WO2020220352A1 - Procédé et dispositif de communication - Google Patents

Procédé et dispositif de communication Download PDF

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Publication number
WO2020220352A1
WO2020220352A1 PCT/CN2019/085377 CN2019085377W WO2020220352A1 WO 2020220352 A1 WO2020220352 A1 WO 2020220352A1 CN 2019085377 W CN2019085377 W CN 2019085377W WO 2020220352 A1 WO2020220352 A1 WO 2020220352A1
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WO
WIPO (PCT)
Prior art keywords
information
parameter
bits
indicate
update information
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.)
Ceased
Application number
PCT/CN2019/085377
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English (en)
Chinese (zh)
Inventor
毕文平
余政
杨育波
程型清
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Huawei Technologies Co Ltd
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Huawei Technologies Co 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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201980095780.3A priority Critical patent/CN113748723B/zh
Priority to PCT/CN2019/085377 priority patent/WO2020220352A1/fr
Publication of WO2020220352A1 publication Critical patent/WO2020220352A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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

Definitions

  • the network device After the terminal device transmits a preconfigured uplink resource (PUR) transmission successfully or fails, the network device sends a successful reception response (ACK) or a failed transmission response (NACK) to the user.
  • PUR uplink resource
  • the transmission parameters pre-configured by the network device may not be applicable during PUR transmission, such as timing advance (TA), data repetition times, power control Information etc. Therefore, PUR configuration information also needs to be continuously updated.
  • DCI downlink control information
  • the embodiments of the present application provide a communication method and device, which are used to solve the problem of certain resource waste in the prior art that a base station uses user-specific DCI to feedback ACK/NACK and update configuration information.
  • the configuration update information includes at least one of the following parameters: timing advance TA, data channel repetition times, control channel repetition times, deactivation information, paging information, transport block size information, modulation and coding schemes , TA verification time.
  • the M bits of the control information are used to indicate the update information of the first parameter, where the m bits in the M bits are used to indicate the adjustment granularity of the update information, and the Mm bits in the M bits are used to indicate the first parameter.
  • the target amount or adjustment amount of a parameter is the amount when the unit of adjustment granularity is used.
  • M and m are integers greater than 0, and m is less than M.
  • the M bits of the control information are used to indicate the update information of the first parameter
  • the m bits in the M bits are used to indicate the first set
  • the Mm bits in the M bits are used to indicate in the first set
  • m and M are integers greater than 0, and m is less than M.
  • the update information of the first parameter is indicated at two levels, which can ensure the indication accuracy and save the signaling overhead of the physical layer.
  • the configuration update information may include update information of the first parameter, and the first parameter may be one or more of the following parameters: TA, data channel repetition times, control channel repetition times, power control information, Transport block size information and modulation and coding schemes.
  • the update information of the first parameter may be the target amount of the first parameter or the adjustment amount of the first parameter.
  • the method further includes: the second device adjusts the parameter value of the first parameter to the target value; or, the second device adjusts the parameter value of the first parameter on the basis of the current parameter value.
  • the second set may be predefined by the second device.
  • the second device uses the predefined set as the second set.
  • the cyclic redundancy check code of the control information is scrambled by the first scrambling code, which can be one of the following information: user group wireless network temporary identification, system information wireless network temporary identification .
  • the second device can use the first scrambling code to descramble the CRC of the control information.
  • FIG. 3 is a schematic flowchart of a communication method provided by an embodiment of this application.
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • the power control information may be a target amount or adjustment amount of power, or the size of a power ramping step.
  • the target amount here means that the second device uses the power information as the transmission power to transmit information; the adjustment amount is to determine the transmission power based on the most recent transmission power and the adjustment amount, that is, add or subtract the adjustment on the basis of the most recent transmission power (For example, if the adjustment is negative, the adjustment is subtracted from the most recent transmission power. If the adjustment is positive, the adjustment is added to the most recent transmission power); It refers to the adjustment granularity (or unit) of the second device's power adjustment each time, and the second device adjusts the current transmission power according to the climbing steps and the most recent transmission power. This climbing step can also be understood as the amount of adjustment of the transmission power each time.
  • the configuration update information of the pre-configured resource of the same second device and the information indicating the transmission state of the pre-configured resource can be configured to be different in the position of the control information.
  • the control information carrying the first information of UE1 to UE4 as an example, for example, As shown in FIG. 5, information 1-1, information 1-2, information 1-3, and information 1-4 are configuration update information of the pre-configured resources of UE1 to UE4, respectively, which are located in the first 4 positions of the control information in sequence.
  • Information 2-1, information 2-2, information 2-3, and information 2-4 are respectively the information indicating the transmission status of the pre-configured resources of UE1 to UE4, which are located in the last 4 positions of the control information in sequence.
  • the M bits of the control information are used to indicate the update information of the first parameter
  • the M bits are used to indicate the first parameter update information in the second set
  • M is an integer greater than zero.
  • the second set may be configured by the first device through high-layer signaling. Specifically, the first device configures the second set in the following manner: the first device sends first signaling to the second device, and the first signaling is used to indicate the second set. Therefore, the second device determines the second set after receiving the first signaling sent by the first device.
  • the cyclical redundancy check (CRC) of the control information is scrambled by a first scrambling code
  • the first scrambling code may be one of the following information: preconfiguration information, wireless network identification , User group wireless network temporary identifier, system information wireless network temporary identifier (system information radio network temporary identifier, SI-RNTI). That is, the first device can use the user group radio network temporary identification or SI-RNTI.
  • the first scrambling code can also be a user-specific RNTI (such as cell-RNTI) and the search space where the control information is located is the cell common search space (common search space). search space).
  • the embodiment of the present application provides a communication device.
  • the structure of the communication device may be as shown in FIG. 7 and includes a processing unit 701 and a transceiver unit 702.
  • the first information may further include information indicating a transmission state of a pre-configured resource, and the transmission state of the pre-configured resource includes one of the following states: successful transmission, unsuccessful transmission, scheduled retransmission, in the pre-configured resource Retransmit, transmit specific sequence, initiate random access, advance data transmission, initiate non-competitive random access.
  • the CRC of the control information is scrambled by a first scrambling code
  • the first scrambling code is one of the following information: user group wireless network temporary identification, system information wireless network temporary identification.
  • the configuration update information may include update information of a first parameter, and the first parameter is one or more of the following parameters: the TA, the number of repetitions of the data channel, the number of repetitions of the control channel, the The power control information, the transmission block size information, and the modulation and coding scheme; the update information of the first parameter may be the target amount of the first parameter or the adjustment amount of the first parameter.
  • the processing unit may specifically: adjust the parameter value of the first parameter to the adjustment granularity indicated by the m bits and the Mm bits The product of the indicated quantity; or, when the processing unit adjusts the parameter value of the first parameter on the basis of the current parameter value, the adjustment amount may be specifically: the second device converts the first parameter The parameter value of the parameter adjusts the product of the adjustment granularity indicated by the m bits and the number indicated by the Mm bits on the basis of the current parameter value.
  • the division of modules in the embodiments of the present application is illustrative, and is only a logical function division. In actual implementation, there may be other division methods.
  • the functional modules in the various embodiments of the present application may be integrated into one process. In the device, it can also exist alone physically, or two or more modules can be integrated into one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software functional modules.
  • the processor 802 is configured to execute the program code stored in the memory 803, and is specifically configured to execute the actions of the aforementioned processing unit 701, which will not be repeated in this application.
  • the embodiments of the present application can be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, this application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
  • a computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

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

Abstract

L'invention concerne un procédé et un dispositif de communication, qui sont utilisés pour résoudre les problèmes rencontrés dans l'état antérieur de la technique, où une station de base utilise un ACK/NACK de rétroaction de DCI spécifique à un utilisateur et où il existe une certaine quantité de gaspillage de ressources lors de la mise à jour d'informations de configuration. Le procédé comporte les étapes suivantes: un premier dispositif détermine des premières informations correspondant respectivement à au moins deux seconds dispositifs, les premières informations comportant des informations de mise à jour de configuration d'une ressource préconfigurée, et les informations de mise à jour de configuration comportant des informations de mise à jour d'au moins un paramètre parmi les paramètres suivants: avance de synchronisation (TA), nombre de répétitions de canal de données, nombre de répétitions de canal de commande, informations de désactivation, informations de radiomessagerie, informations de taille de bloc de transmission, schéma de modulation et de codage, et heure de vérification de TA; et le premier dispositif émet des informations de commande, les informations de commande transportant les premières informations desdits au moins deux seconds dispositifs.
PCT/CN2019/085377 2019-04-30 2019-04-30 Procédé et dispositif de communication Ceased WO2020220352A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980095780.3A CN113748723B (zh) 2019-04-30 2019-04-30 一种通信方法及设备
PCT/CN2019/085377 WO2020220352A1 (fr) 2019-04-30 2019-04-30 Procédé et dispositif de communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/085377 WO2020220352A1 (fr) 2019-04-30 2019-04-30 Procédé et dispositif de communication

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WO2020220352A1 true WO2020220352A1 (fr) 2020-11-05

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WO (1) WO2020220352A1 (fr)

Cited By (1)

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WO2024168502A1 (fr) * 2023-02-14 2024-08-22 Nokia Shanghai Bell Co., Ltd. Dispositifs, procédés, appareils et supports lisibles par ordinateur pour traiter une défaillance de transmission de liaison montante

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CN120474675A (zh) * 2024-08-14 2025-08-12 中国电信股份有限公司技术创新中心 物联网设备的控制信息传输方法及相关设备

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CN104488335A (zh) * 2012-07-26 2015-04-01 富士通株式会社 基站装置、移动站装置、通信系统和通信方法
US20180302280A1 (en) * 2017-04-13 2018-10-18 Qualcomm Incorporated Configuring multi-channel transmission for ranging accuracy
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CN104811262B (zh) * 2014-01-24 2019-06-11 中兴通讯股份有限公司 重复信息发送、接收方法及基站和用户设备
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CN102238478A (zh) * 2010-04-30 2011-11-09 中兴通讯股份有限公司 资源配置参数的指示和更新方法、终端及基站
CN104488335A (zh) * 2012-07-26 2015-04-01 富士通株式会社 基站装置、移动站装置、通信系统和通信方法
US20180302280A1 (en) * 2017-04-13 2018-10-18 Qualcomm Incorporated Configuring multi-channel transmission for ranging accuracy
CN108964819A (zh) * 2017-05-19 2018-12-07 华为技术有限公司 一种时钟调整、时钟偏差计算方法、设备及系统

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Publication number Priority date Publication date Assignee Title
WO2024168502A1 (fr) * 2023-02-14 2024-08-22 Nokia Shanghai Bell Co., Ltd. Dispositifs, procédés, appareils et supports lisibles par ordinateur pour traiter une défaillance de transmission de liaison montante

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CN113748723A (zh) 2021-12-03

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