CN1378727A - 一种正交扩频多址码组的构造方法 - Google Patents

一种正交扩频多址码组的构造方法 Download PDF

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Publication number
CN1378727A
CN1378727A CN00814131.2A CN00814131A CN1378727A CN 1378727 A CN1378727 A CN 1378727A CN 00814131 A CN00814131 A CN 00814131A CN 1378727 A CN1378727 A CN 1378727A
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China
Prior art keywords
code
orthogonal
extension
spectrum
spreading
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CN00814131.2A
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CN1142636C (zh
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李道本
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Linkair Communications Inc
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Linkair Communications Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/12—Generation of orthogonal codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal

Abstract

本发明公开了一种在码分多址(CDMA)通信系统中形成具有零相关窗口的多地址码的方法。其利用正交旋转变换,首先将某一N位长的具有理想周期性自相关函数的扩频码转换成正交扩频码组,然后根据零相关窗口宽度的要求,将各码长扩展为(N+2*零相关窗口宽度)位,用扩展后的码作扩频运算,用未扩展的码作解扩运算,从而使对应的码分多址通信系统完全没有码间干扰,而多址干扰可以被降到很小。

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。
CNB008141312A 2000-06-26 2000-06-26 一种正交扩频多址码组的构造方法 Expired - Fee Related CN1142636C (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2000/000179 WO2002001759A1 (fr) 2000-06-26 2000-06-26 Procede de mise en place de groupes de codes d'etalement de spectre orthogonaux

Publications (2)

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CN1378727A true CN1378727A (zh) 2002-11-06
CN1142636C CN1142636C (zh) 2004-03-17

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CNB008141312A Expired - Fee Related CN1142636C (zh) 2000-06-26 2000-06-26 一种正交扩频多址码组的构造方法

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US (1) US20020122463A1 (zh)
EP (1) EP1306984A4 (zh)
CN (1) CN1142636C (zh)
AU (1) AU2000253874A1 (zh)
HK (1) HK1050773A1 (zh)
WO (1) WO2002001759A1 (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100433600C (zh) * 2003-09-30 2008-11-12 焦秉立 码分多址扩频方法、解扩方法及接收机
CN102148792A (zh) * 2011-01-25 2011-08-10 北京清深技术开发中心有限公司 数字无线通信系统中的连续导频处理方法及装置
CN101662331B (zh) * 2009-09-10 2013-11-06 北京清深技术开发中心有限公司 多址编码、传输、译码的方法、装置及系统
CN106772255A (zh) * 2016-12-19 2017-05-31 中国电子科技集团公司第二十研究所 一种扩展零相关区域的波形设计方法
CN106877968A (zh) * 2017-01-20 2017-06-20 深圳大学 一种时/频域零相关区二维双极性码的构造方法及系统

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US20030161286A1 (en) * 2000-04-18 2003-08-28 Daoben Li Spread spectrum multiple access codes and code groups generated by rotation transformation
KR100384894B1 (ko) * 2001-06-11 2003-05-23 한국전자통신연구원 제로상관구간을 갖는 터너리 확산코드 발생 장치 및 그 방법
US6888814B2 (en) * 2002-02-20 2005-05-03 Interdigital Technology Corporation Code allocation based on cross code correlation
GB2394867B (en) * 2002-11-01 2005-06-01 Ipwireless Inc Arrangement and method for sequence production in a spread spectrum communication system
AU2003211295A1 (en) * 2003-01-31 2004-08-23 Linkair Communications, Inc. A method for coding and applying void time spread spectrum multiple access codes
AU2003303842A1 (en) * 2003-01-31 2004-08-23 Linkair Communications, Inc. A method for coding and applying spread spectrum multiple access codes with intergroup zero correlation windows
KR100999239B1 (ko) * 2007-08-14 2010-12-07 한국전자통신연구원 엘에스 코드를 이용한 시분할 다중화 방식의 ｍｉｍｏ 채널측정 방법 및 장치
JP5032538B2 (ja) * 2009-08-28 2012-09-26 株式会社東芝 伝送路応答推定器
CN103001723A (zh) * 2012-11-20 2013-03-27 中国人民解放军重庆通信学院 一种相互正交的零相关区多相序列集合构造方法
CN105745888B (zh) 2013-10-29 2019-11-26 三星电子株式会社 使用用于向相干和非相干接收器同时传输的三进制序列的方法和系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5550809A (en) * 1992-04-10 1996-08-27 Ericsson Ge Mobile Communications, Inc. Multiple access coding using bent sequences for mobile radio communications
JP2655108B2 (ja) * 1994-12-12 1997-09-17 日本電気株式会社 Ｃｄｍａ送受信装置
US5737326A (en) * 1996-07-12 1998-04-07 Lucent Technologies Inc. Multi-code code division multiple access receiver
KR100267706B1 (ko) * 1998-07-24 2000-10-16 윤덕용 부호 분할 다중 접속 시스템의 서명 수열 배정 방법
JP2000307477A (ja) * 1999-04-21 2000-11-02 Matsushita Electric Ind Co Ltd 符号発生装置、その装置を用いた通信装置、通信システム及び符号発生方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100433600C (zh) * 2003-09-30 2008-11-12 焦秉立 码分多址扩频方法、解扩方法及接收机
CN101662331B (zh) * 2009-09-10 2013-11-06 北京清深技术开发中心有限公司 多址编码、传输、译码的方法、装置及系统
CN102148792A (zh) * 2011-01-25 2011-08-10 北京清深技术开发中心有限公司 数字无线通信系统中的连续导频处理方法及装置
CN102148792B (zh) * 2011-01-25 2013-11-06 北京清深技术开发中心有限公司 数字无线通信系统中的连续导频处理方法及装置
CN106772255A (zh) * 2016-12-19 2017-05-31 中国电子科技集团公司第二十研究所 一种扩展零相关区域的波形设计方法
CN106877968A (zh) * 2017-01-20 2017-06-20 深圳大学 一种时/频域零相关区二维双极性码的构造方法及系统
CN106877968B (zh) * 2017-01-20 2019-06-14 深圳大学 一种时/频域零相关区二维双极性码的构造方法及系统

Also Published As

Publication number Publication date
EP1306984A1 (en) 2003-05-02
HK1050773A1 (en) 2003-07-04
CN1142636C (zh) 2004-03-17
US20020122463A1 (en) 2002-09-05
EP1306984A4 (en) 2005-01-19
WO2002001759A1 (fr) 2002-01-03
AU2000253874A1 (en) 2002-01-08

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