CN115917980A - 无线通信系统的终端、基站以及由终端和基站执行的方法 - Google Patents

无线通信系统的终端、基站以及由终端和基站执行的方法 Download PDF

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Publication number
CN115917980A
CN115917980A CN202180043828.3A CN202180043828A CN115917980A CN 115917980 A CN115917980 A CN 115917980A CN 202180043828 A CN202180043828 A CN 202180043828A CN 115917980 A CN115917980 A CN 115917980A
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CN
China
Prior art keywords
channel
base station
terminal
feedback information
feedback
Prior art date
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Pending
Application number
CN202180043828.3A
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English (en)
Inventor
王新
侯晓林
李安新
陈岚
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.)
NTT Docomo Inc
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NTT Docomo Inc
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Filing date
Publication date
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of CN115917980A publication Critical patent/CN115917980A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0658—Feedback reduction

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

Abstract

本公开提供了无线通信系统中的终端以及基站，以及由终端和执行的方法。该终端可以包括：处理单元，配置成：对信道矩阵进行特征域变换，以得到变换信道特征；对变换信道特征进行压缩，以得到压缩信道特征；发送单元，配置成将压缩信道特征作为反馈信息发送给基站。

Description

PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN202180043828.3A 2020-06-19 2021-04-09 无线通信系统的终端、基站以及由终端和基站执行的方法 Pending CN115917980A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2020105680878 2020-06-19
CN202010568087.8A CN113824479A (zh) 2020-06-19 2020-06-19 无线通信系统的终端、基站以及由终端和基站执行的方法
PCT/CN2021/086193 WO2021253937A1 (zh) 2020-06-19 2021-04-09 无线通信系统的终端、基站以及由终端和基站执行的方法

Publications (1)

Publication Number Publication Date
CN115917980A true CN115917980A (zh) 2023-04-04

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CN202010568087.8A Pending CN113824479A (zh) 2020-06-19 2020-06-19 无线通信系统的终端、基站以及由终端和基站执行的方法
CN202180043828.3A Pending CN115917980A (zh) 2020-06-19 2021-04-09 无线通信系统的终端、基站以及由终端和基站执行的方法

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US (1) US20230246695A1 (zh)
CN (2) CN113824479A (zh)
WO (1) WO2021253937A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220094411A1 (en) * 2020-09-18 2022-03-24 Qualcomm Incorporated Low overhead and high accuracy channel state feedback using neural networks
CN116346545A (zh) * 2021-12-23 2023-06-27 华为技术有限公司 一种通信方法及装置
CN116723066A (zh) * 2022-02-24 2023-09-08 中国移动通信有限公司研究院 一种信道压缩、恢复方法、装置及设备
WO2023179318A1 (en) * 2022-03-24 2023-09-28 Mediatek Inc. Method and apparatus for multiple-input and multiple-output (mimo) channel state information (csi) feedback
CN116961707A (zh) * 2022-04-15 2023-10-27 展讯半导体(南京)有限公司 一种信息反馈方法及相关装置
CN117318774A (zh) * 2022-06-22 2023-12-29 维沃移动通信有限公司 信道矩阵处理方法、装置、终端及网络侧设备
WO2024028701A1 (en) * 2022-08-03 2024-02-08 Lenovo (Singapore) Pte. Ltd. Operation of a two-sided model

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9252854B2 (en) * 2013-06-07 2016-02-02 Industrial Technology Research Institute User equipment having channel quality indicator feedback mechanism
CN105981320B (zh) * 2014-02-19 2019-06-21 华为技术有限公司 一种信道状态信息反馈方法、装置、用户设备及基站
EP3576361A1 (en) * 2018-06-01 2019-12-04 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Explicit channel information feedback based on high-order pca decomposition or pca composition
CN109474316B (zh) * 2018-11-22 2021-11-09 东南大学 一种基于深度循环神经网络的信道信息压缩反馈方法
TWI687063B (zh) * 2019-01-04 2020-03-01 財團法人工業技術研究院 基於深度學習與通道狀態資訊之通訊系統及編解碼方法
CN110350958B (zh) * 2019-06-13 2021-03-16 东南大学 一种基于神经网络的大规模mimo的csi多倍率压缩反馈方法
CN110311718B (zh) * 2019-07-05 2022-06-10 东南大学 一种大规模mimo信道状态信息反馈中的量化和逆量化方法
CN110912598B (zh) * 2019-11-22 2020-08-28 中原工学院 基于长短时注意力机制的大规模mimo系统csi反馈方法

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Publication number Publication date
US20230246695A1 (en) 2023-08-03
CN113824479A (zh) 2021-12-21
WO2021253937A1 (zh) 2021-12-23

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