CN101632247A - 一种码分复用的方法与系统 - Google Patents

一种码分复用的方法与系统 Download PDF

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Publication number
CN101632247A
CN101632247A CN200780050508.0A CN200780050508A CN101632247A CN 101632247 A CN101632247 A CN 101632247A CN 200780050508 A CN200780050508 A CN 200780050508A CN 101632247 A CN101632247 A CN 101632247A
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code
orthogonal
basic
pair
complementary
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CN200780050508.0A
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CN101632247B (zh
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李道本
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Beijing Qingshen Technology Development Center Co ltd
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Beijing Qingshen Technology Development Center Co ltd
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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
    • H04J13/0055—ZCZ [zero correlation zone]

Abstract

本发明提供一种码分复用的方法与系统，所述方法包括以下步骤：构造基本分组完备正交互补码对偶；将在时间上连续排列的所述基本分组完备正交互补码对偶的C码与S码分别调制到M个正交载波或M个正交极化电波上；对经过调制的基本分组完备正交互补码对偶实施连续移位。本发明的码分复用方法与系统，利用正交多载波使每个载波信号的平均时间带宽积逼近于1；在仍然保持地址码组间“零相关窗”特性的同时，利用移位重叠使码字利用率高于1；在丧失地址码组间“零相关窗”但保持地址码组间正交性的情况下，利用移位重叠可以使地址码字的利用率远高于1，从而使系统甚至在仅使用低维调制信号情况下就有很高的频谱效率。

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PCT国内申请，说明书已公开。

Claims (21)

  1. PCT国内申请，权利要求书已公开。
CN200780050508.0A 2007-01-26 2007-01-26 一种码分复用的方法与系统 Expired - Fee Related CN101632247B (zh)

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PCT/CN2007/000308 WO2008092301A1 (fr) 2007-01-26 2007-01-26 Procédé et système de multiplexage par répartition en code

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CN101632247A true CN101632247A (zh) 2010-01-20
CN101632247B CN101632247B (zh) 2013-01-30

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WO (1) WO2008092301A1 (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
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CN107276708A (zh) * 2016-04-08 2017-10-20 深圳超级数据链技术有限公司 定时同步方法、装置和系统
WO2018072481A1 (zh) * 2016-10-19 2018-04-26 深圳超级数据链技术有限公司 重叠复用系统的处理方法、装置及系统
CN108199801A (zh) * 2017-12-27 2018-06-22 西安科锐盛创新科技有限公司 Cdma系统中正交序列集的构造方法
CN108667592A (zh) * 2017-03-30 2018-10-16 深圳超级数据链技术有限公司 重叠复用系统的频谱分配方法、装置、存储介质和处理器
CN109217968A (zh) * 2018-08-17 2019-01-15 盐城工学院 一种基于相移键控技术的采用cdma技术的近距离无线网络

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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
CN102098122B (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导频处理方法及装置
CN107645461B (zh) 2016-07-22 2021-09-24 广东恒域科技股份有限公司 一种适用于OvXDM系统的调制方法、装置及OvXDM系统
WO2018077028A1 (zh) * 2016-10-24 2018-05-03 深圳超级数据链技术有限公司 信号处理方法及装置
CN113220936B (zh) * 2021-06-04 2023-08-15 黑龙江广播电视台 基于随机矩阵编码和简化卷积网络的视频智能推荐方法、装置及存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI244284B (en) * 2002-12-09 2005-11-21 Univ Nat Sun Yat Sen Isotropic code division multiple access communication system
WO2004057786A1 (en) * 2002-12-20 2004-07-08 Linkair Communications,Inc. A coding method to create complementary codes with zero correlation window
WO2004068760A1 (fr) * 2003-01-31 2004-08-12 Linkair Communications, Inc. Procede pour coder et appliquer des codes d'acces multiples a etalement du spectre avec des fenetres de correlation intergroupe nulle
AU2003211295A1 (en) * 2003-01-31 2004-08-23 Linkair Communications, Inc. A method for coding and applying void time spread spectrum multiple access codes
CN1738228A (zh) * 2005-06-29 2006-02-22 浙江大学 组间正交互补码的产生方法及应用系统

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107276708A (zh) * 2016-04-08 2017-10-20 深圳超级数据链技术有限公司 定时同步方法、装置和系统
CN107276708B (zh) * 2016-04-08 2020-01-07 深圳光启合众科技有限公司 定时同步方法、装置和系统
WO2018072481A1 (zh) * 2016-10-19 2018-04-26 深圳超级数据链技术有限公司 重叠复用系统的处理方法、装置及系统
CN108667592A (zh) * 2017-03-30 2018-10-16 深圳超级数据链技术有限公司 重叠复用系统的频谱分配方法、装置、存储介质和处理器
CN108667592B (zh) * 2017-03-30 2022-11-18 深圳光启合众科技有限公司 重叠复用系统的频谱分配方法、装置、存储介质和处理器
CN108199801A (zh) * 2017-12-27 2018-06-22 西安科锐盛创新科技有限公司 Cdma系统中正交序列集的构造方法
CN108199801B (zh) * 2017-12-27 2019-12-24 江苏亨诺科技有限公司 Cdma系统中正交序列集的构造方法
CN109217968A (zh) * 2018-08-17 2019-01-15 盐城工学院 一种基于相移键控技术的采用cdma技术的近距离无线网络
CN109217968B (zh) * 2018-08-17 2020-04-28 盐城工学院 一种基于相移键控技术的采用cdma技术的近距离无线网络

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WO2008092301A1 (fr) 2008-08-07
CN101632247B (zh) 2013-01-30

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