CN111316692A - 信道状态信息的反馈方法、通信装置和*** - Google Patents

信道状态信息的反馈方法、通信装置和*** Download PDF

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CN111316692A
CN111316692A CN201780096646.6A CN201780096646A CN111316692A CN 111316692 A CN111316692 A CN 111316692A CN 201780096646 A CN201780096646 A CN 201780096646A CN 111316692 A CN111316692 A CN 111316692A
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CN111316692B (zh
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张瑞齐
刘鹍鹏
李雪茹
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Huawei Technologies Co Ltd
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    • 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
    • H04B7/06—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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space 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
    • H04B7/10—Polarisation diversity; Directional diversity

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本申请提供一种信道状态信息的反馈方法和装置。该方法包括：生成第一频域指示信息和M1个第一预编码指示信息，其中，所述第一频域指示信息用于指示T个频域子带中的L1个频域子带，所述T个频域子带是***带宽或是所述***带宽的一部分，1≤L1<T，所述T个频域子带与T个预编码矩阵一一对应，对应于第k个频域子带的预编码矩阵Wk满足:
Figure DDA0002481934930000011
W1为Nt行R列的矩阵，
Figure DDA0002481934930000012
为R行S列的矩阵；所述第一频域指示信息和所述M1个第一预编码指示信息用于确定T个第一元素，所述T个第一元素中的第k个第一元素为
Figure DDA0002481934930000013
中第r行第s列元素的因子,1<M1<T。发送所述第一频域指示信息和所述M1个第一预编码指示信息。该方法降低了信道状态信息的反馈开销。

Description

PCT国内申请，说明书已公开。

Claims (25)

  1. PCT国内申请，权利要求书已公开。
CN201780096646.6A 2017-11-17 2017-11-17 信道状态信息的反馈方法、通信装置和*** Active CN111316692B (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090046569A1 (en) * 2007-08-14 2009-02-19 Texas Instruments Incorporated Precoding matrix feedback processes, circuits and systems
CN101400074A (zh) * 2007-09-28 2009-04-01 夏普株式会社 减少预编码矩阵索引号反馈量的方法、用户设备及***
WO2014169421A1 (zh) * 2013-04-15 2014-10-23 华为技术有限公司 一种报告信道状态信息的方法、用户设备和基站
CN105187101A (zh) * 2010-09-26 2015-12-23 Lg电子株式会社 在支持多个天线的无线通信***中的有效反馈的方法和设备
CN107181514A (zh) * 2016-03-11 2017-09-19 电信科学技术研究院 一种csi反馈方法、预编码方法及装置
CN107196749A (zh) * 2013-12-31 2017-09-22 上海华为技术有限公司 一种信道状态信息测量、参考信号的发送方法和装置

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101249359B1 (ko) * 2006-08-18 2013-04-01 삼성전자주식회사 다중 입력 다중 출력을 지원하는 직교 주파수 분할 다중화 시스템에서 채널 품질 정보를 송수신하는 방법 및 장치
US8699602B2 (en) * 2007-12-13 2014-04-15 Texas Instruments Incorporated Channel quality report processes, circuits and systems
KR101403134B1 (ko) * 2007-07-13 2014-06-03 엘지전자 주식회사 다중안테나 시스템에서 다중사용자 데이터 전송 방법
KR101370916B1 (ko) * 2007-08-22 2014-03-10 엘지전자 주식회사 다수의 부 반송파를 이용하는 다중 안테나 시스템에서의,데이터 송수신 방법
US8457265B2 (en) * 2007-08-23 2013-06-04 Qualcomm Incorporated Method and apparatus for generating coefficients in a multi-input-multi-output (MIMO) system
GB0804616D0 (en) * 2008-03-12 2008-04-16 Cambridge Silicon Radio Ltd Diversity reception
WO2010017101A2 (en) * 2008-08-05 2010-02-11 Interdigital Patent Holdings, Inc. Method and apparatus for implementing multi-cell cooperation techniques
US8238488B1 (en) * 2008-09-02 2012-08-07 Marvell International Ltd. Multi-stream maximum-likelihood demodulation based on bitwise constellation partitioning
US8451932B2 (en) * 2009-02-23 2013-05-28 Texas Instruments Incorporated Precoding codebook design for single user MIMO
US8451944B2 (en) * 2009-09-04 2013-05-28 Hitachi, Ltd. Tomlinson harashima precoding with additional receiver processing in a multi-user multiple-input multiple-output wireless transmission system
BR122018016482B8 (pt) * 2010-01-08 2021-11-30 Huawei Tech Co Ltd Dispositivo de nó de recepção disposto para reportar informação de estado de canal e dispositivo de nó de transmissão disposto para receber e processar informação de estado de canal
KR101276855B1 (ko) * 2010-03-08 2013-06-18 엘지전자 주식회사 프리코딩 행렬 정보 전송방법 및 사용자기기와, 프리코딩 행렬 구성방법 및 기지국
US20110243079A1 (en) * 2010-03-18 2011-10-06 Texas Instruments Incorporated Transmission Modes and Signaling for Uplink MIMO Support or Single TB Dual-Layer Transmission in LTE Uplink
JP5276047B2 (ja) * 2010-04-30 2013-08-28 株式会社エヌ・ティ・ティ・ドコモ 移動端末装置
US8848817B2 (en) * 2010-04-30 2014-09-30 Texas Instruments Incorporated Transmission modes and signaling for uplink MIMO support or single TB dual-layer transmission in LTE uplink
CN101834708B (zh) * 2010-04-30 2015-01-28 中兴通讯股份有限公司 一种信道信息的获取方法及装置
CN102291199B (zh) * 2010-06-18 2013-11-20 电信科学技术研究院 一种上报信道状态信息的方法及装置
CN101877627B (zh) * 2010-06-21 2015-09-16 中兴通讯股份有限公司 信道状态信息的反馈方法及终端
CN102291222B (zh) * 2010-06-21 2014-07-09 电信科学技术研究院 一种反馈预编码矩阵指示方法、装置及***
CN102111246B (zh) * 2011-01-12 2017-03-29 中兴通讯股份有限公司 反馈信道状态信息的方法和用户设备
US9173130B2 (en) * 2011-01-27 2015-10-27 Lg Electronics Inc. Channel status information feedback method and apparatus in multi-node system
US8750358B2 (en) * 2011-04-06 2014-06-10 Nec Laboratories America, Inc. Method for improving multiuser MIMO downlink transmissions
US8781018B2 (en) * 2011-04-25 2014-07-15 Texas Instruments Incorporated Six transmit antenna codebook design
US9735844B2 (en) * 2011-05-09 2017-08-15 Texas Instruments Incorporated Channel feedback for coordinated multi-point transmissions
US9025574B2 (en) * 2011-08-12 2015-05-05 Blackberry Limited Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system
CN104079384B (zh) * 2013-03-27 2017-10-17 华为技术有限公司 多天线***的数据传输方法和设备
RU2630378C2 (ru) * 2013-04-28 2017-09-07 Хуавей Текнолоджиз Ко., Лтд. Способ обратной связи по указателю матрицы предварительного кодирования, сторона приема и сторона передачи
CN105210405B (zh) * 2014-03-06 2021-01-29 华为技术有限公司 报告信道状态信息的方法、用户设备和基站
ES2713701T3 (es) * 2014-05-30 2019-05-23 Huawei Tech Co Ltd Procedimiento y dispositivo para notificar información de estado de canal (CSI), y antena de estación base
BR112017012390B1 (pt) * 2014-12-11 2022-11-08 Huawei Technologies Co., Ltd Método de transmissão de dados, e dispositivo de extremidade de transmissão
US9973249B2 (en) * 2014-12-23 2018-05-15 Samsung Electronics Co., Ltd. Channel state information feedback schemes for FD-MIMO
EP3229553B1 (en) * 2014-12-31 2024-03-13 Huawei Technologies Co., Ltd. Precoding matrix indicator (pmi) feedback method
WO2016161919A1 (zh) * 2015-04-10 2016-10-13 华为技术有限公司 一种csi的测量和反馈方法、设备
US10110290B2 (en) * 2015-08-13 2018-10-23 Electronics And Telecommunications Research Institute Terminal for periodically transmitting CSI feedback information
CN106559121B (zh) * 2015-09-25 2021-07-09 华为技术有限公司 一种多天线信道测量方法和装置
CN108352866B (zh) * 2015-11-07 2020-10-23 华为技术有限公司 一种测量和反馈信道状态信息csi的方法及装置
CN108370265B (zh) * 2015-12-29 2021-09-07 华为技术有限公司 一种确定预编码矩阵的方法及装置
JP6750926B2 (ja) * 2016-04-01 2020-09-02 ホアウェイ・テクノロジーズ・カンパニー・リミテッド プリコーディング行列インジケータフィードバック方法および装置
CN107370530B (zh) * 2016-05-12 2021-02-12 华为技术有限公司 信道状态信息反馈方法、预编码方法、终端设备和基站
CN107370525B (zh) * 2016-05-12 2021-03-30 华为技术有限公司 用于信道状态信息反馈的方法、基站、终端设备及***
CN109450505B (zh) * 2016-05-13 2019-11-15 华为技术有限公司 一种信道信息发送方法、数据发送方法和设备
RU2739498C2 (ru) * 2016-05-13 2020-12-24 Телефонактиеболагет Лм Эрикссон (Пабл) Механизм для csi-rs уменьшенной плотности
CN110176949A (zh) * 2016-08-12 2019-08-27 华为技术有限公司 数据发送方法、信令发送方法、装置及***
CN107888246B (zh) * 2016-09-29 2023-04-28 华为技术有限公司 基于码本的信道状态信息反馈方法及设备
KR102641746B1 (ko) * 2016-10-18 2024-02-29 삼성전자주식회사 대규모 안테나를 이용하는 무선 통신 시스템에서 프리코딩을 수행하기 위한 장치 및 방법
CN108271265B (zh) * 2017-01-03 2023-04-07 华为技术有限公司 通信方法、基站和终端设备
US10742290B2 (en) * 2017-04-13 2020-08-11 Samsung Electronics Co., Ltd. High-resolution CSI reporting based on unequal bit allocation in advanced wireless communication systems
CN114050854A (zh) * 2017-06-16 2022-02-15 中兴通讯股份有限公司 一种无线通信方法和装置
CN108847875B (zh) * 2017-06-16 2019-10-22 华为技术有限公司 一种信道状态信息发送、接收方法及设备
CN109474322B (zh) * 2017-09-08 2021-05-18 华为技术有限公司 一种信道反馈的方法及相关设备
US10735066B2 (en) * 2017-12-22 2020-08-04 Samsung Electronics Co., Ltd. Methods of beam codebook generation for the 5G terminals

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090046569A1 (en) * 2007-08-14 2009-02-19 Texas Instruments Incorporated Precoding matrix feedback processes, circuits and systems
CN101400074A (zh) * 2007-09-28 2009-04-01 夏普株式会社 减少预编码矩阵索引号反馈量的方法、用户设备及***
CN105187101A (zh) * 2010-09-26 2015-12-23 Lg电子株式会社 在支持多个天线的无线通信***中的有效反馈的方法和设备
WO2014169421A1 (zh) * 2013-04-15 2014-10-23 华为技术有限公司 一种报告信道状态信息的方法、用户设备和基站
CN107196749A (zh) * 2013-12-31 2017-09-22 上海华为技术有限公司 一种信道状态信息测量、参考信号的发送方法和装置
CN107181514A (zh) * 2016-03-11 2017-09-19 电信科学技术研究院 一种csi反馈方法、预编码方法及装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CATT: "Evaluation results for further enhanced DL MIMO", 《R1-124770》 *

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