CN102077485A - 信道预编码方法、装置及系统 - Google Patents

信道预编码方法、装置及系统 Download PDF

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Publication number
CN102077485A
CN102077485A CN2009801236540A CN200980123654A CN102077485A CN 102077485 A CN102077485 A CN 102077485A CN 2009801236540 A CN2009801236540 A CN 2009801236540A CN 200980123654 A CN200980123654 A CN 200980123654A CN 102077485 A CN102077485 A CN 102077485A
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China
Prior art keywords
cell
channel matrix
delay difference
channel
matrix
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CN2009801236540A
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CN102077485B (zh
Inventor
吴涛
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN102077485A publication Critical patent/CN102077485A/zh
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Expired - Fee Related legal-status Critical Current
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    • 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
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

一种信道预编码方法、装置及系统，用于多用户MIMO在CoMP下的通信系统中，所述系统中至少两个小区对至少一个UE提供服务，其中的方法包括：获取各小区信号到达各UE的时延差；利用所述各小区信号到达各UE的时延差对预先获得的信道矩阵进行补偿；对补偿后的信道矩阵进行预编码处理。由于考虑到各小区信号到达UE的时延差对系统的影响，利用时延差对信道矩阵进行补偿，从而可获得较为准确的信道预编码处理结果，可较大提升提高系统吞吐量，提高系统性能。

Description

PCT国内申请，说明书已公开。

Claims (7)

  1. PCT国内申请，权利要求书已公开。
CN200980123654.0A 2009-05-15 2009-05-15 信道预编码方法、装置及系统 Expired - Fee Related CN102077485B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2009/071810 WO2010130101A1 (zh) 2009-05-15 2009-05-15 信道预编码方法、装置及系统

Publications (2)

Publication Number Publication Date
CN102077485A true CN102077485A (zh) 2011-05-25
CN102077485B CN102077485B (zh) 2014-02-19

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ID=43084619

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200980123654.0A Expired - Fee Related CN102077485B (zh) 2009-05-15 2009-05-15 信道预编码方法、装置及系统

Country Status (2)

Country Link
CN (1) CN102077485B (zh)
WO (1) WO2010130101A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110214423A (zh) * 2017-01-06 2019-09-06 索尼公司 电子装置、无线通信设备和无线通信方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2479658A (en) * 2011-04-27 2011-10-19 Renesas Mobile Corp Compensating for propagation delays in coordinated multi-point transmission
US8638867B2 (en) 2011-04-27 2014-01-28 Broadcom Corporation Methods and apparatus for compensating for propagation delays in coordinated multi-point transmission
US8731001B2 (en) 2011-05-31 2014-05-20 Broadcom Corporation Methods and apparatus for determining participants in coordinated multi-point transmission
CN102412933B (zh) * 2011-11-30 2014-10-15 北京邮电大学 协作多点多用户mimo系统的预编码方法及矩阵生成装置
CN103259582B (zh) * 2012-02-17 2018-08-14 南京中兴软件有限责任公司 一种多点协同传输预编码方法、终端及基站
CN103580738B (zh) * 2012-07-19 2017-09-29 华为技术有限公司 预编码矩阵确定方法及相关设备和通信系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070211816A1 (en) * 2006-02-28 2007-09-13 Samsung Electronics Co., Ltd. Apparatus and method for transmitting and receiving signals in a multi-antenna system
CN101123594A (zh) * 2006-08-08 2008-02-13 上海贝尔阿尔卡特股份有限公司 用于多入多出基带处理的系统、装置及方法
CN101325442A (zh) * 2007-06-14 2008-12-17 华为技术有限公司 多天线系统及其数据发送方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070211816A1 (en) * 2006-02-28 2007-09-13 Samsung Electronics Co., Ltd. Apparatus and method for transmitting and receiving signals in a multi-antenna system
CN101123594A (zh) * 2006-08-08 2008-02-13 上海贝尔阿尔卡特股份有限公司 用于多入多出基带处理的系统、装置及方法
CN101325442A (zh) * 2007-06-14 2008-12-17 华为技术有限公司 多天线系统及其数据发送方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110214423A (zh) * 2017-01-06 2019-09-06 索尼公司 电子装置、无线通信设备和无线通信方法

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Publication number Publication date
WO2010130101A1 (zh) 2010-11-18
CN102077485B (zh) 2014-02-19

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Granted publication date: 20140219