BR112013009453A2 - método e equipamento para determinar uma matriz de pré-codificação para pré-codificar símbolos a ser transmitidos para uma pluralidade de dispositivos sem fio - Google Patents

método e equipamento para determinar uma matriz de pré-codificação para pré-codificar símbolos a ser transmitidos para uma pluralidade de dispositivos sem fio

Info

Publication number
BR112013009453A2
BR112013009453A2 BR112013009453A BR112013009453A BR112013009453A2 BR 112013009453 A2 BR112013009453 A2 BR 112013009453A2 BR 112013009453 A BR112013009453 A BR 112013009453A BR 112013009453 A BR112013009453 A BR 112013009453A BR 112013009453 A2 BR112013009453 A2 BR 112013009453A2
Authority
BR
Brazil
Prior art keywords
precoding
transmitted
determining
equipment
wireless devices
Prior art date
Application number
BR112013009453A
Other languages
English (en)
Inventor
Guido Dietl
Shinji Mizuta
Original Assignee
Ntt Docomo Inc
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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of BR112013009453A2 publication Critical patent/BR112013009453A2/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
    • H04B7/0456—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
    • H04B7/0452—Multi-user 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers
    • H04L25/03898—Spatial equalizers codebook-based design
    • 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
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, 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
    • H04B7/0621—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
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
BR112013009453A 2011-04-29 2012-04-27 método e equipamento para determinar uma matriz de pré-codificação para pré-codificar símbolos a ser transmitidos para uma pluralidade de dispositivos sem fio BR112013009453A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11164379.7A EP2518906B1 (en) 2011-04-29 2011-04-29 Method and apparatus for determining a precoding matrix for precoding symbols to be transmitted to a plurality of wireless devices
PCT/EP2012/057809 WO2012146739A1 (en) 2011-04-29 2012-04-27 Method and apparatus for determining a precoding matrix for precoding symbols to be transmitted to a plurality of wireless devices

Publications (1)

Publication Number Publication Date
BR112013009453A2 true BR112013009453A2 (pt) 2016-08-16

Family

ID=46046160

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013009453A BR112013009453A2 (pt) 2011-04-29 2012-04-27 método e equipamento para determinar uma matriz de pré-codificação para pré-codificar símbolos a ser transmitidos para uma pluralidade de dispositivos sem fio

Country Status (12)

Country Link
US (1) US8693574B2 (pt)
EP (1) EP2518906B1 (pt)
JP (1) JP5277361B2 (pt)
KR (1) KR20130097783A (pt)
CN (1) CN103201961A (pt)
BR (1) BR112013009453A2 (pt)
CA (1) CA2816387A1 (pt)
ES (1) ES2444119T3 (pt)
MX (1) MX2013004645A (pt)
PL (1) PL2518906T3 (pt)
RU (1) RU2013117279A (pt)
WO (1) WO2012146739A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103327521B (zh) * 2012-03-20 2016-12-14 上海贝尔股份有限公司 用于分配和检测下行链路控制信道资源的方法以及设备
US8976884B2 (en) 2012-12-20 2015-03-10 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US8942302B2 (en) 2012-12-20 2015-01-27 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US8971437B2 (en) * 2012-12-20 2015-03-03 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
EP2838219A1 (en) 2013-07-05 2015-02-18 Samsung Electronics Co., Ltd Transmitter and signal transmitting method thereof
CN103546934B (zh) * 2013-10-22 2016-02-03 北京航空航天大学 一种以用户为中心的多基站协作干扰抑制方法
US9716536B2 (en) * 2015-03-19 2017-07-25 Mitsubishi Electric Research Laboratories, Inc. System and method for wireless communications over fading channels
WO2017011359A1 (en) * 2015-07-10 2017-01-19 Ping Liang Methods for reducing complexity of pre-coding matrix computation and grouping of user equipments in massive mimo systems
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
EP3480967B1 (en) * 2016-06-30 2021-05-19 Panasonic Intellectual Property Corporation of America Transmitting device and transmitting method
KR101915901B1 (ko) 2017-06-26 2018-11-06 연세대학교 산학협력단 Slinr 기반 프리코딩 기법을 적용한 swipt 시스템의 송수신 장치 및 방법
US10181880B1 (en) 2017-10-14 2019-01-15 Facebook, Inc. Zone precoding

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006049461A1 (en) * 2004-11-04 2006-05-11 Samsung Electronics Co., Ltd. Apparatus and method of space time frequency block code
US8014416B2 (en) * 2006-02-14 2011-09-06 Sibeam, Inc. HD physical layer of a wireless communication device
KR20080022033A (ko) * 2006-09-05 2008-03-10 엘지전자 주식회사 프리코딩 정보 피드백 방법 및 프리코딩 방법
US7746952B2 (en) * 2007-01-08 2010-06-29 Samsung Electronics, Co., Ltd. Apparatus for generating precoding codebook for MIMO system and method using the apparatus
US8780771B2 (en) * 2007-02-06 2014-07-15 Qualcomm Incorporated Cyclic delay diversity and precoding for wireless communication
US8325852B2 (en) * 2007-06-08 2012-12-04 Samsung Electronics Co., Ltd. CDD precoding for open loop SU MIMO
JP5340196B2 (ja) * 2009-03-18 2013-11-13 日本電信電話株式会社 送信ウェイト決定方法
US8369439B2 (en) * 2009-09-30 2013-02-05 Alcatel Lucent Transmission of precoding codebook over an air interface
PL2515495T3 (pl) * 2011-04-21 2013-12-31 Ntt Docomo Inc Sposób i urządzenie do ustalania wektora prekodowania do prekodowania danych przesyłanych do urządzenia bezprzewodowego w systemie komunikacji bezprzewodowej

Also Published As

Publication number Publication date
KR20130097783A (ko) 2013-09-03
JP5277361B2 (ja) 2013-08-28
MX2013004645A (es) 2013-06-05
US8693574B2 (en) 2014-04-08
EP2518906B1 (en) 2013-10-30
JP2013531931A (ja) 2013-08-08
WO2012146739A1 (en) 2012-11-01
RU2013117279A (ru) 2014-10-27
CA2816387A1 (en) 2012-11-01
US20130279628A1 (en) 2013-10-24
ES2444119T3 (es) 2014-02-24
EP2518906A1 (en) 2012-10-31
PL2518906T3 (pl) 2014-04-30
CN103201961A (zh) 2013-07-10

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2385 DE 20-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

B350 Update of information on the portal [chapter 15.35 patent gazette]