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
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
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 (en) 2018-11-07 2018-11-07 Channel state information of feedback method device and method for controlling the operation of a device
PCT/CN2019/116318 WO2020094098A1 (en) 2018-11-07 2019-11-07 Feedback method and device for channel state information

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 (en)
EP (1) EP3866505A4 (en)
JP (2) JP7125555B2 (en)
KR (2) KR102608748B1 (en)
CN (2) CN117728872A (en)
AU (1) AU2019375823B9 (en)
BR (1) BR112021008941A2 (en)
SG (1) SG11202104817SA (en)
WO (1) WO2020094098A1 (en)

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CN116963190A (en) 2020-05-22 2023-10-27 华为技术有限公司 Method and related device for transmitting null data packet declaration frame
CN113747576A (en) * 2020-05-29 2021-12-03 华为技术有限公司 Method and apparatus for transmitting/receiving null data packet announcement frame
US20230216631A1 (en) * 2020-06-17 2023-07-06 Beijing Xiaomi Mobile Software Co., Ltd. Communication method and device, electronic device, and computer-readable storage medium
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
WO2022069027A1 (en) * 2020-09-30 2022-04-07 Huawei Technologies Co., Ltd. Triggering beamformed up link physical layer protocol data units
WO2022087913A1 (en) * 2020-10-28 2022-05-05 北京小米移动软件有限公司 Communication method and communication device
CN114630357A (en) * 2020-12-11 2022-06-14 华为技术有限公司 Channel detection method and related device
CN115087021A (en) * 2021-03-12 2022-09-20 华为技术有限公司 Trigger-based null data packet transmission method and related device
WO2022203361A1 (en) * 2021-03-22 2022-09-29 엘지전자 주식회사 Enhanced ndpa frame for sensing
CN115515176A (en) * 2021-06-07 2022-12-23 华为技术有限公司 Communication method and device
CN115733590A (en) * 2021-08-28 2023-03-03 华为技术有限公司 NDPA frame transmission method and related device
WO2023087319A1 (en) * 2021-11-22 2023-05-25 北京小米移动软件有限公司 Communication method and apparatus, electronic device, and storage medium

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KR101482262B1 (en) 2007-10-18 2015-01-13 엘지전자 주식회사 Method of transmitting feedback message in wireless communication system
US9088393B2 (en) * 2010-07-30 2015-07-21 Lg Electronics Inc. Method and apparatus for reporting channel state information of multi-channel in wireless local area network system
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Also Published As

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

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