EP3874614A4 - Compression d'informations d'état de canal dans le domaine fréquentiel - Google Patents

Compression d'informations d'état de canal dans le domaine fréquentiel Download PDF

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Publication number
EP3874614A4
EP3874614A4 EP19877558.7A EP19877558A EP3874614A4 EP 3874614 A4 EP3874614 A4 EP 3874614A4 EP 19877558 A EP19877558 A EP 19877558A EP 3874614 A4 EP3874614 A4 EP 3874614A4
Authority
EP
European Patent Office
Prior art keywords
state information
frequency domain
channel state
domain channel
information compression
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.)
Withdrawn
Application number
EP19877558.7A
Other languages
German (de)
English (en)
Other versions
EP3874614A1 (fr
Inventor
Victor SERGEEV
Alexei Davydov
Bishwarup Mondal
Gregory V. Morozov
Dmitry DIKAREV
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.)
Intel Corp
Original Assignee
Intel Corp
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 Intel Corp filed Critical Intel Corp
Publication of EP3874614A1 publication Critical patent/EP3874614A1/fr
Publication of EP3874614A4 publication Critical patent/EP3874614A4/fr
Withdrawn legal-status Critical Current

Links

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
    • H04B7/0636—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
    • 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
    • H04B7/0658—Feedback reduction
    • H04B7/0663—Feedback reduction using vector or matrix manipulations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
EP19877558.7A 2018-11-01 2019-10-29 Compression d'informations d'état de canal dans le domaine fréquentiel Withdrawn EP3874614A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862754497P 2018-11-01 2018-11-01
US201962794220P 2019-01-18 2019-01-18
PCT/US2019/058523 WO2020092340A1 (fr) 2018-11-01 2019-10-29 Compression d'informations d'état de canal dans le domaine fréquentiel

Publications (2)

Publication Number Publication Date
EP3874614A1 EP3874614A1 (fr) 2021-09-08
EP3874614A4 true EP3874614A4 (fr) 2022-08-31

Family

ID=70464479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19877558.7A Withdrawn EP3874614A4 (fr) 2018-11-01 2019-10-29 Compression d'informations d'état de canal dans le domaine fréquentiel

Country Status (3)

Country Link
EP (1) EP3874614A4 (fr)
CN (1) CN112913155A (fr)
WO (1) WO2020092340A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022073663A1 (fr) * 2020-10-06 2022-04-14 Nokia Technologies Oy Procédé, appareil et programme informatique
CN115118316B (zh) * 2021-03-19 2024-04-26 北京紫光展锐通信技术有限公司 类型ⅱ端口选择码本的反馈、确定方法及装置、计算机可读存储介质
US11909472B2 (en) 2021-11-16 2024-02-20 Samsung Electronics Co., Ltd Method and apparatus for selection of linear combination coefficients for precoding in frequency-selective channels
CN116939649A (zh) * 2022-04-01 2023-10-24 维沃移动通信有限公司 信道特征信息传输方法、装置、终端及网络侧设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9401749B2 (en) * 2013-03-08 2016-07-26 Google Technology Holdings LLC Method for codebook enhancement for multi-user multiple-input multiple-output systems
KR20150136474A (ko) * 2013-03-11 2015-12-07 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보 보고 방법 및 장치
KR102398220B1 (ko) * 2014-10-31 2022-05-16 삼성전자주식회사 개선된 무선 통신 시스템을 위한 코드북 디자인 및 구조
WO2016183737A1 (fr) * 2015-05-15 2016-11-24 Qualcomm Incorporated Procédures csi améliorées pour fd-mimo
US10298300B2 (en) * 2016-07-27 2019-05-21 Samsung Electronics Co., Ltd. Linear combination codebook for CSI reporting in advanced wireless communication systems
US11088732B2 (en) * 2016-09-26 2021-08-10 Lg Electronics Inc. Method for transmitting/receiving channel state information in wireless communication system and apparatus for same

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ERICSSON: "On CSI enhancements for MU-MIMO support", vol. RAN WG1, no. Chengdu, China; 20181008 - 20181012, 29 September 2018 (2018-09-29), XP051518594, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG1%5FRL1/TSGR1%5F94b/Docs/R1%2D1811193%2Ezip> [retrieved on 20180929] *
HUAWEI ET AL: "Discussion on CSI enhancement for MU-MIMO", vol. RAN WG1, no. Chengdu, China; 20181008 - 20181012, 29 September 2018 (2018-09-29), XP051517518, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG1%5FRL1/TSGR1%5F94b/Docs/R1%2D1810103%2Ezip> [retrieved on 20180929] *
See also references of WO2020092340A1 *

Also Published As

Publication number Publication date
CN112913155A (zh) 2021-06-04
WO2020092340A1 (fr) 2020-05-07
EP3874614A1 (fr) 2021-09-08

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