CN102725992A - 转换装置和方法 - Google Patents

转换装置和方法 Download PDF

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Publication number
CN102725992A
CN102725992A CN2010800624039A CN201080062403A CN102725992A CN 102725992 A CN102725992 A CN 102725992A CN 2010800624039 A CN2010800624039 A CN 2010800624039A CN 201080062403 A CN201080062403 A CN 201080062403A CN 102725992 A CN102725992 A CN 102725992A
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China
Prior art keywords
long
broadband
spatial correlation
correlation matrix
matrix
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Granted
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CN2010800624039A
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CN102725992B (zh
Inventor
宋扬
陈晋辉
杨红卫
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Nokia Shanghai Bell Co Ltd
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Alcatel Lucent Shanghai Bell Co Ltd
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    • 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

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  • 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

本发明提供一种转换装置，用于对反馈的长时宽带信道特征进行转换。该转换装置包括：第一转换单元，用于将从接收机反馈的长时宽带波束成形矩阵u1构建为长时宽带发送空间相关矩阵R的估计R估计，其中其中H表示矩阵的共轭转置；和/或第二转换单元，利用从接收机反馈的长时宽带发送空间相关矩阵直接获得长时宽带波束成形矩阵或预编码矩阵。根据本发明的技术方案，还提供相应的转换方法和设备。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201080062403.9A 2010-04-07 2010-04-07 转换装置和方法 Active CN102725992B (zh)

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 (2)

Publication Number Publication Date
CN102725992A true CN102725992A (zh) 2012-10-10
CN102725992B CN102725992B (zh) 2016-03-23

Family

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CN201080062403.9A Active CN102725992B (zh) 2010-04-07 2010-04-07 转换装置和方法

Country Status (7)

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

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

Citations (3)

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US20060270360A1 (en) * 2005-05-30 2006-11-30 Samsung Electronics Co., Ltd. Apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas
CN101047399A (zh) * 2006-03-27 2007-10-03 普天信息技术研究院 一种下行波束赋形的方法及装置
CN101512929A (zh) * 2006-08-17 2009-08-19 交互数字技术公司 用于在mimo无线通信系统中提供有效预编码反馈的方法和设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US20060270360A1 (en) * 2005-05-30 2006-11-30 Samsung Electronics Co., Ltd. Apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas
CN101047399A (zh) * 2006-03-27 2007-10-03 普天信息技术研究院 一种下行波束赋形的方法及装置
CN101512929A (zh) * 2006-08-17 2009-08-19 交互数字技术公司 用于在mimo无线通信系统中提供有效预编码反馈的方法和设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
魏宁等: "LTE-A中协同多点传输的联合处理预编码方法", 《中兴通讯技术》 *

Also Published As

Publication number Publication date
JP5507001B2 (ja) 2014-05-28
CN102725992B (zh) 2016-03-23
US20130022141A1 (en) 2013-01-24
KR20120131224A (ko) 2012-12-04
JP2013527654A (ja) 2013-06-27
BR112012025247A2 (pt) 2016-06-21
WO2011124023A1 (zh) 2011-10-13
KR101426722B1 (ko) 2014-08-13
EP2557720B1 (en) 2020-02-26
US8989292B2 (en) 2015-03-24
EP2557720A4 (en) 2016-04-20
EP2557720A1 (en) 2013-02-13

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Address after: 201206 Pudong Jinqiao Ning Road, Shanghai, No. 388

Patentee after: Shanghai NOKIA Baer Limited by Share Ltd

Address before: 201206 Pudong Jinqiao Ning Road, Shanghai, No. 388

Patentee before: Shanghai Alcatel-Lucent Co., Ltd.

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