AU2001249159A1 - Method and apparatus for long code generation in synchronous, multi-chip rate systems - Google Patents

Method and apparatus for long code generation in synchronous, multi-chip rate systems

Info

Publication number
AU2001249159A1
AU2001249159A1 AU2001249159A AU4915901A AU2001249159A1 AU 2001249159 A1 AU2001249159 A1 AU 2001249159A1 AU 2001249159 A AU2001249159 A AU 2001249159A AU 4915901 A AU4915901 A AU 4915901A AU 2001249159 A1 AU2001249159 A1 AU 2001249159A1
Authority
AU
Australia
Prior art keywords
synchronous
code generation
long code
chip rate
rate systems
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.)
Abandoned
Application number
AU2001249159A
Inventor
Jiangnan Chen
Kevin Michael Laird
Frank Fei Zhou
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of AU2001249159A1 publication Critical patent/AU2001249159A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • 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
    • H04J13/0022—PN, e.g. Kronecker
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AU2001249159A 2000-03-16 2001-03-12 Method and apparatus for long code generation in synchronous, multi-chip rate systems Abandoned AU2001249159A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/526,643 US6724778B1 (en) 2000-03-16 2000-03-16 Method and apparatus for long code generation in synchronous, multi-chip rate systems
US09526643 2000-03-16
PCT/US2001/007856 WO2001071956A1 (en) 2000-03-16 2001-03-12 Method and apparatus for long code generation in synchronous, multi-chip rate systems

Publications (1)

Publication Number Publication Date
AU2001249159A1 true AU2001249159A1 (en) 2001-10-03

Family

ID=24098156

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001249159A Abandoned AU2001249159A1 (en) 2000-03-16 2001-03-12 Method and apparatus for long code generation in synchronous, multi-chip rate systems

Country Status (8)

Country Link
US (2) US6724778B1 (en)
EP (1) EP1183807A4 (en)
JP (1) JP2003528537A (en)
KR (1) KR20020031101A (en)
CN (1) CN1364359A (en)
AU (1) AU2001249159A1 (en)
CA (1) CA2373469A1 (en)
WO (1) WO2001071956A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1414378B1 (en) * 2001-05-17 2008-10-08 Wilson-Cook Medical Inc. Intragastric device for treating obesity
KR100424538B1 (en) * 2001-05-29 2004-03-27 엘지전자 주식회사 Method for producing scrambling code and apparatus thereof in mobile system
US7099299B2 (en) * 2002-03-04 2006-08-29 Agency For Science, Technology And Research CDMA system with frequency domain equalization
US7130626B2 (en) * 2003-11-24 2006-10-31 Qualcomm, Inc. Access terminal identification management
US8102900B2 (en) * 2006-04-07 2012-01-24 Broadcom Corporation Method and apparatus for efficient gold code generation and management in WCDMA systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04347943A (en) * 1990-11-13 1992-12-03 Ricoh Co Ltd Spectrum spread communication system, synchronizing system, and modulating/demodulating system
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US5727064A (en) * 1995-07-03 1998-03-10 Lucent Technologies Inc. Cryptographic system for wireless communications
US5790891A (en) * 1996-01-11 1998-08-04 Galileo Technology Ltd. Synchronizing unit having two registers serially connected to one clocked elements and a latch unit for alternately activating the registers in accordance to clock signals
US5878075A (en) * 1996-07-26 1999-03-02 Motorola, Inc. Method of and apparatus for generating a pseudorandom noise sequence
US6055264A (en) * 1997-08-01 2000-04-25 Nokia Mobile Phones Limited Method and apparatus for fast acquisition and multipath search in a spread spectrum system
US6389138B1 (en) * 1998-11-12 2002-05-14 Lucent Technologies Inc. Method and apparatus for generating a complex scrambling code sequence
KR100315709B1 (en) * 1998-12-29 2002-02-28 윤종용 Channel Spreader and Method in Mobile Communication System
TW472468B (en) * 1999-05-10 2002-01-11 Sony Electronics Inc A scalable method for generating long codes using gold sequences
US6643280B1 (en) * 1999-10-27 2003-11-04 Lucent Technologies Inc. Method and apparatus for generation of CDMA long codes
CA2361083C (en) * 2000-11-06 2006-05-16 Ntt Docomo, Inc. Mobile communication system in multi-carrier cdma scheme using short code and long code

Also Published As

Publication number Publication date
WO2001071956A1 (en) 2001-09-27
CA2373469A1 (en) 2001-09-27
JP2003528537A (en) 2003-09-24
KR20020031101A (en) 2002-04-26
US6724778B1 (en) 2004-04-20
US20040170142A1 (en) 2004-09-02
CN1364359A (en) 2002-08-14
EP1183807A1 (en) 2002-03-06
EP1183807A4 (en) 2004-09-29

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