WO2023283793A1 - Procédé et appareil pour demander une ressource de transmission, et dispositif et support de stockage - Google Patents

Procédé et appareil pour demander une ressource de transmission, et dispositif et support de stockage Download PDF

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Publication number
WO2023283793A1
WO2023283793A1 PCT/CN2021/105858 CN2021105858W WO2023283793A1 WO 2023283793 A1 WO2023283793 A1 WO 2023283793A1 CN 2021105858 W CN2021105858 W CN 2021105858W WO 2023283793 A1 WO2023283793 A1 WO 2023283793A1
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WIPO (PCT)
Prior art keywords
terminal
resource
transmission
request
scheduling
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PCT/CN2021/105858
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English (en)
Chinese (zh)
Inventor
张博源
卢前溪
冷冰雪
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2021/105858 priority Critical patent/WO2023283793A1/fr
Priority to CN202180097183.1A priority patent/CN117158085A/zh
Publication of WO2023283793A1 publication Critical patent/WO2023283793A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application relates to the field of mobile communication, and in particular to a method, device, device and storage medium for requesting transmission resources.
  • the terminal can use mode 1 of the transmission mode to have the network device configure transmission resources for the terminal to perform sidelink transmission; or, through mode 2 of the transmission mode, the network device can configure a resource pool for the terminal, and the terminal can The resource pool performs sensing, and selects transmission resources from the resource pool for sidelink transmission according to the sensing results.
  • the terminal When the terminal is outside the coverage of the network device, or the sensing result of the terminal is inaccurate or unavailable, or the resource pool configured by the network device is congested, the terminal cannot select a suitable transmission resource.
  • Embodiments of the present application provide a transmission resource request method, device, device, and storage medium, and provide a technical solution for a first terminal to schedule a second terminal. Described technical scheme is as follows:
  • a method for requesting transmission resources is provided, which is applied to a first terminal for sidelink transmission, and the method includes:
  • resource request signaling sent by the second terminal, where the resource request signaling is used to request the first terminal to schedule transmission resources for the second terminal;
  • a method for requesting transmission resources is provided, which is applied to a second terminal for sidelink transmission, and the method includes:
  • an apparatus for requesting transmission resources which is used to implement a first terminal for sidelink transmission, and the apparatus includes:
  • a first receiving module configured to receive resource request signaling sent by a second terminal, where the resource request signaling is used to request the first terminal to schedule transmission resources for the second terminal;
  • a first sending module configured to send sidelink scheduling information to the second terminal, where the sidelink scheduling information is used to indicate the first transmission resource scheduled for the second terminal.
  • an apparatus for requesting transmission resources which is used for a second terminal implementing sidelink transmission, and the apparatus includes:
  • a second sending module configured to send resource request signaling to the first terminal, where the resource request signaling is used to request the first terminal to schedule transmission resources for the second terminal;
  • the second receiving module is configured to receive sidelink scheduling information sent by the first terminal, where the sidelink scheduling information is used to indicate the first transmission resource scheduled for the second terminal.
  • a terminal includes: a processor and a transceiver connected to the processor; wherein,
  • the transceiver is configured to receive resource request signaling sent by the second terminal, where the resource request signaling is used to request the first terminal to schedule transmission resources for the second terminal;
  • the transceiver is configured to send sidelink scheduling information to the second terminal, where the sidelink scheduling information is used to indicate the first transmission resource scheduled for the second terminal.
  • a terminal includes: a processor and a transceiver connected to the processor; wherein,
  • the transceiver is configured to send resource request signaling to the first terminal, where the resource request signaling is used to request the first terminal to schedule transmission resources for the second terminal;
  • the transceiver is configured to receive sidelink scheduling information sent by the first terminal, where the sidelink scheduling information is used to indicate the first transmission resource scheduled for the second terminal.
  • a computer-readable storage medium wherein executable instructions are stored in the readable storage medium, and the executable instructions are loaded and executed by a processor to realize the transmission described in the above aspect The resource request method.
  • a chip is provided, the chip includes a programmable logic circuit and/or program instructions, and when the chip is run on a computer device, it is used to realize the transmission resource described in the above aspect request method.
  • a computer program product is provided.
  • the computer program product runs on a processor of a computer device, the computer device executes the method for requesting a transmission resource described in the above aspect.
  • the first terminal By sending resource request signaling to the first terminal from the second terminal in the sidelink transmission, requesting the first terminal to schedule transmission resources for the second terminal, the first terminal schedules transmission resources for the second terminal, and The scheduled transmission resource is sent to the second terminal, so that the second terminal performs sidelink transmission on the transmission resource scheduled by the first terminal.
  • the second terminal can pass The first terminal completes the selection of transmission resources, so that the second terminal can use appropriate transmission resources to complete sidelink transmission.
  • FIG. 1 is a schematic diagram of a transmission mode provided by an exemplary embodiment of the present application
  • Fig. 2 is a schematic diagram of a system architecture provided by an exemplary embodiment of the present application.
  • FIG. 3 is a flow chart of a method for requesting transmission resources provided by an exemplary embodiment of the present application
  • FIG. 4 is a flow chart of a method for requesting transmission resources provided by an exemplary embodiment of the present application
  • Fig. 5 is a method flowchart of a method for requesting transmission resources provided by an exemplary embodiment of the present application
  • FIG. 6 is a flow chart of a method for requesting transmission resources provided by an exemplary embodiment of the present application.
  • FIG. 7 is a flow chart of a method for requesting transmission resources provided by an exemplary embodiment of the present application.
  • Fig. 8 is a method flowchart of a method for requesting transmission resources provided by an exemplary embodiment of the present application.
  • FIG. 9 is a flow chart of a method for requesting transmission resources provided by an exemplary embodiment of the present application.
  • FIG. 10 is a method flowchart of a method for requesting transmission resources provided by an exemplary embodiment of the present application.
  • Fig. 11 is a method flowchart of a method for requesting transmission resources provided by an exemplary embodiment of the present application.
  • Fig. 12 is a method flowchart of a method for requesting transmission resources provided by an exemplary embodiment of the present application
  • Fig. 13 is a method flowchart of a method for requesting transmission resources provided by an exemplary embodiment of the present application
  • Fig. 14 is a method flowchart of a method for requesting transmission resources provided by an exemplary embodiment of the present application.
  • Fig. 15 is a method flowchart of a method for requesting transmission resources provided by an exemplary embodiment of the present application.
  • Fig. 16 is a method flowchart of a method for requesting transmission resources provided by an exemplary embodiment of the present application
  • Fig. 17 is a method flowchart of a method for requesting transmission resources provided by an exemplary embodiment of the present application.
  • Fig. 18 is a structural block diagram of an apparatus for requesting transmission resources provided by an exemplary embodiment of the present application.
  • Fig. 19 is a structural block diagram of an apparatus for requesting transmission resources provided by an exemplary embodiment of the present application.
  • Fig. 20 is a schematic structural diagram of a communication device provided by an exemplary embodiment of the present application.
  • first, second, third, etc. may be used in the present disclosure to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the present disclosure, first information may also be called second information, and similarly, second information may also be called first information. Depending on the context, the word “if” as used herein may be interpreted as “at” or “when” or “in response to a determination.”
  • LTE Long Term Evolution, long-term evolution
  • D2D Device-to-Device, device-to-device communication
  • V2X Vehicle-to-device communication
  • V2X Vehicle to everything
  • V2X communication includes Vehicle to Vehicle (V2V) communication, Vehicle to Infrastructure (V2I) communication and Vehicle to People (V2P) communication.
  • V2X applications will improve driving safety, reduce congestion and vehicle energy consumption, and improve traffic efficiency.
  • S Side Link
  • Device-to-device communication is a sidelink transmission technology. Different from the way communication data is received or sent through network devices in traditional cellular systems, the Internet of Vehicles system uses terminal-to-device direct communication, so it has a higher frequency spectrum. efficiency and lower transmission delay.
  • Two transmission modes of sidelink transmission are defined in 3GPP: Mode 1 and Mode 2.
  • Mode 1 as shown in (1) in FIG. 1 the network device 110 configures transmission resources for the terminal 120, and the terminal 120 performs sidelink data transmission on the configured transmission resources.
  • Mode 2 as shown in (2) in FIG. 1 the network device 110 allocates a resource pool for the terminal 120, and the terminal 120 selects one or more transmission resources from the resource pool for sidelink data transmission.
  • the terminal 120 may select a transmission resource from the resource pool in a sensing (sensing, or translated as "listening") manner, or select a transmission resource from the resource pool in a random selection manner.
  • the terminal relies on resource awareness or random selection to select time-frequency resources from the resource pool (candidate resources) configured or pre-configured by the network device for sending predictive information. Therefore, a more accurate description of mode 2 resource allocation should be resource selection.
  • mode 2a In the SI phase of NR (New Radio, new air interface) V2X, four resource allocation schemes of mode 2 have been proposed, namely mode 2a, mode 2b, mode 2c and mode 2d.
  • Mode 2a means that the terminal selects resources in the resource pool that are not reserved by other terminals or are reserved by other terminals but have low receiving power by decoding the sidelink control information and measuring the received power of the sidelink. Reduce the probability of resource collision and improve communication reliability.
  • Mode 2a generally inherits the main design of the resource selection mechanism in LTE V2X Mode 4, and selects resources based on operations such as resource reservation, resource awareness, and resource exclusion.
  • Mode 2b is a mode in which terminals perform resource selection through cooperation, that is, a terminal sends auxiliary information to help other terminals complete resource selection.
  • the foregoing auxiliary information may be a resource sensing result obtained by the terminal performing resource sensing, or a resource suggested to be used by other terminals.
  • terminal C sends auxiliary information to terminal A and terminal B, and terminal A and terminal B use the auxiliary information and the perception results of their own resource perception to select resources in the resource pool.
  • Mode 2c means that the network device configures or pre-configures a resource pattern (pattern) for the terminal, and the terminal uses the resources in the resource pattern to send the initial transmission and retransmission, so as to achieve the effect of reducing the transmission delay.
  • a resource pattern pattern
  • the terminal selects one of the resource patterns by using resource perception or geographic location information.
  • the terminal directly schedules time-frequency resources for other terminals.
  • the second terminal (scheduled terminal) works in mode 2d
  • the first terminal (scheduling terminal) can work in mode 1 or in mode 2.
  • D2D is divided into different stages for research.
  • ProSe Proximity based Service, proximity-based service
  • Device-to-device communication in Rel-12/13 is researched on the ProSe scenario, which is mainly aimed at public security services.
  • ProSe by configuring the position of the resource pool in the time domain, for example, the resource pool is discontinuous in the time domain, so that the UE (User Equipment, terminal) can discontinuously send/receive data on the sidelink, thereby saving power Effect.
  • V2X Vehicle-to-vehicle
  • Rel-14/15 the vehicle-to-vehicle communication system has been studied, which is mainly oriented to relatively high-speed mobile vehicle-to-vehicle and vehicle-to-human communication services; in V2X, due to the vehicle-to-vehicle system With continuous power supply, power efficiency is not the main problem, but the delay of data transmission is the main problem, so the system design requires the terminal equipment to perform continuous sending and receiving.
  • FeD2D Wearable Devices
  • this scenario studies the scenario where wearable devices access the network through mobile phones, and it is mainly for scenarios with low mobile speed and low power access.
  • the 3GPP conclusion in the pre-research stage is that the network equipment can configure the DRX (Discontinuous Reception, discontinuous reception) parameters of the remote (remote) terminal through a relay (forwarding) terminal, but since this topic has not entered the standardization stage, The exact details of how the DRX configuration is done are inconclusive.
  • NR V2X is not limited to broadcast scenarios, but is further expanded to unicast and multicast scenarios, and the application of V2X is studied in these scenarios.
  • NR V2X will also define the two resource authorization modes of mode 1 and mode 2 above; further, the terminal may be in a mixed mode, that is, it can use mode 1 for resource acquisition and at the same time can use Mode 2 acquires resources.
  • the resource acquisition is indicated through the sidelink authorization, that is, the sidelink authorization indicates the corresponding PSCCH (Physical Sidelink Control Channel, physical sidelink control channel) and PSSCH (Physical Sidelink Shared Channel, physical sidelink shared channel) resource time-frequency location.
  • PSCCH Physical Sidelink Control Channel
  • PSSCH Physical Sidelink Shared Channel, physical sidelink shared channel
  • NR V2X in addition to the HARQ (Hybrid Automatic Repeat reQuest, hybrid automatic repeat request) retransmission initiated by the UE without feedback, NR V2X introduces feedback-based HARQ retransmission, which is not limited to unicast communication, but also includes group broadcast communication.
  • HARQ Hybrid Automatic Repeat reQuest, hybrid automatic repeat request
  • Fig. 2 shows a block diagram of a communication system supporting sidelink transmission provided by an exemplary embodiment of the present application.
  • the communication system may be a schematic diagram of a non-roaming 5G system architecture (Non-roaming 5G system architecture), and the system architecture may be applied to a vehicle networking (Vehicle to everything, V2X) service using D2D (Device to Device, device to device) technology.
  • V2X Vehicle to everything
  • the system architecture includes a data network (Data Network, DN), in which a V2X application server (Application Server) required by the V2X service is set.
  • the system architecture also includes the 5G core network.
  • the network functions of the 5G core network include: unified data management (Unified Data Management, UDM), policy control function (Policy Control Function, PCF), network exposure function (Network Exposure Function, NEF), Application function (Application Function, AF), unified data storage (Unified Data Repository, UDR), access and mobility management function (Access and Mobility Management Function, AMF), session management function (Session Management Function, SMF) and user plane Function (User Plane Function, UPF).
  • the system architecture also includes: a radio access network (New Generation-Radio Access Network, NG-RAN) and 4 terminals (namely, terminal 1 to terminal 4) shown as examples.
  • NG-RAN New Generation-Radio Access Network
  • each terminal is configured with a V2X application (Application) or an application supporting SL transmission.
  • V2X application Application
  • gNBs base stations
  • the data network and the user plane function in the 5G core network are connected through the N6 reference point (Reference Point), and the V2X application server and the V2X application in the terminal are connected through the V1 reference point; the wireless access network and the 5G core network
  • the AMF function and UPF function connection the wireless access network is connected to Terminal 1 and Terminal 5 respectively through the Uu reference point; the sidelink transmission is performed between multiple terminals through the PC5 reference point, and the V5 reference point is used between multiple V2X applications Click to connect.
  • the aforementioned reference points may also be referred to as "interfaces".
  • the "5G NR system" in the embodiments of the present disclosure may also be called a 5G system or an NR system, but those skilled in the art can understand its meaning.
  • the technical solution described in the embodiments of the present disclosure can be applied to the 5G NR system, and can also be applied to the subsequent evolution system of the 5G NR system.
  • the technical solutions described in the embodiments of the present disclosure can be applied to V2x applications, and can also be applied to other applications that use sidelink transmission, such as public safety (public safety) and commercial applications.
  • FIG. 3 shows a flowchart of a method for requesting transmission resources provided by an embodiment of the present application, and the method can be applied to the system architecture shown in FIG. 2 .
  • the method includes the following steps.
  • Step 210 the second terminal sends resource request signaling to the first terminal, where the resource request signaling is used to request the first terminal to schedule transmission resources for the second terminal.
  • the second terminal when the second terminal needs to send data (sidelink data) to the first terminal through sidelink transmission, it sends a resource request signaling to the first terminal, requesting the first terminal to schedule the second terminal for sending Data transmission resources. After receiving the transmission resource (first transmission resource) scheduled for it by the first terminal, the second terminal sends the data for sidelink transmission to the first terminal on the first transmission resource.
  • the second terminal is a sending terminal of the side data
  • the first terminal is a receiving terminal of the side data. If the first terminal schedules transmission resources for the second terminal, then the second terminal is a scheduled terminal, and the first terminal is a scheduling terminal.
  • the resource request signaling is used to request for the second terminal to schedule transmission resources for transmitting sidelink data.
  • the resource request signaling includes at least one of the identifier of the second terminal, the data packet size of the side data, the data priority of the side data, and the service identifier.
  • Step 220 the first terminal receives the resource request signaling sent by the second terminal.
  • the first terminal receives the resource request signaling sent by the second terminal, and according to the resource request signaling, schedules for the second terminal the first transmission resource for sending the sidelink data.
  • Step 230 the first terminal sends sidelink scheduling information to the second terminal, where the sidelink scheduling information is used to indicate the first transmission resource scheduled for the second terminal.
  • the first terminal after determining the first transmission resource scheduled for the second terminal, the first terminal generates sidelink scheduling information, and indicates to the second terminal the first transmission resource scheduled for it in the sidelink scheduling information.
  • the first transmission resource is used to send sidelink data for sidelink transmission.
  • the sidelink scheduling information is carried on PSCCH (Physical Sidelink Control Channel, physical sidelink control channel) or PSSCH (Physical Sidelink Shared Channel, physical sidelink shared channel).
  • PSCCH Physical Sidelink Control Channel, physical sidelink control channel
  • PSSCH Physical Sidelink Shared Channel, physical sidelink shared channel
  • Step 240 the second terminal receives the sidelink scheduling information sent by the first terminal.
  • the second terminal receives the sidelink scheduling information, and sends sidelink data to the first terminal on the first transmission resource indicated by the sidelink scheduling information.
  • the second terminal in the sidelink transmission sends a resource request signaling to the first terminal to request the first terminal to schedule transmission resources for the second terminal, and the second terminal A terminal schedules transmission resources for the second terminal, and sends the scheduled transmission resources to the second terminal, so that the second terminal performs sidelink transmission on the transmission resources scheduled by the first terminal.
  • the second terminal can pass The first terminal completes the selection of transmission resources, so that the second terminal can use appropriate transmission resources to complete sidelink transmission.
  • the method provided in this embodiment can solve the problem that when the second terminal is outside the coverage of the network device and the sensing result is unavailable, the second terminal can obtain reliable transmission resources through the peer terminal (first terminal) in mode 2d. At the same time, when the second terminal is in the mode 2d, even if the second terminal does not perceive it, the reliability of the transmission resource can be guaranteed. Therefore, the power consumption of the second terminal can be effectively reduced.
  • the second terminal before sending the resource request signaling, the second terminal needs to obtain transmission resources for sending the resource request signaling.
  • step 210 further includes step 205
  • step 210 further includes step 211
  • step 220 further includes step 221 .
  • Step 205 the second terminal acquires a second transmission resource for sending resource request signaling.
  • the second transmission resource is used for transmission resource request signaling.
  • the second transmission resource may be determined by the second terminal from a resource pool, may be configured by a network device for the second terminal, or may be scheduled by the first terminal for the second terminal.
  • the second terminal determines the second transmission resource through sensing.
  • the second terminal requests the first terminal to schedule second transmission resources for it.
  • the second terminal requests the network device to configure the second transmission resource for it.
  • the second terminal randomly selects a second transmission resource from the signaling transmission resource pool preconfigured by the first terminal.
  • Step 211 the second terminal sends resource request signaling to the first terminal on the second transmission resource.
  • Step 221 the first terminal receives resource request signaling sent by the second terminal on the second transmission resource.
  • the second terminal can obtain the second transmission resource used for transmission resource request signaling in various ways.
  • the second terminal can obtain the second transmission resource in different ways.
  • the second transmission resource is acquired, and then resource request signaling is sent to the first terminal on the second transmission resource.
  • the second terminal determines the second transmission resource through sensing.
  • step 205 includes step 2051 .
  • the second terminal performs transmission resource sensing on candidate resources to obtain a first sensing result; and determines a second transmission resource based on the first sensing result.
  • the second terminal senses the candidate resources configured by the network device in mode 2, and determines the second transmission resource from the candidate resources according to the sensing result.
  • the candidate resources are transmission resources preconfigured by the network device for the second terminal.
  • the second terminal performs transmission resource sensing on the candidate resources based on the priority of the resource request signaling, and obtains a first sensing result.
  • the priority of the resource request signaling can be configured by the network device, and can also be determined according to the priority of the service attribute.
  • the network device may also configure the priority of the resource request signaling for the second terminal, so that the second terminal performs resource awareness according to the priority of the resource request signaling, so as to select the second transmission resource.
  • the second terminal receives the priority of the resource request signaling configured by the network device for the second terminal; performs transmission resource sensing on candidate resources based on the priority, and obtains a first sensing result.
  • the second terminal may also determine the priority of the resource request signaling according to the priority of the service attribute, and then perform resource awareness according to the priority of the resource request signaling, so as to select the second transmission resource.
  • the second terminal configures the priority of the resource request signaling according to the priority of the service attribute; performs transmission resource sensing on candidate resources based on the priority, and obtains a first sensing result.
  • the second terminal configures the priority of the resource request signaling according to the priority of the service attribute of the second terminal. That is, the priority of the resource request signaling is determined according to the priority of the service attribute of the second terminal.
  • the second terminal removes unavailable transmission resources from the candidate resources based on the first sensing result, and randomly selects a transmission resource from the remaining available transmission resources as the second transmission resource.
  • the second terminal can select the second transmission resource used for transmission resource request signaling from the candidate resources preconfigured by the network device through perception, and then send the second transmission resource to the second transmission resource on the second transmission resource.
  • a terminal sends resource request signaling.
  • the second terminal requests the first terminal to schedule the second transmission resource for it.
  • step 205 includes step 2052 and step 2053 .
  • step 2052 the second terminal sends a first request to the first terminal, and the first request is used to request to obtain transmission resources for sending resource request signaling.
  • the first terminal receives the first request sent by the second terminal, and schedules, according to the first request, second transmission resources for sending resource request signaling for the second terminal.
  • the first request includes a scheduling request (Scheduling Request, SR).
  • SR scheduling request
  • the scheduling request may also be called a sideline scheduling request.
  • the network device configures the SR resource on the sidelink transmission for the second terminal.
  • the second terminal selects a transmission resource from the SR resources configured by the network device and sends a first request (for example, a first SR request) to the first terminal.
  • the first request is used to request to obtain from the first terminal a transmission resource for sending resource request signaling.
  • the first terminal configures the used mode 2 resource pool to the second terminal through PC5-RRC, and at the same time, The first terminal indicates to the second terminal the SR resources used by the second terminal in the resource pool.
  • PC5-RRC Radio Resource Control, radio resource control
  • Step 2052 the first terminal schedules the second transmission resource for sending resource request signaling to the second terminal.
  • the second terminal receives the second transmission resource scheduled by the first terminal for sending the resource request signaling.
  • the second terminal can send the first request to the first terminal, so that the first terminal schedules the second transmission for transmitting resource request signaling to the second terminal according to the first request. resource, and then send resource request signaling to the first terminal on the second transmission resource.
  • the second terminal requests the network device to configure the second transmission resource for it.
  • step 205 includes step 2054 and step 2055 .
  • step 2054 the second terminal sends a second request to the network device, and the second request is used for requesting acquisition of transmission resources for sending resource request signaling.
  • the network device receives the first request sent by the second terminal, and configures, for the second terminal according to the first request, a second transmission resource for sending resource request signaling.
  • the second request includes a side link-buffer status report (Side Link-Buffer Status Report, SL-BSR) or a scheduling request (Scheduling Request, SR).
  • SL-BSR Side Link-Buffer Status Report
  • SR scheduling request
  • the scheduling request may also be called a sideline scheduling request.
  • the second terminal sends a second request to the network device in mode 1, requesting the network device to configure transmission resources for sending resource request signaling for the second terminal.
  • the second terminal autonomously switches the transmission mode to mode 1, and the second terminal sends an SL-BSR or SR to request a transmission resource for sending resource request signaling from the network device.
  • Step 2055 the network device configures the second terminal with a second transmission resource for sending resource request signaling.
  • the second terminal receives the second transmission resource configured by the network device for sending the resource request signaling.
  • the second terminal may send the second request to the network device, so that the network device configures the second terminal with the second transmission resource for transmitting resource request signaling according to the second request, Further, resource request signaling is sent to the first terminal on the second transmission resource.
  • the second terminal randomly selects the second transmission resource from the signaling transmission resource pool preconfigured by the first terminal.
  • step 205 includes step 2056 and step 2057 .
  • Step 2056 the first terminal configures a signaling sending resource pool to the second terminal, and the transmission resources in the signaling sending resource pool are used to send resource request signaling.
  • the first terminal configures a signaling sending resource pool for the second terminal, and when the second terminal needs to send resource request signaling, it selects a transmission resource from the signaling sending resource pool to send resource request signaling .
  • Step 2057 the second terminal determines the second transmission resource for sending the resource request signaling from the signaling sending resource pool.
  • the second terminal randomly selects the second transmission resource for sending the resource request signaling from the signaling sending resource pool.
  • the second terminal may also select the second transmission resource for sending the resource request signaling from the signaling sending resource pool according to the perception result of the signaling sending resource pool.
  • the first terminal can pre-configure a signaling sending resource pool for the second terminal to send resource request signaling, and the second terminal can randomly select a resource pool from the signaling sending resource pool.
  • the resource request signaling is sent to the first terminal on the second transmission resource based on the second transmission resource of the transmission resource request signaling.
  • the first terminal may schedule transmission resources for sending sidelink data for the second terminal in various ways.
  • the first terminal may schedule the first transmission resource for the second terminal in at least the following manners.
  • the first terminal sends a scheduling request to the network device, and determines the first transmission resource from the permission-free scheduling resources configured by the network device.
  • the first terminal sends a buffer status report (SL-BSR) to the network device, and determines the first transmission resource from the third transmission resources configured by the network device.
  • SL-BSR buffer status report
  • the network device configures a scheduling resource pool for the first terminal to schedule other terminals.
  • the first terminal senses the scheduling resource pool according to the service attributes of the second terminal, and determines the first transmission resource from the scheduling resource pool according to the sensing result.
  • the network device configures a scheduling resource pool for scheduling other terminals for the first terminal, and the first terminal autonomously allocates the first transmission resource for the second terminal from the scheduling resource pool.
  • the first terminal sends a scheduling request to the network device, and determines the first transmission resource from the permission-free scheduling resources configured by the network device.
  • FIG. 9 shows a flow chart of a method for requesting transmission resources provided by an embodiment of the present application.
  • the method can be applied to the system architecture shown in FIG. 2 .
  • steps 221 to 223 are also included after step 220 and before step 230 .
  • step 221 the first terminal sends a third request to the network device, where the third request is used for the first terminal to request to schedule the second terminal.
  • the third request is a scheduling request.
  • Step 222 the network device configures the permission-free scheduling resource for the first terminal.
  • the first terminal receives the permission-free scheduling resources configured by the network device for the first terminal.
  • the network device sends the configuration information of the permission-free scheduling resource to the first terminal, where the configuration information of the permission-free scheduling resource indicates the permission-free scheduling resource.
  • the first terminal receives the configuration information of the permission-free scheduling resource sent by the network device.
  • the network device configures the grant-free scheduling resources for the first terminal (for example, through the grant-free scheduling type 1/2 (configured grant type 1/2) indicates the permission-free scheduling resource), and indicates whether the permission-free scheduling resource can be used by the second terminal through at least one of the following methods:
  • the network device carries the destination ID (target identification) of the second terminal in the configuration information of the permission-free scheduling, and the first terminal forwards the permission-free scheduling to the second terminal after receiving the permission-free scheduling.
  • the network device explicitly indicates that the permission-free scheduling resource can be used by the first terminal to schedule other terminals, and after receiving the permission-free scheduling, the first terminal autonomously allocates the permission-free scheduling resource to other terminals it schedules.
  • the network device implicitly configures the permission-free scheduling resources in the scheduling resource pool of the first terminal, and after receiving the permission-free scheduling, the first terminal autonomously allocates the permission-free scheduling resources to other terminals it schedules.
  • the network device configures at least one of the first resource and the second resource for the first terminal.
  • the network device indicates through the destination ID that the first resource is used for transmission by the first terminal; the network device indicates through the destination ID that the second resource is used for the first terminal to schedule other terminals, or for the first terminal to schedule the second terminal.
  • the type of the second resource may be a permission-free scheduling resource.
  • Step 223 the first terminal determines the first transmission resource based on the grant-free scheduling resource.
  • the manner in which the first terminal selects the first transmission resource from the grant-free scheduling resources includes at least the following:
  • step 230 includes step 231 .
  • Step 231 The first terminal forwards the permission-free scheduling resource to the second terminal when the configuration information of the permission-free scheduling resource carries the target identifier of the second terminal, where the permission-free scheduling resource is the first transmission resource.
  • the first terminal receives the configuration information of the license-free scheduling resource sent by the network device. If the configuration information of the permission-free scheduling resource carries the target identifier of the second terminal, the first terminal forwards the configuration information of the permission-free scheduling resource to the second terminal, and the configuration information of the permission-free scheduling resource indicates the permission-free scheduling resource.
  • the second terminal uses the grant-free scheduling resource as the first transmission resource for transmission of sidelink data.
  • step 223 includes step 2231 .
  • the first terminal determines the first transmission resource from the permission-free scheduling resources under the condition that the permission-free scheduling resources are indicated for the first terminal to schedule other terminals.
  • step 223 includes step 2232 .
  • the first terminal determines the first transmission resource from the permission-free scheduling resources under the condition that the permission-free scheduling resources are configured in the scheduling resource pool of the first terminal.
  • the scheduling resource pool is a resource pool configured by the network device for the first terminal.
  • the first terminal may directly use the transmission resources in the scheduling resource pool, or schedule the transmission resources in the scheduling resource pool to other terminals.
  • the network device can indicate which terminals the scheduling resource pool can be used by configuring the destination ID list (destination identification list), QoS list (service quality list), and Service Priority list (service priority list).
  • the first terminal after the first terminal receives the resource request signaling, it can send a scheduling request to the network device, and the network device configures the permission-free scheduling resource for the first terminal, and instructs the permission-free scheduling resource.
  • the scheduling resource can be used to schedule the second terminal
  • the first terminal allocates the first transmission resource for transmitting sidelink data to the second terminal from the permission-free scheduling resources based on the indication, and sends a message indicating the first transmission resource to the second terminal.
  • the sidelink scheduling information of the transmission resource enables the second terminal to send sidelink data to the first terminal on the first transmission resource.
  • the first terminal sends a buffer status report (SL-BSR) to the network device, and determines the first transmission resource from the third transmission resources configured by the network device.
  • SL-BSR buffer status report
  • FIG. 13 shows a flowchart of a method for requesting transmission resources provided by an embodiment of the present application, and the method can be applied to the system architecture shown in FIG. 2 .
  • steps 224 to 226 are also included after step 220 and before step 230 .
  • Step 224 the first terminal sends a cache status report to the network device, where the cache status report includes the resource request indication of the second terminal.
  • the resource request indication of the second terminal is indication information in the resource request signaling, and is used to instruct the second terminal to request configuration of transmission resources.
  • the first terminal reports a buffer status report (SL-BSR) to the network device, and at the same time, the buffer status report carries a resource request indication sent by the second terminal to the first terminal, and the resource request indication includes the resource request signaling in the resource request signaling. at least one type of information.
  • SL-BSR buffer status report
  • the cache status report includes a target identifier for indicating the second terminal, or, the cache status report includes a scheduling field for indicating the second terminal.
  • the first terminal can use different destination IDs (destination identifiers) to distinguish whether the cache status report is the first terminal's request for allocation of transmission resources, or the second terminal's request for allocation of transmission resources.
  • the network device In response to the cache status report including the target identifier of the first terminal, the network device sends the transmission resource configured for the first terminal to the first terminal. In response to including the target identifier of the second terminal in the cache status report, the network device sends the transmission resource configured for the second terminal to the first terminal.
  • the first terminal may also carry a scheduling field in the cache status report, indicating whether the first terminal requests transmission resources for itself or for the second terminal.
  • the network device After receiving the cache status report sent by the first terminal, the network device allocates the third transmission resource to the first terminal. Specifically, the network device may indicate that the third transmission resource is used by the first terminal itself, or used by the first terminal to schedule other terminals (other scheduled terminals), or used by the first terminal to schedule the second terminal. Specifically, the network device may send the indication information through RRC signaling, DL-MAC CE (Downlink-Medium Access Control Control Element, Downlink-Medium Access Control Element) or DCI (Downlink Control Information, downlink control information).
  • DL-MAC CE Downlink-Medium Access Control Element, Downlink-Medium Access Control Element
  • DCI Downlink Control Information, downlink control information
  • Step 225 the network device configures the third transmission resource for the first terminal.
  • the network device configures the third transmission resource to the first terminal, and indicates that the third transmission resource is used by the first terminal to schedule the second terminal, or indicates that the third transmission resource is used by the first terminal to schedule other terminals.
  • the first terminal configures the first transmission resource for the second terminal from the third transmission resource according to an instruction of the network device.
  • step 226 includes step 2261 .
  • the first terminal determines the third transmission resource as the first transmission resource when the third transmission resource is indicated by the network device to be used by the first terminal to schedule the second terminal.
  • step 226 includes step 2262 .
  • the first terminal determines the first transmission resource from the third transmission resource when the third transmission resource is indicated by the network device to be used by the first terminal to schedule other terminals.
  • the first terminal after the first terminal receives the resource request signaling, it can send a cache status report to the network device, and the network device configures the third transmission resource for the first terminal, and instructs the first terminal to 3 Whether the transmission resource can be used to schedule the second terminal, the first terminal allocates the first transmission resource for the second terminal to transmit the sidelink data from the third transmission resource based on the indication, and sends the indication to the second terminal
  • the sidelink scheduling information of a transmission resource enables the second terminal to send sidelink data to the first terminal on the first transmission resource.
  • the network device configures a scheduling resource pool for the first terminal to schedule other terminals, the first terminal senses the scheduling resource pool according to the service attributes of the second terminal, and determines the first transmission from the scheduling resource pool according to the sensing result resource.
  • FIG. 16 shows a flowchart of a method for requesting transmission resources provided by an embodiment of the present application, and the method can be applied to the system architecture shown in FIG. 2 .
  • steps 201 to 202 are included before step 210
  • step 227 is included after step 220 and before step 230 .
  • the network device configures a first scheduling resource pool for the first terminal, and the first scheduling resource pool is used for the first terminal to schedule other terminals.
  • the network device configures a scheduling resource pool (first scheduling resource pool) for the first terminal in advance.
  • the scheduling resource pool can be used only for the first terminal to schedule other terminals, or only for the first terminal to schedule the second terminal, or can be used for the first terminal to schedule other terminals and can also be used by the first terminal itself; It can be used by the first terminal to schedule the second terminal and can be used by the first terminal itself.
  • the network device can indicate which terminals the scheduling resource pool can be used by configuring the destination ID list (destination identification list), QoS list (service quality list), and Service Priority list (service priority list).
  • destination ID list destination identification list
  • QoS list service quality list
  • Service Priority list service priority list
  • Step 202 the second terminal sends the service attribute of the second terminal to the first terminal.
  • the first terminal receives the service attribute of the second terminal sent by the second terminal.
  • the second terminal sends the mode 2 transmission mode switching request to the first terminal, it sends the service attribute of the second terminal to the first terminal.
  • the business attributes of the second terminal include: priority, data packet reliability, QoS (Quality of Service, quality of service) information, period, datagram size estimation, delay PDB (Packet Delay Budget, packet delay budget) requirements, At least one of the number of sub-channels.
  • the service attribute can be sent through PC5-RRC, SL-MAC CE or SCI (Sidelink Control Information, sidelink control information).
  • the first terminal senses the transmission resource of the first scheduling resource pool based on the service attribute, and obtains a second sensing result; and determines the first transmission resource from the first scheduling resource pool based on the second sensing result.
  • the first terminal selects an appropriate transmission resource for the second terminal from the first scheduling resource pool, and schedules the selected transmission resource to the second terminal.
  • the scheduling method can be through PC5-RRC, SL -MAC CE or SCI.
  • the network device can configure a scheduling resource pool for the first terminal in advance, the second terminal sends its own service attributes to the first terminal in advance, and the first terminal receives the resource request signaling , performing perception according to the service attribute, assigning the first transmission resource for transmitting sidelink data to the second terminal from the scheduling resource pool, and sending sidelink scheduling information for indicating the first transmission resource to the second terminal, Make the second terminal send sidelink data to the first terminal on the first transmission resource.
  • the network device configures a scheduling resource pool for the first terminal to schedule other terminals, and the first terminal autonomously allocates the first transmission resource for the second terminal from the scheduling resource pool.
  • FIG. 17 shows a flowchart of a method for requesting transmission resources provided by an embodiment of the present application, and the method can be applied to the system architecture shown in FIG. 2 .
  • step 203 is also included before step 210
  • step 228 is also included after step 220 and before step 230 .
  • step 201 the network device configures a second scheduling resource pool for the first terminal, and the second scheduling resource pool is used for the first terminal to schedule other terminals.
  • the first terminal receives the second scheduling resource pool configured by the network device for the first terminal.
  • the network device configures a scheduling resource pool (second scheduling resource pool) for the first terminal in advance.
  • the scheduling resource pool can be used only for the first terminal to schedule other terminals, or only for the first terminal to schedule the second terminal, or can be used for the first terminal to schedule other terminals and can also be used by the first terminal itself; It can be used by the first terminal to schedule the second terminal and can be used by the first terminal itself.
  • the network device can indicate which terminals the scheduling resource pool can be used by configuring the destination ID list (destination identification list), QoS list (service quality list), and Service Priority list (service priority list).
  • destination ID list destination identification list
  • QoS list service quality list
  • Service Priority list service priority list
  • the first terminal After the first terminal receives the resource request signaling sent by the second terminal, optionally, the first terminal does not need to perform perception according to the service attribute of the second terminal, and the first terminal can autonomously serve the second terminal in the second scheduling resource pool.
  • the second terminal allocates transmission resources.
  • the network device can pre-configure a scheduling resource pool for the first terminal, and after receiving the resource request signaling, the first terminal can autonomously allocate resources from the scheduling resource pool to the second terminal.
  • the first transmission resource for transmitting sidelink data, and sending sidelink scheduling information for indicating the first transmission resource to the second terminal, so that the second terminal sends sidelink data to the first terminal on the first transmission resource .
  • the manner of acquiring the second transmission resource provided in the foregoing embodiment and the manner of scheduling the transmission resource for the second terminal by the first terminal may be combined freely.
  • Fig. 18 shows a structural block diagram of an apparatus for requesting transmission resources provided by an exemplary embodiment of the present application, the apparatus is used to realize the first terminal for sidelink transmission, or one or more modules in the first terminal , the device includes:
  • the first receiving module 401 is configured to receive resource request signaling sent by the second terminal, where the resource request signaling is used to request the first terminal to schedule transmission resources for the second terminal;
  • the first sending module 402 is configured to send sidelink scheduling information to the second terminal, where the sidelink scheduling information is used to indicate the first transmission resource scheduled for the second terminal.
  • the first receiving module 401 is configured to receive the resource request signaling sent by the second terminal on the second transmission resource.
  • the second transmission resource is determined by the second terminal based on a first sensing result, and the first sensing result is the second terminal's perception of the transmission resource of the candidate resource owned.
  • the first sensing result is obtained by the second terminal sensing the transmission resource of the candidate resource based on the priority of the resource request signaling.
  • the priority is configured by the network device for the second terminal.
  • the priority is determined according to the priority of service attributes.
  • the first receiving module 401 is configured to receive a first request sent by the second terminal, and the first request is used for requesting to acquire and send the transmission of the resource request signaling resource;
  • the first sending module 402 is configured to schedule the second transmission resource for sending the resource request signaling to the second terminal.
  • the first request includes a scheduling request SR.
  • the second transmission resource is configured by the network device for the second terminal according to a second request sent by the second terminal, and the second request is used to request to obtain and transmit the The transmission resource of the above-mentioned resource request signaling.
  • the second request includes a sidelink-buffer status report SL-BSR or a scheduling request SR.
  • the first sending module 402 is configured to configure a signaling sending resource pool for the second terminal, and the transmission resources in the signaling sending resource pool are used to send the resources request signaling;
  • the second transmission resource is determined by the second terminal from the signaling sending resource pool.
  • the second transmission resource is randomly selected by the second terminal from the signaling sending resource pool.
  • the device also includes:
  • the first sending module 402 is configured to send a third request to a network device, where the third request is used for the first terminal to request to schedule the second terminal;
  • the first receiving module 401 is configured to receive the permission-free scheduling resource configured by the network device for the first terminal;
  • the first determining module 403 is configured to determine the first transmission resource based on the grant-free scheduling resource.
  • the first receiving module 401 is configured to receive configuration information of the permission-free scheduling resource sent by the network device;
  • the first sending module 402 is configured to forward the permission-free scheduling resource to the second terminal when the configuration information of the permission-free scheduling resource carries the target identifier of the second terminal,
  • the grant-free scheduling resource is the first transmission resource.
  • the first determining module 403 is configured to, when the permission-free scheduling resource is indicated for the first terminal to schedule other terminals, select the permission-free scheduling resource from the permission-free scheduling resource The first transmission resource is determined in .
  • the first determining module 403 is configured to, in the case that the permission-free scheduling resource is configured in the scheduling resource pool of the first terminal, from the permission-free scheduling The first transmission resource is determined in resources.
  • the device also includes:
  • the first sending module 402 is configured to send a cache status report to a network device, where the cache status report includes a resource request indication of the second terminal;
  • the first receiving module 401 is configured to receive a third transmission resource configured by the network device for the first terminal;
  • the first determining module 403 is configured to determine the first transmission resource based on the third transmission resource.
  • the first determining module 403 is configured to, when the third transmission resource is indicated by the network device to be used by the first terminal to schedule the second terminal, Determine the third transmission resource as the first transmission resource.
  • the first determining module 403 is configured to, when the third transmission resource is indicated by the network device to be used by the first terminal to schedule other terminals, from the The first transmission resource is determined in the third transmission resource.
  • the cache status report includes a target identifier used to indicate the second terminal, or, the buffer status report includes a scheduling field used to indicate the second terminal.
  • the device also includes:
  • the first receiving module 401 is configured to receive a first scheduling resource pool configured by a network device for the first terminal, and the first scheduling resource pool is used for the first terminal to schedule other terminals;
  • the first receiving module 401 is configured to receive the service attribute of the second terminal sent by the second terminal;
  • the first sensing module 404 is configured to sense the transmission resource of the first scheduling resource pool based on the service attribute, and obtain a second sensing result;
  • the first determining module 403 is configured to determine the first transmission resource from the first scheduling resource pool based on the second sensing result.
  • the device also includes:
  • the first receiving module 401 is configured to receive a second scheduling resource pool configured by a network device for the first terminal, and the second scheduling resource pool is used for the first terminal to schedule other terminals;
  • the first determining module 403 is configured to allocate the first transmission resource to the second terminal from the second scheduling resource pool.
  • the transmission mode of the first terminal is mode 1
  • the transmission resource selection method of mode 1 is: the network device allocates transmission resources for the terminal;
  • the transmission mode of the first terminal is mode 2
  • the transmission resource selection method of the mode 2 is: the terminal selects transmission resources by itself.
  • Fig. 19 shows a structural block diagram of an apparatus for requesting transmission resources provided by an exemplary embodiment of the present application, and the apparatus is used for a second terminal implementing sidelink transmission, or one or more modules in the second terminal , the device includes:
  • the second sending module 502 is configured to send resource request signaling to the first terminal, where the resource request signaling is used to request the first terminal to schedule transmission resources for the second terminal;
  • the second receiving module 501 is configured to receive sidelink scheduling information sent by the first terminal, where the sidelink scheduling information is used to indicate the first transmission resource scheduled for the second terminal.
  • the acquiring module 505 is configured to acquire a second transmission resource for sending the resource request signaling
  • the second sending module 502 is configured to send the resource request signaling to the first terminal on the second transmission resource.
  • the device also includes:
  • the second sensing module 504 is configured to sense the transmission resources of the candidate resources, and obtain the first sensing result
  • the obtaining module 505 is configured to determine the second transmission resource based on the first sensing result.
  • the second sensing module 504 is configured to sense the transmission resource of the candidate resource based on the priority of the resource request signaling, and obtain the first sensing result.
  • the second receiving module 501 is configured to receive the priority configured by the network device for the resource request signaling for the second terminal.
  • the device also includes:
  • the second determination module 503 is configured to configure the priority of the resource request signaling according to the priority of the service attribute of the second terminal.
  • the second sending module 502 is configured to send a first request to the first terminal, where the first request is used to request to obtain a transmission resource for sending the resource request signaling ;
  • the second receiving module 501 is configured to receive the second transmission resource scheduled by the first terminal for sending the resource request signaling.
  • the first request includes a scheduling request SR.
  • the second sending module 502 is configured to send a second request to the network device, where the second request is used to request acquisition of a transmission resource for sending the resource request signaling;
  • the second receiving module 501 is configured to receive the second transmission resource configured by the network device for sending the resource request signaling.
  • the second request includes a sidelink-buffer status report SL-BSR or a scheduling request SR.
  • the second receiving module 501 is configured to receive a signaling sending resource pool configured by the first terminal for the second terminal, where transmission resources in the signaling sending resource pool are used to send the resource request signaling ;
  • the obtaining module 505 is configured to determine the second transmission resource from the signaling sending resource pool.
  • the acquiring module 505 is configured to randomly select the second transmission resource from the signaling sending resource pool.
  • the first transmission resource is determined by the first terminal based on an unlicensed scheduling resource, and the unlicensed scheduling resource is configured by a network device for the first terminal.
  • the first transmission resource is provided by the first terminal to the second terminal when the configuration information of the grant-free scheduling resource carries the target identifier of the second terminal. Forward the license-exempt scheduling resource.
  • the first transmission resource is obtained from the license-free scheduling resource by the first terminal when the license-free scheduling resource is indicated for the first terminal to schedule other terminals. Determined in Scheduling Resources.
  • the first transmission resource is obtained by the first terminal from the permission-free scheduling resource when the permission-free scheduling resource is configured in the scheduling resource pool of the first terminal. Determined in Grant Scheduling Resources.
  • the first transmission resource is determined based on a third transmission resource
  • the third transmission resource is determined by the network device based on the cache status report sent by the first terminal. Configured by the first terminal, the cache status report includes the resource request indication of the second terminal.
  • the first transmission resource is a situation where the first terminal is instructed by the network device to use the third transmission resource for the first terminal to schedule the second terminal Next, the third transmission resource allocated for the second terminal.
  • the first transmission resource is obtained from the first terminal when the third transmission resource is indicated by the network device to be used by the first terminal to schedule other terminals determined in the third transmission resource.
  • the cache status report includes a target identifier used to indicate the second terminal, or, the buffer status report includes a scheduling field used to indicate the second terminal.
  • the second sending module 502 is configured to send the service attribute of the second terminal to the first terminal
  • the first transmission resource is determined by the first terminal from the first scheduling resource pool based on a second sensing result, and the second sensing result is that the first terminal determines the first scheduling resource according to the service attribute.
  • the resource pool is obtained by sensing transmission resources, and the first scheduling resource pool is a resource pool configured by the network device for the first terminal to schedule other terminals.
  • the first transmission resource is determined by the first terminal from a second scheduling resource pool, and the second scheduling resource pool is configured by a network device for the first terminal.
  • the transmission mode of the first terminal is mode 1
  • the transmission resource selection method of mode 1 is: the network device allocates transmission resources for the terminal;
  • the transmission mode of the first terminal is mode 2
  • the transmission resource selection method of the mode 2 is: the terminal selects transmission resources by itself.
  • FIG. 20 shows a schematic structural diagram of a communication device (terminal or network device) provided by an exemplary embodiment of the present application.
  • the communication device includes: a processor 101 , a receiver 102 , a transmitter 103 , a memory 104 and a bus 105 .
  • the processor 101 includes one or more processing cores, and the processor 101 executes various functional applications and information processing by running software programs and modules.
  • the receiver 102 and the transmitter 103 can be implemented as a communication component, which can be a communication chip.
  • the memory 104 is connected to the processor 101 through the bus 105 .
  • the memory 104 may be used to store at least one instruction, and the processor 101 is used to execute the at least one instruction, so as to implement various steps in the foregoing method embodiments.
  • the memory 104 can be implemented by any type of volatile or non-volatile storage device or their combination.
  • the volatile or non-volatile storage device includes but not limited to: magnetic disk or optical disk, electrically erasable and programmable Electrically-Erasable Programmable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Random Access Memory (SRAM), Read-Only Memory (Read-Only Memory, ROM), magnetic memory, flash memory, programmable read-only memory (Programmable Read-Only Memory, PROM).
  • the processor and the transceiver in the communication device involved in the embodiment of the present application may perform the steps performed by the terminal in any of the methods shown above, which will not be repeated here.
  • the processor is configured to determine a target transmission resource in a resource selection process; and process the target transmission resource by using a re-evaluation and/or preemption process based on partial monitoring.
  • a computer-readable storage medium stores at least one instruction, at least one program, a code set or an instruction set, the at least one instruction, the At least one section of program, the code set or instruction set is loaded and executed by the processor to implement the method for requesting transmission resources performed by the communication device provided in the above method embodiments.
  • a chip the chip includes a programmable logic circuit and/or program instructions, and when the chip is run on a computer device, it is used to implement the transmission resource described in the above aspects request method.
  • a computer program product which, when running on a processor of a computer device, causes the computer device to execute the method for requesting a transmission resource described in the above aspects.
  • the program can be stored in a computer-readable storage medium.
  • the above-mentioned The storage medium mentioned may be a read-only memory, a magnetic disk or an optical disk, and the like.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente demande se rapporte au domaine des communications mobiles. Sont divulgués un procédé et un appareil pour demander une ressource de transmission, et un dispositif et un support de stockage. Le procédé est appliqué à un premier terminal pour une transmission en liaison latérale. Le procédé consiste à : recevoir une signalisation de demande de ressource, qui est envoyée au moyen d'un second terminal, la signalisation de demande de ressource étant utilisée pour demander à un premier terminal de planifier une ressource de transmission pour le second terminal ; et envoyer des informations de planification de liaison latérale au second terminal, les informations de planification de liaison latérale étant utilisées pour indiquer une première ressource de transmission, qui est planifiée pour le second terminal. Au moyen du procédé, une ressource de transmission appropriée peut être sélectionnée pour un terminal pour une transmission en liaison latérale.
PCT/CN2021/105858 2021-07-12 2021-07-12 Procédé et appareil pour demander une ressource de transmission, et dispositif et support de stockage WO2023283793A1 (fr)

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PCT/CN2021/105858 WO2023283793A1 (fr) 2021-07-12 2021-07-12 Procédé et appareil pour demander une ressource de transmission, et dispositif et support de stockage
CN202180097183.1A CN117158085A (zh) 2021-07-12 2021-07-12 传输资源的请求方法、装置、设备及存储介质

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Citations (5)

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Publication number Priority date Publication date Assignee Title
WO2018201500A1 (fr) * 2017-05-05 2018-11-08 华为技术有限公司 Procédé, terminal et dispositif de réseau permettant de demander des ressources de transmission en liaison montante
CN110831213A (zh) * 2018-08-10 2020-02-21 电信科学技术研究院有限公司 一种资源调度方法、终端及网络设备
US20200068600A1 (en) * 2017-05-03 2020-02-27 Huawei Technologies Co., Ltd. Method and device for scheduling uplink transmission resource
WO2020088688A1 (fr) * 2018-11-02 2020-05-07 华为技术有限公司 Procédé et dispositif de configuration de ressources
CN111901783A (zh) * 2020-04-02 2020-11-06 中兴通讯股份有限公司 资源获取、资源调度方法、终端、服务节点及介质

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Publication number Priority date Publication date Assignee Title
US20200068600A1 (en) * 2017-05-03 2020-02-27 Huawei Technologies Co., Ltd. Method and device for scheduling uplink transmission resource
WO2018201500A1 (fr) * 2017-05-05 2018-11-08 华为技术有限公司 Procédé, terminal et dispositif de réseau permettant de demander des ressources de transmission en liaison montante
CN110831213A (zh) * 2018-08-10 2020-02-21 电信科学技术研究院有限公司 一种资源调度方法、终端及网络设备
WO2020088688A1 (fr) * 2018-11-02 2020-05-07 华为技术有限公司 Procédé et dispositif de configuration de ressources
CN111901783A (zh) * 2020-04-02 2020-11-06 中兴通讯股份有限公司 资源获取、资源调度方法、终端、服务节点及介质

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