bandwidth used for communication between the first terminal and the second terminal;
  • a second sending unit 1402 configured to send, to the first terminal, first signaling, where the first signaling is used to configure a target resource on the target subband to the first terminal, where the target resource is The first terminal is configured to send the first message on the target subband.
  • the network side device may further include:
  • the receiving unit 1403 is configured to receive a resource request sent by the first terminal.
  • the network side device may further include:
  • a dividing unit 1404 configured to divide the available resources into at least two sub-bands in a frequency domain
  • the configuration unit 1405 is configured to configure resource configuration information of at least one of the at least two subbands.
  • the subbands obtained by dividing the available bandwidth include multiple primary subbands, and the actual application needs to support multiple devices with different working bandwidths in the same frequency band, and increase The implementation of the embodiment of the present application.
  • an embodiment of a first terminal in this embodiment of the present application includes:
  • An acquiring unit 1501 configured to acquire resource configuration information, where the resource configuration information is used to configure a target subband, the resource configuration information includes information of a target subband, and the information of the target subband is used to determine the target subband
  • the target sub-band is at least one of a plurality of sub-bands of available resources, where the available resources are available bandwidth used for communication between the first terminal and the second terminal;
  • the first determining unit 1502 is configured to determine, according to the first signaling sent by the network side device, the resource, and the resource configuration information, where the first signaling is used by the first terminal to configure the first terminal to Target resources on the target subband;
  • the first sending unit 1503 is configured to send, by the first terminal, the first message by using the target resource on the target subband.
  • the obtaining unit 1501 may further include:
  • the obtaining sub-unit 15011 is configured to receive the resource configuration information sent by the network side device, or to obtain the resource configuration information from the pre-configuration information.
  • the terminal may further include:
  • the second sending unit 1504 is configured to carry the indication information in the first message sent by the primary subband, where the indication information is used to indicate the first target resource.
  • the first sending unit 1503 may further include:
  • a first sending subunit 15031 configured to send, by using the second target resource, the first message on the primary subband, where the second target resource is used by the first terminal to send the first message on the primary subband a message;
  • a second sending sub-unit 15032 configured to send, by using a first target resource, the first message on a target secondary sub-band, where the first target resource is used by the first terminal to send on the target secondary sub-band Said the first message.
  • the terminal may further include:
  • the obtaining unit 1505 is configured to obtain a sending manner of the pre-configured first message.
  • the obtaining unit is further configured to extract, from the information of the peer subband, a sending manner of the first message
  • the first sending unit 1503 includes:
  • a third transmitting subunit 15033 for using all of the one or more peer subbands in a time interval
  • the resource sends the first message, and the target resource is all resources of the one or more peer subbands in a time interval.
  • the terminal may further include:
  • the obtaining unit is configured to acquire a sending manner of the pre-configured first message
  • the obtaining unit is further configured to extract, from the information of the peer subband, a sending manner of the first message
  • the first sending unit 1503 includes:
  • a fourth sending sub-unit 15034 configured to send, by using the resource of the same resource location in the one or more peer sub-bands, the first message to the second terminal, where the target resource is One or more peers bring all resources in a time interval.
  • the first sending unit 1503 may further include:
  • the fifth sending subunit 15035 is configured to send the first message to the second terminal by using resources of different resource locations of different peer subbands in different time intervals.
  • the subbands obtained by dividing the available bandwidth include a plurality of primary subbands, and the device of the embodiment of the present application is added in consideration of the fact that the device needs to support multiple devices with different working bandwidths in the same frequency band. Method to realize.
  • an embodiment of a second terminal in this embodiment of the present application includes:
  • a first acquiring unit 1601 configured to acquire resource configuration information, where the resource configuration information is used to configure a target subband, the resource configuration information includes information of a target subband, and the information of the target subband is used to determine the target a subband, the target subband being at least one of a plurality of subbands of available resources, where the available resources are available bandwidth used for communication between the first terminal and the second terminal;
  • the first receiving unit 1602 the second terminal receives the first message sent by the first terminal on the target subband according to the resource configuration information.
  • the first obtaining unit 1601 may further include:
  • the obtaining sub-unit 16011 is configured to receive the resource configuration information sent by the network side device, or to obtain the resource configuration information from the pre-configuration information.
  • the terminal may further include:
  • the first determining unit 1603 is configured to determine a target terminal from the first terminal.
  • the first determining unit 1603 may further include:
  • the determining subunit 16031 is configured to determine that the terminal (the one with the highest received signal strength) is received in the first terminal as the target terminal.
  • the terminal may further include:
  • the second receiving unit 1604 is configured to receive the first message on a target secondary sub-band corresponding to the target terminal.
  • the terminal may further include:
  • a second determining unit 1605 configured to determine, by using a mapping relationship between the primary subband resource and the corresponding secondary subband resource, and the information of the primary subband, the mapping relationship is preconfigured, or Transmitted by the network side device;
  • the indication information is used to indicate a target resource on the target secondary subband, and the target resource is used for the
  • the first terminal sends the first message on the target secondary sub-band, and is configured to determine the target secondary sub-band according to the indication information
  • the information of the secondary sub-band is pre-configured, or is sent by the network side device.
  • the terminal may further include:
  • the third receiving unit 1606 is configured to continue to receive the first message on the primary subband when the signal strength of the target terminal is lower than a preset threshold.
  • the terminal may further include:
  • the determining unit 1607 is configured to determine whether the preset repeated receiving condition is met
  • the fourth receiving unit 1608 is configured to continue to receive the first message on the primary subband if yes.
  • the available resources are equally divided into a plurality of peer sub-bands, and multiple transmission modes are provided, so that the second terminal can receive the first message on any peer sub-band, so that the working frequency band is narrow.
  • the second terminal does not need to be in the operating frequency band, reducing the power consumption of the second terminal.
  • an embodiment of a terminal in this embodiment of the present application includes:
  • FIG.a is a schematic block diagram of the structure of the terminal provided by the embodiment of the present application, with reference to Figure 17.a.
  • Fig. 17.a shows a possible structural diagram of the terminal involved in the above embodiment.
  • the terminal 1700 includes a processing unit 1702 and a communication unit 1703.
  • the processing unit 1702 is configured to control and manage the actions of the terminal.
  • the processing unit 1702 is configured to support the terminal to perform steps 202 to 208 in FIG. 2, and/or other processes for the techniques described herein.
  • the communication unit 1703 is configured to support communication between the terminal and other network entities.
  • the terminal may further include a storage unit 1701 for storing program codes and data of the terminal.
  • the processing unit 1702 may be a processor or a controller, such as a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application-specific integrated circuit (Application-Specific). Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor can also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication unit 1703 can be a communication interface, a transceiver, a transceiver circuit, etc., wherein the communication interface is a collective name and can include one or more interfaces, such as a transceiver interface.
  • the storage unit 1701 may be a memory.
  • the flow scheduling device When the processing unit 1702 is a processor, the communication unit 1703 is a communication interface, and the storage unit 1701 is a memory, the flow scheduling device according to the embodiment of the present application may be the terminal shown in FIG. 17.b.
  • the terminal 1710 includes a processor 1712, a communication interface 1713, and a memory 1711.
  • the terminal 1710 may further include a bus 1714.
  • the communication interface 1713, the processor 1712, and the memory 1711 may be connected to each other through a bus 1714;
  • the bus 1714 may be a Peripheral Component Interconnect (PCI) bus or an extended industry standard structure (Extended Industry Standard) Architecture, EISA) bus, etc.
  • PCI Peripheral Component Interconnect
  • EISA Extended Industry Standard
  • the bus 1714 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 17.b, but it does not mean that there is only one bus or one type of bus.
  • FIG. 18 is a schematic block diagram showing the structure of a network side device provided by an embodiment of the present application.
  • the network side device 1800 may generate a large difference due to different configurations or performances, and may include one or more central processing units (CPUs). 1801 (eg, one or more processors) and memory 1609, one or more storage media 1808 that store application 1807 or data 1806 (eg, one or one storage device in Shanghai). Among them, the memory 1809 and the storage medium 1808 may be short-term storage or persistent storage.
  • the program stored on storage medium 1808 may include one or more modules (not shown), each of which may include a series of instruction operations in the network side device. Still further, the processor 1801 can be configured to communicate with the storage medium 1808 to perform a series of instruction operations in the storage medium 1808 on the network side device 1800.
  • Network side device 1800 may also include one or more power supplies 1802, one or more wired or wireless network interfaces 1803, one or more input and output interfaces 1804, and/or one or more operating systems 1805, such as WindoWs Server, Mac OS X, Unix, Linux, FreeBSD, and more.
  • power supplies 1802 one or more wired or wireless network interfaces 1803, one or more input and output interfaces 1804, and/or one or more operating systems 1805, such as WindoWs Server, Mac OS X, Unix, Linux, FreeBSD, and more.
  • operating systems 1805 such as WindoWs Server, Mac OS X, Unix, Linux, FreeBSD, and more.
  • the steps performed by the network side device in the foregoing method embodiment may be based on the network side device structure shown in FIG. 18.
  • the processor 1801 is further configured to perform step 204 in FIG. 2, and details are not described herein again.
  • the processor 1801 is further configured to perform step 211 in FIG. 2, and details are not described herein again.
  • the processor 1801 is further configured to perform step 216 in FIG. 2, and details are not described herein again.
  • the steps of the method or algorithm described in connection with the disclosure of the embodiments of the present application may be implemented in a hardware manner, or may be implemented by a processor executing software instructions.
  • the software instructions can be composed of corresponding software modules, which can be stored in random access memory (RAM), flash memory, read only memory (ROM), and erasable programmable read only memory (Erasable).
  • PROM Programmable ROM
  • EEPROM electrically erasable programmable read only memory
  • registers hard disk, removable hard disk, compact disk read only (CD-ROM) or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor to enable the processor to read information from, and write information to, the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and the storage medium may be located in an Application Specific Integrated Circuit (ASIC). Additionally, the ASIC can be located in a control plane network element or a user plane network element. Of course, the processor and the storage medium may also exist as discrete components in the control plane network element or the user plane network element.
  • ASIC Application Specific Integrated Circuit
  • the computer program product includes one or more computer instructions.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored In a computer readable storage medium, or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be wired (eg, coaxial) from a website site, computer, server, or data center Cable, fiber, Digital Subscriber Line (DSL) or wireless (eg infrared, wireless, microwave, etc.) to another website, computer, server or data center.
  • DSL Digital Subscriber Line
  • wireless eg infrared, wireless, microwave, etc.
  • the computer readable storage medium can be any available media that can be stored by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (such as a Solid State Disk (SSD)) or the like.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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

Abstract

La présente invention concerne un procédé de configuration de ressource, un procédé de communication de terminal et un dispositif associé, qui sont utilisés pour éviter la recherche de bande de fréquence complète d'un second terminal, et réduire la consommation d'énergie du second terminal. Le procédé de configuration de ressource dans les modes de réalisation de la présente invention comprend : par un dispositif côté réseau, l'envoi d'informations de configuration de ressource par l'intermédiaire d'un canal de diffusion, les informations de configuration de ressource comprenant des informations en ce qui concerne une sous-bande cible, les informations en ce qui concerne la sous-bande cible étant utilisées pour déterminer la sous-bande cible, la sous-bande cible étant au moins l'une parmi plusieurs sous-bandes obtenues en divisant une ressource disponible, et la ressource disponible étant une bande passante disponible utilisée pour une communication entre un premier terminal et un second terminal ; et, par le dispositif côté réseau, l'envoi d'une première signalisation au premier terminal, la première signalisation étant utilisée pour configurer une ressource cible pour le premier terminal, la ressource cible étant utilisée pour envoyer un premier message sur la sous-bande cible.
PCT/CN2017/078223 2017-03-25 2017-03-25 Procédé de configuration de ressource, procédé de communication de terminal et dispositif associé WO2018176183A1 (fr)

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CN201780064267.9A CN109845369B (zh) 2017-03-25 2017-03-25 一种资源配置的方法、终端通信的方法及相关设备
PCT/CN2017/078223 WO2018176183A1 (fr) 2017-03-25 2017-03-25 Procédé de configuration de ressource, procédé de communication de terminal et dispositif associé

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