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WO2018228177A1 - Procédé de transmission de demande de planification et équipement associé - Google Patents

Procédé de transmission de demande de planification et équipement associé Download PDF

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Publication number
WO2018228177A1
WO2018228177A1 PCT/CN2018/088848 CN2018088848W WO2018228177A1 WO 2018228177 A1 WO2018228177 A1 WO 2018228177A1 CN 2018088848 W CN2018088848 W CN 2018088848W WO 2018228177 A1 WO2018228177 A1 WO 2018228177A1
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WO
WIPO (PCT)
Prior art keywords
uplink channel
scheduling request
uplink
terminal device
channel
Prior art date
Application number
PCT/CN2018/088848
Other languages
English (en)
Chinese (zh)
Inventor
邵家枫
官磊
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.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2018228177A1 publication Critical patent/WO2018228177A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria

Definitions

  • the present application relates to the field of communications technologies, and in particular, to a method and a related device for transmitting a scheduling request.
  • a terminal device such as a mobile phone, a tablet, etc.
  • a network device to allocate an uplink channel resource for a scheduling request (SR) and The transmission period of the scheduling request.
  • the terminal device may send a scheduling request to the network device (such as an access network device such as a base station) through the uplink channel; the network device generates scheduling information after receiving the scheduling request, and sends the scheduling information to the terminal device. information.
  • the terminal device can send the uplink data according to the scheduling information. If the data volume of the terminal device has not been transmitted yet, the terminal device needs to wait for the next scheduling information.
  • the network device In the existing LTE-A system, the network device only allocates one resource for transmitting the uplink channel of the scheduling request to the terminal device.
  • the terminal device since there are various data service types, the terminal device may be configured by the network device with a plurality of resources for transmitting the uplink channel of the scheduling request. Therefore, how to send a scheduling request for a scenario in which there are multiple resources for transmitting an uplink channel of a scheduling request is an urgent problem to be solved.
  • the embodiment of the present application provides a method for transmitting a scheduling request and related equipment, which is beneficial for the terminal device to flexibly select one uplink channel to send a scheduling request from multiple uplink channels for sending a scheduling request according to requirements.
  • an embodiment of the present application provides a method for transmitting a scheduling request, where the method includes: determining, by a terminal device, at least one scheduling request; and selecting, by the terminal device, an uplink channel from the at least two uplink channels, the at least two uplink channels And configured to transmit a scheduling request, where the at least two uplink channels include a first uplink channel and a second uplink channel; and the terminal device sends the at least one scheduling request by using the selected uplink channel.
  • one uplink channel may be selected from the plurality of uplink channels, and one or more scheduling requests are sent to the network device through the selected uplink channel. It can be seen that, by implementing the method described in the first aspect, when there are multiple uplink channels, the terminal device can flexibly select one suitable uplink channel from the multiple uplink channels to send one or more scheduling requests according to requirements.
  • the attribute value of the first uplink channel is smaller than the attribute value of the second uplink channel
  • the attribute values of the first uplink channel and the second uplink channel include at least one of the following: the number of bits carried, the number of bit states carried, and modulation. The order, the code rate, and the number of scheduling requests carried.
  • the at least one scheduling request includes a scheduling request of the highly reliable service, and the terminal device may select the first uplink channel to send the at least one scheduling request.
  • the at least one scheduling request does not include the scheduling request of the highly reliable service, and the terminal device may select the second uplink channel to send the at least one scheduling request. It can be seen that, by implementing the implementation manner, the terminal device is configured to flexibly select a suitable uplink channel transmission scheduling request from the first uplink channel and the second uplink channel according to the service requirement of the scheduling request.
  • the first uplink channel and the second uplink channel include at least one of the following: a delay requirement corresponding to the first uplink channel is smaller than a delay requirement corresponding to the second uplink channel; and a priority ratio corresponding to the first uplink channel is The priority corresponding to the two uplink channels is high; the reliability corresponding to the first uplink channel is higher than the reliability corresponding to the second uplink channel; the quality of service QoS corresponding to the first uplink channel is higher than the QoS corresponding to the second uplink channel;
  • the transport block size corresponding to the channel is smaller than the transport block size corresponding to the second uplink channel; the subcarrier spacing of the resources occupied by the first uplink channel is greater than the subcarrier spacing of the resources occupied by the second uplink channel; and the resources occupied by the first uplink channel are The length of time is less than the length of the resource occupied by the second uplink channel; the power factor corresponding to the first uplink channel is greater than the power factor corresponding to the second uplink channel.
  • the first uplink channel can transmit a scheduling request for an emergency service
  • the second uplink channel can transmit a scheduling request for a non-emergency service. It can be seen that, by implementing the implementation manner, the terminal device is configured to flexibly select a suitable uplink channel transmission scheduling request from the first uplink channel and the second uplink channel according to the service requirement of the scheduling request.
  • the service corresponding to the first uplink channel is an ultra-reliable low-latency communication URLLC service.
  • the service corresponding to the second uplink channel is not a URLLC service.
  • the service corresponding to the second uplink channel may be an eMBB service or an mMTC service.
  • the selected uplink channel is the first uplink channel
  • the specific implementation manner that the terminal device sends the at least one scheduling request by using the selected uplink channel may be: the terminal device sends at least one scheduling request by using the transmission of the first uplink channel.
  • the terminal device indicates whether the network device sends at least one scheduling request by whether the transmission of the first uplink channel occurs. For example, the terminal device indicates that the network device sends at least one scheduling request by the transmission of the first uplink channel; the terminal device does not appear through the transmission of the first uplink channel, indicating that the network device has not sent at least one scheduling request.
  • the scheduling request here is a Positive scheduling request, that is, a scheduling request, indicating that there is a resource scheduling request. It can be understood that not sending a positive scheduling request is equivalent to sending a Negative negative scheduling request, indicating that there is no resource scheduling request.
  • the network device determines whether the transmission of the first uplink channel occurs by performing energy detection on the transmission of the first uplink channel. When the network device detects that the energy value or the sequence correlation peak of the first uplink channel is greater than or equal to a preset threshold, it is determined that the transmission of the first uplink channel occurs. When the network device detects that the energy value or the sequence correlation peak of the first uplink channel is less than a preset threshold, it is determined that the transmission of the first uplink channel does not occur. That is, when the network device detects that the energy value or the sequence correlation peak of the first uplink channel is greater than or equal to a preset threshold, the network device determines that at least one scheduling request is received.
  • the selected uplink channel is the first uplink channel
  • the specific implementation manner that the terminal device sends the at least one scheduling request by using the selected uplink channel may be: the terminal device sends the explicit bit by using the first uplink channel, where the explicit bit is used by the terminal device.
  • At least one scheduling request is indicated. That is, the network device needs to decode the data sent by the first uplink channel to obtain a bit status value, and determine the received scheduling request by the bit status value.
  • the terminal device can transmit one or more scheduling requests over the first uplink channel.
  • the selected uplink channel is a first uplink channel
  • the terminal device may further send an uplink transmission indication on the first uplink channel.
  • the uplink transmission indication may include a size of the transport block, and the network device knows the size of the transport block to allocate a suitable uplink scheduling resource to the terminal device. Therefore, the uplink transmission indication is transmitted through the first uplink channel, which is beneficial for the network device to allocate suitable uplink scheduling resources for the service, which is beneficial to reducing the service delay.
  • the uplink transmission indication may further include channel quality information, where the channel quality information is used to indicate channel quality, and the channel quality information may include a channel quality quantization value corresponding to the bandwidth and/or the bandwidth, where the bandwidth may be the most selected by the terminal device. Excellent bandwidth or optimal subband group.
  • the uplink transmission indication may further include a priority, where the priority is used to support whether the data scheduling is urgently prioritized.
  • the terminal device may send the at least one scheduling request and the uplink transmission indication by using the transmission of the first uplink channel.
  • the network device is facilitated to obtain the scheduling request and the uplink transmission indication more quickly.
  • the terminal device may send the explicit bit through the first uplink channel to send the at least one scheduling request and the uplink transmission indication, where the explicit bit is used to indicate the at least one scheduling request and the uplink transmission indication.
  • the terminal device can send multiple scheduling requests and uplink transmission indications through the first uplink channel.
  • the selected uplink channel is the second uplink channel
  • the specific implementation manner that the terminal device sends the at least one scheduling request by using the selected uplink channel may be: the terminal device sends the explicit bit through the second uplink channel, where the explicit bit is used. At least one scheduling request is indicated.
  • the terminal device can send multiple scheduling requests through the second uplink channel.
  • the uplink channel selected by the terminal device from the at least two uplink channels is the second uplink channel, and the terminal device may further send an uplink transmission indication on the second uplink channel.
  • the delay requirement of the service of the second uplink channel is higher than the delay requirement of the first uplink channel, and the amount of information that the second uplink channel can transmit is larger than the amount of information that can be transmitted by the first uplink channel. Therefore, the second uplink channel can transmit more data, and the second uplink channel can also transmit an uplink transmission indication.
  • the terminal device may send the explicit bit through the second uplink channel to send the at least one scheduling request and the uplink transmission indication, where the explicit bit is used to indicate the at least one scheduling request and the uplink transmission indication.
  • the terminal device can send multiple scheduling requests and uplink transmission indications through the second uplink channel.
  • the terminal device may select one uplink channel from the at least two uplink channels, where the terminal device may select one uplink channel from the at least two uplink channels according to the at least one scheduling request, and the at least one scheduling request corresponds to at least one A first information, the first information including at least one of a delay requirement, a priority, a reliability, a quality of service QoS, a transport block size, a subcarrier spacing of the resource, and a time length of the resource.
  • the terminal device can flexibly select at least one scheduling request by selecting one suitable uplink channel from the at least two uplink channels according to current service requirements.
  • the specific manner that the terminal device selects one uplink channel from the at least two uplink channels according to the at least one scheduling request may be: determining at least one first information corresponding to the at least one scheduling request, where the first information includes a delay. At least one of demand, priority, reliability, quality of service QoS, transport block size, subcarrier spacing of resources, and time length of resources; selecting one uplink from at least two uplink channels according to at least one first information channel.
  • the terminal device can flexibly select at least one scheduling request from a suitable one of the at least two uplink channels according to the current service requirement.
  • the specific implementation manner of selecting an uplink channel from the at least two uplink channels according to the at least one first information may be: selecting, according to the at least one first information, the at least one scheduling request, selecting from the at least two uplink channels.
  • An upstream channel For example, at least one of the first information has at least one of a delay requirement, a priority, a reliability, a quality of service QoS, a transport block size, a subcarrier spacing of the resource, and a time length of the resource of the first uplink channel. Matching the first information and transmitting only one scheduling request, selecting the first upstream channel. Otherwise, select another uplink channel to send at least one scheduling request.
  • the terminal device can flexibly select at least one scheduling request by selecting one suitable uplink channel from the at least two uplink channels according to current service requirements.
  • the specific implementation manner of selecting an uplink channel from the at least two uplink channels according to the at least one first information may be: if there is a delay requirement, a priority, and a priority of the first uplink channel in the at least one first information, The first uplink channel is selected by the first information matching at least one of reliability, quality of service QoS, transport block size, resource subcarrier spacing, and resource time length. Otherwise, select another uplink channel to send at least one scheduling request.
  • the terminal device can flexibly select at least one scheduling request by selecting one suitable uplink channel from the at least two uplink channels according to current service requirements.
  • the terminal device can flexibly select at least one scheduling request by selecting one suitable uplink channel from the at least two uplink channels according to current service requirements.
  • the terminal device may select one uplink channel from the at least two uplink channels according to the at least one scheduling request.
  • the terminal device may select, according to the service type corresponding to the at least one scheduling request, the at least two uplink channels.
  • An upstream channel For example, the at least one scheduling request includes a scheduling request of a URLLC service type, and the service type corresponding to the first uplink channel is a URLLC service type, and the terminal device selects the first uplink channel from the at least two uplink channels to send at least one scheduling request.
  • the terminal device can flexibly select at least one scheduling request by selecting one suitable uplink channel from the at least two uplink channels according to current service requirements.
  • the specific implementation manner of the terminal device selecting one of the at least two uplink channels may be: the terminal device selects from the at least two uplink channels according to the correspondence between the pre-stored scheduling request and the uplink channel.
  • At least one scheduling request corresponds to an uplink channel.
  • the terminal device may request the delay requirement and/or priority and/or reliability and/or quality of service and/or transport block size and/or subcarrier spacing of the resource and/or time of the resource according to the scheduling request.
  • the length is preset or configured according to the high layer signaling: the first scheduling request corresponds to the first uplink channel, the first scheduling request and the second scheduling request correspond to the second uplink channel, and the second scheduling request corresponds to the second uplink channel.
  • the terminal device selects the first uplink channel from the at least two uplink channels. And if the at least one scheduling request determined by the terminal device includes the first scheduling request and the second scheduling request, the terminal device selects the second uplink channel from the at least two uplink channels. If the at least one scheduling request determined by the terminal device includes only the second scheduling request, the terminal device selects the second uplink channel from the at least two uplink channels.
  • the terminal device can flexibly select at least one scheduling request by selecting one suitable uplink channel from the at least two uplink channels according to current service requirements.
  • time domain resources of at least two uplink channels overlap. It can be understood that if the time domain resources of at least two uplink channels do not overlap, the terminal device can separately use the at least two uplink channels to send a scheduling request without using channel selection to transmit.
  • one uplink channel can be selected from at least two uplink channels to send all scheduling requests that need to be sent, thereby avoiding loss of uplink transmission performance, and All scheduling requests that need to be sent can be sent to the network device in time.
  • the selected uplink channel is a first uplink channel
  • the terminal device may further determine, according to the first power factor, a transmit power of the first uplink channel.
  • the selected uplink channel is the second uplink channel
  • the terminal device may further determine, according to the second power factor, the transmit power of the second uplink channel. It should be noted that the value of the second power factor is smaller than the value of the first power factor.
  • the terminal device selects one uplink channel from the at least two uplink channels.
  • the at least two uplink channels may also be determined.
  • the embodiment of the present application provides a method for transmitting a scheduling request, where the method includes: the network device detects at least one uplink channel of at least two uplink channels, and at least two uplink channels are used to transmit a scheduling request, at least two The uplink channels include a first uplink channel and a second uplink channel; the network device receives at least one scheduling request on one of the at least two uplink channels.
  • the network device can receive one or more scheduling requests sent by the terminal device on one of the plurality of uplink channels. That is, after the terminal device determines one or more scheduling requests, one uplink channel may be selected from the plurality of uplink channels, and one or more scheduling requests are sent to the network device through the selected uplink channel. It can be seen that, by implementing the method described in the second aspect, when there are multiple uplink channels, the terminal device can flexibly select one suitable uplink channel from the multiple uplink channels to send one or more scheduling requests according to requirements.
  • the attribute value of the first uplink channel is smaller than the attribute value of the second uplink channel
  • the attribute values of the first uplink channel and the second uplink channel include at least one of the following: the number of bits carried, the number of bit states carried, and modulation. The order, the code rate, and the number of scheduling requests carried.
  • the at least one scheduling request includes a scheduling request of the highly reliable service, and the terminal device may select the first uplink channel to send the at least one scheduling request.
  • the at least one scheduling request does not include the scheduling request of the highly reliable service, and the terminal device may select the second uplink channel to send the at least one scheduling request. It can be seen that, by implementing the implementation manner, the terminal device is configured to flexibly select a suitable uplink channel transmission scheduling request from the first uplink channel and the second uplink channel according to the service requirement of the scheduling request.
  • the first uplink channel and the second uplink channel include at least one of the following: a delay requirement corresponding to the first uplink channel is smaller than a delay requirement corresponding to the second uplink channel; and a priority ratio corresponding to the first uplink channel is The priority corresponding to the two uplink channels is high; the reliability corresponding to the first uplink channel is higher than the reliability corresponding to the second uplink channel; the quality of service QoS corresponding to the first uplink channel is higher than the QoS corresponding to the second uplink channel;
  • the transport block size corresponding to the channel is smaller than the transport block size corresponding to the second uplink channel; the subcarrier spacing of the resources occupied by the first uplink channel is greater than the subcarrier spacing of the resources occupied by the second uplink channel; and the resources occupied by the first uplink channel are The length of time is less than the length of the resource occupied by the second uplink channel; the power factor corresponding to the first uplink channel is greater than the power factor corresponding to the second uplink channel.
  • the first uplink channel can transmit a scheduling request for an emergency service
  • the second uplink channel can transmit a scheduling request for a non-emergency service. It can be seen that, by implementing the implementation manner, the terminal device is configured to flexibly select a suitable uplink channel transmission scheduling request from the first uplink channel and the second uplink channel according to the service requirement of the scheduling request.
  • the service corresponding to the first uplink channel is an ultra-reliable low-latency communication URLLC service.
  • the service corresponding to the second uplink channel is not a URLLC service.
  • the service corresponding to the second uplink channel may be an eMBB service or an mMTC service.
  • the network device receives the at least one scheduling request on the first uplink channel
  • the specific implementation manner that the network device receives the at least one scheduling request on the first uplink channel may be: the appearance of the transmission of the network device by using the first uplink channel, Receive at least one scheduling request.
  • the network device determines whether the transmission of the first uplink channel occurs by performing energy detection on the transmission of the first uplink channel. When the network device detects that the energy value or the sequence correlation peak of the first uplink channel is greater than or equal to a preset threshold, it is determined that the transmission of the first uplink channel occurs. When the network device detects that the energy value or the sequence correlation peak of the first uplink channel is less than a preset threshold, it is determined that the transmission of the first uplink channel does not occur. That is, when the network device detects that the energy value or the sequence correlation peak of the first uplink channel is greater than or equal to a preset threshold, the network device determines that at least one scheduling request is received.
  • the network device may not know the received at least one scheduling request, and may know what scheduling request is sent by the terminal device, thereby facilitating the network device to obtain the scheduling request more quickly.
  • the network device receives the at least one scheduling request on the first uplink channel, and the network device receives the at least one scheduling request on the first uplink channel, where the network device receives the explicit bit carried by the first uplink channel.
  • the display bit is used to indicate at least one scheduling request.
  • the network device needs to decode the data sent by the first uplink channel to obtain a bit status value, and determine the received scheduling request by the bit status value.
  • the terminal device can transmit one or more scheduling requests through the first uplink channel.
  • the network device receives the at least one scheduling request on the first uplink channel, and the network device may further receive an uplink transmission indication on the first uplink channel.
  • the uplink transmission indication may include a size of the transport block, and the network device knows the size of the transport block to allocate a suitable uplink scheduling resource to the terminal device. Therefore, the uplink transmission indication is transmitted through the first uplink channel, which is beneficial for the network device to allocate suitable uplink scheduling resources for the service, which is beneficial to reducing the service delay.
  • the uplink transmission indication may further include channel quality information, where the channel quality information is used to indicate channel quality, and the channel quality information may include a channel quality quantization value corresponding to the bandwidth and/or the bandwidth, where the bandwidth may be the most selected by the terminal device. Excellent bandwidth or optimal subband group.
  • the uplink transmission indication may further include a priority, where the priority is used to support whether the data scheduling is urgently prioritized.
  • the network device may receive the at least one scheduling request and the uplink transmission indication by using the transmission of the first uplink channel.
  • the network device is facilitated to obtain the scheduling request and the uplink transmission indication more quickly.
  • the network device may receive the at least one scheduling request and the uplink transmission indication by receiving the explicit bit sent by the first uplink channel, where the explicit bit is used to indicate the at least one scheduling request and the uplink transmission indication.
  • the terminal device is configured to send multiple scheduling requests and uplink transmission indications by using the first uplink channel.
  • the network device receives the at least one scheduling request on the second uplink channel, and the network device receives the at least one scheduling request on the second uplink channel, where the network device receives the explicit bit carried by the second uplink channel.
  • the display bit is used to indicate at least one scheduling request.
  • the network device receives the at least one scheduling request on the second uplink channel, and the network device may further receive the uplink transmission indication on the second uplink channel.
  • the delay requirement of the service of the second uplink channel is higher than the delay requirement of the first uplink channel, and the amount of information that the second uplink channel can transmit is larger than the amount of information that can be transmitted by the first uplink channel. Therefore, the second uplink channel can transmit more data, and the second uplink channel can also transmit an uplink transmission indication.
  • the terminal device may send the explicit bit through the second uplink channel to send the at least one scheduling request and the uplink transmission indication, where the explicit bit is used to indicate the at least one scheduling request and the uplink transmission indication.
  • the terminal device is configured to send multiple scheduling requests and uplink transmission indications through the second uplink channel.
  • time domain resources of at least two uplink channels overlap.
  • one uplink channel can be selected from at least two uplink channels to send all scheduling requests that need to be sent, thereby avoiding loss of uplink transmission performance, and All scheduling requests that need to be sent can be sent to the network device in time.
  • the at least two uplink channels may also be determined.
  • a terminal device which can perform the method in the first aspect or the possible implementation manner of the first aspect.
  • This function can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • This module can be software and/or hardware.
  • a network device is provided, the network device being capable of performing the method of the second aspect or the possible implementation of the second aspect.
  • This function can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • This module can be software and/or hardware. Based on the same inventive concept, the principle and the beneficial effects of the network device for solving the problem can be referred to the foregoing second aspect or the possible implementation manners and beneficial effects of the second aspect, and the repeated description is not repeated.
  • a terminal device comprising: a processor, a memory, a communication interface, and one or more programs; the processor, the communication interface, and the memory are connected; wherein one or more programs are stored in the memory
  • the processor calls the program stored in the memory to implement the solution in the foregoing first aspect or the possible implementation manner of the first aspect, and the implementation manner and the beneficial effects of the terminal device solving the problem can be referred to the foregoing first aspect or the first
  • the possible implementations and beneficial effects on the one hand are not repeated here.
  • a network device comprising: a processor, a memory, a communication interface, and one or more programs; the processor, the communication interface, and the memory are connected; wherein one or more programs are stored in the memory
  • the processor calls the program stored in the memory to implement the solution in the foregoing second aspect or the possible implementation manner of the second aspect, and the implementation manner and the beneficial effects of the network device solving the problem can be referred to the foregoing second aspect or the The possible implementations and beneficial effects of the two aspects are not repeated here.
  • a communication system comprising: the terminal device of the third aspect and the network device of the fourth aspect.
  • a computer program product which, when run on a computer, causes the computer to perform the first aspect, the second aspect, any optional implementation of the first aspect, or any optional of the second aspect The way to achieve it.
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a method for transmitting a scheduling request according to an embodiment of the present application
  • FIG. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a network device according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of another terminal device according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of another network device according to an embodiment of the present application.
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present application.
  • the communication system includes a network device and one or more terminal devices, and the network device can communicate with the terminal device.
  • FIG. 1 is an example in which a network device communicates with two terminal devices. It can be understood that the network device can communicate with any number of terminal devices.
  • the communication system may be a public land mobile network (PLMN) network or a D2D (mevice to mevice) network or an M2M (machine to machine) network or other network.
  • PLMN public land mobile network
  • D2D device to mevice
  • M2M machine to machine
  • FIG. 1 is only a simplified schematic diagram of an example in the network. Other network devices may also be included, which are not shown in FIG.
  • the network device may be a device that communicates with the terminal device, for example, the network device may be an access network device or the like.
  • Each network device can provide communication coverage for a particular geographic area and can communicate with terminal devices (e.g., UEs) located within the coverage area (cell).
  • Network devices can support different standard communication protocols or can support different communication modes.
  • the network device may be a base transceiver station (BTS) in a GSM system or a CDMA system, or may be an access network device (NodeB, NB) in a WCDMA system, or may be an evolution in an LTE system.
  • BTS base transceiver station
  • NodeB NodeB
  • Type of access network device evolutional node B, eNB or eNodeB
  • the access network device may be an access in a future 5G network Network equipment, such as gNB or small station, micro station, TRP (transmission reception point), may also be a relay station, an access point or a future public land mobile network (PLMN) Network access equipment, etc.
  • the terminal device may refer to an access terminal, a user equipment (UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile terminal, a user terminal, Terminal, wireless communication device, user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), with wireless communication.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • Network equipment and terminal equipment can be deployed on land, indoors or outdoors, hand-held or on-board; they can also be deployed on the water; they can also be deployed on airborne aircraft, balloons and satellites.
  • the application scenarios of the network device and the terminal device are not limited in the embodiment of the present application.
  • the subcarrier spacing of the resources of the present application may be the subcarrier spacing of the logical channel, the subcarrier spacing occupied by the uplink channel, or the subcarrier spacing of the uplink resource, which is not limited in the present invention.
  • the length of the resource of the present application may be the length of the logical channel, the length of the logical channel, the length of time occupied by the uplink channel, or the length of the uplink resource.
  • the invention is not limited.
  • a logical channel is a channel used by a MAC (medium access control) layer to provide a data transmission service.
  • the logical channel is an interface channel between the MAC layer and the RLC (radio link control) layer.
  • the transport channel is a channel defined according to different transport formats, and access to the data transmission service is through the use of a transport channel.
  • the transport channel is the interface channel between the MAC layer and the physical layer.
  • the physical layer uses a transport channel to perform required operations such as channel coding interleaving.
  • the transmission channel has a certain mapping relationship with the logical channel. After the data transmission service is generated, it is first mapped to the logical channel, then the logical channel is mapped to the transmission channel, and then the transmission channel is sent to the uplink channel for data transmission.
  • Uplink channel The uplink channel of the physical layer, the uplink channel for transmitting data and/or control information in the air interface, and may be a physical uplink data channel or a physical uplink control channel.
  • FIG. 2 is a transmission method of a scheduling request according to an embodiment of the present application.
  • the transmission method of the scheduling request includes the following sections 201-205, wherein:
  • the terminal device determines at least one scheduling request.
  • the terminal device may determine one scheduling request, or multiple scheduling requests.
  • each scheduling request corresponds to a different service type.
  • eMBB enhanced mobile broadband
  • URLLC ultra reliable and Low latency communications
  • mMTC massive machine type communications
  • eMBB services include: ultra high definition video, augmented reality (AR), virtual reality (VR), etc.
  • AR augmented reality
  • VR virtual reality
  • the main features of these services are large amount of transmitted data and high transmission rate.
  • Typical URLLC services include: wireless control in industrial manufacturing or production processes, motion control of driverless cars and drones, and tactile interaction applications such as remote repair and remote surgery.
  • the main features of these services are ultra-reliable. Sex, low latency, less data transfer and burstiness.
  • Typical mMTC services include: smart grid distribution automation, smart city, etc.
  • the main features are huge number of networked devices, small amount of transmitted data, and insensitive data transmission delay.
  • These mMTC terminals need to meet low cost and very long standby. The demand for time.
  • the terminal device may need to perform one type of service or multiple types of services at the same time, and therefore, the terminal device may determine one or more scheduling requests. For example, if the terminal device currently only performs the URLLC service, the terminal device may determine a scheduling request for the URLLC service. If the terminal device performs the URLLC service and the eMBB service at the same time, the terminal device may determine a scheduling request of the URLLC service and a scheduling request of the eMBB service. If the terminal device currently performs the URLLC service, the eMBB service, and the mMTC service at the same time, the terminal device may determine a scheduling request of the URLLC service, a scheduling request of the eMBB service, and a scheduling request of the mMTC service.
  • the reliability in the present application may be the reception accuracy or the reception success rate, for example, 1-10e-5, or may be the reception error rate or the residual error block rate or the block error rate, for example, 10e-3.
  • the transmission delay in the present application may be the time of accurate transmission in the time period, and the time period may be the time from the arrival of the data to the MAC layer of the transmitting end to the accurate reception of the MAC layer of the receiving end, or the physical layer from the data to the transmitting end.
  • the time from the start of the physical layer of the receiving end to the receiving of the technology is also the time from the arrival of the data to the MAC layer of the transmitting end to the accurate receiving of the physical layer of the receiving end.
  • the definition of the time period is not limited in the present invention.
  • the value of the time period can be x ms (milliseconds) or y ⁇ s (microseconds), and x and y are positive numbers.
  • the URLLC service may include a Type 1 URLLC service, a Type 1 URLLC service, and a Type 3 URLLC service.
  • the type 1 URLLC service is a service with a reliability of 1-10e-5 and a transmission delay of 1ms or less.
  • the type 2 URLLC service is a service with a reliability of 1-10e-5 and a transmission delay of less than 2ms.
  • the Type 3 URLLC service is a service with a reliability of 1-10e-3 and a transmission delay of 1ms or less.
  • the terminal device may determine a scheduling request of the URLLC service of type 1, a scheduling request and type of the URLLC service of type 2 A scheduling request for the URLLC service of 3.
  • the terminal device selects one uplink channel from the at least two uplink channels.
  • the terminal device after determining, by the terminal device, the at least one scheduling request, selecting one uplink channel from the at least two uplink channels.
  • the at least two uplink channels are used to transmit a scheduling request, and the at least two uplink channels include a first uplink channel and a second uplink channel.
  • the terminal device selects one uplink channel from the at least two uplink channels.
  • the at least two uplink channels may also be determined.
  • the terminal device sends at least one scheduling request by using the selected uplink channel.
  • the terminal device after selecting an uplink channel from the at least two uplink channels, the terminal device sends the at least one scheduling request by using the selected uplink channel.
  • the uplink channel in the embodiment of the present application may be a physical uplink control channel (PUCCH), or a physical uplink channel that can carry a scheduling request, which is not limited by the present invention.
  • PUCCH physical uplink control channel
  • a scheduling request which is not limited by the present invention.
  • the uplink channel in the embodiment of the present application may also be a resource of an uplink channel.
  • the uplink channel in this embodiment of the present application may also be a resource of the PUCCH. That is, the terminal device selects resources of one uplink channel from resources of at least two uplink channels, and the terminal device sends at least one scheduling request on resources of the selected uplink channel.
  • the terminal device determines a scheduling request of the URLLC service, and the terminal device selects resources of one uplink channel from resources of the at least two uplink channels, and sends a scheduling request of the URLLC service on the resources of the selected uplink channel.
  • the terminal device determines a scheduling request of the URLLC service and a scheduling request of the eMBB service
  • the terminal device selects resources of one uplink channel from resources of the at least two uplink channels, and sends the resources of the uplink channel of the selected uplink channel. Scheduling request for URLLC service and scheduling request for eMBB service.
  • one uplink channel can simultaneously send one or more scheduling requests.
  • the network device detects at least one uplink channel of the at least two uplink channels.
  • At least two uplink channels in part 204 are the same as at least two uplink channels in part 202.
  • the at least two uplink channels are used for transmitting a scheduling request, and the at least two uplink channels comprise a first uplink channel and a second uplink channel.
  • the network device can detect one of the at least two uplink channels or the plurality of uplink channels. It can be understood that the network device detects at least one uplink channel of the at least two uplink channels until the transmission of one uplink channel is detected, or all uplink channels of the at least two uplink channels are detected.
  • the at least two uplink channels may also be determined.
  • the network device receives at least one scheduling request on one of the at least two uplink channels.
  • the network device receives the at least one scheduling request on an uplink channel selected by the terminal device.
  • the terminal device selects the first uplink channel from the at least two uplink channels and transmits at least one scheduling request on the first uplink channel.
  • the network device receives the at least one scheduling request on the first upstream channel.
  • the network device may generate one or more scheduling information corresponding to the at least one scheduling request, and send the scheduling information to the terminal device.
  • the terminal device may send uplink data according to the scheduling information, where the uplink data carries the corresponding service.
  • the scheduling information corresponding to the scheduling request of the URLLC service and the scheduling information corresponding to the scheduling request of the eMBB service may be generated.
  • the network device can send the two scheduling information to the terminal device. After receiving the scheduling information corresponding to the scheduling request of the URLLC service, the terminal device may send the uplink data carrying the URLLC service according to the scheduling information. After receiving the scheduling information corresponding to the scheduling request of the eMBB service, the terminal device may send the uplink data carrying the eMBB service according to the scheduling information.
  • the network device may send a scheduling information (such as scheduling information corresponding to the scheduling request of the URLLC service) to the terminal device. After receiving the scheduling information corresponding to the scheduling request of the URLLC service, the terminal device may send the uplink data carrying the URLLC service and the eMBB service according to the scheduling information.
  • one uplink channel may be selected from the plurality of uplink channels, and one or more scheduling requests are sent to the network device through the selected uplink channel.
  • the network device may also receive one or more scheduling requests through the uplink channel selected by the terminal. It can be seen that by implementing the method described in FIG. 2, when there are multiple uplink channels, the terminal device can flexibly select one suitable uplink channel from multiple uplink channels to send one or more scheduling requests according to requirements.
  • the first uplink channel and the second uplink channel are modulated differently, and/or the coding mode is different, and/or inverse fast fourier transform (IFFT), and/or inverse discrete Fourier transform (Discrete fourier transform, DFT) is different, and/or the location of the mapped frequency domain resources is different, and/or the code rate is different.
  • the modulation mode is different.
  • the first uplink channel is binary phase shift keying (BPSK) modulation
  • the second uplink channel is quadrature phase shift keying (QPSK) modulation.
  • the coding mode is different, for example, the coding mode of the first uplink channel is LDPC (low-density parity check code), and the coding mode of the second uplink channel is Polar coding.
  • the coding mode of the first uplink channel is CC coding
  • the coding mode of the second uplink channel is RM coding.
  • the order of execution of modulation, coding, IFFT, and DFT in the channel generation of the first uplink channel and the second uplink channel is different.
  • the execution order of the first uplink channel is first IFFT, then DFT, and finally IFFT.
  • the execution order of the second uplink channel is first DFT, and finally IFFT.
  • the waveforms generated by the IFFT and DFT are different, and the waveforms generated by the IFFT and DET are not the same.
  • the generated waveform is different, for example, the first uplink channel is transmitted on the SC-FDMA symbol, and the second uplink channel is transmitted on the OFDM symbol.
  • the present invention is implemented when the first uplink channel and the second uplink channel meet the foregoing conditions. Otherwise, the terminal device may send a scheduling request on any one or more uplink channels, which is not limited by the present invention.
  • the attribute value of the first uplink channel is smaller than the attribute value of the second uplink channel
  • the attribute values of the first uplink channel and the second uplink channel include at least one of the following: the number of bits carried, the number of bit states carried, and modulation.
  • the attribute value of the first uplink channel is smaller than the attribute value of the second uplink channel, that is, there are at least one different step in the channel generation of the first uplink channel and the second uplink channel, or the order of the steps is different.
  • the attribute value of the first uplink channel is smaller than the attribute value of the second uplink channel, indicating that the amount of information that can be transmitted by the first uplink channel is smaller than the amount of information that can be transmitted on the second uplink channel. Since the reliability of the uplink channel with less bearer information is higher under the same transmit power, the reliability of the first uplink channel is higher than the reliability of the second uplink channel.
  • the terminal device may select the first uplink channel to send the at least one scheduling request to ensure the reliability of the transmission scheduling request.
  • the at least one scheduling request determined by the terminal device includes a scheduling request of the URLLC service, and the terminal device may select the first uplink channel to send the at least one scheduling request.
  • the attributes of the first uplink channel and the second uplink channel are different, and different uplink channels satisfy different service requirements.
  • the at least one scheduling request includes a scheduling request of the highly reliable service, and the terminal device may select the first uplink channel to send the at least one scheduling request.
  • the at least one scheduling request does not include the scheduling request of the highly reliable service, and the terminal device may select the second uplink channel to send the at least one scheduling request. It can be seen that, by implementing the implementation manner, the terminal device is configured to flexibly select a suitable uplink channel transmission scheduling request from the first uplink channel and the second uplink channel according to the service requirement of the scheduling request.
  • the maximum number of bits carried by the first uplink channel is smaller than the maximum number of bits of the second uplink channel.
  • the maximum number of bits carried by the first uplink channel is 1, and the maximum number of bits of the second uplink channel is greater than or equal to 2.
  • the number of bit states of the first uplink channel maximum bearer is smaller than the number of bit states of the second uplink channel maximum bearer.
  • the number of bit states of the first uplink channel maximum bearer is 2, and the number of bit states of the second uplink channel maximum bearer is greater than or equal to 4.
  • the number of bit states of the first uplink channel maximum bearer is 1, and the number of bit states of the second uplink channel maximum bearer is greater than or equal to 2.
  • the number of scheduling requests for the maximum uplink of the first uplink channel is smaller than the number of scheduling requests for the maximum uplink of the second uplink channel.
  • the number of scheduling requests for the maximum uplink of the first uplink channel is 1, and the number of scheduling requests for the maximum uplink of the second uplink channel is greater than or equal to 2.
  • the power factor corresponding to the first uplink channel is greater than the power factor corresponding to the second uplink channel.
  • the power factor of the first uplink channel is 5, and the power factor of the first uplink channel is 3, and the unit of the power factor may be decibel milliwatts (dbm) or watts, which is not limited herein.
  • the at least one scheduling request includes a scheduling request of the highly reliable service, and the terminal device may select the first uplink channel to send the at least one scheduling request.
  • the at least one scheduling request does not include the scheduling request of the highly reliable service, and the terminal device may select the second uplink channel to send the at least one scheduling request. It can be seen that, by implementing the implementation manner, the terminal device can flexibly select an appropriate uplink channel transmission scheduling request from the first uplink channel and the second uplink channel according to the service requirement of the scheduling request.
  • the first uplink channel and the second uplink channel include at least one of the following: a delay requirement corresponding to the first uplink channel is smaller than a delay requirement corresponding to the second uplink channel; and a priority ratio corresponding to the first uplink channel is The priority corresponding to the two uplink channels is high; the reliability corresponding to the first uplink channel is higher than the reliability corresponding to the second uplink channel; the quality of service QoS corresponding to the first uplink channel is higher than the QoS corresponding to the second uplink channel; The transport block size corresponding to the channel is smaller than the transport block size corresponding to the second uplink channel; the subcarrier spacing of the resource occupied by the first uplink channel is greater than the subcarrier spacing of the resource occupied by the second uplink channel; and the resource occupied by the first uplink channel The length of time is less than the length of time occupied by the second uplink channel.
  • the first uplink channel may transmit a scheduling request of an emergency service or a scheduling request of a service with a higher reliability requirement
  • the second uplink channel may transmit a scheduling request of a non-emergency service or a service with a lower reliability requirement.
  • Schedule a request It can be seen that, by implementing the implementation manner, the terminal device is configured to flexibly select a suitable uplink channel transmission scheduling request from the first uplink channel and the second uplink channel according to the service requirement of the scheduling request.
  • the delay requirement corresponding to the first uplink channel is smaller than the delay requirement corresponding to the second uplink channel, where the delay requirement of the service corresponding to the first uplink channel is longer than the delay requirement of the service corresponding to the second uplink channel.
  • the URLLC service requires low latency, and the latency requirement of the URLLC service is smaller than the latency requirement of the eMBB service and the mMTC service.
  • the reliability is a success rate of 1-10e-5 and the transmission delay is a delay requirement of a URLLC service within 1 ms, and the URLLC service is less than 1 to 10-5 and the transmission delay is within 2 ms. The delay requirement is small.
  • the service corresponding to the first uplink channel may be a URLLC service, and the service corresponding to the second uplink channel is not a URLLC service.
  • the service corresponding to the second uplink channel may be an eMBB service or an mMTC service.
  • the service corresponding to the first uplink channel may be a success rate of 1-10e-5, and the transmission delay is a URL LC service within 1 ms, and the service corresponding to the second uplink channel is not a reliability.
  • the success rate of 10e-5 and the transmission delay is a URLLC service within 1ms.
  • the service corresponding to the second uplink channel may be an eMBB service or an mMTC service, or a success rate of 1-10e-5, and a transmission delay of a URL LC service within 2 ms.
  • the terminal device may select one uplink channel from the at least two uplink channels, where the terminal device may select one uplink channel from the at least two uplink channels according to the at least one scheduling request, where the at least one scheduling request corresponds to At least one first information, the first information including at least one of a delay requirement, a priority, a reliability, a quality of service QoS, a transport block size, a subcarrier spacing of the resource, and a time length of the resource.
  • the first information including at least one of a delay requirement, a priority, a reliability, a quality of service QoS, a transport block size, a subcarrier spacing of the resource, and a time length of the resource.
  • At least one scheduling request can be flexibly transmitted by selecting one suitable uplink channel from at least two uplink channels according to current service requirements.
  • the specific manner that the terminal device selects one uplink channel from the at least two uplink channels according to the at least one scheduling request may be: determining at least one first information corresponding to the at least one scheduling request, where the first information includes a delay. At least one of demand, priority, reliability, quality of service QoS, transport block size, subcarrier spacing of resources, and time length of resources; selecting one uplink from at least two uplink channels according to at least one first information channel.
  • the terminal device can flexibly select at least one scheduling request by selecting one suitable uplink channel from the at least two uplink channels according to current service requirements.
  • the specific implementation manner of selecting an uplink channel from the at least two uplink channels according to the at least one first information may be: selecting, according to the at least one first information, the at least one scheduling request, from the at least two uplink channels. Select an upstream channel.
  • at least one of the first information has at least one of a delay requirement, a priority, a reliability, a quality of service QoS, a transport block size, a subcarrier spacing of the resource, and a time length of the resource of the first uplink channel.
  • the terminal device can flexibly select at least one scheduling request by selecting one suitable uplink channel from the at least two uplink channels according to current service requirements.
  • the delay requirement corresponding to the first uplink channel is delay 1
  • the delay requirement corresponding to the second uplink channel is delay 2.
  • the at least one scheduling request determined by the terminal device includes only the scheduling request 1.
  • the terminal device determines that the scheduling request 1 corresponds to the first information 1.
  • the first information 1 includes a delay requirement of delay 1. Since there is the first information 1 matching the delay requirement of the first uplink channel and only the scheduling request 1 is transmitted, the terminal device selects the first uplink channel to transmit the scheduling request 1.
  • the delay requirement corresponding to the first uplink channel is delay 1
  • the delay requirement corresponding to the second uplink channel is delay 2.
  • the at least one scheduling request determined by the terminal device includes a scheduling request 1 and a scheduling request 2.
  • the terminal device determines that the scheduling request 1 corresponds to the first information 1, and the scheduling request 2 corresponds to the first information 2.
  • the first information 1 includes a delay requirement of delay 1.
  • the first information 2 includes a delay requirement of delay 2. Since the first information 1 that matches the delay requirement of the first uplink channel exists in the first information, but the scheduling request 1 and the scheduling request 2 are to be transmitted, the terminal device selects the second uplink channel to send the scheduling request 1 and the scheduling request. 2.
  • the delay requirement corresponding to the first uplink channel is delay 1
  • the delay requirement corresponding to the second uplink channel is delay 2.
  • the at least one scheduling request determined by the terminal device includes a scheduling request 2.
  • the terminal device determines that the scheduling request 2 corresponds to the first information 2.
  • the first information 2 includes a delay requirement of delay 2. Since there is no first information matching the delay requirement of the first uplink channel, the terminal device selects the second uplink channel to send the scheduling request 2.
  • the specific implementation manner of selecting an uplink channel from the at least two uplink channels according to the at least one first information may be: if there is a delay requirement, a priority, and a priority of the first uplink channel in the at least one first information, The first uplink channel is selected by the first information matching at least one of reliability, quality of service QoS, transport block size, resource subcarrier spacing, and resource time length. Otherwise, select another uplink channel to send at least one scheduling request.
  • the terminal device can flexibly select at least one scheduling request by selecting one suitable uplink channel from the at least two uplink channels according to current service requirements.
  • the delay requirement corresponding to the first uplink channel is delay 1
  • the delay requirement corresponding to the second uplink channel is delay 2.
  • the at least one scheduling request determined by the terminal device includes a scheduling request 1 and a scheduling request 2.
  • the terminal device determines that the scheduling request 1 corresponds to the first information 1, and the scheduling request 2 corresponds to the first information 2.
  • the first information 1 includes a delay requirement of delay 1.
  • the first information 2 includes a delay requirement of delay 2. Since the first information 1 in the first information matches the delay requirement of the first uplink channel, the terminal device selects the first uplink channel to send the scheduling request 1 and the scheduling request 2.
  • the uplink channel is selected from the at least two uplink channels according to the priority, the reliability, the quality of service QoS, the transport block size, the subcarrier spacing of the resource, or the time length of the resource, and is not described here.
  • the correspondence between the SR and the delay can be as shown in Table 1 below.
  • A is the number of SRs, and NA means no value.
  • Table 1 can exist alone or as part of another table.
  • the SR in Table 1 can be only a part.
  • Table 1 may include only the first SR and the second SR, or may only include the first SR, the second SR, and the third SR, or only the first SR, the third SR, and the fourth SR.
  • the correspondence between the SR and the delay in Table 1 is not limited.
  • the first SR may have a delay of 4 ms
  • the second SR may have a delay of 3 ms.
  • the correspondence between the SR and the priority can be as shown in Table 2 below.
  • A is the number of SRs, and NA represents no value.
  • Table 2 can exist alone or as part of another table.
  • the SR in Table 2 can be only a part.
  • Table 2 may include only the first SR and the second SR, or may include only the first SR, the second SR, and the third SR, or only the first SR, the third SR, and the fourth SR.
  • the correspondence between the SR and the priority in the table 2 is not limited.
  • the first SR may correspond to priority 2
  • the second SR may correspond to priority 1.
  • the correspondence between SR and reliability can be as shown in Table 3 below.
  • A is the number of SRs, and NA represents no value.
  • Table 3 can exist alone or as part of another table.
  • the SR in Table 3 can be only a part.
  • Table 3 may include only the first SR and the second SR, or may only include the first SR, the second SR, and the third SR, or only the first SR, the third SR, and the fourth SR.
  • the correspondence between SR and reliability in Table 2 is not limited.
  • the first SR may correspond to reliability 2
  • the second SR may correspond to reliability 1.
  • the correspondence between SR and quality of service can be as shown in Table 4 below.
  • A is the number of SRs, and NA represents no value.
  • Table 4 can exist alone or as part of another table.
  • the SR in Table 4 can be only a part.
  • Table 4 may include only the first SR and the second SR, or may only include the first SR, the second SR, and the third SR, or only the first SR, the third SR, and the fourth SR.
  • the correspondence between the SR and the quality of service in Table 2 is not limited.
  • the first SR may correspond to quality of service 2
  • the second SR may correspond to quality of service 1.
  • the correspondence between the SR and the transport block size can be as shown in Table 5 below.
  • A is the number of SRs, and NA represents no value. It can be understood that Table 5 can exist alone or as part of another table. It can be understood that the SR in Table 5 can be only a part.
  • Table 5 may include only the first SR and the second SR, or may only include the first SR, the second SR, and the third SR, or only the first SR, the third SR, and the fourth SR.
  • the correspondence between the SR and the transport block size in Table 2 is not limited.
  • the first SR may correspond to transport block size 2
  • the second SR may correspond to transport block size 1.
  • the correspondence between the SR and the subcarrier spacing can be as shown in Table 6 below.
  • A is the number of SRs, and NA represents no value. It can be understood that Table 6 can exist alone or as part of another table. It can be understood that the SR in Table 6 can be only a part.
  • Table 6 may include only the first SR and the second SR, or may only include the first SR, the second SR, and the third SR, or may include only the first SR, the third SR, and the fourth SR.
  • the correspondence between the SR and the subcarrier spacing in Table 6 is not limited.
  • the first SR may correspond to a 60 kHz subcarrier spacing
  • the second SR may correspond to a 120 kHz subcarrier spacing
  • the subcarrier spacing of the resources herein may be a subcarrier spacing of the logical channel.
  • the correspondence between the SR and the length of time of the resource can be as shown in Table 7 below.
  • A is the number of SRs, and NA represents no value. It can be understood that Table 7 can exist alone or as part of another table. It can be understood that the SR in Table 7 can be only a part.
  • Table 7 may include only the first SR and the second SR, or may only include the first SR, the second SR, and the third SR, or may include only the first SR, the third SR, and the fourth SR.
  • the correspondence between the length of the SR and the resource in Table 7 is not limited.
  • the first SR may correspond to 2 symbol time lengths
  • the second SR may correspond to 1 symbol time length.
  • the first SR may correspond to a symbol length of one symbol and a resource of 120 khz subcarrier spacing
  • the second SR may correspond to resources of 2 symbols and 60 kHz subcarrier spacing.
  • the terminal device may select one uplink channel from the at least two uplink channels according to the at least one scheduling request.
  • the terminal device may select, according to the service type corresponding to the at least one scheduling request, the at least two uplink channels.
  • An upstream channel For example, the at least one scheduling request includes a scheduling request of a URLLC service type, and the service type corresponding to the first uplink channel is a URLLC service type, and the terminal device selects the first uplink channel from the at least two uplink channels to send at least one scheduling request.
  • the terminal device can flexibly select at least one scheduling request by selecting one suitable uplink channel from the at least two uplink channels according to current service requirements.
  • the correspondence between the SR and the service type can be as shown in Tables 8 to 13 below.
  • A is the number of SRs, and NA means no value.
  • Tables 8-13 can exist separately or as part of another table.
  • the SRs in Tables 8 to 13 can be only a part.
  • Table 9 may include only the first SR and the second SR
  • Table 10 may include only the first SR, the second SR, and the third SR
  • Table 10 may include only the first SR, the third SR, and the fourth SR.
  • the correspondence between the SR and the service type is not limited.
  • the first SR corresponds to the URLLC
  • the second SR corresponds to the eMBB
  • the first SR corresponds to the eMBB
  • the second SR corresponds to the URLLC.
  • the first SR represents a scheduling request of a URLLC service of type 1
  • the second SR represents a scheduling request of a URLLC service of type 2.
  • the service requirements of the URLLC service of type 1 and the URLLC service of type 2 are different.
  • the URLLC service of type 1 is a URLLC service with a reliability of 1-10e-5 and a transmission delay of 1 ms or less;
  • the URLLC service of type 2 is a reliability of 1- 10e-5 URLLC service with accuracy and transmission delay within 3ms.
  • the present invention does not limit the specific type of URLLC service.
  • the specific implementation manner of the terminal device selecting one of the at least two uplink channels is: the terminal device selects the at least one of the at least two uplink channels according to the correspondence between the scheduling request and the uplink channel.
  • the uplink channel corresponding to the scheduling request may request the delay requirement and/or priority and/or reliability and/or quality of service and/or transport block size and/or subcarrier spacing of the resource and/or time of the resource according to the scheduling request.
  • the length is preset or configured according to the high layer signaling: the first scheduling request corresponds to the first uplink channel, the first scheduling request and the second scheduling request correspond to the second uplink channel, and the second scheduling request corresponds to the second uplink channel.
  • the terminal device selects the first uplink channel from the at least two uplink channels. And if the at least one scheduling request determined by the terminal device includes the first scheduling request and the second scheduling request, the terminal device selects the second uplink channel from the at least two uplink channels. If the at least one scheduling request determined by the terminal device includes only the second scheduling request, the terminal device selects the second uplink channel from the at least two uplink channels.
  • the terminal device can be based on current traffic delay requirements and/or priority and/or reliability and/or quality of service and/or transport block size and/or subcarrier spacing and/or resources of resources.
  • the length of time and/or priority flexibly transmits at least one scheduling request by selecting a suitable upstream channel from the at least two upstream channels.
  • the uplink channel selected by the terminal device from the at least two uplink channels is the first uplink channel
  • the specific implementation manner of the terminal device sending the at least one scheduling request by using the selected uplink channel is: transmitting, by the terminal device, the first uplink channel Appears to send at least one scheduling request.
  • the terminal device indicates whether the network device sends at least one scheduling request by whether the transmission of the first uplink channel occurs. For example, the terminal device indicates that the network device sends at least one scheduling request by the transmission of the first uplink channel; the terminal device does not appear through the transmission of the first uplink channel, indicating that the network device has not sent at least one scheduling request.
  • the scheduling request here is a Positive scheduling request, that is, a scheduling request, indicating that there is a resource scheduling request. It can be understood that not sending a positive scheduling request is equivalent to sending a Negative negative scheduling request, indicating that there is no resource scheduling request.
  • the network device receives the at least one scheduling request on the first uplink channel, and the network device receives the at least one scheduling request on the first uplink channel, where the network device receives the at least one scheduling request by using the transmission of the first uplink channel.
  • the network device determines whether the transmission of the first uplink channel occurs by performing energy detection on the transmission of the first uplink channel. When the network device detects that the energy value or the sequence correlation peak of the first uplink channel is greater than or equal to a preset threshold, it is determined that the transmission of the first uplink channel occurs. When the network device detects that the energy value or the sequence correlation peak of the first uplink channel is less than a preset threshold, it is determined that the transmission of the first uplink channel does not occur. That is, when the network device detects that the energy value or the sequence correlation peak of the first uplink channel is greater than or equal to a preset threshold, the network device determines that at least one scheduling request is received.
  • the terminal device and the network device may pre-define which scheduling request is sent through the first uplink channel, or the network device configures to the terminal device through the high-level signaling, which scheduling request is sent through the first uplink channel. Therefore, the network device can determine which scheduling request the received scheduling request is, as long as the network device detects that the energy value of the first uplink channel or the sequence correlation peak is greater than a preset threshold. By implementing the implementation manner, the network device can not know which scheduling request is sent by the terminal device without decoding or demodulating the received uplink channel, so that the scheduling request can be obtained more accurately and more quickly.
  • the uplink channel selected by the terminal device from the at least two uplink channels is the first uplink channel
  • the specific implementation manner of the terminal device sending the at least one scheduling request by using the selected uplink channel is: the terminal device sends the uplink through the first uplink channel.
  • the number of display bits transmitted by the first uplink channel is smaller than the number of display bits transmitted by the second uplink channel.
  • the network device receives the at least one scheduling request on the first uplink channel, and the network device receives the at least one scheduling request on the first uplink channel, where the network device receives the explicit bit carried by the first uplink channel, where the display bit is used by the network device. At least one scheduling request is indicated.
  • the network device and the terminal device may pre-define a scheduling request indicating a bit indication, or the network device configures, by the higher layer signaling, a scheduling request indicating the bit indication to the terminal device. After the network device receives the explicit bit carried by the first uplink channel, it can determine which scheduling request is received according to the display bit. By implementing this embodiment, the terminal device can transmit one or more scheduling requests through the first uplink channel.
  • the uplink channel selected by the terminal device from the at least two uplink channels is the second uplink channel
  • the specific implementation manner that the terminal device sends the at least one scheduling request by using the selected uplink channel is: the terminal device sends the display through the second uplink channel.
  • the network device receives the at least one scheduling request on the second uplink channel, and the network device receives the at least one scheduling request on the second uplink channel, where the network device receives the explicit bit carried by the second uplink channel, where the display bit is used by the network device. At least one scheduling request is indicated.
  • the network device and the terminal device may pre-define a scheduling request indicating a bit indication, or the network device configures, by the higher layer signaling, a scheduling request indicating the bit indication to the terminal device. After the network device receives the explicit bit carried by the second uplink channel, it can determine which scheduling request is received according to the display bit. By implementing this embodiment, the terminal device can transmit one or more scheduling requests through the second uplink channel.
  • an SR of 1 indicates that an SR needs to be sent or a Positive SR is sent
  • an SR of 0 indicates that it is not necessary to transmit an SR or send a Negative SR.
  • the first SR is 1, indicating that the first SR needs to be sent; the first SR is 0, indicating that the first SR does not need to be sent.
  • the first SR may be a scheduling request of at least one of URLLC service, delay 1, priority 1, reliability 1, quality of service 1, transport block size 1, subcarrier interval 1, time length 1, and
  • the second SR may be a scheduling request for at least one of scheduling request, delay 2, priority 2, reliability 2, quality of service 2, transport block size 2, subcarrier interval 2, and time length 2 of the eMBB service, or
  • the second SR may be a scheduling request of at least one of mMTC service, delay 2, priority 2, reliability 2, quality of service 2, transport block size 2, subcarrier interval 2, and time length 2.
  • the delay 1 is less than the delay 2, the priority 1 is higher than the priority 2, the reliability 1 is higher than the reliability 2, the quality of service 1 is higher than the quality of service 2, and the transport block size 1 is smaller than the transport block size 2, and the subcarrier spacing is 1 is greater than subcarrier spacing 2, and time length 1 is less than time length 2.
  • the first SR may be a scheduling request of a URLLC service
  • the second SR may be a scheduling request of an eMBB service or a scheduling request of an mMTC service.
  • the first SR may be a scheduling request with a delay of 1
  • the second SR may be a scheduling request with a delay of 2.
  • the first SR may be a scheduling request of priority 1
  • the second SR may be a scheduling request of priority 2.
  • the first SR may be a scheduling request of reliability 1
  • the second SR may be a scheduling request of reliability 2.
  • the first SR may be a scheduling request for quality of service 1
  • the second SR may be a scheduling request for quality of service 2.
  • the first SR may be a scheduling request of transport block size 1
  • the second SR may be a scheduling request of transport block size 2.
  • the first SR may be a scheduling request of the subcarrier interval 1
  • the second SR may be a scheduling request of the subcarrier interval 2.
  • the first SR may be a scheduling request of a time length of 1
  • the second SR may be a scheduling request of a time length of 2.
  • the first SR may be a scheduling request of the URLLC service and the subcarrier interval 1
  • the second SR may be a scheduling request of the eMBB service and the subcarrier interval 2
  • the second SR may be a scheduling request of the mMTC service and the subcarrier interval 2.
  • the first SR may be a scheduling request of a URLLC service, a delay 1, a priority 1, a reliability 1, a quality of service 1, a transport block size 1, a subcarrier interval 1, and a time length 1
  • the second SR may be an eMBB.
  • Service scheduling request, delay 2, priority 2, reliability 2, quality of service 2, transport block size 2, subcarrier interval 2, and time length 2 scheduling request, or the second SR may be mMTC service, delay 2 , priority 2, reliability 2, quality of service 2, transport block size 2, subcarrier interval 2, and time length 2 scheduling request.
  • the first SR represents a scheduling request of the URLLC service of type 1
  • the second SR represents a scheduling request of the URLLC service of type 2.
  • the URLLC service of type 1 and the URLLC service of type 2 have different service requirements, such as different reliability requirements or different delay requirements.
  • the URLLC service of type 1 is a URLLC service with a reliability of 1-10e-5 accuracy and a transmission delay of 1 ms.
  • the URLLC service of type 2 has a reliability of 1-10e-3 accuracy and a transmission delay is The URLLC service within 2ms, the present invention does not limit the specific type of URLLC service.
  • the network device when the network device detects that the energy value of the first uplink channel or the sequence correlation peak is greater than the preset domain value, it is determined that the first SR is received.
  • the status value of the display bit received by the network device on the second uplink channel is 1, 1, it is determined that the first SR and the second SR are received.
  • the status value of the display bit received by the network device on the second uplink channel is 0, 0, it is determined that the second SR is received.
  • the network device when the network device detects that the energy value of the first uplink channel or the sequence correlation peak is greater than the preset domain value, it is determined that the first SR is received.
  • the status value of the display bit received by the network device on the second uplink channel is 1, it is determined that the first SR and the second SR are received.
  • the status value of the display bit received by the network device on the second uplink channel is 0, it is determined that the second SR is received.
  • the network device when the network device detects that the status value of the display bit received by the first uplink channel is 0, it determines that the first SR is received.
  • the status value of the display bit received by the network device on the second uplink channel is 1, 1, 1, it is determined that the first SR and the second SR are received.
  • the status value of the display bit received by the network device on the second uplink channel is 0, 0, 0, it is determined that the second SR is received.
  • the network device when the network device detects that the status value of the display bit received by the first uplink channel is 0, it determines that the first SR is received. When the status value of the display bit received by the network device on the first uplink channel is 1, it is determined that the first SR and the second SR are received. When the status value of the display bit received by the network device on the second uplink channel is 0, 0, it is determined that the second SR is received.
  • an SR of 1 indicates that an SR needs to be transmitted or a Positive SR is transmitted
  • an SR of 0 indicates that it is not necessary to transmit an SR or send a Negative SR.
  • the first SR is 1, indicating that the first SR needs to be sent; the first SR is 0, indicating that the first SR does not need to be sent.
  • the first SR may be at least one of a URLLC service, a delay 1, a priority 1, a reliability 1, a quality of service 1, a transport block size 1, a subcarrier interval 1, a time length 1, and a priority 1.
  • Scheduling request; the second SR may be at least one of scheduling request, delay 2, priority 2, reliability 2, quality of service 2, transport block size 2, subcarrier spacing 2, time length 2, and priority 2 of the eMBB service.
  • Scheduling request; the third SR may be at least one of mMTC service, delay 3, priority 3, reliability 3, quality of service 3, transport block size 3, subcarrier interval 3, time length 3, and priority 3. Scheduling request.
  • the second SR may be at least one of a scheduling request, a delay 2, a priority 2, a reliability 2, a quality of service 2, a transport block size 2, a subcarrier interval 2, a time length 2, and a priority 2 of the mMTC service.
  • Scheduling request; the third SR may be at least one of eMBB service, delay 3, priority 3, reliability 3, quality of service 3, transport block size 3, subcarrier interval 3, time length 3, and priority 3.
  • the delay 1 is less than the delay 2 and the delay 3.
  • Priority 1 is higher than priority 2 and priority 3.
  • Reliability 1 is higher than reliability 2 and reliability 3.
  • the quality of service 1 is higher than the quality of service 2 and the quality of service 3.
  • the transport block size 1 is smaller than the transport block size 2 and the transport block size 3, and the subcarrier interval 1 is greater than the subcarrier interval 2 and the subcarrier interval 3.
  • the length of time 1 is less than the length of time 2 and the length of time 3.
  • the first SR may be a scheduling request of the URLLC service
  • the second SR may be a scheduling request of the eMBB service
  • the third SR may be a scheduling request of the mMTC service.
  • the first SR may be a scheduling request of delay 1
  • the second SR may be a scheduling request of delay 2
  • the third SR may be a scheduling request of delay 3.
  • the first SR may be a scheduling request of priority 1
  • the second SR may be a scheduling request of priority 2
  • the third SR may be a scheduling request of priority 3.
  • the first SR may be a scheduling request of reliability 1
  • the second SR may be a scheduling request of reliability 2
  • the third SR may be a scheduling request of reliability 3.
  • the first SR may be a scheduling request of the quality of service 1
  • the second SR may be a scheduling request of the quality of service 2
  • the third SR may be a scheduling request of the quality of service 3.
  • the first SR may be a scheduling request of a transport block size 1
  • the second SR may be a scheduling request of a transport block size 2
  • the third SR may be a scheduling request of a transport block size 3.
  • the first SR may be a scheduling request of the subcarrier interval 1
  • the second SR may be a scheduling request of the subcarrier interval 2
  • the third SR may be a scheduling request of the subcarrier interval 3.
  • the first SR may be a scheduling request of length 1 and the second SR may be a scheduling request of length 2, and the third SR may be a scheduling request of length 3.
  • the first SR may be a scheduling request of the URLLC service and the subcarrier interval 1
  • the second SR may be a scheduling request of the eMBB service and the subcarrier interval 2
  • the third SR may be a scheduling request of the mMTC service and the subcarrier interval 3.
  • the first SR may be a scheduling request of a URLLC service, a subcarrier interval 1, a time length 1 and a priority 1
  • the second SR may be a scheduling request of an eMBB service, a subcarrier interval 2, a time length 2, and a priority 2.
  • the third SR may be a scheduling request of mMTC service, subcarrier interval 3, time length 3, and priority 3.
  • the first SR represents a scheduling request of a URLLC service of type 1
  • the second SR represents a scheduling request of a URLLC service of type 2
  • the third SR represents a scheduling request of a URLLC service of type 3.
  • the URLLC service of type 1 and the URLLC service of type 2 have different service requirements, such as different reliability requirements or different delay requirements.
  • the URLLC service of type 1 is a URLLC service with a reliability of 1-10e-5 accuracy and a transmission delay of 1 ms.
  • the URLLC service of type 2 has a reliability of 1-10e-3 accuracy and a transmission delay is
  • the URLLC service of the type 2 is a URL LC service with a reliability of 1-10e-5 and a transmission delay of 2 ms or less.
  • the present invention does not limit the specific type of URLLC service.
  • the network device When the network device detects that the energy value of the first uplink channel or the sequence correlation peak is greater than the preset threshold, determining that the first SR is received, or determining, by the network device, that the status value of the display bit received by the first uplink channel is 0, determining Received the first SR.
  • the status value of the display bit received by the network device on the second uplink channel is 1, 1, it is determined that the second SR and the third SR are received.
  • the status value of the display bit received by the network device on the second uplink channel is 1, 0, it is determined that the second SR is received.
  • the network device receives the status value of the display bit on the second uplink channel as 0, 1, it is determined that the third SR is received.
  • no information may be transmitted.
  • the principle that the network device receives the scheduling request by receiving the display bit is the same as the principle that the network device in the above-mentioned Table 18 receives the scheduling request by receiving the display bit, and details are not described herein.
  • the number of bits and the number of bit states carried by the second uplink channel are greater than the number of bits and the number of bit states carried by the third uplink channel.
  • the number of bits and the number of bit states carried by the second uplink channel are greater than the number of bits and the number of bit states carried by the first uplink channel.
  • the principle that the network device receives the scheduling request by receiving the display bit is the same as the principle that the network device receives the scheduling request by receiving the display bit in the above table 18, and the network device receives the energy by detecting the first uplink channel.
  • the principle of the scheduling request is the same as the principle that the network device in the foregoing table 18 receives the scheduling request by performing energy detection on the first uplink channel, and details are not described herein.
  • the number of bits and the number of bit states carried by the third uplink channel are greater than the number of bits and the number of bit states carried by the second uplink channel.
  • the number of bit states carried by the second uplink channel is greater than the number of bit states carried by the first uplink channel.
  • the principle that the network device receives the scheduling request by receiving the display bit is the same as the principle that the network device receives the scheduling request by receiving the display bit in the above table 18, and the network device receives the energy by detecting the first uplink channel.
  • the principle of the scheduling request is the same as the principle that the network device in the foregoing table 18 receives the scheduling request by performing energy detection on the first uplink channel, and details are not described herein.
  • the principle that the network device receives the scheduling request by receiving the display bit is the same as the principle that the network device receives the scheduling request by receiving the display bit in the above table 18, and the network device receives the energy by detecting the first uplink channel.
  • the principle of the scheduling request is the same as the principle that the network device in the foregoing table 18 receives the scheduling request by performing energy detection on the first uplink channel, and details are not described herein.
  • the network device when the status value of the display bit received by the network device on the second uplink channel is 0, 0, it is determined that the first SR, the second SR, and the third SR are not received.
  • the network device detects that the transmitted display bit is 0, 0 on the third uplink channel, it determines that the first SR, the second SR, and the third SR are not received.
  • the specific implementation manner that the terminal device sends the at least one scheduling request by using the selected uplink channel may be: the terminal device sends a bit status value by using the selected uplink channel, where the bit status value is used to indicate the at least one scheduling request.
  • the specific implementation manner in which the network device receives the at least one scheduling request on one of the at least two uplink channels may be: the network device receives a bit status value on an uplink channel, where the bit status value is used to indicate the at least one scheduling request.
  • the terminal device can transmit multiple scheduling requests through one uplink channel.
  • the first uplink channel, the second uplink channel, and the third uplink channel may each indicate at least one scheduling request by using a bit status value, that is, the first uplink channel and the second uplink channel.
  • the third uplink channel is a bit state value of the transmission. Only when the terminal device transmits the at least one scheduling request by using the transmission of the first uplink channel, the network device only needs to perform energy detection on the first uplink channel, and if the energy value of the first uplink channel or the sequence correlation peak is greater than the preset The threshold determines that the first SR is received.
  • the network device does not need to decode the first uplink channel, so it is not necessary to obtain the bit state value 0, and it can be determined that the first SR is received.
  • the network device needs to decode or demodulate the second uplink channel and the third uplink channel, obtain a bit state value, and determine a scheduling request by using the bit state value. For example, taking Table 1 as an example, the network device decodes or demodulates the second uplink channel, and the obtained bit state value is 0, 0, and the network device determines that the second SR is received.
  • the number of bits carried by the first uplink channel is less than or equal to 2 bits. As shown in Tables 14 to 24 above.
  • the first uplink channel sends at least one scheduling request by using 1 bit of display bits; the second uplink channel sends at least one scheduling request by using 2 bits of display bits, or the second uplink channel passes more than 2 bits of display bits. , sending at least one scheduling request.
  • Table 15, 17 to 21, 23 and 24 are as shown above.
  • the terminal device sends at least one scheduling request by using the transmission of the first uplink channel, and the second uplink channel sends the at least one scheduling request by using one bit of the display bit. See Tables 16 and 22 above.
  • the terminal device sends at least one scheduling request by using the transmission of the first uplink channel; the second uplink channel sends at least one scheduling request by using 2 bits of display bits, or the second uplink channel passes the display of greater than 2 bits. Bit, sending at least one scheduling request. As shown in Tables 14, 20, 23 and 24 above.
  • the first uplink channel sends at least one scheduling request by using 2 bits of display bits
  • the second uplink channel sends at least one scheduling request by using more than 2 bits of display bits. As shown in Table 18 above.
  • the uplink channel selected by the terminal device from the at least two uplink channels is the first uplink channel, and the terminal device may further send an uplink transmission indictor (UTI) on the first uplink channel.
  • the network device receives at least one scheduling request on the first uplink channel, and the network device may further receive an uplink transmission indication on the first uplink channel.
  • the uplink transmission indication may include a size of the transport block, and the network device knows the size of the transport block to allocate a suitable uplink scheduling resource to the terminal device.
  • the first uplink channel transmits a scheduling request of a URLLC service requiring low latency, and the first uplink channel may also transmit a size of a transport block of the URLLC service.
  • the network device allocates sufficient uplink scheduling resources for the URLLC service according to the size of the transport block, so as to prevent the URLLC service data of the terminal device from being sent in the current scheduling, and waiting for the next scheduling information.
  • the uplink transmission indication may further include channel quality information, where the channel quality information is used to indicate channel quality, and the channel quality information may include a channel quality quantization value corresponding to the bandwidth and/or the bandwidth, where the bandwidth may be the most selected by the terminal device. Excellent bandwidth or optimal subband group.
  • the uplink transmission indication may further include a priority, where the priority is used to support whether the data scheduling is urgently prioritized.
  • the uplink transmission indication is transmitted through the first uplink channel, which is beneficial for the network device to allocate suitable uplink scheduling resources for the service, which is beneficial to reducing the service delay.
  • the terminal device may send the at least one scheduling request and the uplink transmission indication by using the transmission of the first uplink channel.
  • the network device may receive at least one scheduling request and an uplink transmission indication by the occurrence of transmission of the first uplink channel.
  • the network device is facilitated to obtain the scheduling request and the uplink transmission indication more quickly.
  • 1+UTI0 indicates that the first SR and UTI0 are transmitted using the first upstream channel.
  • the network device detects that the energy value or the sequence correlation peak is greater than a preset threshold on the first uplink channel, and the network device determines that the first SR and UTI0 are received.
  • the status value of the display bit received by the network device on the second uplink channel is 0, 0, it is determined that the second SR is received.
  • the status value of the display bit received by the network device on the second uplink channel is 1, 1, it is determined that the first SR, UTI0, and the second SR are received.
  • the network device detects that the energy value or the sequence correlation peak is greater than a preset threshold on the first uplink channel, and the network device determines that the first SR and UTI0 are received.
  • the status value of the display bit received by the network device on the second uplink channel is 0, it is determined that the second SR is received.
  • the status value of the display bit received by the network device on the second uplink channel is 1, it is determined that the first SR, UTI0, and the second SR are received.
  • First SR Second SR Upstream channel Bit state value 1+UTI0 0 First uplink channel 0 (determined by energy detection) 0 1 Second upstream channel 0,0 (display bit) 1+UTI0 1 Second upstream channel 1,1 (display bit)
  • First SR Second SR Upstream channel Bit state value 1+UTI0 0 First uplink channel 0 (determined by energy detection) 0 1 Second upstream channel 0 (display bit) 1+UTI0 1 Second upstream channel 1 (display bit)
  • the terminal device may send the explicit bit through the first uplink channel to send the at least one scheduling request and the uplink transmission indication, where the explicit bit is used to indicate the at least one scheduling request and the uplink transmission indication.
  • the network device may receive the at least one scheduling request and the uplink transmission indication by receiving the explicit bit sent by the first uplink channel, where the explicit bit is used to indicate the at least one scheduling request and the uplink transmission indication.
  • the terminal device can send multiple scheduling requests through the second uplink channel.
  • 1+UTI0 indicates that the first SR and UTI0 are transmitted using the first uplink channel.
  • 1+UTI1 indicates that the first SR and UTI1 are transmitted using the first uplink channel.
  • 1+UTI2 indicates the use of the first The uplink channel transmits the first SR and UTI2.
  • 1+UTI3 indicates that the first SR and UTI3 are transmitted using the first uplink channel.
  • the network device determines that the bit status value of the display bit on the first upstream channel is 0, and the network device determines that the first SR and UTI0 are received.
  • the network device determines a bit status value of 1 for the display bit received on the first uplink channel, and the network device determines to receive the first SR and UTI1.
  • the principles of Table 28 below are the same, except that in Table 28 below, the number of bits of the explicit bit transmitted by the first upstream channel is 2 bits.
  • First SR Second SR Upstream channel Bit state value 1+UTI0 1 First uplink channel 1,1 (display bit) 1+UTI1 0 First uplink channel 1,0 (display bit) 1+UTI2 0 First uplink channel 0,1 (display bit) 1+UTI3 1 First uplink channel 0,0 (display bit)
  • the uplink channel selected by the terminal device from the at least two uplink channels is the second uplink channel, and the terminal device may further send an uplink transmission indication on the second uplink channel.
  • the network device receives at least one scheduling request on the second uplink channel, and the network device may further receive an uplink transmission indication on the second uplink channel.
  • the delay requirement of the service of the second uplink channel is greater than the delay requirement of the first uplink channel, and the amount of information that the second uplink channel can transmit is larger than the amount of information that can be transmitted by the first uplink channel.
  • the delay requirement corresponding to the first uplink channel is 1 ms
  • the delay requirement corresponding to the second uplink channel is 2 ms. Therefore, the second uplink channel can transmit more data, and the second uplink channel can also transmit an uplink transmission indication.
  • the terminal device may send the explicit bit through the second uplink channel to send the at least one scheduling request and the uplink transmission indication, where the explicit bit is used to indicate the at least one scheduling request and the uplink transmission indication.
  • 1+UTI0 indicates that the first SR and UTI0 are transmitted using the second uplink channel.
  • 1+UTI1 indicates that the first SR and UTI1 are transmitted using the second uplink channel.
  • 1+UTI2 indicates that the second uplink channel is used.
  • the bit status value of the display bit received by the network device on the second uplink channel is 1, 1, and the network device determines to receive the first SR, the second SR, and UTI0.
  • the bit status value of the display bit received by the network device on the second uplink channel is 1, 0, and the network device determines to receive the first SR, the second SR, and UTI1.
  • the bit status value of the display bit received by the network device on the second uplink channel is 0, 1, and the network device determines to receive the first SR, the second SR, and UTI2.
  • the bit status value of the display bit received by the network device on the second uplink channel is 0, 0, and the network device determines to receive the second SR.
  • Second upstream channel Bit state value 1+UTI0 1 Second upstream channel 1,1 (display bit) 1+UTI1 1 Second upstream channel 1,0 (display bit) 1+UTI2 1 Second upstream channel 0,1 (display bit) 0 1 Second upstream channel 0,0 (display bit)
  • time domain resources of at least two uplink channels overlap.
  • the time domain resources of the at least two uplink channels may be partially overlapping or completely overlapping.
  • each of the at least two uplink channels sends a scheduling request, which may cause the uplink single carrier characteristics to be destroyed, thereby causing loss of uplink transmission performance, but if only A scheduling request is sent through an uplink channel, and other scheduling requests cannot be sent to the network device in time.
  • the first uplink channel sends a first scheduling request
  • the second uplink channel sends a second scheduling request, which causes the uplink single carrier characteristic to be destroyed, thereby causing uplink The transmission performance is lost. If only the first uplink channel is allowed to send the first scheduling request, the second scheduling request cannot be sent to the network device in time.
  • one uplink channel when time domain resources of at least two uplink channels overlap, one uplink channel can be selected from at least two uplink channels to send all scheduling requests that need to be sent, thereby avoiding loss of uplink transmission performance. And can send all scheduling requests that need to be sent to the network device in time. It can be understood that if the time domain resources of at least two uplink channels do not overlap, the terminal device can separately use the at least two uplink channels to send a scheduling request without using channel selection to transmit.
  • the selected uplink channel is a first uplink channel
  • the terminal device may further determine, according to the first power factor, a transmit power of the first uplink channel.
  • the selected uplink channel is the second uplink channel
  • the terminal device may further determine, according to the second power factor, the transmit power of the second uplink channel.
  • the value of the second power factor is smaller than the value of the first power factor.
  • the embodiment of the present invention may divide the function module into the device according to the foregoing method example.
  • each function module may be divided according to each function, or two or more functions may be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of the module in the embodiment of the present invention is schematic, and is only a logical function division, and the actual implementation may have another division manner.
  • FIG. 3 is a terminal device provided by an implementation of the present invention.
  • the terminal device may be the terminal device shown in FIG. 2 in the foregoing method embodiment.
  • the terminal device includes a communication module 301 and a processing module 302. among them:
  • the processing module 302 is configured to determine at least one scheduling request, and the processing module 302 is further configured to select one uplink channel from the at least two uplink channels, where the at least two uplink channels are used to transmit a scheduling request, where the at least two uplink channels include An uplink channel and a second uplink channel; the communication module 301 is configured to send at least one scheduling request by using the selected uplink channel.
  • the attribute value of the first uplink channel is smaller than the attribute value of the second uplink channel
  • the attribute values of the first uplink channel and the second uplink channel include at least one of the following: the number of bits carried, the number of bit states that are carried, The modulation order, the code rate, and the number of scheduling requests carried.
  • the first uplink channel and the second uplink channel include at least one of the following: a delay requirement corresponding to the first uplink channel is smaller than a delay requirement corresponding to the second uplink channel; and a priority ratio corresponding to the first uplink channel is The priority corresponding to the two uplink channels is high; the reliability corresponding to the first uplink channel is higher than the reliability corresponding to the second uplink channel; the quality of service QoS corresponding to the first uplink channel is higher than the QoS corresponding to the second uplink channel;
  • the transport block size corresponding to the channel is smaller than the transport block size corresponding to the second uplink channel; the subcarrier spacing of the resources occupied by the first uplink channel is greater than the subcarrier spacing of the resources occupied by the second uplink channel; and the resources occupied by the first uplink channel are The length of time is less than the length of the resource occupied by the second uplink channel; the power factor corresponding to the first uplink channel is greater than the power factor corresponding to the second uplink channel.
  • the service corresponding to the first uplink channel is an ultra-reliable low-latency communication URLLC service.
  • the selected uplink channel is the first uplink channel
  • the manner in which the communication module 301 sends the at least one scheduling request by using the selected uplink channel is specifically: the communication module 301 sends at least one scheduling request by using the transmission of the first uplink channel.
  • the selected uplink channel is a first uplink channel
  • the communications module 301 is further configured to send an uplink transmission indication on the first uplink channel.
  • the selected uplink channel is the second uplink channel
  • the communication module 301 sends the at least one scheduling request by using the selected uplink channel.
  • the communication module 301 sends an explicit bit through the second uplink channel, where the explicit bit is used. Indicates at least one scheduling request.
  • the processing module 302 selects an uplink channel from the at least two uplink channels, where the processing module 302 selects one uplink channel from the at least two uplink channels according to the at least one scheduling request, where the at least one scheduling request corresponds.
  • At least one first information the first information including at least one of a delay requirement, a priority, a reliability, a quality of service QoS, a transport block size, a subcarrier spacing of the resource, and a time length of the resource.
  • time domain resources of at least two uplink channels overlap.
  • FIG. 4 is a network device provided by an implementation of the present invention.
  • the network device may be the network device shown in FIG. 2 in the foregoing method embodiment.
  • the network device includes a communication module 401 and a processing module 402. among them:
  • the processing module 402 is configured to detect at least one uplink channel of the at least two uplink channels, where the at least two uplink channels are used to transmit a scheduling request, and the at least two uplink channels include a first uplink channel and a second uplink channel; And for receiving at least one scheduling request on one of the at least two uplink channels.
  • the attribute value of the first uplink channel is smaller than the attribute value of the second uplink channel
  • the attribute values of the first uplink channel and the second uplink channel include at least one of the following: the number of bits carried, the number of bit states carried, and modulation. The order, the code rate, and the number of scheduling requests carried.
  • the first uplink channel and the second uplink channel include at least one of the following: a delay requirement corresponding to the first uplink channel is smaller than a delay requirement corresponding to the second uplink channel; and a priority ratio corresponding to the first uplink channel is The priority corresponding to the two uplink channels is high; the reliability corresponding to the first uplink channel is higher than the reliability corresponding to the second uplink channel; the quality of service QoS corresponding to the first uplink channel is higher than the QoS corresponding to the second uplink channel;
  • the transport block size corresponding to the channel is smaller than the transport block size corresponding to the second uplink channel; the subcarrier spacing of the resources occupied by the first uplink channel is greater than the subcarrier spacing of the resources occupied by the second uplink channel; and the resources occupied by the first uplink channel are The length of time is less than the length of the resource occupied by the second uplink channel; the power factor corresponding to the first uplink channel is greater than the power factor corresponding to the second uplink channel.
  • the service corresponding to the first uplink channel is an ultra-reliable low-latency communication URLLC service.
  • the network device receives the at least one scheduling request on the first uplink channel, and the manner in which the communication module 401 receives the at least one scheduling request on the first uplink channel is specifically: the appearance of the transmission by the communication module 401 through the first uplink channel, Receive at least one scheduling request.
  • the network device receives the at least one scheduling request on the first uplink channel
  • the communications module 401 is further configured to receive an uplink transmission indication on the first uplink channel.
  • the network device receives the at least one scheduling request on the second uplink channel, and the manner in which the communications module 401 receives the at least one scheduling request on the first uplink channel is specifically: the communications module 401 receives the explicit bit carried by the second uplink channel.
  • the display bit is used to indicate at least one scheduling request.
  • FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • the terminal device may be the terminal device shown in FIG. 2 in the foregoing method embodiment.
  • the terminal device 500 includes a processor 501, a memory 502, and a communication interface 503.
  • the processor 501, the memory 502 and the communication interface 503 are connected.
  • the processor 501 can be a central processing unit (CPU), a general purpose processor, a coprocessor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC). , field programmable gate array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof.
  • the processor 501 can also be a combination of computing functions, such as one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication interface 503 is used to implement communication with other network elements, such as network devices.
  • the processor 501 calls the program code stored in the memory 502, and can perform the steps performed by the terminal device described in FIG. 2 in the foregoing method embodiment, or perform other steps performed by the terminal device in the method embodiment.
  • FIG. 6 is a schematic structural diagram of a network device according to an embodiment of the present application.
  • the network device may be the network device shown in FIG. 2 in the foregoing method embodiment.
  • the network device 600 includes a processor 601, a memory 602, and a communication interface 603.
  • the processor 601, the memory 602 and the communication interface 603 are connected.
  • the processor 601 can be a central processing unit (CPU), a general-purpose processor, a coprocessor, a digital signal processor (DSP), and an application-specific integrated circuit (ASIC). , field programmable gate array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof.
  • the processor 601 can also be a combination of computing functions, such as one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication interface 603 is used to implement communication with other network elements, such as network devices.
  • the processor 601 invokes the program code stored in the memory 602 to perform the steps performed by the network device described in FIG. 2 in the foregoing method embodiment, or other steps performed by the network device in the method embodiment.
  • each device provided in the embodiment of the present application is similar to the method embodiment of the present application. Therefore, the implementation of each device may refer to the implementation of the method, and is not described here.

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

Abstract

Les modes de réalisation de la présente invention concernent un procédé de transmission de demande de planification et un équipement associé, le procédé comprenant les étapes suivantes : un dispositif terminal détermine au moins une demande de planification; le dispositif terminal sélectionne un canal de liaison montante parmi au moins deux canaux de liaison montante, lesdits deux canaux de liaison montante étant utilisés pour transmettre des demande de planification, et lesdits deux canaux de liaison montante comprenant un premier canal de liaison montante et un second canal de liaison montante; et le dispositif terminal envoie au moins une demande de planification au moyen du canal de liaison montante sélectionné. Ainsi, au moyen des modes de réalisation de la présente invention, lorsqu'il existe de multiples canaux de liaison montante, le dispositif terminal peut sélectionner de manière flexible un canal de liaison montante approprié parmi les multiples canaux de liaison montante selon les besoins, de façon à envoyer une ou plusieurs demandes de planification.
PCT/CN2018/088848 2017-06-16 2018-05-29 Procédé de transmission de demande de planification et équipement associé WO2018228177A1 (fr)

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