KR20210018781A - 무선 통신 시스템들에서 csi 파라미터 구성을 위한 방법 및 장치 - Google Patents

무선 통신 시스템들에서 csi 파라미터 구성을 위한 방법 및 장치 Download PDF

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KR20210018781A
KR20210018781A KR1020200099474A KR20200099474A KR20210018781A KR 20210018781 A KR20210018781 A KR 20210018781A KR 1020200099474 A KR1020200099474 A KR 1020200099474A KR 20200099474 A KR20200099474 A KR 20200099474A KR 20210018781 A KR20210018781 A KR 20210018781A
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rank
parameter
value
csi
csi feedback
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Korean (ko)
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엠디. 사이퍼 라만
에코 옹고사누시
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삼성전자주식회사
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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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0482—Adaptive codebooks
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020200099474A 2019-08-08 2020-08-07 무선 통신 시스템들에서 csi 파라미터 구성을 위한 방법 및 장치 Pending KR20210018781A (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201962884467P 2019-08-08 2019-08-08
US62/884,467 2019-08-08
US201962892102P 2019-08-27 2019-08-27
US62/892,102 2019-08-27
US16/947,044 2020-07-15
US16/947,044 US11277187B2 (en) 2019-08-08 2020-07-15 Method and apparatus for CSI parameter configuration in wireless communication systems

Publications (1)

Publication Number Publication Date
KR20210018781A true KR20210018781A (ko) 2021-02-18

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KR1020200099474A Pending KR20210018781A (ko) 2019-08-08 2020-08-07 무선 통신 시스템들에서 csi 파라미터 구성을 위한 방법 및 장치

Country Status (6)

Country Link
US (2) US11277187B2 (https=)
EP (2) EP4404498A3 (https=)
JP (1) JP7638959B2 (https=)
KR (1) KR20210018781A (https=)
CN (1) CN114342278B (https=)
WO (1) WO2021025538A1 (https=)

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WO2021159324A1 (en) * 2020-02-12 2021-08-19 Apple Inc. Channel state information reporting
EP4266737A4 (en) * 2021-01-17 2024-03-27 Huawei Technologies Co., Ltd. CHANNEL INFORMATION ACQUISITION METHOD AND RELATED APPARATUS
CN116368907A (zh) * 2021-03-01 2023-06-30 Oppo广东移动通信有限公司 无线通信方法和设备
CN118784024A (zh) 2021-05-11 2024-10-15 大唐移动通信设备有限公司 码本指示方法、装置及存储介质
CN115441914A (zh) * 2021-06-01 2022-12-06 华为技术有限公司 一种通信方法及装置
US11923944B2 (en) * 2021-06-04 2024-03-05 Samsung Electronics Co., Ltd. Method and apparatus for frequency selective UL precoding
CN115603877A (zh) * 2021-07-09 2023-01-13 中兴通讯股份有限公司（Cn） 信道状态信息报告、接收方法、通信节点及存储介质
US20230246688A1 (en) * 2022-02-02 2023-08-03 Samsung Electronics Co., Ltd. Method and apparatus for csi codebook
US12574087B2 (en) * 2022-04-21 2026-03-10 Samsung Electronics Co., Ltd. Method and apparatus for CSI codebook parameters
CN115997405B (zh) * 2022-12-06 2026-03-20 北京小米移动软件有限公司 信道状态信息上报方法、装置及存储介质
US20240291603A1 (en) * 2023-02-10 2024-08-29 Samsung Electronics Co., Ltd. Csi codebook parameters for coherent joint transmission
WO2024176437A1 (ja) * 2023-02-24 2024-08-29 株式会社Ｎｔｔドコモ 端末、無線通信方法及び基地局
CN121532958A (zh) * 2023-07-26 2026-02-13 高通股份有限公司 具有较大数量的天线端口的增强型ii型信道状态信息（csi）
WO2025097360A1 (en) * 2023-11-09 2025-05-15 Qualcomm Incorporated Spatial domain basis selection for wireless communications

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9264120B2 (en) 2011-11-09 2016-02-16 Telefonaktiebolaget L M Ericsson (Publ) CSI reporting for a set of CSI-RS resources
US10009088B2 (en) * 2016-03-28 2018-06-26 Samsung Electronics Co., Ltd. Linear combination PMI codebook based CSI reporting in advanced wireless communication systems
US10659118B2 (en) * 2016-04-19 2020-05-19 Samsung Electronics Co., Ltd. Method and apparatus for explicit CSI reporting in advanced wireless communication systems
CN107733493B (zh) * 2016-08-10 2021-02-12 华为技术有限公司 用于确定预编码矩阵的方法和装置
US10389426B2 (en) * 2017-04-25 2019-08-20 Samsung Electronics Co., Ltd. Method and apparatus for higher rank CSI reporting in advanced wireless communication systems
US10547368B2 (en) 2017-08-30 2020-01-28 Samsung Electronics Co., Ltd. Method and apparatus for codebook subset restriction for CSI reporting in advanced wireless communication systems
KR102607030B1 (ko) * 2018-09-11 2023-11-29 프라운 호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 무선 통신 시스템을 위한 도플러 코드북-기반 프리코딩 및 csi 보고

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Publication number Publication date
US11277187B2 (en) 2022-03-15
US20210044340A1 (en) 2021-02-11
EP3997804C0 (en) 2024-06-12
EP3997804A1 (en) 2022-05-18
JP7638959B2 (ja) 2025-03-04
US12052078B2 (en) 2024-07-30
US20220200683A1 (en) 2022-06-23
CN114342278B (zh) 2025-03-11
WO2021025538A1 (en) 2021-02-11
JP2022543477A (ja) 2022-10-12
EP4404498A3 (en) 2024-10-16
EP4404498A2 (en) 2024-07-24
EP3997804B1 (en) 2024-06-12
EP3997804A4 (en) 2022-08-31
CN114342278A (zh) 2022-04-12

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