AR096523A1 - Método para transmitir una matriz de precodificación de 4 antenas, un equipo de usuario y una estación de base - Google Patents

Método para transmitir una matriz de precodificación de 4 antenas, un equipo de usuario y una estación de base

Info

Publication number
AR096523A1
AR096523A1 ARP140102184A ARP140102184A AR096523A1 AR 096523 A1 AR096523 A1 AR 096523A1 AR P140102184 A ARP140102184 A AR P140102184A AR P140102184 A ARP140102184 A AR P140102184A AR 096523 A1 AR096523 A1 AR 096523A1
Authority
AR
Argentina
Prior art keywords
base station
transmitting
user equipment
antenna
precoding matrix
Prior art date
Application number
ARP140102184A
Other languages
English (en)
Inventor
Wu Qiang
Liu Jianghua
Zhang Leiming
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 AR096523A1 publication Critical patent/AR096523A1/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
    • H04B7/0456—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
    • H04B7/0413—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
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • 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

Abstract

La presente divulga un método para transmitir una matriz de precodificación de 4 antenas, un equipo de usuario y una estación de base. El método incluye: determinar un rango usado para indicar la cantidad de capas de transmisión; determinar una primera matriz de precodificación en un conjunto de libro de código correspondiente al rango; determinar un primer PMI y un segundo PMI usados para indicar la primera matriz de precodificación a una estación de base. Por medio del método para transmitir una matriz de precodificación de 4 antenas, el equipo de usuario y la estación de base de acuerdo con las formas de realización de la presente, pueden indicarse más matrices de precodificación que son aplicables a una antena de arreglo lineal uniforme sin cambiar el modo de realimentación o los bits de realimentación, y puede asegurarse que no se ve afectado el rendimiento de la aplicación de una antena doble polarizada, de manera que el rendimiento del sistema puede mejorar y ampliarse la experiencia del usuario.
ARP140102184A 2013-06-04 2014-06-04 Método para transmitir una matriz de precodificación de 4 antenas, un equipo de usuario y una estación de base AR096523A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/076735 WO2014194479A1 (zh) 2013-06-04 2013-06-04 传输四天线预编码矩阵的方法、用户设备和基站

Publications (1)

Publication Number Publication Date
AR096523A1 true AR096523A1 (es) 2016-01-13

Family

ID=52007408

Family Applications (2)

Application Number Title Priority Date Filing Date
ARP140102184A AR096523A1 (es) 2013-06-04 2014-06-04 Método para transmitir una matriz de precodificación de 4 antenas, un equipo de usuario y una estación de base
ARP140102185A AR096524A1 (es) 2013-06-04 2014-06-04 Método para transmitir una matriz de precodificación de 4 antenas, un equipo de usuario y una estación de base

Family Applications After (1)

Application Number Title Priority Date Filing Date
ARP140102185A AR096524A1 (es) 2013-06-04 2014-06-04 Método para transmitir una matriz de precodificación de 4 antenas, un equipo de usuario y una estación de base

Country Status (10)

Country Link
US (2) US9531460B2 (es)
EP (2) EP2985942B1 (es)
JP (1) JP6235704B2 (es)
KR (2) KR101806091B1 (es)
CN (1) CN104521165B (es)
AR (2) AR096523A1 (es)
BR (1) BR112015029739B1 (es)
MX (1) MX350673B (es)
RU (1) RU2615680C1 (es)
WO (1) WO2014194479A1 (es)

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Also Published As

Publication number Publication date
US9843366B1 (en) 2017-12-12
EP2985942A1 (en) 2016-02-17
JP6235704B2 (ja) 2017-11-22
EP2985942B1 (en) 2017-08-09
MX350673B (es) 2017-09-13
RU2615680C1 (ru) 2017-04-06
WO2014194479A1 (zh) 2014-12-11
EP3264627B1 (en) 2019-11-06
BR112015029739B1 (pt) 2022-08-23
KR20170069296A (ko) 2017-06-20
EP3264627A1 (en) 2018-01-03
BR112015029739A2 (pt) 2017-07-25
CN104521165B (zh) 2018-05-18
US20170338868A1 (en) 2017-11-23
KR20160010489A (ko) 2016-01-27
AR096524A1 (es) 2016-01-13
US9531460B2 (en) 2016-12-27
KR101806091B1 (ko) 2017-12-06
CN104521165A (zh) 2015-04-15
JP2016526353A (ja) 2016-09-01
EP2985942A4 (en) 2016-05-11
MX2015016226A (es) 2016-03-01
US20160087701A1 (en) 2016-03-24
KR101762526B1 (ko) 2017-07-27

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