MX2015008407A - Metodo para retroalimentar informacion de estado de canal, equipo de usuario, y estacion base. - Google Patents

Metodo para retroalimentar informacion de estado de canal, equipo de usuario, y estacion base.

Info

Publication number
MX2015008407A
MX2015008407A MX2015008407A MX2015008407A MX2015008407A MX 2015008407 A MX2015008407 A MX 2015008407A MX 2015008407 A MX2015008407 A MX 2015008407A MX 2015008407 A MX2015008407 A MX 2015008407A MX 2015008407 A MX2015008407 A MX 2015008407A
Authority
MX
Mexico
Prior art keywords
base station
state information
channel state
precoding matrix
user equipment
Prior art date
Application number
MX2015008407A
Other languages
English (en)
Other versions
MX344041B (es
Inventor
Yongxing Zhou
Jianguo Wang
Leiming Zhang
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2015008407A publication Critical patent/MX2015008407A/es
Publication of MX344041B publication Critical patent/MX344041B/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
    • H04B7/0413—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
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
    • 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
    • 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
    • H04B7/0636—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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation

Landscapes

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

Abstract

Modalidades de la presente invención proporcionan un método para retroalimentar información de estado de canal, un equipo de usuario, y una estación base, para mejorar la precisión de la retroalimentación de la información de estado de canal; el método incluye: recibir una señal de referencia enviada por una estación base; seleccionar una matriz de precodificación W de un libro de códigos de acuerdo con la señal de referencia, donde un vector de columna de la matriz de precodificacion W se puede expresar como (ver Fórmula) donde a es una constante, ? y ? son fases, y [ ]T indica la transposición de una matriz o vector; y enviar un indicador de matriz de precodificación PMI a la estación base, donde el PMI está correspondiendo a la matriz de precodificación seleccionada W; la presente invención además puede mejorar la precisión de la cuantificación y lograr el equilibrio entre sobrecargas y la precisión de la cuantificación; la estación base ejecuta precodificación en una señal enviada de acuerdo con un indicador de matriz de precodificación retroalimentado, lo cual puede mejorar la precisión de la precodificación, mejorando así una velocidad de transmisión de datos y el rendimiento del sistema.
MX2015008407A 2012-12-27 2012-12-27 Metodo para retroalimentar informacion de estado de canal, equipo de usuario, y estacion base. MX344041B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/087699 WO2014101055A1 (zh) 2012-12-27 2012-12-27 信道状态信息反馈的方法以及一种用户设备和基站

Publications (2)

Publication Number Publication Date
MX2015008407A true MX2015008407A (es) 2015-09-23
MX344041B MX344041B (es) 2016-12-01

Family

ID=51019704

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2015008407A MX344041B (es) 2012-12-27 2012-12-27 Metodo para retroalimentar informacion de estado de canal, equipo de usuario, y estacion base.

Country Status (11)

Country Link
US (7) US9438328B2 (es)
EP (5) EP3197070B1 (es)
JP (1) JP6118423B2 (es)
CN (2) CN107689823B (es)
BR (1) BR112015015418B1 (es)
MX (1) MX344041B (es)
MY (1) MY161041A (es)
RU (1) RU2618508C2 (es)
SG (1) SG11201505013UA (es)
WO (1) WO2014101055A1 (es)
ZA (1) ZA201504716B (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11201505013UA (en) * 2012-12-27 2015-08-28 Huawei Tech Co Ltd Method for feeding back channel state information, user equipment, and base station
CN104065448B (zh) * 2013-03-22 2017-11-14 电信科学技术研究院 一种确定预编码矩阵的方法、系统和设备
KR20150121185A (ko) * 2013-04-04 2015-10-28 후지쯔 가부시끼가이샤 이동국, 기지국 및 통신 제어 방법
KR102222929B1 (ko) * 2015-10-04 2021-03-04 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치
CN106685598B (zh) * 2015-11-06 2019-06-14 电信科学技术研究院 一种信道状态信息csi反馈方法、终端及基站
CN106953672B (zh) * 2016-01-07 2020-04-14 中兴通讯股份有限公司 一种多天线系统中信道信息反馈的方法及终端
CN107404342A (zh) * 2016-05-19 2017-11-28 北京信威通信技术股份有限公司 一种下行多天线预编码方法及系统
CN107733494B (zh) * 2016-08-12 2021-06-29 大唐移动通信设备有限公司 一种预编码方法、信道状态信息确定方法及装置
WO2018137208A1 (zh) * 2017-01-25 2018-08-02 华为技术有限公司 信道状态信息的传输方法、接入网设备和终端设备
CN108631847B (zh) * 2017-03-24 2021-06-01 华为技术有限公司 传输信道状态信息的方法、终端设备和网络设备
US20200162133A1 (en) * 2017-06-16 2020-05-21 Telefonaktiebolaget Lm Ericsson (Publ) Multi-resource uplink sounding and antenna subset transmission
WO2019069128A1 (en) * 2017-10-02 2019-04-11 Lenovo (Singapore) Pte. Ltd. METHOD AND APPARATUS FOR USING A DETERMINED COMPRESSION MATRIX TO FORM A SET OF COMPOSITE BEAMS
CN111837432B (zh) * 2018-07-03 2022-02-01 Oppo广东移动通信有限公司 确定信道状态信息的方法、终端设备及存储介质
CN110535512B (zh) * 2018-10-31 2023-06-30 中兴通讯股份有限公司 一种报告天线端口加权矢量的方法、装置和系统
CN111436080B (zh) * 2019-01-11 2023-05-05 大唐移动通信设备有限公司 一种信息发送方法、终端设备及网络设备
GB202008299D0 (en) * 2020-06-02 2020-07-15 Imagination Tech Ltd Manipulation of data in a memory
CN113364494B (zh) * 2021-05-06 2022-08-16 西安交通大学 一种针对硬件失真的irs辅助miso系统性能优化方法
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

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080040543A (ko) 2006-11-02 2008-05-08 엘지전자 주식회사 위상천이 기반 프리코딩을 이용한 데이터 전송 방법 및이를 지원하는 송수신기
US8259824B2 (en) 2007-05-23 2012-09-04 Texas Instruments Incorporated Nested precoding codebook structures for MIMO systems
US8798183B2 (en) * 2007-08-13 2014-08-05 Qualcomm Incorporated Feedback and rate adaptation for MIMO transmission in a time division duplexed (TDD) communication system
US7680621B2 (en) 2007-08-15 2010-03-16 Keithley Instruments, Inc. Test instrument network
CN101867463B (zh) * 2007-09-18 2012-12-19 中兴通讯股份有限公司 一种基于码本方式的预编码方法和码本构建方法
CN101394216B (zh) * 2007-09-18 2013-01-16 中兴通讯股份有限公司 一种基于码本方式的预编码方法和码本构建方法
KR100912226B1 (ko) * 2008-06-27 2009-08-14 삼성전자주식회사 다중 입출력 시스템을 위한 코드북 설계 방법 및 상기 코드북의 사용 방법
KR20100013251A (ko) * 2008-07-30 2010-02-09 엘지전자 주식회사 다중안테나 시스템에서 데이터 전송방법
KR101027237B1 (ko) * 2008-07-30 2011-04-06 엘지전자 주식회사 다중안테나 시스템에서 데이터 전송방법
US8451932B2 (en) * 2009-02-23 2013-05-28 Texas Instruments Incorporated Precoding codebook design for single user MIMO
US8705510B2 (en) * 2009-04-22 2014-04-22 Lg Electronics Inc. Method for transmitting feedback information and data using a precoding codebook for multicell cooperative communication in a wireless communication system
US8750205B2 (en) * 2009-08-07 2014-06-10 Texas Instruments Incorporated Multiple rank CQI feedback for cellular networks
CN102035625A (zh) * 2009-09-29 2011-04-27 松下电器产业株式会社 优化通信系统的预编码器的方法、基站和终端
CN102763345A (zh) * 2010-01-12 2012-10-31 株式会社泛泰 用于信道信息反馈的装置和方法、接收信道信息的基站及基站的通信方法
JP5258002B2 (ja) * 2010-02-10 2013-08-07 マーベル ワールド トレード リミテッド Ｍｉｍｏ通信システムにおける装置、移動通信端末、チップセット、およびその方法
KR101871707B1 (ko) * 2010-04-02 2018-06-27 엘지전자 주식회사 무선통신 시스템에서 채널상태정보 피드백 하는 단말 장치 및 그 방법
EP2557700B1 (en) * 2010-04-08 2019-09-04 Lg Electronics Inc. Signal transmission method and apparatus using codebook in wireless communication system supporting multiple antennas
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
KR101817724B1 (ko) * 2010-04-30 2018-02-21 삼성전자주식회사 각 리포팅 모드에 대응하는 코드북을 사용하는 다중 입출력 통신 시스템
US8630311B2 (en) * 2010-05-10 2014-01-14 Futurewei Technologies, Inc. System and method for reporting quantized feedback information for adaptive codebooks
CN101902312B (zh) * 2010-06-21 2016-02-10 中兴通讯股份有限公司 一种多精度的信道信息获取方法及系统
EP2590338B1 (en) * 2010-07-02 2020-03-11 LG Electronics Inc. Method and apparatus for transmitting signals using codebooks in a wireless communication system that supports multiple antennas
US8537658B2 (en) * 2010-08-16 2013-09-17 Motorola Mobility Llc Method of codebook design and precoder feedback in wireless communication systems
KR101875609B1 (ko) * 2010-09-26 2018-08-02 엘지전자 주식회사 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치
US8711907B2 (en) * 2010-10-01 2014-04-29 Intel Corporation PMI feedback with codebook interpolation
KR101891114B1 (ko) * 2010-11-02 2018-08-23 엘지전자 주식회사 보간을 이용한 프리코딩 행렬 지시자 피드백 방법 및 장치
US9319118B2 (en) * 2011-04-29 2016-04-19 Yuan Zhu Technology for CSI feedback in a MIMO communication system
BR112014009201B1 (pt) * 2011-11-09 2022-05-17 Telefonaktiebolaget Lm Ericsson (Publ) Método e terminal sem fio para relatar informação de estado de canal e método e nó de rede para adaptar a classificação de transmissão de uma transmissão
CN102368698B (zh) * 2011-11-10 2014-04-16 电信科学技术研究院 一种预编码矩阵指示pmi信息的传输方法及装置
WO2013129985A1 (en) * 2012-03-02 2013-09-06 Telefonaktiebolaget L M Ericsson (Publ) Radio base station and method therein for transforming a data transmission signal
SG11201505013UA (en) * 2012-12-27 2015-08-28 Huawei Tech Co Ltd Method for feeding back channel state information, user equipment, and base station

Also Published As

Publication number Publication date
EP2947787A1 (en) 2015-11-25
US20200389217A1 (en) 2020-12-10
EP2947787A4 (en) 2015-11-25
CN104067533B (zh) 2017-11-17
US9438328B2 (en) 2016-09-06
US20150304008A1 (en) 2015-10-22
MX344041B (es) 2016-12-01
SG11201505013UA (en) 2015-08-28
US10715239B2 (en) 2020-07-14
EP3855638B1 (en) 2022-09-28
EP3855638A1 (en) 2021-07-28
JP2016507951A (ja) 2016-03-10
RU2015130998A (ru) 2017-01-31
CN104067533A (zh) 2014-09-24
ZA201504716B (en) 2016-05-25
US20160344465A1 (en) 2016-11-24
EP2947787B1 (en) 2017-02-15
US10484069B2 (en) 2019-11-19
US20170331542A1 (en) 2017-11-16
US9729222B2 (en) 2017-08-08
EP4170919A1 (en) 2023-04-26
JP6118423B2 (ja) 2017-04-19
EP3197070A1 (en) 2017-07-26
BR112015015418A2 (pt) 2017-07-11
MY161041A (en) 2017-04-14
US20220376762A1 (en) 2022-11-24
EP3197070B1 (en) 2019-05-22
BR112015015418B1 (pt) 2023-02-07
RU2618508C2 (ru) 2017-05-04
US11831379B2 (en) 2023-11-28
EP3588801A1 (en) 2020-01-01
EP3588801B1 (en) 2021-02-24
US10230443B2 (en) 2019-03-12
CN107689823A (zh) 2018-02-13
US11431392B2 (en) 2022-08-30
US20190173550A1 (en) 2019-06-06
US20200044713A1 (en) 2020-02-06
WO2014101055A1 (zh) 2014-07-03
CN107689823B (zh) 2023-10-20

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