KR20230078681A - 전송 가설에 기반한 채널 상태 정보의 보고 - Google Patents

전송 가설에 기반한 채널 상태 정보의 보고 Download PDF

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Publication number
KR20230078681A
KR20230078681A KR1020237010804A KR20237010804A KR20230078681A KR 20230078681 A KR20230078681 A KR 20230078681A KR 1020237010804 A KR1020237010804 A KR 1020237010804A KR 20237010804 A KR20237010804 A KR 20237010804A KR 20230078681 A KR20230078681 A KR 20230078681A
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KR
South Korea
Prior art keywords
state information
channel state
transmission
transmit
information report
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
KR1020237010804A
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English (en)
Korean (ko)
Inventor
아메드 모니에르 이브라힘 살레 힌디
비제이 난기아
Original Assignee
레노보 (싱가포르) 피티이. 엘티디.
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Application filed by 레노보 (싱가포르) 피티이. 엘티디. filed Critical 레노보 (싱가포르) 피티이. 엘티디.
Publication of KR20230078681A publication Critical patent/KR20230078681A/ko
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] 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
    • H04B7/0626—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
    • H04B7/0621—Feedback content
    • H04B7/0628—Diversity capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • 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
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
KR1020237010804A 2020-10-02 2021-09-30 전송 가설에 기반한 채널 상태 정보의 보고 Pending KR20230078681A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063087127P 2020-10-02 2020-10-02
US63/087,127 2020-10-02
PCT/IB2021/058974 WO2022070117A1 (en) 2020-10-02 2021-09-30 Reporting channel state information based on a transmission hypothesis

Publications (1)

Publication Number Publication Date
KR20230078681A true KR20230078681A (ko) 2023-06-02

Family

ID=78212399

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237010804A Pending KR20230078681A (ko) 2020-10-02 2021-09-30 전송 가설에 기반한 채널 상태 정보의 보고

Country Status (7)

Country Link
US (1) US20230353209A1 (https=)
EP (1) EP4222897A1 (https=)
JP (1) JP2023545010A (https=)
KR (1) KR20230078681A (https=)
CN (1) CN116325533A (https=)
AU (1) AU2021354124A1 (https=)
WO (1) WO2022070117A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022077430A1 (en) * 2020-10-16 2022-04-21 Qualcomm Incorporated Resource selection for single and multiple transmit/receive points (trp) channel state information (csi) reporting
CN118556371A (zh) * 2021-11-22 2024-08-27 诺基亚技术有限公司 利用机器学习的用户设备（ue）波束预测
US20250047395A1 (en) * 2023-08-03 2025-02-06 Qualcomm Incorporated Cross-link interference configuration under channel state information framework to support multiple transmission reception point operation

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2612451B1 (en) * 2010-09-03 2016-09-28 Fujitsu Limited Channel state feedback for multi-cell mimo
EP3883172A1 (en) * 2012-06-04 2021-09-22 Interdigital Patent Holdings, Inc. Communicating channel state information (csi) of multiple transmission points
CN109565323B (zh) * 2016-09-26 2022-08-02 Lg 电子株式会社 在无线通信系统中发送/接收信道状态信息的方法及其装置
GB2562098B (en) * 2017-05-05 2022-02-02 Samsung Electronics Co Ltd Improvements in and relating to channel state feedback in a telecommunication system
AU2018285662B2 (en) * 2017-06-16 2020-11-05 Telefonaktiebolaget Lm Ericsson (Publ) Channel state information for reference signals in a wireless communication system
CN109391404B (zh) * 2017-08-10 2021-02-09 电信科学技术研究院有限公司 一种csi的反馈及其控制方法、装置
JP2019140453A (ja) * 2018-02-07 2019-08-22 シャープ株式会社 基地局装置、端末装置およびその通信方法
US10958326B2 (en) * 2018-02-16 2021-03-23 Samsung Electronics Co., Ltd. Method and apparatus for resource-based CSI acquisition in advanced wireless communication systems
US11102765B2 (en) * 2018-02-22 2021-08-24 Qualcomm Incorporated Enhanced uplink grant-free/downlink semi-persistent scheduling for ultra-reliable low latency communications
KR102677717B1 (ko) * 2018-12-03 2024-06-24 삼성전자 주식회사 네트워크 협력통신을 위한 채널상태정보 보고 방법 및 장치
WO2020144602A1 (en) * 2019-01-11 2020-07-16 Telefonaktiebolaget Lm Ericsson (Publ) Low overhead channel state information (csi) feedback for multi-transmission point (trp) transmission
WO2020150884A1 (en) * 2019-01-22 2020-07-30 Qualcomm Incorporated Csi processing for fine csi granularity
WO2020170419A1 (ja) * 2019-02-22 2020-08-27 株式会社Ｎｔｔドコモ ユーザ端末及び無線通信方法
CN120915344A (zh) * 2020-02-13 2025-11-07 Lg 电子株式会社 用于在无线通信系统中发送和接收信道状态信息的方法和装置
CN114982333B (zh) * 2020-02-26 2024-12-31 Oppo广东移动通信有限公司 Csi上报及接收方法、装置、终端设备、网络设备
BR112023000948A2 (pt) * 2020-07-21 2023-02-07 Lenovo Singapore Pte Ltd Relatório de informação de estado de canal para múltiplos pontos de transmissão/recebimento
US20230283342A1 (en) * 2020-08-07 2023-09-07 Nokia Technologies Oy Apparatus for CSI Reporting Overhead Reduction Via Joint CSI Report Quantization and Encoding
WO2022033654A1 (en) * 2020-08-10 2022-02-17 Nokia Technologies Oy Aperiodic channel state information reporting
US12542592B2 (en) * 2020-09-28 2026-02-03 Lenovo (Singapore) Pte. Ltd. Channel state information reporting for multiple transmit/receive points
CN116569590A (zh) * 2020-09-30 2023-08-08 株式会社Ntt都科摩 终端、无线通信方法以及基站

Also Published As

Publication number Publication date
WO2022070117A1 (en) 2022-04-07
EP4222897A1 (en) 2023-08-09
JP2023545010A (ja) 2023-10-26
US20230353209A1 (en) 2023-11-02
AU2021354124A9 (en) 2024-06-06
CN116325533A (zh) 2023-06-23
AU2021354124A1 (en) 2023-04-27

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