KR20240110574A - 채널 피드백 보고를 위한 채널 압축 - Google Patents

채널 피드백 보고를 위한 채널 압축 Download PDF

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Publication number
KR20240110574A
KR20240110574A KR1020247016130A KR20247016130A KR20240110574A KR 20240110574 A KR20240110574 A KR 20240110574A KR 1020247016130 A KR1020247016130 A KR 1020247016130A KR 20247016130 A KR20247016130 A KR 20247016130A KR 20240110574 A KR20240110574 A KR 20240110574A
Authority
KR
South Korea
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
KR1020247016130A
Other languages
English (en)
Korean (ko)
Inventor
틸링거 아미트 바르-오르
기데온 쉴로모 쿠츠
아사프 토우불
Original Assignee
퀄컴 인코포레이티드
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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20240110574A publication Critical patent/KR20240110574A/ko
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)
KR1020247016130A 2021-11-23 2022-10-19 채널 피드백 보고를 위한 채널 압축 Pending KR20240110574A (ko)

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 (1)

Publication Number Publication Date
KR20240110574A true KR20240110574A (ko) 2024-07-15

Family

ID=84360367

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247016130A Pending KR20240110574A (ko) 2021-11-23 2022-10-19 채널 피드백 보고를 위한 채널 압축

Country Status (7)

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

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
EP4437662A1 (en) 2024-10-02
WO2023097135A1 (en) 2023-06-01
CN118235337A (zh) 2024-06-21
US20230163907A1 (en) 2023-05-25
JP2024543076A (ja) 2024-11-19
TW202324978A (zh) 2023-06-16

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PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

D18 Deferred examination requested

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D18-EXM-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

D18-X000 Deferred examination requested

St.27 status event code: A-1-2-D10-D18-exm-X000