TW202324978A - 用於通道回饋報告的通道壓縮 - Google Patents

用於通道回饋報告的通道壓縮 Download PDF

Info

Publication number
TW202324978A
TW202324978A TW111139839A TW111139839A TW202324978A TW 202324978 A TW202324978 A TW 202324978A TW 111139839 A TW111139839 A TW 111139839A TW 111139839 A TW111139839 A TW 111139839A TW 202324978 A TW202324978 A TW 202324978A
Authority
TW
Taiwan
Prior art keywords
channel
instructions
base station
channel coefficients
response
Prior art date
Application number
TW111139839A
Other languages
English (en)
Chinese (zh)
Inventor
阿密特 巴歐爾提林格
吉登史羅莫 庫茲
阿薩夫 陶鮑爾
Original Assignee
美商高通公司
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 美商高通公司 filed Critical 美商高通公司
Publication of TW202324978A publication Critical patent/TW202324978A/zh

Links

Images

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)
TW111139839A 2021-11-23 2022-10-20 用於通道回饋報告的通道壓縮 TW202324978A (zh)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
TW202324978A true TW202324978A (zh) 2023-06-16

Family

ID=84360367

Family Applications (1)

Application Number Title Priority Date Filing Date
TW111139839A TW202324978A (zh) 2021-11-23 2022-10-20 用於通道回饋報告的通道壓縮

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
JP2024543076A (ja) 2024-11-19

Similar Documents

Publication Publication Date Title
TWI895451B (zh) 用於通道狀態壓縮和回饋的可配置度量
US20210184744A1 (en) User equipment feedback of multi-path channel cluster information to assist network beam management
US20230103220A1 (en) Channel state information feedback based on full channel estimation
TW202324978A (zh) 用於通道回饋報告的通道壓縮
US20230078537A1 (en) Channel state information reporting for reconfigurable intelligent surfaces
WO2021056376A1 (en) Configurations for omitting channel state information
US20240275557A1 (en) Layer-specific accuracy for channel state feedback
CN118541923A (zh) 用于可重新配置表面的基于码本的波束成形考虑
CN117941308A (zh) 用于报告信道状态信息周期性的技术
CN117941276A (zh) 用于多个面板用户设备的信道状态信息报告
WO2023087203A1 (en) Method and apparatus for codebook design for closed loop operation
US20240364563A1 (en) Techniques for control signal configuration for reference signal precoding
WO2023206198A1 (en) Differential channel state information report
US20250279912A1 (en) Decimated reference signaling for equalization
US20250097079A1 (en) Channel estimation reference signals for pre-equalization
US12132678B2 (en) Channel state information reporting using demodulation reference signals
US11665555B2 (en) Reciprocity report for wireless communications systems
WO2023097551A1 (en) Machine learning models for precoding
KR20240047979A (ko) 기준 신호 수신 전력 예측을 가능하게 하는 피드백 정보 관리
US12388601B2 (en) Multi-user channel prediction for mobility scenarios
US20250030469A1 (en) Time-domain compression considerations for accumulated channel state information reports
US20260032667A1 (en) Signaling and selection of communication parameters in a wireless communications system