BR112012025247A2 - aparelho e método de transformação - Google Patents

aparelho e método de transformação

Info

Publication number
BR112012025247A2
BR112012025247A2 BR112012025247A BR112012025247A BR112012025247A2 BR 112012025247 A2 BR112012025247 A2 BR 112012025247A2 BR 112012025247 A BR112012025247 A BR 112012025247A BR 112012025247 A BR112012025247 A BR 112012025247A BR 112012025247 A2 BR112012025247 A2 BR 112012025247A2
Authority
BR
Brazil
Prior art keywords
matrix
sym
transforming
term broadband
long
Prior art date
Application number
BR112012025247A
Other languages
English (en)
Inventor
Hongwei Yang
Jinhui Chen
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 BR112012025247A2 publication Critical patent/BR112012025247A2/pt

Links

Classifications

    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • 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
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel
    • H04L2025/03808—Transmission of equaliser coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Complex Calculations (AREA)

Abstract

aparelho e método de transformação. a presente invenção refere-se a um aparelho de transformação para transformar uma realimentação de propriedade de canal de banda larga de longo prazo. o aparelho de transformação compreende: uma primeiraunidade de transformação para construir uma estimativa r <sym> de uma matriz de correlação espacial de transmissão de banda larga de longo prazo com uma matriz formadora de feixe de banda larga de longo prazo u<sym> à medida que é realimentada a partir de um receptor, em que r <sym>=<sym>, em que h indica a transposição conjugada de uma matriz; e/ou uma segunda unidade de transformação para obter diretamente uma matriz formadora de feixe de banda larga de longo prazo ou uma matriz de pré-codificação pelo uso de uma matriz de correlação espacial de transmissão de banda larga de longo prazo, à medida que é realimentada a partir de um receptor. de acordo com a solução técnica da presente invenção, um método de transformação correspondente e um aparelho também são fornecidos.
BR112012025247A 2010-04-07 2010-04-07 aparelho e método de transformação BR112012025247A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/071593 WO2011124023A1 (zh) 2010-04-07 2010-04-07 转换装置和方法

Publications (1)

Publication Number Publication Date
BR112012025247A2 true BR112012025247A2 (pt) 2016-06-21

Family

ID=44762016

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012025247A BR112012025247A2 (pt) 2010-04-07 2010-04-07 aparelho e método de transformação

Country Status (7)

Country Link
US (1) US8989292B2 (pt)
EP (1) EP2557720B1 (pt)
JP (1) JP5507001B2 (pt)
KR (1) KR101426722B1 (pt)
CN (1) CN102725992B (pt)
BR (1) BR112012025247A2 (pt)
WO (1) WO2011124023A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103973409A (zh) * 2013-01-31 2014-08-06 富士通株式会社 预编码装置和包含该预编码装置的发射机
JP6165645B2 (ja) * 2014-01-29 2017-07-19 日本電信電話株式会社 無線通信方法、無線通信システムおよび制御局装置
CN106452539B (zh) * 2015-08-05 2020-02-04 上海诺基亚贝尔股份有限公司 混合波束赋形方法和装置
CN107370525B (zh) 2016-05-12 2021-03-30 华为技术有限公司 用于信道状态信息反馈的方法、基站、终端设备及系统
EP3446416B1 (en) * 2016-05-13 2020-11-04 Huawei Technologies Co., Ltd. Precoding and channel state information acquisition for multi-stream transmissions in massive mimo systems
US11336349B2 (en) * 2020-05-13 2022-05-17 Semiconductor Components Industries, Llc Steering matrix derivation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101124932B1 (ko) * 2005-05-30 2012-03-28 삼성전자주식회사 어레이 안테나를 이용하는 이동 통신 시스템에서의 데이터송/수신 장치 및 방법
CN100547945C (zh) * 2006-03-27 2009-10-07 普天信息技术研究院 一种下行波束赋形的方法及装置
WO2008021396A2 (en) 2006-08-17 2008-02-21 Interdigital Technology Corporation Method and apparatus for providing efficient precoding feedback in a mimo wireless communication system
US8081700B2 (en) 2008-06-06 2011-12-20 Redpine Signals, Inc. Power allocation method for MIMO transmit beamforming
CN101369871A (zh) * 2008-10-16 2009-02-18 上海交通大学 基于有限反馈的多用户mimo系统预编码方法和装置
US8649456B2 (en) * 2009-03-12 2014-02-11 Futurewei Technologies, Inc. System and method for channel information feedback in a wireless communications system

Also Published As

Publication number Publication date
WO2011124023A1 (zh) 2011-10-13
JP5507001B2 (ja) 2014-05-28
US8989292B2 (en) 2015-03-24
EP2557720A4 (en) 2016-04-20
EP2557720B1 (en) 2020-02-26
KR20120131224A (ko) 2012-12-04
EP2557720A1 (en) 2013-02-13
CN102725992A (zh) 2012-10-10
US20130022141A1 (en) 2013-01-24
CN102725992B (zh) 2016-03-23
JP2013527654A (ja) 2013-06-27
KR101426722B1 (ko) 2014-08-13

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04L 1/06 , H04L 25/03

Ipc: H04B 7/06 (2006.01), H04L 25/03 (2006.01)

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time