WO2021258371A1 - 直连通信控制方法、装置及用户设备 - Google Patents
直连通信控制方法、装置及用户设备 Download PDFInfo
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- WO2021258371A1 WO2021258371A1 PCT/CN2020/098261 CN2020098261W WO2021258371A1 WO 2021258371 A1 WO2021258371 A1 WO 2021258371A1 CN 2020098261 W CN2020098261 W CN 2020098261W WO 2021258371 A1 WO2021258371 A1 WO 2021258371A1
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Definitions
- the user equipment determines the busy measurement value of the direct communication channel corresponding to the first time unit
- the first time length threshold is determined by predefined or pre-configured information; or,
- the first time length threshold is determined by downlink control information sent by the base station; or,
- the first time length threshold is determined by the identifier sent by the base station for indicating the first time length threshold and the correspondence between the identifier sent by the base station and the first time length threshold.
- the first time unit is a time unit closest to the second time unit among the candidate time units
- the candidate time unit is a time unit that satisfies the first time unit.
- One or more time units of the qualification are provided.
- the second time length threshold corresponding to the state of each user equipment is determined according to the communication protocol. .
- the first number threshold is determined by downlink control information sent by the base station; or,
- the time unit in the measurement time unit set is not later than the first time unit and the distance from the first time unit does not exceed a second time length threshold; and/or,
- the acquiring unit is further configured to perform any of the following operations:
- the user equipment provided by the embodiments of the present disclosure includes a processor, a transceiver, a memory, and an executable program stored on the memory and capable of being run by the processor. Connect the steps of the communication control method.
- Fig. 3 is a schematic diagram showing the composition structure of a direct user communication device according to an exemplary embodiment
- first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
- first information may also be referred to as second information, and similarly, the second information may also be referred to as first information.
- word “if” as used herein can be interpreted as "when” or “when” or “in response to a certainty”.
- the terminal 11 may also be a device of an unmanned aerial vehicle.
- the terminal 11 may also be an in-vehicle device, for example, it may be a trip computer with a wireless communication function, or a wireless communication device external to the trip computer.
- the terminal 11 may also be a roadside device, for example, it may be a street lamp, a signal lamp, or other roadside device with a wireless communication function.
- the base station 12 may be a network side device in a wireless communication system.
- the wireless communication system may be the 4th generation mobile communication (4G) system, also known as the Long Term Evolution (LTE) system; or, the wireless communication system may also be a 5G system, Also known as New Radio (NR) system or 5G NR system.
- the wireless communication system may also be the next-generation system of the 5G system.
- the access network in the 5G system can be called NG-RAN (New Generation-Radio Access Network). Or, MTC system.
- the base station 12 may be an evolved base station (eNB) used in a 4G system.
- the base station 12 may also be a base station (gNB) adopting a centralized and distributed architecture in the 5G system.
- eNB evolved base station
- gNB base station
- the base station 12 adopts a centralized distributed architecture it usually includes a centralized unit (Central Unit, CU) and at least two distributed units (Distributed Unit, DU).
- the above-mentioned wireless communication system may further include a network management device 13.
- the network management device 13 may be a core network device in a wireless communication system.
- the network management device 13 may be a mobility management entity (Mobility Management Entity) in an Evolved Packet Core (EPC) network. MME).
- the network management device may also be other core network devices, such as Serving GateWay (SGW), Public Data Network GateWay (PGW), and Policy and Charging Rules functional unit (Policy and Charging Rules). Function, PCRF) or Home Subscriber Server (HSS), etc.
- SGW Serving GateWay
- PGW Public Data Network GateWay
- Policy and Charging Rules Policy and Charging Rules
- Function PCRF
- HSS Home Subscriber Server
- 5G V2X new V2X
- NR V2X new V2X
- vehicle fleet management Vehicle Platooning
- extended sensors Extended Sensors
- Advanced Driving and Remote Driving etc.
- the new V2X can provide higher communication rates, shorter communication delays, and more reliable communication quality.
- the new V2X technology mainly considers the communication between in-vehicle devices, and little consideration is given to the needs of mobile terminals such as handheld devices (such as power saving requirements).
- CR(L) is the CR measurement value of the user equipment corresponding to the priority L on slot iN
- CR limit (K) is the user equipment corresponding to the priority L determined according to the high-level configuration and the CBR measurement value on the slot iN The CR threshold.
- Step 201 The user equipment determines the busy measurement value of the direct communication channel corresponding to the first time unit.
- the time unit may be a frame, or a subframe, or a time slot, or a symbol. In another optional manner of the present disclosure, the time unit may be seconds, or milliseconds, or microseconds.
- the user equipment determines a measurement time unit set according to the first time unit; the user equipment measures the direct channel on the measurement time unit set to determine the direct communication busy measurement value.
- Limitation 2 The number of time units in the measurement time unit set is not less than the first number threshold.
- the measurement time unit set corresponds to a measurement window
- the start position of the measurement window corresponds to the earliest time unit in the measurement time unit set
- the end position of the measurement window corresponds to the latest time in the measurement time unit set. unit.
- the measurement window is located before the first time unit, and the distance between the measurement window and the first time unit needs to be less than or equal to the second time length threshold.
- the number of time units included in the measurement window needs to be greater than or equal to the first number threshold.
- the first time unit may be slot n
- the set of measurement time units corresponding to slot n includes multiple slots from slot n-a1 to slot n-a2 Time slot, where a1 and a2 are positive integers, and a1 is greater than a2.
- a1 is less than or equal to the second time length threshold.
- a1-a2 is greater than or equal to the first number threshold.
- the first time unit may be slot n
- the set of measurement time units corresponding to slot n includes ⁇ slot n-a1, slot n-a2, slot, n-a3,... slot n-ak ⁇ multiple discontinuous time slots, where a1>a2>a3>...>ak ⁇ N; where N is the necessary processing time for the user equipment to perform measurement.
- the second time length threshold ⁇ a1>a2>a3>...>ak.
- k is greater than or equal to the first number threshold.
- Manner 1-1 The user equipment determines the second time length threshold based on its own state.
- the second time length threshold is determined based on the state of the user equipment, and different user equipment states correspond to different second time length thresholds.
- Manner 1-2 Determine the second time length threshold corresponding to the state of each user equipment through the downlink control information sent by the base station.
- Manner 1-3 Determine the second time length threshold corresponding to the state of each user equipment according to the communication protocol.
- Method 1-4 Obtain the second time length threshold through predefined or pre-configured information
- the first number threshold may be determined in any of the following ways:
- Manner 2-1 The user equipment determines the first number threshold based on its own state.
- the first number threshold is determined based on the state of the user equipment, and different user equipment states correspond to different first number thresholds.
- Manner 2-4 The user equipment determines the first time length threshold through the identifier sent by the base station and used to indicate the first time length threshold and the correspondence between the identifier sent by the base station and the first time length threshold.
- Manner 2-5 The user equipment pre-defined or pre-configured information determines the first time length threshold.
- Step 202 The user equipment determines the transmission limit of the direct communication on the second time unit according to the busy measurement value of the direct communication channel; wherein, the second time unit and the first time unit meet a defined condition.
- the user equipment may transmit the direct connection data on the second time unit based on at least one of the foregoing transmission restrictions.
- the second time unit is slot i
- the first time length threshold is X time slots
- the time range includes X time slots before slot i (that is, all slots between slot iX and slot i-1). Time slot).
- the possible value set of X can be pre-configured to the user equipment, and the base station instructs the user equipment to use which value in the value set through downlink control information.
- the possible value set of X is ⁇ 200, 300, 400, 500, 600, 700, 800, 1000 ⁇ .
- Manner 4-3 Determine the busy measurement value of the direct communication channel through the identifier sent by the base station for indicating the busy measurement value of the direct communication channel and the correspondence between the identifier sent by the base station and the busy measurement value of the direct communication channel.
- the user equipment uses a default measurement value As a measure of the busyness of the direct communication channel used to determine the transmission limit.
- the first time length threshold is determined by downlink control information sent by the base station; or,
- the first time unit is a time unit closest to the second time unit among the candidate time units
- the candidate time unit is a time unit that satisfies the first time unit.
- One or more time units of the qualification are provided.
- the time unit in the measurement time unit set is not later than the first time unit and the distance from the first time unit does not exceed a second time length threshold; and/or, the The number of time units in the measurement time unit set is not less than the first number threshold.
- the second time length threshold is determined based on the state of the user equipment.
- different user equipment states correspond to different second time length thresholds.
Abstract
Description
Claims (15)
- 一种直连通信控制方法,所述方法包括:用户设备确定第一时间单元对应的直连通信信道繁忙测量值;所述用户设备根据所述直连通信信道繁忙测量值确定第二时间单元上的直连通信的传输限制;其中,所述第二时间单元与所述第一时间单元满足限定条件。
- 根据权利要求1所述的方法,其中,所述传输限制包括以下至少之一:允许的最大发送功率;可使用的调制编码方式;一次传输占用的最大时间;一次传输占用的频率资源数量;一个数据块重新传输的最大次数;信道使用比例CR的上限。
- 根据权利要求1或2所述的方法,其中,所述限定条件包括:所述第一时间单元与所述第二时间单元之间的时间间隔不大于第一时间长度阈值。
- 根据权利要求3所述的方法,其中,所述方法还包括:通过通信协议确定所述第一时间长度阈值;或者,通过预定义或预配置信息确定所述第一时间长度阈值;或者,通过基站发送的下行控制信息确定所述第一时间长度阈值;或者,通过基站发送的用于指示第一时间长度阈值的标识以及通信协议中标识与第一时间长度阈值的对应,确定所述第一时间长度阈值;或者,通过基站发送的用于指示第一时间长度阈值的标识以及基站发送的标识与第一时间长度阈值的对应,确定所述第一时间长度阈值。
- 根据权利要求1至4中任一项所述的方法,其中,所述直连通信信道繁忙测量值为默认测量值。
- 根据权利要求5所述的方法,其中,所述方法还包括:所述用户设备通过预定义或预配置信息获取所述默认测量值;或者,通过基站发送的下行控制信息确定所述直连通信信道繁忙测量值;或者,通过基站发送的用于指示直连通信信道繁忙测量值的标识以及通信协议中标识与直连通信信道繁忙测量值的对应,确定所述直连通信信道繁忙测量值;或者,通过基站发送的用于指示直连通信信道繁忙测量值的标识以及基站发送的标识与直连通信信道繁忙测量值的对应,确定所述直连通信信道繁忙测量值。
- 根据权利要求1至6中任一项所述的方法,其中,所述第一时间单元为候选时间单元中距离所述第二时间单元最近的一个时间单元,所述候选时间单元为与所述第一时间单元均满足所述限定条件的一个或多个时间单元。
- 根据权利要求1至7中任一项所述的方法,其中,所述用户设备获取确定第一时间单元对应的直连通信信道繁忙测量值,包括:所述用户设备根据第一时间单元确定测量时间单元集合;所述用户设备对所述测量时间单元集合上的直连信道进行测量以确定所述直连通信繁忙测量值。
- 根据权利要求8所述的方法,其中,所述测量时间单元集合内的时间单元不晚于所述第一时间单元且距离所述第一时间单元不超过第二时间长度阈值;和/或,所述测量时间单元集合内的时间单元数目不少于第一数目阈值。
- 根据权利要求9所述的方法,其中,所述第二时间长度阈值基 于所述用户设备的状态确定。
- 根据权利要求10所述的方法,其中,所述方法还包括:通过基站发送的下行控制信息确定每一用户设备的状态对应的第二时间长度阈值;或者,根据通信协议确定每一用户设备的状态对应的第二时间长度阈值。
- 根据权利要求9至11中任一项所述的方法,其中,所述方法还包括:通过预定义或预配置信息获取所述第一数目阈值;或者,通过基站发送的下行控制信息确定所述第一数目阈值;或者,通过基站发送的用于指示第一数目阈值的标识以及通信协议中标识与第一数目阈值的对应,确定所述第一数目阈值;或者,通过基站发送的用于指示第一数目阈值的标识以及基站发送的标识与第一数目阈值的对应,确定所述第一数目阈值。
- 一种直连通信控制装置,所述装置包括:获取单元,用于确定第一时间单元对应的直连通信信道繁忙测量值;确定单元,用于根据所述直连通信信道繁忙测量值确定第二时间单元上的直连通信的传输限制;其中,所述第二时间单元与所述第一时间单元满足限定条件。
- 一种用户设备,包括处理器、收发器、存储器及存储在存储器上并能够由所述处理器运行的可执行程序,所述处理器运行所述可执行程序时执行如权利要求1至12任一项所述的直连通信控制方法的步骤。
- 一种存储介质,其上存储由可执行程序,所述可执行程序被处理器执行时实现如求1至12任一项所述的直连通信控制方法的步骤。
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JP2022579885A JP7428834B2 (ja) | 2020-06-24 | 2020-06-24 | 直接通信制御方法、装置、及びユーザ機器 |
US18/002,193 US20230345550A1 (en) | 2020-06-24 | 2020-06-24 | Sidelink control method and apparatus, and user equipment |
KR1020237000965A KR20230022995A (ko) | 2020-06-24 | 2020-06-24 | 사이드링크 통신 제어 방법, 장치 및 사용자 기기 |
BR112022026373A BR112022026373A2 (pt) | 2020-06-24 | 2020-06-24 | Método e aparelho para controle de enlace lateral, equipamento de usuário, e, meio de armazenamento |
PCT/CN2020/098261 WO2021258371A1 (zh) | 2020-06-24 | 2020-06-24 | 直连通信控制方法、装置及用户设备 |
CN202080001338.2A CN111937482A (zh) | 2020-06-24 | 2020-06-24 | 直连通信控制方法、装置及用户设备 |
EP20942282.3A EP4175377A4 (en) | 2020-06-24 | 2020-06-24 | SIDELINK CONTROL METHOD AND APPARATUS, AND USER EQUIPMENT |
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CN111937482A (zh) | 2020-11-13 |
EP4175377A1 (en) | 2023-05-03 |
US20230345550A1 (en) | 2023-10-26 |
JP2023530527A (ja) | 2023-07-18 |
BR112022026373A2 (pt) | 2023-01-17 |
JP7428834B2 (ja) | 2024-02-06 |
EP4175377A4 (en) | 2024-01-24 |
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