BR112012003596A2 - aparelho e método de pré-codificação - Google Patents

aparelho e método de pré-codificação

Info

Publication number
BR112012003596A2
BR112012003596A2 BR112012003596A BR112012003596A BR112012003596A2 BR 112012003596 A2 BR112012003596 A2 BR 112012003596A2 BR 112012003596 A BR112012003596 A BR 112012003596A BR 112012003596 A BR112012003596 A BR 112012003596A BR 112012003596 A2 BR112012003596 A2 BR 112012003596A2
Authority
BR
Brazil
Prior art keywords
coding method
coding
Prior art date
Application number
BR112012003596A
Other languages
English (en)
Inventor
Dong Li
Liyu Cai
Original Assignee
Alcatel Lucent
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 Alcatel Lucent filed Critical Alcatel Lucent
Publication of BR112012003596A2 publication Critical patent/BR112012003596A2/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
    • H04B7/022—Site diversity; Macro-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
    • H04B7/04—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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
BR112012003596A 2009-08-18 2009-08-18 aparelho e método de pré-codificação BR112012003596A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2009/073315 WO2011020238A1 (zh) 2009-08-18 2009-08-18 预编码方法和装置

Publications (1)

Publication Number Publication Date
BR112012003596A2 true BR112012003596A2 (pt) 2016-03-15

Family

ID=43606540

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012003596A BR112012003596A2 (pt) 2009-08-18 2009-08-18 aparelho e método de pré-codificação

Country Status (7)

Country Link
US (1) US8964869B2 (pt)
EP (1) EP2469724B1 (pt)
JP (1) JP5450819B2 (pt)
KR (1) KR101334053B1 (pt)
CN (1) CN102474314B (pt)
BR (1) BR112012003596A2 (pt)
WO (1) WO2011020238A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101382760B1 (ko) * 2007-03-21 2014-04-08 엘지전자 주식회사 다중 안테나를 이용한 통신시스템에서 코드북을 이용한데이터 전송방법
KR20110111855A (ko) * 2010-04-05 2011-10-12 주식회사 팬택 채널상태정보 피드백 장치와 그 방법, 기지국
EP2665304A4 (en) * 2011-01-14 2016-08-03 Fujitsu Ltd MOBILE COMMUNICATION SYSTEM, BASE STATION DEVICE, AND COMMUNICATION CONTROL METHOD
EP2717508B1 (en) * 2012-10-05 2014-11-05 Fujitsu Limited MIMO wireless communication system
CN105763301B (zh) * 2014-12-19 2019-09-17 电信科学技术研究院 基于多用户编码叠加的编码矩阵确定方法和设备
TWI648997B (zh) * 2017-03-15 2019-01-21 國立清華大學 聯合功率分配、預編碼與解碼方法及其基地台
CN108632896B (zh) * 2017-03-15 2020-09-29 华为技术有限公司 一种数据传输方法及相关设备
CN109088664B (zh) * 2018-09-06 2021-02-02 西安电子科技大学 基于块对角化和三角分解的自干扰抑制方法
CN111371478B (zh) * 2018-12-26 2021-10-15 华为技术有限公司 预编码方法和装置及信息传输方法和装置
CN115378545A (zh) * 2021-05-21 2022-11-22 华为技术有限公司 一种传输系统以及传输方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7817745B2 (en) * 2005-06-02 2010-10-19 Adaptive Spectrum And Signal Alignment, Inc. Tonal precoding
TWI274482B (en) * 2005-10-18 2007-02-21 Ind Tech Res Inst MIMO-OFDM system and pre-coding and feedback method therein
CN100525275C (zh) * 2005-10-27 2009-08-05 财团法人工业技术研究院 Mimo-ofdm系统及其中之预编码与反馈的方法
US20070133691A1 (en) * 2005-11-29 2007-06-14 Docomo Communications Laboratories Usa, Inc. Method and apparatus for layered rateless coding
KR20080022033A (ko) * 2006-09-05 2008-03-10 엘지전자 주식회사 프리코딩 정보 피드백 방법 및 프리코딩 방법
US7486208B2 (en) * 2007-05-16 2009-02-03 International Business Machines Corporation High-rate RLL encoding
CN101370241B (zh) 2007-08-19 2015-01-14 上海贝尔股份有限公司 用于消除多个移动站所接收信号之间干扰的方法及装置
CN101394254B (zh) 2007-09-20 2011-04-20 鼎桥通信技术有限公司 多用户多输入多输出系统中的线性预编码方法
US8229017B1 (en) * 2007-12-13 2012-07-24 Marvell International Ltd. Transmit beamforming utilizing channel estimation matrix decomposition feedback in a wireless MIMO communication system
KR100932272B1 (ko) 2007-12-13 2009-12-16 한국전자통신연구원 멀티 유저 미모를 위한 송신 간섭 제거 방법
US8537658B2 (en) * 2010-08-16 2013-09-17 Motorola Mobility Llc Method of codebook design and precoder feedback in wireless communication systems

Also Published As

Publication number Publication date
KR20120048017A (ko) 2012-05-14
EP2469724A4 (en) 2013-01-16
US8964869B2 (en) 2015-02-24
CN102474314B (zh) 2013-12-25
EP2469724B1 (en) 2014-05-14
JP2013502758A (ja) 2013-01-24
KR101334053B1 (ko) 2013-11-29
EP2469724A1 (en) 2012-06-27
CN102474314A (zh) 2012-05-23
JP5450819B2 (ja) 2014-03-26
WO2011020238A1 (zh) 2011-02-24
US20120170675A1 (en) 2012-07-05

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Legal Events

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

Free format text: REFERENTE A 7A ANUIDADE. PAGAR RESTAURACAO.

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.