BR112012028251A2 - métodos e aparelhos para gerar e realimentar livro de código adaptativo de grau elevado em sistema de múltipla entrada múltipla saída - Google Patents

métodos e aparelhos para gerar e realimentar livro de código adaptativo de grau elevado em sistema de múltipla entrada múltipla saída

Info

Publication number
BR112012028251A2
BR112012028251A2 BR112012028251A BR112012028251A BR112012028251A2 BR 112012028251 A2 BR112012028251 A2 BR 112012028251A2 BR 112012028251 A BR112012028251 A BR 112012028251A BR 112012028251 A BR112012028251 A BR 112012028251A BR 112012028251 A2 BR112012028251 A2 BR 112012028251A2
Authority
BR
Brazil
Prior art keywords
generating
high grade
adaptive codebook
methods
multiple input
Prior art date
Application number
BR112012028251A
Other languages
English (en)
Inventor
Di Lv
Hao Liu
Hongwei Yang
Yang Song
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 BR112012028251A2 publication Critical patent/BR112012028251A2/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
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0482—Adaptive codebooks
    • 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
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • 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
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

métodos e aparelhos para gerar e realimentar livro de código adaptativo de grau elevado em sistema de múltipla entrada múltipla saída. um método e dispositivo para gerar e realimentar um livro de código adaptativo de grau elevado em sistemas de múltipla entrada múltipla saída são descritos nas modalidades da invenção. o método para a geração de livro de código adaptativo de grau elevado inclui: utilizar diferentes níveis de uma matriz de correlação de canal de longo prazo para transformar diferentes vetores linha no livro de código de grau elevado de base, de modo a apontar em direções de diferentes autovetores na matriz de correlação de canal de longo prazo; e utilizar o vetor linha transformação para construir o livro de código adaptativo de grau elevado. o método da invenção tem também o ganho de desempenho do sistema e sem qualquer custo adicional de realimentação.
BR112012028251A 2010-05-06 2010-05-06 métodos e aparelhos para gerar e realimentar livro de código adaptativo de grau elevado em sistema de múltipla entrada múltipla saída BR112012028251A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/072501 WO2011137591A1 (zh) 2010-05-06 2010-05-06 多入多出系统的高秩自适应码本的生成和反馈方法及设备

Publications (1)

Publication Number Publication Date
BR112012028251A2 true BR112012028251A2 (pt) 2016-08-02

Family

ID=44903578

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012028251A BR112012028251A2 (pt) 2010-05-06 2010-05-06 métodos e aparelhos para gerar e realimentar livro de código adaptativo de grau elevado em sistema de múltipla entrada múltipla saída

Country Status (7)

Country Link
US (1) US9094075B2 (pt)
EP (1) EP2568620A4 (pt)
JP (1) JP5576558B2 (pt)
KR (1) KR101409732B1 (pt)
CN (1) CN102792604B (pt)
BR (1) BR112012028251A2 (pt)
WO (1) WO2011137591A1 (pt)

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CN103905100B (zh) * 2012-12-26 2019-02-19 中兴通讯股份有限公司 基于4天线码本的数据预编码处理方法及装置
AU2014212975A1 (en) * 2013-01-31 2015-08-20 Nec Corporation Terminal apparatus, base station apparatus and codebook sharing method in communication system
US9450787B2 (en) * 2014-01-24 2016-09-20 Huawei Technologies Co., Ltd. System and method for early termination in iterative null-space directed singular value decomposition for MIMO
TWI604705B (zh) 2015-08-14 2017-11-01 財團法人工業技術研究院 動態波束形成方法和使用所述方法的相關設備
WO2019144377A1 (en) 2018-01-26 2019-08-01 Qualcomm Incorporated Techniques and apparatuses for precoding configuration
KR102517669B1 (ko) 2018-06-27 2023-04-05 삼성전자주식회사 무선 통신 방법 및 장치

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US8385433B2 (en) 2005-10-27 2013-02-26 Qualcomm Incorporated Linear precoding for spatially correlated channels
CN101330479B (zh) 2007-06-20 2011-04-20 中兴通讯股份有限公司 一种预编码多输入多输出传输及码本编码的方法
KR101481166B1 (ko) * 2007-06-25 2015-01-28 엘지전자 주식회사 다중안테나 시스템에서의 귀환데이터 전송 방법
US20110080964A1 (en) * 2007-12-12 2011-04-07 Nokia Corporation Adaptive codebook for beamforming in limited feedback mimo systems
KR100913940B1 (ko) 2008-04-25 2009-08-26 삼성전자주식회사 적응적으로 코드북을 변경하거나 업데이트하는 다중 안테나 통신 시스템
US8204151B2 (en) * 2008-08-06 2012-06-19 Samsung Electronics Co., Ltd. Methods and apparatus to generate multiple antennas transmit precoding codebook
US8649456B2 (en) 2009-03-12 2014-02-11 Futurewei Technologies, Inc. System and method for channel information feedback in a wireless communications system
US8675627B2 (en) * 2009-03-23 2014-03-18 Futurewei Technologies, Inc. Adaptive precoding codebooks for wireless communications
CN101540663B (zh) 2009-04-30 2011-08-24 北京邮电大学 一种用于高阶mimo系统的预编码码本的构造方法
CN101931507B (zh) * 2009-06-18 2012-09-05 华为技术有限公司 码本生成方法、数据传输方法及装置
CN101631004B (zh) * 2009-08-10 2014-05-28 中兴通讯股份有限公司 一种预编码方法、系统及预编码码本的构造方法
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Also Published As

Publication number Publication date
JP2013530591A (ja) 2013-07-25
EP2568620A1 (en) 2013-03-13
EP2568620A4 (en) 2015-10-28
KR20130016352A (ko) 2013-02-14
KR101409732B1 (ko) 2014-06-19
JP5576558B2 (ja) 2014-08-20
US9094075B2 (en) 2015-07-28
US20130051487A1 (en) 2013-02-28
WO2011137591A1 (zh) 2011-11-10
CN102792604B (zh) 2016-06-15
CN102792604A (zh) 2012-11-21

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Legal Events

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A ANUIDADE.

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 2513 DE 06-03-2019 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.