DE1006687T1 - Spreizspektrum adresskodierung - Google Patents

Spreizspektrum adresskodierung

Info

Publication number
DE1006687T1
DE1006687T1 DE1998937396 DE98937396T DE1006687T1 DE 1006687 T1 DE1006687 T1 DE 1006687T1 DE 1998937396 DE1998937396 DE 1998937396 DE 98937396 T DE98937396 T DE 98937396T DE 1006687 T1 DE1006687 T1 DE 1006687T1
Authority
DE
Germany
Prior art keywords
spread spectrum
address coding
spectrum address
coding
spread
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
DE1998937396
Other languages
English (en)
Inventor
Daoben Li
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 DE1006687T1 publication Critical patent/DE1006687T1/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0048—Walsh
    • 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)
DE1998937396 1997-08-12 1998-08-04 Spreizspektrum adresskodierung Pending DE1006687T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN97116324A CN1049312C (zh) 1997-08-12 1997-08-12 一种扩频地址码的编码方法
PCT/CN1998/000151 WO1999009692A1 (fr) 1997-08-12 1998-08-04 Codage d'adresses par etalement de spectre

Publications (1)

Publication Number Publication Date
DE1006687T1 true DE1006687T1 (de) 2001-07-05

Family

ID=5173767

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998937396 Pending DE1006687T1 (de) 1997-08-12 1998-08-04 Spreizspektrum adresskodierung

Country Status (9)

Country Link
EP (1) EP1006687A4 (de)
JP (1) JP3621644B2 (de)
KR (1) KR100464586B1 (de)
CN (1) CN1049312C (de)
AU (1) AU750223B2 (de)
CA (1) CA2301312C (de)
DE (1) DE1006687T1 (de)
EA (1) EA002329B1 (de)
WO (1) WO1999009692A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1304813A4 (de) * 2000-07-04 2004-12-22 Linkair Comm Inc Verfahren zum umsetzen eines spreizspektrum-mehradressencodes in einem codemultiplex-mehrfachzugriffsystem
CN1146163C (zh) * 2000-10-20 2004-04-14 华为技术有限公司 提高td-cdma系统信道估计准确度的方法
US6714526B2 (en) * 2000-12-15 2004-03-30 Qualcomm Incorporated Method and apparatus for code assignment in a spread spectrum wireless communication system
CN1193527C (zh) * 2001-04-09 2005-03-16 连宇通信有限公司 一种用于无线系统的tdd成帧方法
WO2002084914A1 (fr) * 2001-04-18 2002-10-24 Linkair Communications, Inc. Procede de mise en oeuvre d'un codage de sequences ternaires a etalement de spectre dans un systeme amrc
CN1613221A (zh) * 2002-03-11 2005-05-04 连宇通信有限公司 一种构建td－las系统的方法及装置
CN1640038A (zh) * 2003-01-31 2005-07-13 连宇通信有限公司 一种空时扩频多地址码编码及应用方法
CN1640040A (zh) * 2003-01-31 2005-07-13 连宇通信有限公司 一种具有组间零相关窗的扩频多址码编码及应用方法
KR100669154B1 (ko) 2005-12-10 2007-01-16 한국전자통신연구원 확산 전송 방식의 송신 장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2831122B2 (ja) * 1990-11-29 1998-12-02 クラリオン株式会社 スペクトラム拡散通信方式
US5550809A (en) * 1992-04-10 1996-08-27 Ericsson Ge Mobile Communications, Inc. Multiple access coding using bent sequences for mobile radio communications
US5446757A (en) * 1993-06-14 1995-08-29 Chang; Chen-Yi Code-division-multiple-access-system based on M-ary pulse-position modulated direct-sequence
JPH0746152A (ja) * 1993-07-29 1995-02-14 Matsushita Electric Ind Co Ltd スペクトラム拡散通信方式
JP3136868B2 (ja) * 1993-11-02 2001-02-19 松下電器産業株式会社 非同期スペクトラム拡散通信方式
US5596601A (en) * 1994-08-30 1997-01-21 Lucent Technologies Inc. Method and apparatus for spread spectrum code pulse position modulation
WO1997002676A2 (en) * 1995-06-30 1997-01-23 Philips Electronics N.V. Transmitter control system for low data rate fsk modulation
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system

Also Published As

Publication number Publication date
EP1006687A1 (de) 2000-06-07
AU750223B2 (en) 2002-07-11
CA2301312A1 (en) 1999-02-25
KR100464586B1 (ko) 2004-12-31
JP2003517737A (ja) 2003-05-27
EA002329B1 (ru) 2002-04-25
CA2301312C (en) 2004-01-20
EP1006687A4 (de) 2004-04-21
JP3621644B2 (ja) 2005-02-16
AU8621998A (en) 1999-03-08
CN1175828A (zh) 1998-03-11
CN1049312C (zh) 2000-02-09
KR20010022743A (ko) 2001-03-26
EA200000214A1 (ru) 2000-08-28
WO1999009692A1 (fr) 1999-02-25

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