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CN115053498A - 预测信道状态信息的方法及装置 - Google Patents

预测信道状态信息的方法及装置 Download PDF

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Publication number
CN115053498A
CN115053498A CN202080095569.4A CN202080095569A CN115053498A CN 115053498 A CN115053498 A CN 115053498A CN 202080095569 A CN202080095569 A CN 202080095569A CN 115053498 A CN115053498 A CN 115053498A
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CN
China
Prior art keywords
delay
angle
prediction information
parameter
time
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CN202080095569.4A
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English (en)
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CN115053498B (zh
Inventor
金黄平
金石
任翔
毕晓艳
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN115053498A publication Critical patent/CN115053498A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/373—Predicting channel quality or other radio frequency [RF] parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • H04B17/3913—Predictive models, e.g. based on neural network models
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • 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]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

本申请公开了一种预测信道状态信息的方法及装置。用户设备基于网络设备发送的参考信号，确定信道预测信息，并发送该信道预测信息给网络设备。网络设备接收到该信道预测信息，用于对信道信息进行预测。采用本申请的方案，用户设备向网络设备发送信道预测信息，网络设备利用该信道预测信息可以对信道信息进行及时、准确地预测，改善了用户设备反馈的信道信息的过期问题，且可适用于用户设备移动场景。

Description

PCT国内申请，说明书已公开。

Claims (24)

  1. PCT国内申请，权利要求书已公开。
CN202080095569.4A 2020-02-21 2020-02-21 预测信道状态信息的方法及装置 Active CN115053498B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/076282 WO2021164033A1 (zh) 2020-02-21 2020-02-21 预测信道状态信息的方法及装置

Publications (2)

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CN115053498A true CN115053498A (zh) 2022-09-13
CN115053498B CN115053498B (zh) 2024-05-14

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US (1) US20220407616A1 (zh)
EP (1) EP4096177A4 (zh)
CN (1) CN115053498B (zh)
WO (1) WO2021164033A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023065169A1 (en) * 2021-10-20 2023-04-27 Telefonaktiebolaget Lm Ericsson (Publ) Determination of autoregressive model order for a channel prediction filter
CN116137553A (zh) * 2021-11-17 2023-05-19 维沃移动通信有限公司 一种信道预测方法、装置、ue及系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090122854A1 (en) * 2007-11-14 2009-05-14 The Hong Kong University Of Science And Technology Frequency domain equalization with transmit precoding for high speed data transmission
US20120213111A1 (en) * 2009-10-02 2012-08-23 Sharp Kabushiki Kaisha Wireless communication system, communication apparatus, wireless communication method and terminal apparatus
US20130101008A1 (en) * 2011-10-25 2013-04-25 Transpacific Ip Systems and methods for downlink scheduling in multiple input multiple output wireless communications systems
CN106411457A (zh) * 2015-07-31 2017-02-15 北京三星通信技术研究有限公司 信道状态信息获取方法、反馈方法、基站及终端
CN108933745A (zh) * 2018-07-16 2018-12-04 北京理工大学 一种基于超分辨率角度和时延估计的宽带信道估计方法
CN110430147A (zh) * 2019-07-15 2019-11-08 东南大学 一种面向fdd系统的信道跟踪方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014073846A1 (ko) * 2012-11-07 2014-05-15 주식회사 팬택 무선통신시스템에서 채널 정보 송수신 방법 및 장치
KR102011995B1 (ko) * 2012-11-23 2019-08-19 삼성전자주식회사 빔포밍 기반 무선통신 시스템에서 송수신 빔 패턴 변경에 따른 빔 이득 보상 운용을 위한 방법 및 장치
CN108418770A (zh) * 2018-01-22 2018-08-17 南京邮电大学 大规模mimo中基于信道估计误差的频域信道互易补偿方法
CN110830133B (zh) * 2019-12-23 2020-12-01 华中科技大学 一种基于多阶信道预测方法、预测系统及应用

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090122854A1 (en) * 2007-11-14 2009-05-14 The Hong Kong University Of Science And Technology Frequency domain equalization with transmit precoding for high speed data transmission
US20120213111A1 (en) * 2009-10-02 2012-08-23 Sharp Kabushiki Kaisha Wireless communication system, communication apparatus, wireless communication method and terminal apparatus
US20130101008A1 (en) * 2011-10-25 2013-04-25 Transpacific Ip Systems and methods for downlink scheduling in multiple input multiple output wireless communications systems
CN106411457A (zh) * 2015-07-31 2017-02-15 北京三星通信技术研究有限公司 信道状态信息获取方法、反馈方法、基站及终端
CN108933745A (zh) * 2018-07-16 2018-12-04 北京理工大学 一种基于超分辨率角度和时延估计的宽带信道估计方法
CN110430147A (zh) * 2019-07-15 2019-11-08 东南大学 一种面向fdd系统的信道跟踪方法

Also Published As

Publication number Publication date
US20220407616A1 (en) 2022-12-22
EP4096177A4 (en) 2023-01-18
EP4096177A1 (en) 2022-11-30
CN115053498B (zh) 2024-05-14
WO2021164033A1 (zh) 2021-08-26

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