[go: up one dir, main page]

WO2025129685A1 - Procédés et appareils de communication de liaison latérale, dispositif et support d'enregistrement - Google Patents

Procédés et appareils de communication de liaison latérale, dispositif et support d'enregistrement Download PDF

Info

Publication number
WO2025129685A1
WO2025129685A1 PCT/CN2023/141228 CN2023141228W WO2025129685A1 WO 2025129685 A1 WO2025129685 A1 WO 2025129685A1 CN 2023141228 W CN2023141228 W CN 2023141228W WO 2025129685 A1 WO2025129685 A1 WO 2025129685A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal device
transmission filter
measurement result
spatial domain
channel measurement
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/CN2023/141228
Other languages
English (en)
Chinese (zh)
Inventor
丁伊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to PCT/CN2023/141228 priority Critical patent/WO2025129685A1/fr
Publication of WO2025129685A1 publication Critical patent/WO2025129685A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Definitions

  • terminal devices performing SL communication can transmit and receive through beams (also known as spatial transmission filters).
  • beams also known as spatial transmission filters.
  • channel measurement results such as CBR or CR and use them for congestion control requires further study.
  • the embodiments of the present application provide a side communication method, apparatus, device and storage medium.
  • the technical solution is as follows:
  • a first sending parameter is determined according to the first channel measurement result, where the first sending parameter is used for the first terminal device to perform sideline transmission.
  • a sideline communication method is provided, the method being executed by a second terminal device, the method comprising:
  • First information is sent to a first terminal device, where the first information is used to indicate a first channel measurement result measured by the second terminal device, the first channel measurement result is used to determine a first sending parameter, and the first sending parameter is used for the first terminal device to perform side transmission.
  • a side communication device comprising:
  • a receiving module used to receive first information sent by a second terminal device, where the first information is used to indicate a first channel measurement result measured by the second terminal device;
  • the processing module is used to determine a first sending parameter according to the first channel measurement result, where the first sending parameter is used for the first terminal device to perform side transmission.
  • a sending module is used to send first information to a first terminal device, where the first information is used to indicate a first channel measurement result measured by a second terminal device, where the first channel measurement result is used to determine a first sending parameter, and the first sending parameter is used for the first terminal device to perform side transmission.
  • a terminal device comprising a processor and a memory, wherein the memory stores a computer program, and the processor executes the computer program to implement the side communication method on the first terminal device side, or to implement the side communication method on the second terminal device side.
  • a computer-readable storage medium in which a computer program is stored.
  • the computer program is used to be executed by a processor to implement the side communication method on the first terminal device side mentioned above, or to implement the side communication method on the second terminal device side mentioned above.
  • a chip which includes a programmable logic circuit and/or program instructions.
  • the chip When the chip is running, it is used to implement the side communication method on the first terminal device side mentioned above, or to implement the side communication method on the second terminal device side mentioned above.
  • a computer program product comprising Computer instructions, the computer instructions are stored in a computer-readable storage medium, and the processor reads and executes the computer instructions from the computer-readable storage medium to implement the side communication method on the first terminal device side mentioned above, or to implement the side communication method on the second terminal device side mentioned above.
  • the first terminal device determines the transmission parameters used by the first terminal device itself for side transmission based on the channel measurement result measured by the second terminal device (i.e., the first channel measurement result), thereby realizing the channel measurement method of cooperation between terminals.
  • the transmission parameters used for side transmission determined by the first terminal device are more in line with the congestion level of the system, which helps to improve the accuracy and efficiency of system congestion control.
  • FIG1 is a schematic diagram of a network architecture provided by an embodiment of the present application.
  • FIG2 is a schematic diagram of communication between terminal devices provided by an embodiment of the present application.
  • FIG3 is a schematic diagram of a physical layer structure of SL communication provided by an embodiment of the present application.
  • FIG4 is a schematic diagram of a UE measuring CBR and CR according to an embodiment of the present application.
  • FIG5 is a schematic diagram showing the relationship between priority, CBR range and CBR level provided by an embodiment of the present application.
  • FIG6 is a schematic diagram of a system without using beamforming and a system using beamforming provided by an embodiment of the present application;
  • FIG7 is a flow chart of a side communication method provided by an embodiment of the present application.
  • FIG8 is a schematic diagram of a simple example of a second terminal device measuring a CBR provided by an embodiment of the present application.
  • FIG9 is a schematic diagram of a simple example of a first terminal device measuring a CBR provided by an embodiment of the present application.
  • FIG10 is a schematic diagram of a simple example of a first terminal device measuring a CBR provided by another embodiment of the present application.
  • FIG11 is a flow chart of a side communication method provided by another embodiment of the present application.
  • FIG12 is a block diagram of a side communication device provided by an embodiment of the present application.
  • FIG13 is a block diagram of a side communication device provided by another embodiment of the present application.
  • FIG. 14 is a schematic diagram of the structure of a terminal device provided in one embodiment of the present application.
  • the network architecture and business scenarios described in the embodiments of the present application are intended to more clearly illustrate the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided in the embodiments of the present application.
  • a person of ordinary skill in the art can appreciate that with the evolution of the network architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.
  • the network architecture may include: a core network 11 , an access network 12 , and a terminal device 13 .
  • the core network 11 includes several core network elements.
  • the functions of the core network elements are mainly to provide user connection, user management and service bearing, and to provide an interface to the external network as a bearer network.
  • the core network of the 5G (5th Generation) NR (New Radio) system may include AMF (Access and Mobility Management Function) entity, UPF (User Plane Function) entity and SMF (Session Management Function) entity and other devices.
  • AMF Access and Mobility Management Function
  • UPF User Plane Function
  • SMF Session Management Function
  • the first terminal device determines a third channel measurement result based on the first channel measurement result and the second channel measurement result, and the third channel measurement result is the average value, the larger value, the smaller value, or any one value of the first channel measurement result and the second channel measurement result; the first terminal device determines the first sending parameter based on the third channel measurement result.
  • the first terminal device determines a third CBR level based on the first CBR level and the second CBR level, and the third CBR level is the average value, the larger value, the smaller value, or any one of the first CBR level and the second CBR level; the first terminal device determines the first sending parameter based on the third CBR level.
  • the first sending parameter includes at least one of the following: CR limit, the maximum MCS level corresponding to PSSCH, the minimum MCS level corresponding to PSSCH, the maximum number of subchannels occupied by PSSCH in the frequency domain, the minimum number of subchannels occupied by PSSCH in the frequency domain, the maximum transmission power of PSSCH, and the maximum number of retransmissions of PSSCH.
  • the first terminal device sends third information to the network device, where the third information includes at least one of the following: a first channel measurement result, a second channel measurement result, and a third channel measurement result.
  • the third information includes an average value, a larger value, or a smaller value of the first CBR and the second CBR.
  • the content included in the third information above is only exemplary and explanatory.
  • the third information may also include other situations in addition to the situations introduced above, that is, the third information may include any one or more of the first channel measurement results, the second channel measurement results, and the third channel measurement results. This application does not limit this.
  • the difference between the method 2 and the method 1 is that in the method 1, the first terminal device determines the first transmission parameter based on the second channel measurement result measured by itself and the first channel measurement result measured by the second terminal device, while in the method 2, the first terminal device does not need to consider the second channel measurement result measured by itself when determining the first transmission parameter, such as the first terminal device determines the first transmission parameter only based on the first channel measurement result.
  • the method 2 can also be used to determine the first transmission parameter based on the channel measurement result.
  • the first terminal device can use the method 1 or the method 2 to determine the first transmission parameter.
  • the specific method to be used may depend on the implementation of the first terminal device, and this application does not limit this.
  • the first terminal device determines a CBR level corresponding to the first CBR, and determines a first sending parameter according to the CBR level corresponding to the first CBR.
  • the first terminal device determines the first sending parameter according to the first CBR level.
  • the first terminal determines a sending parameter index according to CBR level B, and determines a first sending parameter according to the sending parameter index.
  • CBR level B is the CBR level indicated by the first information sent by the second terminal device to the first terminal device.
  • the first terminal device determines the priority range to which the priority in Figure 5 belongs based on the priority corresponding to the data in the PSSCH that is about to be transmitted using the first beam in time slot n resource v5, and then determines several CBR ranges and CBR levels corresponding to the priority range. Afterwards, the first terminal device determines the sending parameter index corresponding to the value based on CBR level B. In other words, since the first information directly indicates CBR level B, the first terminal device directly A sending parameter index corresponding to the CBR level B is determined according to the CBR level B, and then a first sending parameter is determined according to the sending parameter index.
  • the first sending parameter includes at least one of the following: CR limit, the maximum MCS level corresponding to PSSCH, the minimum MCS level corresponding to PSSCH, the maximum number of subchannels occupied by PSSCH in the frequency domain, the minimum number of subchannels occupied by PSSCH in the frequency domain, the maximum transmission power of PSSCH, and the maximum number of retransmissions of PSSCH.
  • the third information includes a first CBR.
  • the first CBR is a CBR measured by the second terminal device, and the first CBR may be indicated to the first terminal device by the second terminal device through the first information, and the first CBR may be the CBR_B mentioned above.
  • the third information includes a first CBR level.
  • the first CBR level is a CBR level measured by the second terminal device, and the first CBR level may be indicated to the first terminal device by the second terminal device through the first information, and the first CBR level may be the CBR level B mentioned above.
  • the content included in the third information above is only exemplary and explanatory.
  • the third information may also include other situations besides the situations introduced above, such as the first CBR and the first CBR level, which is not limited in this application.
  • the first terminal device determines the transmission parameters used by the first terminal device itself for side transmission according to the channel measurement result measured by the second terminal device (i.e., the first channel measurement result mentioned above), thereby realizing the channel measurement method of cooperation between terminals.
  • the transmission parameters used for side transmission determined by the first terminal device are more in line with the congestion level of the system, which helps to improve the accuracy and efficiency of the system congestion control.
  • Figure 11 shows a flow chart of a side communication method provided by another embodiment of the present application.
  • the method can be applied to the network architecture shown in Figure 1, for example, the method can be executed by a terminal device.
  • the method may include the following steps:
  • the receiving module 1210 is used to receive first information sent by a second terminal device, where the first information is used to indicate a first channel measurement result measured by the second terminal device.
  • the first sending parameter includes a sending parameter corresponding to a first spatial domain transmission filter of the first terminal device, and the first spatial domain transmission filter is a spatial domain transmission filter used by the first terminal device for transmission.
  • the first channel measurement result is determined based on a first channel quality parameter
  • the first channel quality parameter is a channel quality parameter measured by the second terminal device in a first time domain unit.
  • the apparatus 1200 further includes a sending module 1230 for sending third information to a network device, wherein the third information includes at least one of the following: the first channel measurement result, the second channel measurement result, and the third channel measurement result.
  • the third spatial domain transmission filter covers the first spatial domain transmission filter; or, the third spatial domain transmission filter is a spatial domain transmission filter corresponding to the first spatial domain transmission filter among at least one spatial domain transmission filter used for reception by the first terminal device; wherein the first spatial domain transmission filter is the spatial domain transmission filter used for sending by the first terminal device.
  • the first channel measurement result is CBR or CBR level.
  • the first information is sent by the second terminal device to the first terminal device based on a condition; or, the first information is sent by the second terminal device after receiving second information sent by the first terminal device, and the second information is used to trigger the second terminal device to send the first information.
  • the first sending parameter includes at least one of the following: CR limit, the maximum MCS level corresponding to PSSCH, the minimum MCS level corresponding to PSSCH, the maximum number of sub-channels occupied by PSSCH in the frequency domain, the minimum number of sub-channels occupied by PSSCH in the frequency domain, the maximum transmission power of PSSCH, and the maximum number of retransmissions of PSSCH.
  • the device provided in the above embodiment realizes its functions, only the division of the above functional modules is used as an example.
  • the above functions can be assigned to different functional modules according to actual needs. That is, the content structure of the device is divided into different functional modules to complete all or part of the functions described above.
  • the terminal device 1400 may include: a processor 1401, a transceiver 1402, and a memory 1403.
  • the terminal device 1400 can be used to implement the functions of the first terminal device and/or the second terminal device, such as executing the method steps performed by the first terminal device and/or the second terminal device.
  • the processor 1401 can be used to implement the functions of the above-mentioned processing module, and to control sending and/or receiving.
  • the transceiver 1402 can be used to implement the functions of sending and/or receiving, such as being used to implement the functions of the above-mentioned receiving module and/or sending module.
  • the processor 1401 includes one or more processing cores.
  • the processor 1401 executes various functional applications and information processing by running software programs and modules.
  • the memory 1403 may be connected to the processor 1401 and the transceiver 1402 .
  • the memory 1403 may be used to store a computer program executed by the processor, and the processor 1401 is used to execute the computer program to implement each step in the above method.
  • the transceiver 1402 when the terminal device 1400 is a second terminal device, the transceiver 1402 is used to send first information to the first terminal device, the first information is used to indicate a first channel measurement result measured by the second terminal device, the first channel measurement result is used to determine a first sending parameter, and the first sending parameter is used for the first terminal device to perform side transmission.
  • the memory can be implemented by any type of volatile or non-volatile storage device or a combination thereof, and the volatile or non-volatile storage device includes but is not limited to: a magnetic disk or optical disk, an electrically erasable programmable read-only memory, an erasable programmable read-only memory, a static access memory, a read-only memory, a magnetic memory, a flash memory, and a programmable read-only memory.
  • the embodiment of the present application also provides a computer-readable storage medium, in which a computer program is stored, and the computer program is used to be executed by a processor to implement the above-mentioned side communication method on the first terminal device side, or the side communication method on the second terminal device side.
  • the computer-readable storage medium may include: ROM (Read-Only Memory), RAM (Random-Access Memory), SSD (Solid State Drives) or optical disks, etc.
  • the random access memory may include ReRAM (Resistance Random Access Memory) and DRAM (Dynamic Random Access Memory).
  • An embodiment of the present application also provides a chip, which includes a programmable logic circuit and/or program instructions. When the chip is running, it is used to implement the above-mentioned side communication method on the first terminal device side, or the side communication method on the second terminal device side.
  • An embodiment of the present application also provides a computer program product, which includes computer instructions, and the computer instructions are stored in a computer-readable storage medium.
  • a processor reads and executes the computer instructions from the computer-readable storage medium to implement the above-mentioned side communication method on the first terminal device side, or the side communication method on the second terminal device side.
  • the "indication" mentioned in the embodiments of the present application can be a direct indication, an indirect indication, or an indication of an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association relationship between A and B.
  • corresponding may indicate a direct or indirect correspondence between two items, or an association relationship between the two items, or a relationship between indication and being indicated, configuration and being configured, and the like.
  • predefined can be implemented by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in a device (for example, including a terminal device and a network device), and the present application does not limit the specific implementation method.
  • predefined can refer to what is defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, it may include an LTE protocol, an NR protocol, and related protocols used in future communication systems, which is not limited in the present application.
  • a and/or B can mean: A exists alone, A and B exist at the same time, and B exists alone.
  • the character "/" generally indicates that the related objects are in an "or” relationship.
  • step numbers described in this document only illustrate a possible execution order between the steps.
  • the above steps may not be executed in the order of the numbers, such as two steps with different numbers are executed at the same time, or two steps with different numbers are executed in the opposite order to that shown in the figure.
  • the embodiments of the present application are not limited to this.
  • Computer-readable media include computer storage media and communication media, wherein the communication media include any media that facilitates the transmission of a computer program from one place to another.
  • the storage medium can be any available medium that a general or special-purpose computer can access.

Landscapes

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

Abstract

L'invention concerne des procédés et des appareils de communication de liaison latérale, un dispositif et un support d'enregistrement, qui se rapportent au domaine technique des communications. Un procédé de communication de liaison latérale comprend les étapes suivantes : un premier équipement terminal reçoit des premières informations envoyées par un second équipement terminal, les premières informations étant utilisées pour indiquer un premier résultat de mesure de canal obtenu au moyen d'une mesure par le second équipement terminal (710) ; et sur la base du premier résultat de mesure de canal, le premier équipement terminal détermine un premier paramètre d'envoi, le premier paramètre d'envoi étant utilisé pour que le premier équipement terminal effectue une transmission de liaison latérale (720). Le procédé réalise un mode de mesure de canal sur la base d'une coopération entre des terminaux, de telle sorte qu'un paramètre d'envoi qui est déterminé par un premier équipement terminal et utilisé pour une transmission de liaison latérale est plus conforme au niveau de congestion de système, ce qui facilite l'amélioration de la précision et de l'efficacité de commande de congestion de système.
PCT/CN2023/141228 2023-12-22 2023-12-22 Procédés et appareils de communication de liaison latérale, dispositif et support d'enregistrement Pending WO2025129685A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2023/141228 WO2025129685A1 (fr) 2023-12-22 2023-12-22 Procédés et appareils de communication de liaison latérale, dispositif et support d'enregistrement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2023/141228 WO2025129685A1 (fr) 2023-12-22 2023-12-22 Procédés et appareils de communication de liaison latérale, dispositif et support d'enregistrement

Publications (1)

Publication Number Publication Date
WO2025129685A1 true WO2025129685A1 (fr) 2025-06-26

Family

ID=96136306

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/141228 Pending WO2025129685A1 (fr) 2023-12-22 2023-12-22 Procédés et appareils de communication de liaison latérale, dispositif et support d'enregistrement

Country Status (1)

Country Link
WO (1) WO2025129685A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109075955A (zh) * 2018-07-20 2018-12-21 北京小米移动软件有限公司 信息发送方法、装置、终端及存储介质
CN110291838A (zh) * 2017-02-10 2019-09-27 Lg电子株式会社 无线通信系统中d2d终端与通信装置形成通信链路的方法及其设备
US20210127365A1 (en) * 2018-08-08 2021-04-29 Panasonic Intellectual Property Corporation Of America User equipment and communication methods

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110291838A (zh) * 2017-02-10 2019-09-27 Lg电子株式会社 无线通信系统中d2d终端与通信装置形成通信链路的方法及其设备
CN109075955A (zh) * 2018-07-20 2018-12-21 北京小米移动软件有限公司 信息发送方法、装置、终端及存储介质
US20210127365A1 (en) * 2018-08-08 2021-04-29 Panasonic Intellectual Property Corporation Of America User equipment and communication methods

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NOKIA, NOKIA SHANGHAI BELL: "(TP for LTE-NR coexistence BL CR for TS 36.423): Include RRC info carrying LTE-CRS rate matching parameters", 3GPP DRAFT; R3-182093 (TP FOR NR BL CR FOR TS 36.423) _NOKIA, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. Sanya, P.R. China; 20180416 - 20180420, 6 April 2018 (2018-04-06), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051416970 *

Similar Documents

Publication Publication Date Title
US11050535B2 (en) Method and apparatus for performing sidelink communication in wireless communication systems
CN111434175B (zh) 在无线通信系统中确定无线资源的装置和方法
KR102705649B1 (ko) 사이드 링크 통신 방법, 단말기 및 네트워크 기기
US20190357205A1 (en) Terminal, network device, and communication method
US11395273B2 (en) Method and apparatus for uplink transmission in multi-carrier systems
CN108377559B (zh) 基于波束的多连接通信方法、终端设备及网络设备
JP2020528685A (ja) Ｂｗｐ内の参照信号を利用してｒｓｒｑを測定する方法及びこれを実行する端末
US20170367030A1 (en) Method and device for processing network access, and network access method and device
US11252611B2 (en) Apparatus and method for determining bandwidth in wireless communication system
CN111385766B (zh) 用于无线通信系统中的资源管理的装置和方法
CN110663281B (zh) 为基站终端分配资源的方法及使用该方法的通信设备
CN111818546A (zh) 干扰测量的方法和装置
CN117957893A (zh) 无线通信的方法和终端设备
JP7339348B2 (ja) 無線通信方法、端末デバイス及びネットワークデバイス
US20110080885A1 (en) Apparatus and method for management of extension carrier in base station
CN118556377A (zh) 侧行反馈信道的传输方法、装置、终端及存储介质
CN119923812A (zh) 无线通信系统中用于测量ue到ue交叉链路干扰的方法和装置
EP2620022A1 (fr) Appareil et procédé de gestion d'interférence entre des noeuds de communication
CN118872212A (zh) 用于动态天线端口自适应的信道状态信息参考信号配置
US8781486B1 (en) Resource allocation and band assignment in carrier-aggregated wireless networks
WO2024157643A1 (fr) Terminal, station de base et procédé de communication
WO2025129685A1 (fr) Procédés et appareils de communication de liaison latérale, dispositif et support d'enregistrement
KR102888893B1 (ko) 무선 통신 시스템에서 대역폭 및 커버리지 확보를 위한 장치 및 방법
WO2024002461A1 (fr) Nœud de réseau et procédé dans un réseau de communication
WO2024152245A1 (fr) Procédé et appareil de mesure de liaison latérale, dispositif et support de stockage

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: 23962007

Country of ref document: EP

Kind code of ref document: A1