CN1336048A - 一种扩频多地址码的正交变换方法 - Google Patents

一种扩频多地址码的正交变换方法 Download PDF

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Publication number
CN1336048A
CN1336048A CN00801744A CN00801744A CN1336048A CN 1336048 A CN1336048 A CN 1336048A CN 00801744 A CN00801744 A CN 00801744A CN 00801744 A CN00801744 A CN 00801744A CN 1336048 A CN1336048 A CN 1336048A
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CN
China
Prior art keywords
orthogonal
spread spectrum
code group
address code
transformation method
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Granted
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CN00801744A
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English (en)
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CN1164055C (zh
Inventor
李道本
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
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Linkair Communications Inc
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Publication date
Application filed by Linkair Communications Inc filed Critical Linkair Communications Inc
Publication of CN1336048A publication Critical patent/CN1336048A/zh
Application granted granted Critical
Publication of CN1164055C publication Critical patent/CN1164055C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

本发明公开了一种在任何含码分多址(CDMA)、扩频技术以及数字通信系统中应用的正交码组生成与正交码组变换的方法。其使用正交旋转的方法使任何长度的非零实数及复数序列生成为正交码组。并可使任何实数及复数正交码组经正交旋转变换生成多组与原码组保持基本一致特性的正交码组。变换前后的码之间相互正交,以满足码分多址、扩频技术以及数字通信系统中的各种需求。

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。
CNB008017441A 2000-04-18 2000-04-18 一种扩频多地址码的正交变换方法 Expired - Fee Related CN1164055C (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2000/000092 WO2001080438A1 (fr) 2000-04-18 2000-04-18 Procede de transformation orthogonale par etalement de spectre de codes multiadresses

Publications (2)

Publication Number Publication Date
CN1336048A true CN1336048A (zh) 2002-02-13
CN1164055C CN1164055C (zh) 2004-08-25

Family

ID=4574650

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB008017441A Expired - Fee Related CN1164055C (zh) 2000-04-18 2000-04-18 一种扩频多地址码的正交变换方法

Country Status (8)

Country Link
EP (1) EP1278309A4 (zh)
JP (1) JP2004520727A (zh)
KR (1) KR20020091195A (zh)
CN (1) CN1164055C (zh)
AU (1) AU2000240978B2 (zh)
CA (1) CA2403621A1 (zh)
HK (1) HK1041129B (zh)
WO (1) WO2001080438A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003081822A1 (en) * 2002-03-22 2003-10-02 Linkair Communications,Inc. A coding method to create mismatched spread spectrum sequence with zero correlation window
WO2003103249A1 (fr) * 2002-05-30 2003-12-11 Linkair Communications,Inc. Procede et systeme de transmission rapide de donnees selon la technique amrc

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3643366B2 (ja) 2003-07-10 2005-04-27 松下電器産業株式会社 Ｃｄｍａ送信装置及びｃｄｍａ受信装置
EP2288048A1 (en) * 2009-08-21 2011-02-23 Panasonic Corporation Rotated multi-dimensional constellations for improved diversity in fading channels
KR101399115B1 (ko) * 2013-08-20 2014-05-30 한국과학기술원 대역확산신호 수신기의 동작방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471497A (en) * 1993-11-01 1995-11-28 Zehavi; Ephraim Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding
US5825835A (en) * 1996-02-23 1998-10-20 L-3 Communications Corporation Multi-user acquisition procedure for multipoint-to-point synchronous CDMA systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003081822A1 (en) * 2002-03-22 2003-10-02 Linkair Communications,Inc. A coding method to create mismatched spread spectrum sequence with zero correlation window
WO2003103249A1 (fr) * 2002-05-30 2003-12-11 Linkair Communications,Inc. Procede et systeme de transmission rapide de donnees selon la technique amrc

Also Published As

Publication number Publication date
HK1041129B (zh) 2005-03-04
HK1041129A1 (en) 2002-06-28
EP1278309A1 (en) 2003-01-22
JP2004520727A (ja) 2004-07-08
CA2403621A1 (en) 2002-09-19
AU2000240978B9 (en) 2001-10-30
AU2000240978B2 (en) 2004-01-15
EP1278309A4 (en) 2004-12-29
CN1164055C (zh) 2004-08-25
AU4097800A (en) 2001-10-30
KR20020091195A (ko) 2002-12-05
WO2001080438A1 (fr) 2001-10-25

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False: WO1998/001970 JP 1998.01.15

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