JP2024543076A - チャネルフィードバック報告のチャネル圧縮 - Google Patents

チャネルフィードバック報告のチャネル圧縮 Download PDF

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Publication number
JP2024543076A
JP2024543076A JP2024527817A JP2024527817A JP2024543076A JP 2024543076 A JP2024543076 A JP 2024543076A JP 2024527817 A JP2024527817 A JP 2024527817A JP 2024527817 A JP2024527817 A JP 2024527817A JP 2024543076 A JP2024543076 A JP 2024543076A
Authority
JP
Japan
Prior art keywords
channel
base station
channel coefficients
basis functions
response
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2024527817A
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English (en)
Japanese (ja)
Other versions
JP2024543076A5 (enExample
Inventor
バー－オア・ティリンジャー、アミット
クッツ、ギデオン・シュロモ
トウブール、アサフ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2024543076A publication Critical patent/JP2024543076A/ja
Publication of JP2024543076A5 publication Critical patent/JP2024543076A5/ja
Pending legal-status Critical Current

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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
    • H04B7/0613—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
    • 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
    • H04L25/022—Channel estimation of frequency response
    • 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
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0248—Eigen-space methods
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2024527817A 2021-11-23 2022-10-19 チャネルフィードバック報告のチャネル圧縮 Pending JP2024543076A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17/534,290 2021-11-23
US17/534,290 US20230163907A1 (en) 2021-11-23 2021-11-23 Channel compression for channel feedback reporting
PCT/US2022/078360 WO2023097135A1 (en) 2021-11-23 2022-10-19 Channel compression for channel feedback reporting

Publications (2)

Publication Number Publication Date
JP2024543076A true JP2024543076A (ja) 2024-11-19
JP2024543076A5 JP2024543076A5 (enExample) 2025-10-03

Family

ID=84360367

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024527817A Pending JP2024543076A (ja) 2021-11-23 2022-10-19 チャネルフィードバック報告のチャネル圧縮

Country Status (7)

Country Link
US (1) US20230163907A1 (enExample)
EP (1) EP4437662A1 (enExample)
JP (1) JP2024543076A (enExample)
KR (1) KR20240110574A (enExample)
CN (1) CN118235337A (enExample)
TW (1) TW202324978A (enExample)
WO (1) WO2023097135A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115913300B (zh) * 2021-08-25 2025-09-12 华为技术有限公司 一种数据传输方法以及装置
WO2025065703A1 (en) * 2023-09-29 2025-04-03 Qualcomm Incorporated Data compression in channel state feedback reporting
CN120415650A (zh) * 2024-01-30 2025-08-01 华为技术有限公司 信道状态信息确定方法及装置
CN121150756A (zh) * 2024-06-13 2025-12-16 华为技术有限公司 通信方法和通信装置
CN121711401A (zh) * 2024-09-19 2026-03-20 华为技术有限公司 数据压缩传输方法、装置、设备以及存储介质

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8873650B2 (en) * 2009-10-12 2014-10-28 Motorola Mobility Llc Configurable spatial channel information feedback in wireless communication system
US8687727B2 (en) * 2010-11-05 2014-04-01 Intel Corporation Coordinated multi-point transmission using interference feedback
KR101971079B1 (ko) * 2012-09-20 2019-08-13 삼성전자 주식회사 이동통신 시스템에서 피드백 송수신 방법 및 장치
US8942302B2 (en) * 2012-12-20 2015-01-27 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US9537552B2 (en) * 2014-09-12 2017-01-03 Samsung Electronics Co., Ltd. Method and apparatus for channel state information based on antenna mapping and subsampling
WO2016115627A1 (en) * 2015-01-20 2016-07-28 ZTE Canada Inc. Channel estimation using composite subcarriers and combined pilots
US10103798B2 (en) * 2016-09-14 2018-10-16 Samsung Electronics Co., Ltd. Method and apparatus to enable channel compression in advanced wireless communication systems
CN111713082B (zh) * 2018-02-21 2023-04-21 三菱电机株式会社 无线通信系统、无线通信方法、控制电路及存储介质
EP3576312A1 (en) * 2018-05-30 2019-12-04 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Doppler-delay codebook-based precoding and csi reporting for wireless communications systems
EP3576361A1 (en) * 2018-06-01 2019-12-04 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Explicit channel information feedback based on high-order pca decomposition or pca composition
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
US11936449B2 (en) * 2021-04-02 2024-03-19 Samsung Electronics Co., Ltd. Method and apparatus for high resolution CSI codebook

Also Published As

Publication number Publication date
KR20240110574A (ko) 2024-07-15
EP4437662A1 (en) 2024-10-02
WO2023097135A1 (en) 2023-06-01
CN118235337A (zh) 2024-06-21
US20230163907A1 (en) 2023-05-25
TW202324978A (zh) 2023-06-16

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