WO2020164356A1 - Procédé de communication et appareil de communication - Google Patents

Procédé de communication et appareil de communication Download PDF

Info

Publication number
WO2020164356A1
WO2020164356A1 PCT/CN2020/072085 CN2020072085W WO2020164356A1 WO 2020164356 A1 WO2020164356 A1 WO 2020164356A1 CN 2020072085 W CN2020072085 W CN 2020072085W WO 2020164356 A1 WO2020164356 A1 WO 2020164356A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
service
terminal
resource pool
sending
Prior art date
Application number
PCT/CN2020/072085
Other languages
English (en)
Chinese (zh)
Inventor
石小丽
王君
曾清海
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 WO2020164356A1 publication Critical patent/WO2020164356A1/fr

Links

Images

Classifications

    • 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
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control

Definitions

  • This application relates to the field of neural networks, and in particular to a communication method and communication device.
  • the pre-confiured resource pool may be a resource pool pre-configured by a network device.
  • the device pre-configured resource pool may be obtained from the network device when the terminal device is in the network coverage area.
  • the network device may be a base station.
  • the terminal device obtains the pre-configured resource pool through a broadcast message of the base station.
  • the pre-configured resource can also be a resource pool that the device manufacturer configures in the terminal device in advance according to the agreement.
  • the resource pool of the side-link may not be able to meet the current demand for direct communication on the side-link.
  • the resource pool of the side link has poor adaptability, which leads to poor reliability of the terminal device's direct communication on the side link SL.
  • the pre-configured resource pool in the area where the terminal equipment is located is usually fixed, and cannot be based on actual conditions, such as the poor quality of the wireless channel on the current side link SL and the existing resource pool If the number of resources in the system is small, it should be adaptively optimized.
  • the existing mechanism only considers how the network device obtains the CBR information of the side link when the terminal device is in the connected state, and does not consider when the terminal device is in an idle state, or is located in an area not covered by the network or a wireless link occurs. How does the network device obtain the CBR information of the side link when it fails?
  • a terminal device can send first information to a network device so that the network device can adaptively optimize the configuration to the terminal device in the side chain according to the first information sent by the terminal device.
  • the resource pool for direct communication on the road SL can also realize that when the terminal device is in idle state, or when the terminal device has a radio link failure RLF problem, or when the terminal device is in the OOC area not covered by the network, the terminal device can The device sends CBR information so that the network device can optimally configure the resource pool for the terminal device to directly communicate on the side link SL, so as to improve the configuration efficiency of the resource pool for the terminal device to directly communicate on the side link SL, thereby improving the terminal The communication quality and efficiency of the device's direct communication on the side link SL.
  • a communication method is provided, and the communication method is applied to a network device.
  • the communication method includes: receiving first information of a side link SL sent by a terminal device.
  • the first information is used to optimize the resource pool of the side link SL, and the first information includes one or more of QoS information, channel busy ratio CBR information, service transmission information, or service reception information.
  • the aforementioned resource pool may be a V2X resource pool.
  • the above optimization of the resource pool on the side link SL may include: increasing the V2X resource pool, reducing the V2X resource pool, replacing the V2X resource pool, and changing the V2X resource pool usage mode. For example, increase or decrease the number of subframes, resource blocks, and subchannels in the V2X resource pool, replace some or all of the subframes, resource blocks, and subchannels in the V2X resource pool, and change the subframes in the V2X resource pool , The use of resource blocks and sub-channels.
  • the foregoing QoS information includes one or more of: reliability information of service transmission, time delay of service transmission, and rate of service transmission.
  • the above CBR information includes terminal equipment information.
  • the above-mentioned terminal device information may include: information that the terminal device has a radio link failure RLF problem, or information that the terminal device is in an OOC area that is not covered by the network, or information that the terminal device is in a normal network connection state, etc.
  • the foregoing CBR information may further include: at least one of an identifier of a resource pool, CBR information of a physical side shared channel PSSCH, and CBR information of a physical side control channel PSCCH.
  • the foregoing service sending information includes: the location of the sending terminal, and at least one of the following: the type of service sent by the sending terminal, the time at which the sending terminal sends the service, and the identity of the sending terminal.
  • the above service reception information includes the location of the receiving terminal and at least one of the following: the type of service that the receiving terminal is interested in, the time when the receiving terminal receives the service, and the identifier of the receiving terminal.
  • the foregoing service sending information and service receiving information are used to determine QoS information.
  • the foregoing communication method may further include: receiving an area identifier sent by the terminal device, and/or an identifier of the resource pool.
  • the foregoing communication method may further include: receiving a resource pool type sent by the terminal device.
  • the resource pool type may include a public resource pool, an abnormal resource pool, or a dedicated resource pool.
  • a communication method is provided.
  • the communication method is applied to terminal equipment.
  • the communication method includes: sending first information of the side link SL to a network device.
  • the first information includes one or more of service quality QoS information, channel busy ratio CBR information, service transmission information or service reception information.
  • the network device can adaptively optimize the resource pool for direct communication of the terminal device on the side link SL according to the first information sent by the terminal device, which can solve the problem that when the terminal device is in an idle state, or When the terminal device has a radio link failure RLF problem, because the terminal device does not send CBR information, the network device cannot optimize the resource pool of the terminal device directly communicating on the side link SL, and can solve the problem when the terminal device is in the network
  • the network device cannot adaptively optimize the pre-configured resource pool for the terminal device to directly communicate on the side link SL according to the actual situation. It is possible to adaptively optimize the resource pool for the terminal device to directly communicate on the side link SL, thereby improving the communication quality and efficiency of the terminal device’s direct communication on the side link SL.
  • the above QoS information includes one or more of: reliability information of service transmission, delay of service transmission, and rate of service transmission.
  • the above CBR information includes terminal equipment information.
  • the above-mentioned terminal device information may include: information that the terminal device has a radio link failure RLF problem, or information that the terminal device is in an OOC area that is not covered by the network, or information that the terminal device is in a normal network connection state, etc.
  • the foregoing CBR information may further include at least one of an identifier of a resource pool, CBR information of a physical side shared channel PSSCH, and CBR information of a physical side control channel PSCCH.
  • the foregoing service sending information includes: the location of the sending terminal, and at least one of the following: the type of service sent by the sending terminal, the time at which the sending terminal sends the service, and the identity of the sending terminal.
  • the above service reception information includes the location of the receiving terminal and at least one of the following: the type of service that the receiving terminal is interested in, the time when the receiving terminal receives the service, and the identifier of the receiving terminal.
  • the foregoing service sending information and service receiving information are used to determine QoS information.
  • the aforementioned communication method may further include: sending an area identifier and/or an identifier of a resource pool to the network device.
  • the above communication method may further include: sending the resource pool type to the network device.
  • the resource pool type may include a public resource pool, an abnormal resource pool, or a dedicated resource pool.
  • the above communication method may further include: receiving a sending trigger condition of the first information from the network device.
  • the sending trigger condition includes a sending period, and/or, a preset measurement event.
  • a communication device in a third aspect, includes: a receiving module.
  • the receiving module is used to receive the first information of the side link SL sent by the terminal device.
  • the first information is used to optimize the resource pool of the SL; the first information includes one or more of service quality QoS information, channel busy ratio CBR information, service transmission information or service reception information.
  • the aforementioned QoS information includes one or more of: reliability information of service transmission, time delay of service transmission, and rate of service transmission.
  • the above CBR information includes terminal equipment information.
  • the above-mentioned terminal device information may include: information that the terminal device has a radio link failure RLF problem, or information that the terminal device is in an OOC area that is not covered by the network, or information that the terminal device is in a normal network connection state, etc.
  • the foregoing CBR information may further include at least one of an identifier of a resource pool, CBR information of a physical side shared channel PSSCH, and CBR information of a physical side control channel PSCCH.
  • the foregoing service sending information includes: the location of the sending terminal, and at least one of the following: the type of service sent by the sending terminal, the time at which the sending terminal sends the service, and the identity of the sending terminal.
  • the foregoing service reception information includes the location of the receiving terminal and at least one of the following: the type of service that the receiving terminal is interested in, the time when the receiving terminal receives the service, and the identifier of the receiving terminal.
  • the foregoing service sending information and service receiving information are used to determine QoS information.
  • the above-mentioned receiving module is also used to receive the area identifier sent by the terminal device and/or the identifier of the resource pool.
  • the above-mentioned receiving module is also used to receive the resource pool type sent by the terminal device; where the resource pool type may include a public resource pool, an abnormal resource pool, or a dedicated resource pool.
  • a communication device in a fourth aspect, includes: a sending module.
  • the sending module is used to send the first information of the side link SL to the network device.
  • the first information includes one or more of service quality QoS information, channel busy ratio CBR information, service transmission information or service reception information.
  • the aforementioned QoS information includes one or more of: reliability information of service transmission, time delay of service transmission, and rate of service transmission.
  • the above CBR information includes terminal equipment information.
  • the above-mentioned terminal device information may include: information that the terminal device has a radio link failure RLF problem, or information that the terminal device is in an OOC area that is not covered by the network, or information that the terminal device is in a normal network connection state, etc.
  • the foregoing CBR information may further include at least one of an identifier of a resource pool, CBR information of a physical side shared channel PSSCH, and CBR information of a physical side control channel PSCCH.
  • the foregoing service sending information includes: the location of the sending terminal, and at least one of the following: the type of service sent by the sending terminal, the time at which the sending terminal sends the service, and the identity of the sending terminal.
  • the foregoing service reception information includes the location of the receiving terminal and at least one of the following: the type of service that the receiving terminal is interested in, the time when the receiving terminal receives the service, and the identifier of the receiving terminal.
  • the foregoing service sending information and service receiving information are used to determine QoS information.
  • the above-mentioned sending module is also used to send the area identifier and/or the identifier of the resource pool to the network device.
  • the foregoing sending module is also used to send a resource pool type to a network device; wherein, the resource pool type may include a public resource pool, an abnormal resource pool, or a dedicated resource pool.
  • the foregoing communication device may further include: a receiving module.
  • the above-mentioned receiving module is configured to receive the sending trigger condition of the first information from the network device.
  • the sending trigger condition includes a sending period, and/or, a preset measurement event.
  • a communication device in a fifth aspect, includes a processor.
  • the processor is coupled with the memory.
  • the aforementioned memory is used to store computer programs.
  • the foregoing processor is configured to execute the computer program stored in the memory, so that the communication device executes the communication method as described in the first aspect or any one of the possible implementation manners of the first aspect, or executes the second aspect or the second aspect The communication method described in any possible implementation manner.
  • a communication system in a sixth aspect, includes: one or more of the foregoing terminal devices and one or more of the foregoing network devices.
  • a readable storage medium which stores a program or instruction.
  • the program or instruction runs on a computer, the computer executes the method described in the first aspect or any one of the possible implementations of the first aspect.
  • Communication method or implement the communication method as described in the second aspect or any one of the possible implementation manners of the second aspect.
  • a computer program product including computer program code, which when the computer program code runs on a computer, causes the computer to execute the communication method as described in the first aspect or any one of the possible implementation manners of the first aspect , Or execute the communication method as described in the second aspect or any one of the possible implementation manners of the second aspect.
  • the present application provides a system chip that can be used in a communication device.
  • the system chip includes: at least one processor, and related program instructions are executed in the at least one processor to implement On the one hand, the method in the second aspect and the function of the terminal device or network device in any design thereof.
  • the system chip may further include at least one memory, and the memory stores related program instructions.
  • FIG. 1 is a schematic structural diagram of a wireless communication system to which the communication method provided by this application is applicable;
  • FIG. 2 is a first flowchart of a communication method provided by an embodiment of this application.
  • FIG. 3 is a schematic diagram 2 of the flow of the communication method provided by an embodiment of this application.
  • FIG. 4 is a third schematic flowchart of a communication method provided by an embodiment of this application.
  • FIG. 5 is a fourth schematic flowchart of a communication method provided by an embodiment of this application.
  • FIG. 6 is a first structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 7 is a second structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 8 is a first structural diagram of another communication device provided by an embodiment of this application.
  • FIG. 9 is a second structural diagram of another communication device provided by an embodiment of this application.
  • FIG. 10 is a schematic structural diagram of another communication device provided by an embodiment of this application.
  • FIG. 11 is a schematic structural diagram of a system chip provided by an embodiment of the application.
  • the technical solutions of the embodiments of the present application can be applied to various single-standard single-connection wireless communication systems, such as long term evolution (LTE) systems, fifth generation (5G) systems, such as new radio, NR) systems, narrowband-internet of things (NB-IoT) systems, machine type communication (MTC) systems, and future communication systems such as 6G systems. It should be understood that the technical solutions of the embodiments of the present application can also be applied to various single-connection wireless communication systems that adopt a single standard, and also include a single standard that uses a centralized unit-distributed unit (CU-DU) architecture.
  • Single connection wireless communication system such as long term evolution (LTE) systems, fifth generation (5G) systems, such as new radio, NR) systems, narrowband-internet of things (NB-IoT) systems, machine type communication (MTC) systems, and future communication systems such as 6G systems. It should be understood that the technical solutions of the embodiments of the present application can also be applied to various single-connection wireless communication systems that adopt a single
  • the CU may be a baseband unit (BBP) of a base station, and the DU is a remote radio unit (RRU), and the BBU unit and the RRU are connected by optical fibers, network cables, and the like.
  • the CU is the main base station, and the DU is a relay (relay) base station, a micro base station, a femto base station, and so on.
  • MR-DC includes the following three architectures:
  • the primary base station is an LTE base station
  • the secondary base station is an NR base station
  • the two base stations are connected to the LTE core network EPC.
  • This architecture is also called the EN-DC architecture.
  • the primary base station is an LTE base station
  • the secondary base station is an NR base station
  • the two base stations are connected to the NR core network 5GC, where the LTE base station can be called ng-eNB.
  • the primary base station is an NR base station
  • the secondary base station is an LTE base station
  • the two base stations are connected to the NR core network 5GC, where the LTE base station is called ng-eNB.
  • the technical solutions of the embodiments of the present application can also be applied to various single-mode multi-connection wireless communication systems, such as LTE-DC systems, NR-DC systems, and so on. It is easy to understand that the primary base station and secondary base station of the LTE-DC system are both LTE base station eBN, and the primary base station and secondary base station of the NR-DC system are both NR base station gNB.
  • example and “for example” are used to represent examples, illustrations, or illustrations. Any embodiment or design solution described as “example” or “for example” in this application should not be construed as being more preferable or advantageous than other embodiments or design solutions. Rather, the term example is used to present the concept in a concrete way.
  • first or second are only used for the purpose of distinguishing description, and cannot be understood as indicating or implying relative importance, nor as indicating or implying order.
  • first information in this application and other information with different numbers are used only for contextual convenience, and the different sequence numbers themselves do not have specific technical meanings, for example, the first information, the second information, etc., understandable It is one or any of a series of information.
  • the function or role of the numbered information can be determined by the context content of the numbered information and/or determined by the function of the information carried by the numbered information; it is understandable that in specific implementation, different numbered
  • the information can also be the same or the same type of information, the information with different numbers can also be carried in the same message or the same type of message, or the information with different numbers can also be the same message or the same type of message , This application does not limit this.
  • the embodiment of the present application takes a wireless communication system as an example for description. It should be pointed out that the technical solutions provided by the embodiments of the present application can also be applied to other wireless communication systems, and the corresponding names can also be replaced with names of corresponding functions in other wireless communication systems.
  • the communication system 100 shown in FIG. 1 is taken as an example to describe in detail a wireless communication system applicable to the embodiments of the present application.
  • the communication system 100 includes a first terminal device 110, a second terminal device 120 and a network device 130.
  • the above-mentioned first terminal device 110 or second terminal device 120 may be connected to the network device 130 through an air interface, so as to receive network services.
  • the aforementioned network device 130 is mainly used to implement wireless physical layer functions, resource scheduling and wireless resource management, wireless access control, and mobility management functions.
  • the above-mentioned first terminal device 110 and the second terminal device 120 may also communicate directly on the side link SL, such as V2X communication.
  • the resource pool used for direct communication on the above SL can be a resource pool acquired through the "network equipment scheduling" resource acquisition method, or it can be in a pre-configured resource pool through the "terminal device autonomous selection" resource acquisition method
  • the acquired resource pool, the pre-configured resource pool may be a resource pool pre-configured by the network device, and the resource pool pre-configured by the network device may be obtained from the network device when the terminal device is under network coverage.
  • the network device may be A base station
  • the terminal device obtains a pre-configured resource pool through a broadcast message of the base station
  • the pre-configured resource pool may also be a resource pool that the device manufacturer configures in the terminal device in advance according to the agreement.
  • first terminal device 110 and the second terminal device 120 may directly communicate on the side link SL, and may be in the form of V2X communication, such as vehicle-to-vehicle (V2V) communication, and vehicle-to-vehicle (V2V) communication.
  • V2X communication such as vehicle-to-vehicle (V2V) communication, and vehicle-to-vehicle (V2V) communication.
  • Infrastructure (vehicle to infrastructure, V2I) communication, vehicle to network (V2N) communication, vehicle to pedestrian (V2P) communication, etc., can also be other forms of direct communication between terminal devices, such as Pedestrian to pedestrian (P2P) communication.
  • the direct communication between terminal devices can also use other forms or other names of wireless connections, such as the future wireless communication system, the wireless connection used for direct communication between terminal devices,
  • a wireless connection used for direct communication between terminal devices in a 6G system is not limited in this application.
  • the aforementioned network device 130 may be an access network device with a wireless transceiving function or a chip set in the access network device.
  • the access network equipment includes but is not limited to: access points (APs) in the Wi-Fi system, such as home wireless routers, wireless relay nodes, wireless backhaul nodes, transmission and reception points (TRP) Or transmission point, TP, eNB, radio network controller (RNC), Node B (Node B, NB), base station controller (BSC), base transceiver station (base transceiver station, BTS) ), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit (BBU), and can also be 5G, such as NR, gNB in the system, or transmission point (TRP or TP) , One or a group of antenna panels (including multiple antenna panels) of a base station in a 5G system, or, it can also be a network node that constitutes a gNB or transmission point, such as a
  • the gNB may include a centralized unit (CU) and a distributed unit (DU).
  • the gNB may also include a radio unit (RU).
  • CU implements some functions of gNB
  • DU implements some functions of gNB.
  • CU implements radio resource control (RRC), packet data convergence protocol (PDCP) layer and service discovery application specification (service).
  • RRC radio resource control
  • PDCP packet data convergence protocol
  • service service discovery application specification
  • SDAP service discovery application profile
  • DU realizes radio link control (radio link control, RLC), media access control (media access control, MAC) and physical (physical, PHY) layer functions.
  • the network device may be a CU node, or a DU node, or a device including a CU node and a DU node.
  • the CU can be divided into network equipment in the access network RAN, and the CU can also be divided into network equipment in the core network CN, which is not limited here.
  • the aforementioned terminal equipment may be a user equipment with a wireless transceiver function or a chip set in the user equipment.
  • the above-mentioned terminal equipment may also be referred to as a station (STA), user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal , Wireless communication equipment, user agent or user device.
  • STA station
  • UE user equipment
  • access terminal user unit
  • user station mobile station
  • mobile station mobile station
  • remote station remote terminal
  • mobile equipment user terminal
  • Wireless communication equipment user agent or user device.
  • the above-mentioned terminal equipment includes, but is not limited to: mobile phone, tablet computer (Pad), computer with wireless transceiver function, virtual reality (VR) terminal equipment, augmented reality (AR) terminal equipment, industrial Wireless terminal in industrial control, wireless terminal in self-driving, wireless terminal in remote medical, wireless terminal in smart grid, transportation safety (transportation safety) Wireless terminals in smart cities, wireless terminals in smart cities, wireless terminals in smart homes, and sensor devices, such as monitoring terminals.
  • FIG. 1 is only a simplified schematic diagram of an example for ease of understanding, and only shows terminal equipment and access network equipment (base station).
  • the wireless communication system may also include other network devices or other terminal devices, which are not shown in FIG. 1.
  • the above-mentioned network equipment may also be core network equipment, operation/management/maintenance (OAM) equipment, vehicle to everything (V2X) control node, or equipment installed in the access network, A communication chip in a core network device, an OAM device, and a V2X control node, or a device set consisting of at least one of the aforementioned access network device, core network device, OAM device, and V2X control node.
  • the foregoing terminal devices may be multiple, and the foregoing multiple terminal devices use resources in the resource pool to communicate directly on the side link SL, such as directly communicating through a PC5 interface.
  • FIG. 2 is a schematic flowchart of a communication method provided by an embodiment of the application, which can be applied to the wireless communication system shown in FIG. 1.
  • the communication method 200 includes S201-S202:
  • the terminal device sends the first information of the side link SL to the network device.
  • the first information may include one or more of service quality QoS information, channel busy ratio CBR information, service transmission information or service reception information.
  • the first information further includes an identification of the source end, and/or an identification of the destination end, wherein the identification of the source end may be an identification of the originating terminal, and the identification of the destination end may be an identification of the receiving end ,
  • the identification of the source end may be an identification of the originating terminal
  • the identification of the destination end may be an identification of the receiving end
  • One or more of the service ID or the group ID specifically, for unicast, the destination ID is the ID of the receiving terminal, and for multicast, the destination ID is the service ID or the group ID;
  • the source end may also be referred to as the originating end
  • the destination end may also be referred to as the receiving end.
  • a sending terminal and a receiving terminal are used to describe, where the sending terminal can be understood as the source end, and the receiving terminal can be understood as the destination end.
  • the first information may also include a transmission type.
  • the transmission type may be broadcast, unicast or multicast, where multicast can also be understood as multicast.
  • the first information may also include the type of the V2X resource pool, and the type of the resource pool includes a V2X common resource pool (common resource pool) and a V2X common TX resource pool (common TX resource pool), One or more of V2X common RX resource pool, V2X special resource pool (exceptional resource pool), and dedicated resource pool (dedicated resource pool), which are not limited in this application.
  • the first information may also include terminal device information, for example, the terminal device has a wireless link failure problem, or the terminal device is in an area not covered by the network, or the terminal device is in a normal connection state, etc.
  • terminal device information for example, the terminal device has a wireless link failure problem, or the terminal device is in an area not covered by the network, or the terminal device is in a normal connection state, etc.
  • the first information further includes priority information (for example, ProSe Per-PacketPriority, PPPP).
  • priority information for example, ProSe Per-PacketPriority, PPPP.
  • the priority information is the priority of the terminal device using a certain resource for data transmission.
  • the above-mentioned V2X resource pool includes one or more of the V2X public sending resource pool, the V2X public receiving resource pool, the V2X special resource pool, or the dedicated resource pool, which is not limited in this application.
  • the above-mentioned source end identification, destination end identification, sending type, terminal device status, priority information may be included in one or more of the QoS information, CBR information, service sending information or service receiving information.
  • the aforementioned terminal device may be a sending terminal and/or a receiving terminal, and the sending terminal and the receiving terminal communicate directly on the side link SL.
  • the first information may be sent through an existing air interface message or information element between the terminal device and the network device, or sent through a newly defined message or information element, which is not limited in this application.
  • the foregoing service sending information includes one or more of the following: the location of the sending terminal, the type of service sent by the sending terminal, the time at which the sending terminal sends the service, and the identity of the sending terminal.
  • the foregoing service sending information may be management information recorded when the sending terminal sends the service, and may be stored in a log file or a historical record file.
  • the location of the sending terminal may be a map of the sending terminal and geographic coordinates of the navigation module, such as latitude and longitude.
  • the service types sent by the sending terminal may include various forms of services such as voice and video.
  • the time at which the sending terminal sends the service is used to indicate the time information for the sending terminal to send the service data packet.
  • the time information may be absolute time, or it may be relative time, or it may be the frame number in wireless communication,
  • the format of the subframe number, slot sequence number, and symbol sequence number for example, the current frame, subframe, slot, symbol, etc., or it can be based on a certain subcarrier interval, that is, The time information format corresponding to this subcarrier interval.
  • the above-mentioned identification of the sending terminal may include the MAC address of the sending terminal, the Internet protocol (IP) address of the sending terminal, the mobile phone number of the sending terminal, the mobile equipment identity (IMEI), and the international mobile user identification code (international mobile subscriber identification number, IMSI) etc.
  • IP Internet protocol
  • IMEI mobile equipment identity
  • IMSI international mobile subscriber identification number
  • the foregoing service sending information may include: location information of the sending terminal, service information broadcast by the sending terminal, time of broadcasting the service of the sending terminal, and identification of the sending terminal.
  • the foregoing service sending information may include: location information of the sending terminal, unicast/multicast service information of the sending terminal, time of the sending terminal unicast/multicast service, and identification of the sending terminal.
  • the above service reception information includes one or more of the following items: the location of the receiving terminal, the type of service that the receiving terminal is interested in, the time when the receiving terminal receives the service, and the identifier of the receiving terminal.
  • the above service reception information may be management information recorded when the receiving terminal receives the service, and may be stored in a log file or a history record file.
  • the location of the receiving terminal may be a map of the receiving terminal and geographic coordinates of the navigation module, such as latitude and longitude.
  • the type of service that the receiving terminal is interested in may be the type of service that the receiving terminal expects to receive, the type of service received by the receiving terminal, etc., and may include various forms of services such as voice and video.
  • the time when the receiving terminal receives the service is the time information used to instruct the receiving terminal to receive the service data packet.
  • the time information may be absolute time, or it may be relative time, or it may be the frame number in wireless communication.
  • Subframe number, slot sequence number, symbol sequence number format for example, the current frame, subframe, slot, symbol, etc., or it can be based on a certain subcarrier interval, That is, the time information format corresponding to the subcarrier interval.
  • the identification of the receiving terminal may include the MAC address, IP address, service identification, group identification, mobile phone number, IMEI, IMSI, etc. of the receiving terminal.
  • the above-mentioned service reception information may include: location information of the receiving terminal, service information of interest to the receiving terminal, time when the terminal broadcasts the service, and identification of the receiving terminal.
  • the above-mentioned service reception information may include: the location information of the receiving terminal, the unicast/multicast service information received by the receiving terminal, the time of the unicast/multicast service of the receiving terminal, and the information of the receiving terminal. logo.
  • the service information broadcast/multicast by the sending terminal may be different from the service information of interest to the receiving terminal.
  • the sending terminal sends a total of 5 types of services, and the receiving terminal may only be interested in some of the services.
  • the foregoing sending service information and receiving service information may be independently reported by the sending terminal and the receiving terminal, such as a broadcast service.
  • the foregoing sending service information and receiving service information may be reported to the network device by the sending terminal or reported to the network device by the receiving terminal.
  • the foregoing receiving service information may be sent to the sending terminal through an SL interface message.
  • the sending terminal reports the sending service information and the receiving service information, or the sending service information can be sent to the receiving terminal through an SL interface message, and the receiving terminal reports the sending service information and the receiving service information, such as unicast/ Multicast services.
  • a terminal device may be only a sending terminal, or only a receiving terminal, or both a sending terminal and a receiving terminal, which is not limited in this application.
  • terminal device A sends services to terminal device B, but terminal device B does not send services to terminal device A, that is, there is one-way communication between terminal device A and terminal device B, terminal device A is the sending terminal, and terminal device B is Receiving terminal.
  • terminal device A is the sending terminal
  • terminal device B is Receiving terminal.
  • terminal device A sends services to terminal device B and receives services from terminal device C, but terminal device B does not send services to terminal device A, and terminal device A does not send services to terminal device C, then terminal device A It is both a sending terminal and a receiving terminal, and terminal device B is only a receiving terminal, and terminal device C is only a sending terminal.
  • the LTE system and the NR system can support one or more of the aforementioned unicast, multicast, and broadcast. In the case of multiple connections between terminal devices, they can also support the aforementioned unicast, multicast, and broadcast. Two or more of the broadcasts, such as one connection for LTE broadcast, and the other connection for NR multicast. This application does not limit this.
  • the above-mentioned QoS information of SL may include reliability information of SL service transmission, delay of SL service transmission, SL service transmission rate, SL service transmission bit error rate, SL One or more of the packet loss rate of service transmission.
  • the QoS information of the SL can be in the form of levels, for example, in the form of level 1, level 2, and level 3.
  • the QoS of level 3 is better than level 1, or it can also be in other forms, which is not limited in this application. .
  • the level of the QoS information of the SL is the reliability information of the service transmission of the SL, the delay of the service transmission of the SL, the service transmission rate of the SL, the bit error rate of the service transmission of the SL, and the service of the SL.
  • One or more levels of the transmission packet loss rate, that is, the reliability, delay, rate, bit error rate, and packet loss rate of SL service transmission are reflected in the form of levels, and the specific levels are How to divide is not limited in this application.
  • the sending terminal or the receiving terminal may use the sending service information and the receiving service information to estimate the QoS information of the SL and report it to the network device. It can be understood that, given that the data volume of service sending information and service receiving information is usually large, the sending terminal and the receiving terminal may not report the above service sending information and service receiving information. Instead, the sending terminal and/or receiving terminal may report the service according to the above service. Sending information and service receiving information determine and report QoS information with a relatively small amount of data, so as to reduce the amount of data transmitted between the sending terminal and/or the receiving terminal and the network device and the workload of the network device.
  • the above-mentioned QoS information may be all determined by the sending terminal, or all may be determined by the receiving terminal, part of it may be determined by the sending terminal, and the other part may be determined by the receiving terminal, which is not limited in this application.
  • the reliability information of the SL service transmission, the delay of SL service transmission, the rate of SL service transmission, the bit error rate of SL service transmission, and the loss of SL service transmission is determined as follows:
  • the reliability information of the foregoing service transmission may be the number of successful transmissions of service data packets or the transmission success rate.
  • the sending terminal receives a response message fed back by the receiving terminal.
  • the response message includes a confirmation response message or a negative response message.
  • the sending terminal receives the response message within a specified time period If the number of acknowledgements (acknowledge, ACK) fed back by the receiving terminal is greater than the preset number threshold, it can be considered that the communication of the side link SL is reliable.
  • the sending terminal may also use the proportion of confirmation responses as an indicator to measure the communication reliability of the side link SL.
  • the proportion of confirmation responses can be defined as the ratio of the number of confirmation responses to the sum of the number of confirmation responses ACK and the number of non-acknowledge (NACK).
  • the reliability information of the foregoing service transmission may also adopt other indicators, which are not limited in this application.
  • the reliability information of the foregoing service transmission may also be a reliability level.
  • multiple thresholds may be set, and when the above-mentioned determination of the proportion of ACKs, the signal-to-noise ratio, or the bit error rate is in different threshold intervals, they are set to different reliability levels.
  • the above-mentioned service transmission delay refers to the difference between the second time when the receiving terminal receives the service data packet and the first time when the sending terminal sends the service data packet.
  • the first time is T1
  • the second time is T2
  • the above delay is Delay
  • Delay T2-T1.
  • the sending terminal when sending a service data packet, can carry time information, that is, the first moment.
  • the sending terminal carries a time stamp in the data packet.
  • the time of the time stamp can be an absolute time or a relative time. Or, it can also be in the form of frame number, subframe number, slot sequence number, symbol sequence number in wireless communication, for example, which frame, subframe, slot, symbol, etc.
  • a certain subcarrier interval may be used as a reference, that is, the time information format corresponding to the subcarrier interval may be used for receiving.
  • the receiving terminal determines the first moment according to the timestamp carried in the received data packet, that is, the receiving terminal can record the second moment when it receives the service data packet, parse the service data packet to obtain the first moment, and then calculate the aforementioned service Transmission delay.
  • the time delay here refers to the time difference between the second time and the first time, and is not necessarily a direct subtraction of the instruction form used at the second time and the first time.
  • Other similar methods can be used based on the subframe number, slot number, and/or symbol sequence number.
  • the difference between T2 and T1 is the time difference based on the frame number, subframe number, slot sequence number, and/or symbol sequence number. with. The embodiments of this application do not limit this.
  • the above-mentioned service transmission delay may also be the delay between each protocol layer from the sending terminal to the receiving terminal, for example, the delay between the access AS layer, the non-access NAS layer, and the application layer is counted. Yes, it can record time 1 when the sending terminal generates a data packet at a certain protocol layer. Correspondingly, record time 2 when the receiving terminal receives a data packet at the protocol layer. The difference between time 1 and time 2 is The delay between the protocol layers.
  • the sending terminal may not carry the sending time in the sent service data packet, but record the sending time.
  • the receiving terminal bears the receiving time of the received service data packet in the ACK/NACK message and feeds it back to the sending terminal, it sends
  • the terminal can determine the above-mentioned service transmission delay according to the sending time recorded in advance and the receiving time fed back by the receiving terminal.
  • the above-mentioned service transmission rate may be statistically determined by the receiving terminal according to the size and quantity of service data packets received within a specified time period. It is easy to understand that the receiving terminal can also carry the size and data volume of the received service data packet in an ACK/NACK message and feed it back to the sending terminal, and the sending terminal can determine the rate of service transmission.
  • the packet loss rate of the above-mentioned service transmission can be judged by whether the serial SN number of the data packet transmitted by SL is continuous. Specifically, it can be the statistics of the sending terminal, or the statistics of the receiving terminal, which is not limited in this application. . Further optionally, the sending terminal may also count the SL data packet retransmission rate or retransmission times. The SL data packet retransmission rate or retransmission times may be based on the time dimension as the granularity, the carrier frequency granularity, the service granularity, and the data packet Statistics are collected based on granularity, QoS flow granularity, broadcast granularity, unicast granularity, and multicast granularity. Broadcast, multicast, and unicast can be counted together, or a combination of two or two, or separate statistics. This application does not limited.
  • the QoS information of the SL can be reported to the network device by the sending terminal, or can be reported to the network device by the receiving terminal, and part of the QoS information can be sent to the network device by the sending terminal device, and another part of the QoS information
  • the information is reported to the network equipment by the receiving terminal, which is not limited in this application.
  • the sending terminal may determine the reliability information of the service transmission according to the number of acknowledgements ACK and negative acknowledgement NACK carried in the ACK/NACK message fed back by the receiving terminal, and communicate with the receiving terminal after determining the reliability information of the service transmission.
  • the ACK/NACK message carries the above-mentioned service transmission delay and the above-mentioned service transmission rate together and is reported to the network device.
  • the above-mentioned service transmission delay and the above-mentioned service transmission rate can also be determined by the receiving terminal device and the sending terminal only to determine and report the reliability information of the service transmission.
  • the QoS information determined by the sending terminal may be reported by the sending terminal, and the QoS information determined by the receiving terminal may be reported by the sending terminal.
  • the QoS information is reported by the receiving terminal.
  • the foregoing CBR information includes terminal device information, so as to optimize the resource pool for specific application scenarios, and further improve the accuracy of optimizing the resource pool on the side link SL.
  • the terminal device information may include: the terminal device has radio link failure (radio link failure, RLF) information, or the terminal device is in the out of network coverage area (out of coverage, OOC) information, or the terminal device is normal This application is not limited to information about the status of the network connection, etc.
  • the terminal device can record the first information, for example, by minimizing drive-test (MDT) It is recorded in the RLF report of radio link failure, or recorded in the connection failure report, or recorded in the history information of the terminal device, or recorded in the newly defined report, etc., which is not limited in this application.
  • MDT drive-test
  • the terminal device After the terminal device re-establishes the wireless connection with the source network device or the new network device, the first information is reported.
  • the new network device may send the first information to the source network device.
  • the first information recorded by the terminal device includes one or more of first information before RLF/OOC, first information when RLF/OOC occurs, and first information after RLF/OOC occurs, This application is not limited here.
  • the terminal device can directly report the first information to the network device A.
  • the terminal device may report the first information to the network device B, and the network device B forwards it to the network device A.
  • the terminal device may report to the network device the CBR information on the side link SL recorded when the terminal device is located in the OOC area.
  • the above CBR information may also include the pool identity, the CBR of the physical sidelink shared channel (PSSCH), and the CBR of the physical sidelink control channel (PSCCH). At least one of them.
  • PSSCH physical sidelink shared channel
  • PSCCH physical sidelink control channel
  • the above-mentioned communication method may also include:
  • the terminal device sends the area identifier and/or the identifier of the resource pool to the network device.
  • the above communication method may further include:
  • the network device receives the area identifier and/or the identifier of the resource pool sent by the terminal device.
  • the above-mentioned area identifier refers to a zone identifier (zone identifier) of a geographic area preset by a network device.
  • the geographic area can be a rectangular area defined by a reference point, length, and width. Each geographic area can be assigned a unique regional identifier in advance.
  • the sending terminal detects that it is located in a certain geographic area, the sending terminal can report the area identifier of the geographic area.
  • the identifier of the aforementioned resource pool refers to the identifier of the resource pool on the side link SL that has a mapping relationship with the aforementioned geographic area.
  • the above communication method may further include the following steps:
  • the terminal device sends the resource pool type to the network device.
  • the above communication method may further include the following steps:
  • the network device receives the resource pool type sent by the terminal device.
  • the resource pool type may include a common resource pool, or an exception resource pool, or a dedicated resource pool.
  • the aforementioned public resource pool includes direct communication between the terminal device and another terminal device on the side link SL when the air interface communication between the terminal device and the network device is normal.
  • the abnormal resource pool is used when the air interface communication between the terminal device and the network device is abnormal, such as the terminal device has a radio link failure RLF problem or the terminal device is in an OOC area not covered by the network, and the terminal device is on the side of another terminal device. Direct communication on the uplink SL.
  • the terminal device may report the above-mentioned first information to the network device through the air interface between the terminal device and the network device.
  • the network device can receive the first information reported by the terminal device through the air interface between the network device and the terminal device.
  • the first information may be reported to the network device periodically or triggered by an event.
  • the period and event may be pre-configured by the network device, or defined by the protocol, or pre-configured in the terminal device, which is not limited in this application.
  • the aforementioned communication method may further include the following steps:
  • the network device sends a reporting period and/or event to the terminal device.
  • the above communication method may further include the following steps:
  • the terminal device receives the reporting period and/or event sent by the network device.
  • the terminal device may report the first information every N seconds. For another example, when the communication quality of the terminal device on the side link SL is lower than the communication quality threshold, or when the network signal quality detected by the terminal device is lower than the signal quality threshold, the first information is reported.
  • the terminal device can report the first information separately, or combine the first information with other information that needs to be reported, such as location update information, serving cell and/or neighbor cell measurement results, and radio link failure RLF report When we report together, this application is not limited.
  • the network device receives the first information of the side link SL sent by the terminal device, and optimizes the resource pool on the side link SL according to the first information.
  • the network device may directly use one or more of the first information of the terminal device to optimize the resource pool on the side link SL.
  • the network device may directly use the received QoS information, or directly use the received CBR information, or directly use the received service transmission information and the service reception information to optimize the resource pool of the SL.
  • the network device may also determine the QoS information of the SL by using the service sending information and the service receiving information reported by the terminal device, and optimize the resource pool on the side link SL according to the determined QoS information .
  • the specific method for determining the QoS according to the service sending information and the service receiving information can refer to the relevant text description in S201, which will not be repeated here.
  • the network device may also determine the QoS information by using the CBR information reported by the terminal device, and optimize the resource pool on the side link SL according to the determined QoS information.
  • the aforementioned resource pool may be a V2X resource pool.
  • the above optimization of the resource pool on the side link SL may include: increasing the V2X resource pool, reducing the V2X resource pool, replacing the V2X resource pool, changing the V2X resource pool usage mode, and so on.
  • the resource pool of the V2X includes one or more of a common (common) resource pool, an exception (exceptional) resource pool, and a dedicated (dedicated) resource pool.
  • the content of the resource pool includes: zone ID (zone ID), sidelink-subframe of sidelink SL, start resource block (start resource block), number of subchannels (number of subchannels) ), size of subchannel, etc.
  • the above resource pool may also be other types of resource pools, which is not limited in this application.
  • the network device can also deliver the optimized resource pool to the terminal device so that the terminal device can, according to the optimized resource pool, Direct communication with other terminal devices on the side link SL. Therefore, optionally, referring to FIG. 2, as shown in FIG. 3, the communication method 300 provided in the present application may further include:
  • the terminal device sends the first information of the side link SL to the network device.
  • the network device receives the first information of the side link SL sent by the terminal device, and optimizes the resource pool on the side link SL according to the first information.
  • S301-S302 For the specific implementation of S301-S302, please refer to S201-S202, which will not be repeated here.
  • the network device sends the resource pool optimized by the side link SL to the terminal device.
  • the terminal device receives the optimized resource pool on the side link SL sent by the network device.
  • the network device can send to the terminal device through an air interface, such as a broadcast message, a radio resource control (Radio Resource Control, RRC) message, and a non-access stratum (NAS) message.
  • RRC Radio Resource Control
  • NAS non-access stratum
  • the aforementioned network device may be an access network device, such as a base station. After the access network device completes the resource pool optimization, it can directly send the optimized resource pool to the terminal device. It is easy to understand that, in this application, the above-mentioned network device may also be a core network device or an operation, administration and maintenance (OAM) device or a V2X control function node. Among them, the access network device may forward to the core network device or OAM device or the V2X control function node after receiving the first information, and the core network device or OAM device or V2X control function node may complete the resource pool optimization according to the first information , Indirectly send the optimized resource pool to the terminal device through the access network device.
  • OAM operation, administration and maintenance
  • the optimized resource pool has a corresponding relationship with a specific area in the coverage area of the network device, and is used for any terminal device in the specific area and other terminal devices on the side link SL. Direct communication on the Internet.
  • the aforementioned resource pool and the optimized resource pool only have a binding relationship with a specific area within the coverage area of the aforementioned network device.
  • the resource pool corresponding to the specific area or the optimized resource pool may be applicable to any terminal device that enters the specific area, such as a second terminal device. Therefore, optionally, the optimized resource pool may also be directly sent by the network device to the second terminal device located in the coverage area of the network device, so as to improve the communication of the second terminal device directly communicating on the side link SL. Quality and efficiency. Therefore, the above S303-S304 can be replaced with the following one and two:
  • the network device sends the optimized resource pool to the second terminal device.
  • the second terminal device receives the optimized resource pool sent by the network device.
  • FIG. 4 is a schematic flowchart of another communication method provided by an embodiment of the application.
  • the aforementioned network equipment includes a first access network equipment and a second access network equipment.
  • the first access network device is the access network device to which the first terminal device rebuilds the air interface connection
  • the second access network device is the access network device that communicates when the first terminal device has a radio link failure RLF problem
  • the first terminal device There is a signal connection between an access network device and a second access network device, such as X2 and Xn ports.
  • the communication method 400 includes S401-S404:
  • the first terminal device sends a radio link failure RLF report to the first access network device.
  • the first access network device receives the radio link failure RLF report sent by the first terminal device.
  • the first terminal device sends a radio link failure RLF report to the first access network device through the reestablished air interface connection.
  • the radio link failure RLF report carries the foregoing first information.
  • the specific content of the first information please refer to the above S201, which will not be repeated here.
  • S403 The first access network device forwards the radio link failure RLF report to the second access network device.
  • the second access network device receives the radio link failure RLF report forwarded by the first access network device, and generates an optimized resource pool according to the first information carried in the radio link failure RLF report.
  • the above-mentioned radio link failure RLF report may be transmitted through the X2 port and the Xn port between the first access network device and the second access network device.
  • the second access network device can generate an optimized resource pool based on the above first information.
  • the optimization method of the resource pool please refer to the relevant text description in S202, which will not be repeated here.
  • the communication method 400 may further include S405-S408:
  • S405 The second access network device sends the optimized resource pool to the first access network device.
  • the first access network device receives the optimized resource pool sent by the second access network device.
  • the optimized resource pool may also be transmitted through the X2 port and the Xn port between the first access network device and the second access network device.
  • the first access network device forwards the optimized resource pool to the first terminal device.
  • the first terminal device receives the optimized resource pool forwarded by the first access network device.
  • the optimized resource pool can be transmitted through the air interface between the first terminal device and the first access network device.
  • the optimized resource pool can also be saved by the second access network device first, and after the first terminal device enters the coverage area of the second access network device again, the second access network device passes the first terminal The air interface between the device and the second access network device is directly sent to the first terminal device.
  • the optimized resource pool described above has a corresponding relationship with a specific area in the coverage area of the second access network device, and is used to communicate between any terminal device in the specific area and other terminal devices.
  • Direct communication on the side link SL In other words, the aforementioned resource pool and the optimized resource pool only have a binding relationship with a specific area within the coverage area of the second access network device.
  • the resource pool or the optimized resource pool corresponding to the specific area may be applicable to any terminal device that enters the area, such as a second terminal device. Therefore, optionally, the above-mentioned optimized resource pool can also be directly sent by the second access network device to the second terminal device located in the coverage area of the second access network device, so as to improve the side link of the second terminal device.
  • the above S406-S408 can be replaced with the following three and four:
  • the second access network device sends the optimized resource pool to the second terminal device.
  • the second terminal device receives the optimized resource pool sent by the second access network device.
  • the optimized resource pool can be transmitted through the air interface between the second terminal device and the second access network device.
  • the foregoing first access network device and second access network device may be base stations, such as eNB and gNB.
  • FIG. 5 is a schematic flowchart of another communication method provided by an embodiment of this application.
  • the aforementioned network device includes an access network device, and one of a core network device, an OAM device, and a V2X control node that has a signal connection with the access network device.
  • the following uses an access network device and an OAM device as an example to describe in detail another communication method provided in an embodiment of the present application.
  • the communication method 500 includes S501-S504:
  • S501 The terminal device sends the foregoing first information to the access network device.
  • the access network device receives the foregoing first information sent by the terminal device.
  • the terminal device sends the aforementioned first information to the access network device through the rebuilt air interface connection.
  • the specific content of the first information refer to the above S201, which will not be repeated here.
  • S503 The access network device forwards the foregoing first information to the OAM device.
  • the OAM device receives the first information forwarded by the access network device, and generates an optimized resource pool according to the first information.
  • the above-mentioned first information may be transmitted through a wired or wireless interface between the access network device and the OAM device.
  • the OAM can generate an optimized resource pool based on the above first information.
  • the optimization method of the resource pool please refer to the relevant text description in S202, which will not be repeated here.
  • the communication method 500 may further include S505-S508:
  • S505 The OAM device sends the optimized resource pool to the access network device.
  • the access network device receives the optimized resource pool sent by the OAM device.
  • the optimized resource pool can also be transmitted through a wired or wireless interface between the access network device and the OAM device.
  • S507 The access network device sends the optimized resource pool to the terminal device.
  • S508 The terminal device receives the optimized resource pool sent by the access network device.
  • the optimized resource pool can be transmitted through the air interface between the terminal device and the access network device.
  • the network device can adaptively optimize the resource pool for direct communication of the terminal device on the side link SL according to the first information sent by the terminal device, which can solve the problem that when the terminal device is in an idle state, or When the terminal device has a radio link failure RLF problem, because the terminal device does not report CBR information, the network device cannot optimize the resource pool of the terminal device directly communicating on the side link SL, and it can solve the problem when the terminal device is in the network
  • the network device cannot adaptively optimize the pre-configured resource pool for the terminal device to directly communicate on the side link SL according to the actual situation. It is possible to adaptively optimize the resource pool for the terminal device to directly communicate on the side link SL, thereby improving the communication quality and efficiency of the terminal device’s direct communication on the side link SL.
  • FIG. 6 is a schematic structural diagram of a communication device provided by an embodiment of the application, and the communication device is used to perform the function of the network device in the foregoing method embodiment.
  • the communication device 600 includes: a receiving module 601.
  • the receiving module 601 is configured to receive the first information of the side link SL sent by the terminal device.
  • the first information is used to optimize the resource pool of the SL; the first information includes one or more of service quality QoS information, channel busy ratio CBR information, service transmission information or service reception information.
  • the aforementioned QoS information includes one or more of: reliability information of service transmission, time delay of service transmission, and rate of service transmission.
  • the above CBR information includes terminal equipment information.
  • the information of the terminal device includes: information that the terminal device has a radio link failure RLF problem, or information that the terminal device is in an OOC area that is not covered by the network, or information that the terminal device is in a normal network connection state, etc.
  • the foregoing CBR information may further include at least one of an identifier of a resource pool, CBR information of a physical side shared channel PSSCH, and CBR information of a physical side control channel PSCCH.
  • the foregoing service sending information includes: the location of the sending terminal, and at least one of the following: the type of service sent by the sending terminal, the time at which the sending terminal sends the service, and the identity of the sending terminal.
  • the foregoing service reception information includes the location of the receiving terminal and at least one of the following: the type of service that the receiving terminal is interested in, the time when the receiving terminal receives the service, and the identifier of the receiving terminal.
  • the foregoing service sending information and service receiving information are used to determine QoS information.
  • the above-mentioned receiving module 601 is also used to receive the area identifier sent by the terminal device, and/or the identifier of the resource pool.
  • the above-mentioned receiving module 601 is also used to receive a resource pool type sent by a terminal device; where the resource pool type may include a public resource pool, an abnormal resource pool, or a dedicated resource pool.
  • the aforementioned communication device 600 may further include a sending module 602.
  • the sending module 602 is configured to send a sending trigger condition of the first information to the terminal device.
  • the sending trigger condition includes a sending period, and/or, a preset measurement event.
  • the communication device 600 can be a network device, such as the aforementioned access network device, core network device, OAM device, and V2X control node, etc., or can be a communication chip set inside the aforementioned network device. This application does not Make a limit.
  • FIG. 8 is a schematic structural diagram of another communication device provided by an embodiment of the application, and the communication device is used to perform the function of the terminal device in the foregoing method embodiment.
  • the communication device 800 includes: a sending module 801.
  • the sending module 801 is used to send the first information of the side link SL to the network device.
  • the first information includes one or more of service quality QoS information, channel busy ratio CBR information, service transmission information or service reception information.
  • the aforementioned QoS information includes one or more of: reliability information of service transmission, time delay of service transmission, and rate of service transmission.
  • the above CBR information includes terminal equipment information.
  • the above-mentioned information of the terminal device may include: information that the terminal device has a radio link failure RLF problem, or information that the terminal device is in an OOC area that is not covered by the network, or information that the terminal device is in a normal network connection state. This is not limited.
  • the foregoing CBR information may further include at least one of an identifier of a resource pool, CBR information of a physical side shared channel PSSCH, and CBR information of a physical side control channel PSCCH.
  • the foregoing service sending information includes: the location of the sending terminal, and at least one of the following: the type of service sent by the sending terminal, the time at which the sending terminal sends the service, and the identity of the sending terminal.
  • the foregoing service reception information includes the location of the receiving terminal and at least one of the following: the type of service that the receiving terminal is interested in, the time when the receiving terminal receives the service, and the identifier of the receiving terminal.
  • the foregoing service sending information and service receiving information can be used to determine QoS information.
  • the sending module 801 is also used to send an area identifier and/or an identifier of a resource pool to the network device.
  • the sending module 801 is also used to send a resource pool type to a network device; where the resource pool type may include a public resource pool, an abnormal resource pool, or a dedicated resource pool.
  • the aforementioned communication device 800 may further include: a receiving module 802.
  • the receiving module 802 is configured to receive the sending trigger condition of the first information from the network device.
  • the sending trigger condition includes a sending period, and/or, a preset measurement event.
  • the aforementioned preset measurement event may be a switching trigger event.
  • the handover trigger event can be an A3 event, and the parameter Q can be configured for the A3 event.
  • the signal quality of the source base station is higher than the signal quality of the target base station by Q, it is deemed that the aforementioned handover trigger condition is satisfied.
  • the handover trigger event can also be an A5 event, and the parameters K and L can be configured for the A5 event.
  • the signal quality of the source base station is lower than K and the signal quality of the target base station is higher than L, it is deemed that the aforementioned handover is satisfied. Triggering conditions.
  • the communication device 800 may be a terminal device or a chip provided inside the terminal device, which is not limited in this application.
  • FIG. 10 is another communication device provided by an embodiment of this application, which may be applicable to the wireless communication system shown in FIG. 1.
  • the communication device 1000 includes a processor 1001.
  • the processor 1001 is coupled with the memory 1002; the memory 1002 is used for storing computer programs.
  • the processor 1001 is configured to execute a computer program stored in the memory 1002, so that the communication apparatus 1000 executes the function of the network device or the function of the terminal device in the foregoing method embodiment.
  • the processor 1001 is coupled to the memory 1002, and the processor 1001 may be connected to the memory 1002 through the bus 1003.
  • the communication device 1000 includes one or more processors.
  • the one or more processors are configured to support the communication apparatus 1000 to perform the functions of the terminal device in the foregoing method embodiments.
  • the QoS information is determined according to the service sending information and the service receiving information.
  • the communication device 1000 may further include one or more memories, which are coupled to the processor and used to store necessary program instructions and/or data of the communication device 1000.
  • the one or more memories may be integrated with the processor, or may be provided separately from the processor, which is not limited in this application.
  • the communication device 1000 may further include one or more transceivers 1004.
  • the transceiver 1004 is used to support the communication device 1000 to communicate with other devices, and realize the receiving and/or sending functions. For example, sending the first information to the network device, receiving the optimized resource pool, etc.
  • the communication device 1000 may be a smart phone or a wearable device, etc.
  • the transceiver 1004 may be a transceiver circuit.
  • the transceiver may also be an input/output circuit or interface.
  • the communication device 1000 may also be a communication chip.
  • the transceiver 1004 may be an input/output circuit or interface of the communication chip.
  • transceiver 1004 also needs to be coupled to the processor 1001, for example, it can be connected to the processor 1001 through the bus 1003.
  • the communication device 1000 includes a processor 1001, a memory 1002, and a transceiver 1004.
  • the processor 1001 is used to control the transceiver 1004 to send and receive signals
  • the memory 1002 is used to store computer programs
  • the processor 1001 is used to run the computer programs stored in the memory 1002, so that the communication device 1000 executes the functions of the terminal device in the foregoing method embodiments.
  • the communication device 1000 includes one or more processors.
  • the one or more processors are configured to support the communication apparatus 1000 to perform the functions of the network device in the foregoing method embodiments.
  • the resource pool used for direct communication of the terminal device on the side link SL is optimized according to the first information.
  • the communication device 1000 may further include one or more memories, which are coupled to the processor and used to store necessary program instructions and/or data of the communication device 1000.
  • the one or more memories may be integrated with the processor, or may be provided separately from the processor, which is not limited in this application.
  • the communication device 1000 may further include one or more transceivers 1004.
  • the transceiver 1004 is used to support the communication device 1000 to communicate with other devices, and realize the receiving and/or sending functions. For example, receiving the first information sent by the terminal device, and sending the optimized resource pool to the terminal device.
  • the communication device 1000 may be a network device, such as an access network device, a core network device, an OAM device, a V2X control node, etc.
  • the transceiver 1004 may be a transceiver circuit.
  • the transceiver may also be an input/output circuit or interface of a network device.
  • the communication device 1000 may also be a communication chip.
  • the transceiver 1004 may be an input/output circuit or interface of the communication chip.
  • transceiver 1004 also needs to be coupled to the processor 1001, for example, it can be connected to the processor 1001 through the bus 1003.
  • the communication device 1000 includes a processor 1001, a memory 1002, and a transceiver 1004.
  • the processor 1001 is used to control the transceiver 1004 to send and receive signals
  • the memory 1002 is used to store computer programs
  • the processor 1001 is used to run the computer programs stored in the memory 1002, so that the communication device 1000 executes the functions of the network devices in the foregoing method embodiments.
  • the present application provides a wireless communication system, which includes the aforementioned one or more network devices, and one or more terminal devices.
  • This application provides a computer-readable storage medium that stores a program or instruction, and when the program or instruction runs on a computer, the computer executes the function of the terminal device in the above method embodiment or the function of the network device.
  • This application provides a computer program product, including computer program code, which when the computer program code runs on a computer, causes the computer to perform the function of the terminal device in the above method embodiment or the function of the network device.
  • FIG. 11 is a schematic block diagram of the system chip 1100 provided in an embodiment of the present application.
  • the system chip 1100 can be applied to any of the aforementioned terminal devices or any network device. Through the processing of the system chip, the terminal device or network device can perform any possible communication method/system provided in the embodiments of the present application. The operation of terminal equipment or network equipment in the design scheme.
  • the system chip 1100 may include at least one processor 1101. When the program instructions are executed in the at least one processor 1101, any possible design of the communication method/system provided in the embodiments of the present application is implemented. The operation of terminal equipment or network equipment in the scheme.
  • the system chip 1100 may further include at least one memory 1102, and the memory 1102 stores related program instructions.
  • the system chip 1100 may further include an interface circuit 1103 and a bus 1104; the at least one processor 1101, at least one memory 1102, and the interface circuit 1103 are coupled through the bus 1104; the system chip 1100 is connected to the terminal through the interface circuit 1103 Devices or wireless access network devices or other devices in the network interact; optionally, the aforementioned processor 1101 and memory 1102 may be combined into one processing device.
  • the memory 1102 may also be integrated in the processor 1101 or independent of the processor 1101.
  • the processor in the embodiments of the present application may be a central processing unit (central processing unit, CPU), and the processor may also be other general-purpose processors, digital signal processors (digital signal processors, DSP), and dedicated integrated Circuit (application specific integrated circuit, ASIC), field programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electronic Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (RAM), which is used as an external cache.
  • RAM random access memory
  • static random access memory static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • Access memory synchronous DRAM, SDRAM
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory Take memory (synchlink DRAM, SLDRAM) and direct memory bus random access memory (direct rambus RAM, DRRAM).
  • the foregoing embodiments can be implemented in whole or in part by software, hardware (such as circuits), firmware, or any other combination.
  • the above-mentioned embodiments may be implemented in the form of a computer program product in whole or in part.
  • the computer program product includes one or more computer instructions or computer programs.
  • the processes or functions described in the embodiments of the present application are generated in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions may be transmitted from a website, computer, server, or data center. Transmission to another website, computer, server or data center via wired (such as infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center that includes one or more sets of available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium.
  • the semiconductor medium may be a solid state drive.
  • At least one refers to one or more, and “multiple” refers to two or more.
  • “Following at least one item (a)” or similar expressions refers to any combination of these items, including any combination of single item (a) or plural items (a).
  • at least one of a, b, or c can represent one of the following: a; b; c; a and b; a and c; b and c; a, b, and c, where a , B, c can be single or multiple.
  • the size of the sequence number of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, rather than corresponding to the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (read-only memory, ROM), random access memory (random access memory, RAM), magnetic disk or optical disk and other media that can store program code .

Landscapes

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

Abstract

La présente invention concerne un procédé de communication et un appareil de communication, destinés à être utilisés dans la mise en oeuvre d'une optimisation automatique d'un groupe de ressources pour une communication directe d'un dispositif terminal sur une liaison latérale (SL), ce qui permet d'assurer et d'améliorer la qualité de communication et l'efficacité de communication directe du dispositif terminal sur la SL. Le procédé comprend les étapes suivantes : un dispositif de réseau optimise de manière adaptative, selon des premières informations envoyées par un dispositif terminal, un groupe de ressources pour une communication directe du dispositif terminal sur une SL, les premières informations comprenant une ou plusieurs informations de qualité de service (QoS), des informations de taux d'occupation de canal (CBR), des informations de transmission de service, ou des informations de réception de service.
PCT/CN2020/072085 2019-02-14 2020-01-14 Procédé de communication et appareil de communication WO2020164356A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910114428.1 2019-02-14
CN201910114428.1A CN111565455B (zh) 2019-02-14 2019-02-14 通信方法及通信装置

Publications (1)

Publication Number Publication Date
WO2020164356A1 true WO2020164356A1 (fr) 2020-08-20

Family

ID=72045456

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/072085 WO2020164356A1 (fr) 2019-02-14 2020-01-14 Procédé de communication et appareil de communication

Country Status (2)

Country Link
CN (1) CN111565455B (fr)
WO (1) WO2020164356A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113256373A (zh) * 2021-05-17 2021-08-13 北京京东振世信息技术有限公司 单据分发方法、装置和服务器
CN114125907A (zh) * 2020-08-28 2022-03-01 上海华为技术有限公司 一种可靠性保障方法及相关装置
WO2023142976A1 (fr) * 2022-01-29 2023-08-03 华为技术有限公司 Procédé et appareil de communication, support de stockage lisible et système de puce

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112153599B (zh) * 2020-09-22 2023-03-24 中信科智联科技有限公司 一种消息的传输方法、装置、车联网设备及管理节点
WO2023108477A1 (fr) * 2021-12-15 2023-06-22 Oppo广东移动通信有限公司 Procédé et appareil de commande de sélection de ressources, dispositif, et support de stockage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105578382A (zh) * 2014-11-06 2016-05-11 中兴通讯股份有限公司 资源的获取、配置方法及装置，资源池的配置方法及装置
WO2018027800A1 (fr) * 2016-08-11 2018-02-15 Panasonic Intellectual Property Corporation Of America Procédé, appareil et système de communication sans fil
CN107820294A (zh) * 2016-09-12 2018-03-20 北京信威通信技术股份有限公司 一种v2x中继传输方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108024230B (zh) * 2016-11-04 2022-06-14 北京三星通信技术研究有限公司 一种v2x通信中的资源选择方法和设备
US11153888B2 (en) * 2017-03-24 2021-10-19 Lg Electronics Inc. Method for selecting carrier for direct communication between user equipments in multi-carrier communication system, and device therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105578382A (zh) * 2014-11-06 2016-05-11 中兴通讯股份有限公司 资源的获取、配置方法及装置，资源池的配置方法及装置
WO2018027800A1 (fr) * 2016-08-11 2018-02-15 Panasonic Intellectual Property Corporation Of America Procédé, appareil et système de communication sans fil
CN107820294A (zh) * 2016-09-12 2018-03-20 北京信威通信技术股份有限公司 一种v2x中继传输方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FUJITSU: "Discussion on QoS-related Fragmentation Metric in NR-V2X", 3GPP DRAFT; R1-1812413, 16 November 2018 (2018-11-16), Spokane, Washington, USA, pages 1 - 7, XP051478613 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114125907A (zh) * 2020-08-28 2022-03-01 上海华为技术有限公司 一种可靠性保障方法及相关装置
CN113256373A (zh) * 2021-05-17 2021-08-13 北京京东振世信息技术有限公司 单据分发方法、装置和服务器
CN113256373B (zh) * 2021-05-17 2023-11-07 北京京东振世信息技术有限公司 单据分发方法、装置和服务器
WO2023142976A1 (fr) * 2022-01-29 2023-08-03 华为技术有限公司 Procédé et appareil de communication, support de stockage lisible et système de puce

Also Published As

Publication number Publication date
CN111565455A (zh) 2020-08-21
CN111565455B (zh) 2023-05-12

Similar Documents

Publication Publication Date Title
WO2020164356A1 (fr) Procédé de communication et appareil de communication
EP3509378B1 (fr) Procédé permettant à un terminal de transmettre des informations de commande de liaison latérale dans un système de communication sans fil, et terminal associé
JP6686132B2 (ja) Ｌｔｅ ｖ２ｘシステムにおけるパケット単位のリソースプール選択
CN108886510B (zh) 消息发送方法和装置
JP2021534629A (ja) ５Ｇ ｅＶ２Ｘのためのリソース管理
US11304080B2 (en) Methods, base station, mobile node and relay node
US11082965B2 (en) Resource allocation method and relevant device
US20220070972A1 (en) Method and Apparatus for Platoon-Based Communications
KR20230035038A (ko) 근접 기반 서비스 원격 및 중계 엔티티 서비스 품질 관리
US11838945B2 (en) Electronic device, communication method and storage medium
US20190223256A1 (en) Data transmission method, network device, and terminal device
WO2020220983A1 (fr) Procédé et appareil de communication et procédé et appareil de détermination de distance
WO2018137364A1 (fr) Procédé d'envoi de données, terminal d'envoi de données, et station de base
US20210360504A1 (en) Method and apparatus for mobility optimization
CN107948964B (zh) 一种无线资源控制消息传输方法及装置
EP3861829A1 (fr) Dispositif de liaison latérale permettant de fournir des informations de qualité de service de liaison latérale
KR20230070005A (ko) 향상된 디스커버리 절차를 위한 방법들 및 단말 디바이스들
WO2021027942A1 (fr) Procédé et appareil permettant un transfert d'informations de capacité
WO2020200043A1 (fr) Procédé de communication et dispositif de communication
KR20080074947A (ko) 멀티캐스트 전달 품질 모니터링 메커니즘
EP4138475A1 (fr) Procédé, appareil et système de détermination d'une ressource
EP4280677A1 (fr) Procédé et appareil de communication
WO2020156394A1 (fr) Procédé et appareil de rétroaction
WO2019226098A1 (fr) Procédés, nœud de transmission et équipement utilisateur de réception permettant la gestion d'une pdu en fonction d'un niveau, d'une version ou d'une fonctionnalité 3gpp
US10264576B2 (en) Method for uplink data transmission, terminal, and wireless communication node

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20755172

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20755172

Country of ref document: EP

Kind code of ref document: A1