KR102806748B1 - Csi 피드백 및 수신 방법들, 장치, 디바이스 및 저장 매체 - Google Patents

Csi 피드백 및 수신 방법들, 장치, 디바이스 및 저장 매체 Download PDF

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KR102806748B1
KR102806748B1 KR1020217009741A KR20217009741A KR102806748B1 KR 102806748 B1 KR102806748 B1 KR 102806748B1 KR 1020217009741 A KR1020217009741 A KR 1020217009741A KR 20217009741 A KR20217009741 A KR 20217009741A KR 102806748 B1 KR102806748 B1 KR 102806748B1
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vector
coefficient
vectors
information
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KR20210083251A (ko
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하오 우
이지안 첸
구오젱 젱
용 리
자오후아 루
유 응옥 리
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지티이 코포레이션
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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
    • H04B7/06—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
    • H04B7/0413—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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for 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
    • H04B7/0619—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
    • H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
KR1020217009741A 2018-11-02 2019-11-01 Csi 피드백 및 수신 방법들, 장치, 디바이스 및 저장 매체 Active KR102806748B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201811302880.2 2018-11-02
CN201811302880.2A CN110535513A (zh) 2018-11-02 2018-11-02 一种csi反馈及接收方法、装置、存储介质
PCT/CN2019/114977 WO2020088640A1 (zh) 2018-11-02 2019-11-01 Csi反馈及接收方法、装置、设备、存储介质

Publications (2)

Publication Number Publication Date
KR20210083251A KR20210083251A (ko) 2021-07-06
KR102806748B1 true KR102806748B1 (ko) 2025-05-12

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Country Status (10)

Country Link
US (2) US11804886B2 (https=)
EP (2) EP3876433B1 (https=)
JP (1) JP7457698B2 (https=)
KR (1) KR102806748B1 (https=)
CN (2) CN110535513A (https=)
AU (1) AU2019370538B2 (https=)
ES (1) ES2963528T3 (https=)
FI (1) FI3876433T3 (https=)
SG (1) SG11202103259TA (https=)
WO (1) WO2020088640A1 (https=)

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CN111049852B (zh) * 2019-12-24 2020-12-08 国家计算机网络与信息安全管理中心 Can总线协议解析方法、装置、电子设备及存储介质
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CN117674926A (zh) * 2022-08-12 2024-03-08 大唐移动通信设备有限公司 信道状态信息处理方法及装置
CN117674929A (zh) * 2022-08-31 2024-03-08 华为技术有限公司 信道状态信息反馈的方法及装置
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WO2025054844A1 (zh) * 2023-09-13 2025-03-20 华为技术有限公司 一种反馈信道状态信息的方法和通信装置
WO2025065408A1 (zh) * 2023-09-27 2025-04-03 Oppo广东移动通信有限公司 无线通信方法、装置、设备、芯片、存储介质、产品及程序
CN120021180A (zh) * 2023-11-17 2025-05-20 中兴通讯股份有限公司 信息反馈和接收方法、装置及存储介质
CN120729479A (zh) * 2024-03-29 2025-09-30 维沃移动通信有限公司 信道状态信息报告的反馈方法、终端及网络侧设备
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EP3876433A1 (en) 2021-09-08
SG11202103259TA (en) 2021-04-29
WO2020088640A1 (zh) 2020-05-07
CN114070374A (zh) 2022-02-18
JP2022504137A (ja) 2022-01-13
AU2019370538B2 (en) 2024-08-29
US11804886B2 (en) 2023-10-31
ES2963528T3 (es) 2024-03-27
EP4325734A2 (en) 2024-02-21
US20210258058A1 (en) 2021-08-19
CN110535513A (zh) 2019-12-03
AU2019370538A1 (en) 2021-05-20
KR20210083251A (ko) 2021-07-06
CN114070374B (zh) 2024-04-16
JP7457698B2 (ja) 2024-03-28
FI3876433T3 (fi) 2023-11-20
EP3876433A4 (en) 2021-12-22
EP4325734A3 (en) 2024-04-24
US20240080079A1 (en) 2024-03-07
EP3876433B1 (en) 2023-10-25
US12255718B2 (en) 2025-03-18

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