SG11202104817SA - Channel state information feedback method and apparatus - Google Patents

Channel state information feedback method and apparatus

Info

Publication number
SG11202104817SA
SG11202104817SA SG11202104817SA SG11202104817SA SG11202104817SA SG 11202104817S A SG11202104817S A SG 11202104817SA SG 11202104817S A SG11202104817S A SG 11202104817SA SG 11202104817S A SG11202104817S A SG 11202104817SA SG 11202104817S A SG11202104817S A SG 11202104817SA
Authority
SG
Singapore
Prior art keywords
state information
channel state
information feedback
feedback method
channel
Prior art date
Application number
SG11202104817SA
Other languages
English (en)
Inventor
Jian Yu
Weimin Wu
Jing Dai
Original Assignee
Huawei Tech 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 Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of SG11202104817SA publication Critical patent/SG11202104817SA/en

Links

Classifications

    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
SG11202104817SA 2018-11-07 2019-11-07 Channel state information feedback method and apparatus SG11202104817SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811321478.9A CN111162825B (zh) 2018-11-07 2018-11-07 信道状态信息的反馈方法及装置
PCT/CN2019/116318 WO2020094098A1 (zh) 2018-11-07 2019-11-07 信道状态信息的反馈方法及装置

Publications (1)

Publication Number Publication Date
SG11202104817SA true SG11202104817SA (en) 2021-06-29

Family

ID=70554957

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202104817SA SG11202104817SA (en) 2018-11-07 2019-11-07 Channel state information feedback method and apparatus

Country Status (9)

Country Link
US (2) US11483048B2 (ko)
EP (1) EP3866505A4 (ko)
JP (2) JP7125555B2 (ko)
KR (2) KR102528328B1 (ko)
CN (2) CN117728872A (ko)
AU (1) AU2019375823B9 (ko)
BR (1) BR112021008941A2 (ko)
SG (1) SG11202104817SA (ko)
WO (1) WO2020094098A1 (ko)

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CN113747576A (zh) * 2020-05-29 2021-12-03 华为技术有限公司 发送/接收空数据分组声明帧的方法及装置
CN114158288A (zh) * 2020-06-17 2022-03-08 北京小米移动软件有限公司 通信方法及设备、电子设备以及计算机可读存储介质
US11387877B2 (en) 2020-09-25 2022-07-12 Samsung Electronics Co., Ltd. Device and method using adaptive codebook for dual beamforming feedback and wireless communication system including the same
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WO2022087913A1 (zh) * 2020-10-28 2022-05-05 北京小米移动软件有限公司 通信方法和通信设备
CN114630357B (zh) * 2020-12-11 2024-07-16 华为技术有限公司 信道探测方法及相关装置
CN115087021A (zh) * 2021-03-12 2022-09-20 华为技术有限公司 基于触发的空数据分组传输方法及相关装置
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CN115777215A (zh) * 2021-07-06 2023-03-10 北京小米移动软件有限公司 一种通信方法和通信装置
CN115733590A (zh) * 2021-08-28 2023-03-03 华为技术有限公司 Ndpa帧的传输方法及相关装置
CN116491075A (zh) * 2021-11-22 2023-07-25 北京小米移动软件有限公司 通信方法及装置、电子设备及存储介质
CN118510006A (zh) * 2023-02-10 2024-08-16 中兴通讯股份有限公司 指示信息发送方法、指示信息接收方法、装置及存储介质

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Also Published As

Publication number Publication date
BR112021008941A2 (pt) 2021-08-10
CN111162825B (zh) 2023-12-29
KR20230061580A (ko) 2023-05-08
WO2020094098A1 (zh) 2020-05-14
JP7125555B2 (ja) 2022-08-24
CN111162825A (zh) 2020-05-15
JP2022184835A (ja) 2022-12-13
KR102528328B1 (ko) 2023-05-02
KR102608748B1 (ko) 2023-11-30
AU2019375823B9 (en) 2022-10-27
AU2019375823A1 (en) 2021-06-10
JP2022506632A (ja) 2022-01-17
AU2019375823B2 (en) 2022-10-13
JP7364145B2 (ja) 2023-10-18
US11990966B2 (en) 2024-05-21
US20210266054A1 (en) 2021-08-26
CN117728872A (zh) 2024-03-19
US20230097165A1 (en) 2023-03-30
EP3866505A4 (en) 2021-12-22
US11483048B2 (en) 2022-10-25
KR20210082512A (ko) 2021-07-05
EP3866505A1 (en) 2021-08-18

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