BR112015029739A2 - método para transmitir matriz de pré-codificação de 4 antenas, equipamento de usuário e estação base - Google Patents

método para transmitir matriz de pré-codificação de 4 antenas, equipamento de usuário e estação base

Info

Publication number
BR112015029739A2
BR112015029739A2 BR112015029739A BR112015029739A BR112015029739A2 BR 112015029739 A2 BR112015029739 A2 BR 112015029739A2 BR 112015029739 A BR112015029739 A BR 112015029739A BR 112015029739 A BR112015029739 A BR 112015029739A BR 112015029739 A2 BR112015029739 A2 BR 112015029739A2
Authority
BR
Brazil
Prior art keywords
base station
transmitting
user equipment
antenna
pmi
Prior art date
Application number
BR112015029739A
Other languages
English (en)
Other versions
BR112015029739B1 (pt
Inventor
Liu Jianghua
Zhang Leiming
Wu Qiang
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 BR112015029739A2 publication Critical patent/BR112015029739A2/pt
Publication of BR112015029739B1 publication Critical patent/BR112015029739B1/pt

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
    • H04B7/0413—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

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

Abstract

resumo patente de invenção: "método, equipamento de usuário e estação base para transmitir matriz de pré-codificação de quatro antenas". a presente invenção refere-se a um método, um equipamento de usuário e uma estação base para transmitir uma matriz de pré-codificação de 4 antenas. o método inclui: determinar uma classificação usada para indicar o número de camadas de transmissão; determinar uma primeira matriz de pré-codificação em um conjunto de livro de código que corresponde à classificação; determinar um primeiro pmi e um segundo pmi usado para indicar a primeira matriz de pré-codificação; e enviar o primeiro pmi e o segundo pmi usado para indicar a primeira matriz de pré-codificação para uma estação base. por meio do método para transmitir uma matriz de pré-codificação de 4 antenas, o equipamento de usuário e a estação base de acordo com as modalidades da presente invenção, mais matrizes de pré-codificação que são aplicáveis a uma antena de arranjo linear uniforme podem ser indicadas sem alterar um modo de retroalimentação ou bits de retroalimentação, e pode ser garantido que o desempenho para a aplicação de uma antena polarizada dupla não seja afetado, de modo que o desempenho do sistema possa ser aprimorado e a experiência do usuário possa ser melhorada.
BR112015029739-0A 2013-06-04 2013-06-04 Método para transmitir matriz de pré-codificação de 4 antenas, equipamento de usuário e estação base BR112015029739B1 (pt)

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 (2)

Publication Number Publication Date
BR112015029739A2 true BR112015029739A2 (pt) 2017-07-25
BR112015029739B1 BR112015029739B1 (pt) 2022-08-23

Family

ID=52007408

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015029739-0A BR112015029739B1 (pt) 2013-06-04 2013-06-04 Método para transmitir matriz de pré-codificação de 4 antenas, equipamento de usuário e estação base

Country Status (10)

Country Link
US (2) US9531460B2 (pt)
EP (2) EP3264627B1 (pt)
JP (1) JP6235704B2 (pt)
KR (2) KR101762526B1 (pt)
CN (1) CN104521165B (pt)
AR (2) AR096524A1 (pt)
BR (1) BR112015029739B1 (pt)
MX (1) MX350673B (pt)
RU (1) RU2615680C1 (pt)
WO (1) WO2014194479A1 (pt)

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Also Published As

Publication number Publication date
EP3264627B1 (en) 2019-11-06
CN104521165A (zh) 2015-04-15
JP6235704B2 (ja) 2017-11-22
AR096523A1 (es) 2016-01-13
EP2985942B1 (en) 2017-08-09
KR20160010489A (ko) 2016-01-27
KR101762526B1 (ko) 2017-07-27
EP2985942A4 (en) 2016-05-11
EP2985942A1 (en) 2016-02-17
EP3264627A1 (en) 2018-01-03
US20160087701A1 (en) 2016-03-24
US20170338868A1 (en) 2017-11-23
JP2016526353A (ja) 2016-09-01
AR096524A1 (es) 2016-01-13
US9531460B2 (en) 2016-12-27
RU2615680C1 (ru) 2017-04-06
KR101806091B1 (ko) 2017-12-06
WO2014194479A1 (zh) 2014-12-11
CN104521165B (zh) 2018-05-18
MX2015016226A (es) 2016-03-01
MX350673B (es) 2017-09-13
BR112015029739B1 (pt) 2022-08-23
US9843366B1 (en) 2017-12-12
KR20170069296A (ko) 2017-06-20

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04L 1/06

Ipc: H04B 7/0417 (2017.01), H04B 7/0456 (2017.01), H04B

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 04/06/2013, OBSERVADAS AS CONDICOES LEGAIS