CL2022001081A1 - Mapeo de la base fd con ventana a un indicador combinatorio para informes y uso de pmi - Google Patents

Mapeo de la base fd con ventana a un indicador combinatorio para informes y uso de pmi

Info

Publication number
CL2022001081A1
CL2022001081A1 CL2022001081A CL2022001081A CL2022001081A1 CL 2022001081 A1 CL2022001081 A1 CL 2022001081A1 CL 2022001081 A CL2022001081 A CL 2022001081A CL 2022001081 A CL2022001081 A CL 2022001081A CL 2022001081 A1 CL2022001081 A1 CL 2022001081A1
Authority
CL
Chile
Prior art keywords
pmi
mapping
windowed
reporting
base
Prior art date
Application number
CL2022001081A
Other languages
English (en)
Inventor
Mihai Enescu
Filippo Tosato
Marco Maso
Original Assignee
Nokia Technologies Oy
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 Nokia Technologies Oy filed Critical Nokia Technologies Oy
Publication of CL2022001081A1 publication Critical patent/CL2022001081A1/es

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
    • H04B7/0417—Feedback 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
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • 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
    • 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)
  • Alarm Systems (AREA)

Abstract

Un UE determina un PMI mediante la realización de al menos lo siguiente: determinar un conjunto intermedio de vectores a partir de un libro de códigos FD; formar un subconjunto del conjunto intermedio de vectores; mapear el subconjunto de vectores a un indicador combinatorio; y formar el PMI al menos a partir del indicador combinatorio.
CL2022001081A 2019-10-29 2022-04-28 Mapeo de la base fd con ventana a un indicador combinatorio para informes y uso de pmi CL2022001081A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201962927467P 2019-10-29 2019-10-29

Publications (1)

Publication Number Publication Date
CL2022001081A1 true CL2022001081A1 (es) 2023-01-06

Family

ID=73172782

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2022001081A CL2022001081A1 (es) 2019-10-29 2022-04-28 Mapeo de la base fd con ventana a un indicador combinatorio para informes y uso de pmi

Country Status (10)

Country Link
US (2) US11431395B2 (es)
EP (1) EP3966956A1 (es)
JP (2) JP7478822B2 (es)
KR (1) KR20220087547A (es)
CN (1) CN114762265A (es)
AU (2) AU2020375220B2 (es)
BR (1) BR112022007920A2 (es)
CA (1) CA3155942A1 (es)
CL (1) CL2022001081A1 (es)
WO (1) WO2021084459A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220393743A1 (en) * 2021-05-11 2022-12-08 Nokia Technologies Oy Precoding information
MX2023013242A (es) * 2021-05-11 2023-12-15 Nokia Technologies Oy Informacion de precodificacion.

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101388699A (zh) * 2007-09-12 2009-03-18 夏普株式会社 基于空时频域的信息反馈方法和系统、用户设备及基站
KR102585652B1 (ko) * 2011-01-07 2023-10-05 인터디지탈 패튼 홀딩스, 인크 다중 송신 포인트의 채널 상태 정보(csi) 전달
CN108111196B (zh) * 2012-06-04 2021-06-18 交互数字专利控股公司 传递多个传输点的信道状态信息(csi)
EP3306827B1 (en) * 2013-04-15 2019-09-11 Huawei Technologies Co., Ltd. Method for reporting channel state information, user equipment, and base station
WO2014179991A1 (zh) * 2013-05-10 2014-11-13 华为技术有限公司 确定预编码矩阵指示的方法、用户设备和基站
ES2756338T3 (es) * 2013-05-10 2020-04-27 Huawei Tech Co Ltd Método para determinar un indicador de matriz de precodificación, equipo de usuario y estación base
KR20160098435A (ko) * 2013-12-16 2016-08-18 후아웨이 테크놀러지 컴퍼니 리미티드 파일럿 신호 전송 방법, 기지국, 및 사용자 장비
WO2016108482A1 (ko) * 2014-12-30 2016-07-07 엘지전자(주) 무선 통신 시스템에서 코드북을 이용하여 프리코딩을 수행하기 위한 방법 및 이를 위한 장치
WO2017007240A1 (ko) * 2015-07-06 2017-01-12 삼성전자 주식회사 이동 통신 시스템에서 채널을 측정하는 방법 및 장치
EP3399663A4 (en) * 2016-02-03 2019-01-16 Samsung Electronics Co., Ltd. METHOD AND APPARATUS FOR CONFIGURING A REFERENCE SIGNAL AND FOR GENERATING CHANNEL INFORMATION IN A MOBILE COMMUNICATION SYSTEM
US10694539B2 (en) * 2016-02-05 2020-06-23 Samsung Electronics Co., Ltd Communication method and device in mobile communication system
EP3520304A1 (en) * 2016-09-28 2019-08-07 IDAC Holdings, Inc. Reference signal design for wireless communication systems
US10200103B2 (en) * 2016-11-23 2019-02-05 Samsung Electronics Co., Ltd. Method and apparatus to enable multi-resolution CSI reporting in advanced wireless communication systems
US10652002B2 (en) * 2017-08-31 2020-05-12 Samsung Electronics Co., Ltd. Method and apparatus for re mapping and rate matching for 5G next radio system
CN112165439A (zh) * 2018-01-25 2021-01-01 华为技术有限公司 一种信道估计方法和装置

Also Published As

Publication number Publication date
CA3155942A1 (en) 2021-05-06
US20230006725A1 (en) 2023-01-05
CN114762265A (zh) 2022-07-15
US11431395B2 (en) 2022-08-30
JP2024125288A (ja) 2024-09-18
AU2020375220A1 (en) 2022-06-16
EP3966956A1 (en) 2022-03-16
JP2023500848A (ja) 2023-01-11
KR20220087547A (ko) 2022-06-24
JP7478822B2 (ja) 2024-05-07
BR112022007920A2 (pt) 2022-07-12
WO2021084459A1 (en) 2021-05-06
AU2020375220B2 (en) 2023-12-21
AU2024201722A1 (en) 2024-04-04
US20210126691A1 (en) 2021-04-29

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