CN1555613A - 一种基于mimo cdma的接收方法 - Google Patents

一种基于mimo cdma的接收方法 Download PDF

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Publication number
CN1555613A
CN1555613A CNA028181239A CN02818123A CN1555613A CN 1555613 A CN1555613 A CN 1555613A CN A028181239 A CNA028181239 A CN A028181239A CN 02818123 A CN02818123 A CN 02818123A CN 1555613 A CN1555613 A CN 1555613A
Authority
CN
China
Prior art keywords
signal
reception
antennas
receiving terminal
transmitting
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CNA028181239A
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English (en)
Inventor
王丹丹
王刚
李永会
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linkair Communications Inc
Original Assignee
Linkair Communications Inc
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 Linkair Communications Inc filed Critical Linkair Communications Inc
Publication of CN1555613A publication Critical patent/CN1555613A/zh
Pending legal-status Critical Current

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H04B1/71057—Joint detection techniques, e.g. linear detectors using maximum-likelihood sequence estimation [MLSE]
    • 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
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03331—Arrangements for the joint estimation of multiple sequences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H04L5/026—Multiplexing of multicarrier modulation signals using code division

Landscapes

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

Abstract

本发明提供了一种基于MIMO CDMA的接收方法，其特征在于，发射端至少采用两个发射天线发送彼此相互独立的信号；接收端至少采用两个接收天线对发射天线发送的信号进行接收，并且按照MIMO CDMA在瑞利衰落信道下的特性、最大似然准则使发射天线发送的信号在接收端得到恢复。本发明用于MIMO CDMA系统，利用多径信道下，扩频信号的特性进行分离接收，是一种运算复杂度不大的算法，对于MIMO CDMA单载波和多载波系统都适用。本发明为MIMO和CDMA这两种技术的结合提供了一种运算复杂度不是很高的算法，为这两种技术的应用提供了条件。

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。
CNA028181239A 2002-05-30 2002-05-30 一种基于mimo cdma的接收方法 Pending CN1555613A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2002/000368 WO2003103185A1 (fr) 2002-05-30 2002-05-30 Procede de reception fonde sur les techniques mimo et amrc

Publications (1)

Publication Number Publication Date
CN1555613A true CN1555613A (zh) 2004-12-15

Family

ID=29589402

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA028181239A Pending CN1555613A (zh) 2002-05-30 2002-05-30 一种基于mimo cdma的接收方法

Country Status (3)

Country Link
CN (1) CN1555613A (zh)
AU (1) AU2002313159A1 (zh)
WO (1) WO2003103185A1 (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101056152B (zh) * 2006-04-30 2010-08-04 华为技术有限公司 通用移动通信系统中的传输方法及其系统
CN101272226B (zh) * 2007-03-23 2011-08-10 中兴通讯股份有限公司 时分同步码分多址系统室内覆盖的多输入多输出系统和方法
CN101090287B (zh) * 2006-05-30 2011-09-07 美国博通公司 无线通信系统中的信号处理方法及系统
CN101272167B (zh) * 2007-03-23 2013-01-23 中兴通讯股份有限公司 时分同步码分多址系统室外宏蜂窝的多输入多输出系统和方法
CN1812307B (zh) * 2005-01-17 2015-11-25 美国博通公司 在通信系统中传送信息的方法和系统

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101951278B (zh) * 2010-09-30 2013-03-27 哈尔滨工业大学 基于并行干扰取消及迭代检测的二维块扩频系统中的残留多用户干扰抑制方法
CN101951277B (zh) * 2010-09-30 2013-06-05 哈尔滨工业大学 基于最大似然检测的二维块扩频系统中的残留多用户干扰抑制方法
CN101938338B (zh) * 2010-09-30 2012-12-05 哈尔滨工业大学 基于二维块扩频系统的多用户mimo空间复用系统
CN101944933B (zh) * 2010-09-30 2013-04-24 哈尔滨工业大学 基于二维最小均方误差检测算法的二维块扩频系统中的残留多用户干扰抑制方法
CN101951309B (zh) * 2010-10-18 2012-11-07 哈尔滨工业大学 基于二维块扩频技术的多用户协作虚拟4天线空时循环延迟传输分集系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546429A (en) * 1992-11-09 1996-08-13 Motorola, Inc. Frequency hopping code division multiple access radio communication unit
DE19953879C2 (de) * 1999-11-09 2002-08-14 Siemens Ag Verfahren zur Signalübertragung in einem Funk-Kommunikationssystem und Basisstation eines Funk-Kommunikationssystems
EP1128575B1 (en) * 2000-02-22 2006-04-26 Telefonaktiebolaget LM Ericsson (publ) Channel estimation in a diversity receiver by using concurrently transmitted training sequences
JP2001267986A (ja) * 2000-03-23 2001-09-28 Toshiba Corp ディジタル無線受信機

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1812307B (zh) * 2005-01-17 2015-11-25 美国博通公司 在通信系统中传送信息的方法和系统
CN101056152B (zh) * 2006-04-30 2010-08-04 华为技术有限公司 通用移动通信系统中的传输方法及其系统
CN101090287B (zh) * 2006-05-30 2011-09-07 美国博通公司 无线通信系统中的信号处理方法及系统
CN101272226B (zh) * 2007-03-23 2011-08-10 中兴通讯股份有限公司 时分同步码分多址系统室内覆盖的多输入多输出系统和方法
CN101272167B (zh) * 2007-03-23 2013-01-23 中兴通讯股份有限公司 时分同步码分多址系统室外宏蜂窝的多输入多输出系统和方法

Also Published As

Publication number Publication date
AU2002313159A1 (en) 2003-12-19
WO2003103185A1 (fr) 2003-12-11

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