AU2003288567A1 - Improvements in or relating to spreading codes for quasisynchronous code division multiple access systems - Google Patents

Improvements in or relating to spreading codes for quasisynchronous code division multiple access systems

Info

Publication number
AU2003288567A1
AU2003288567A1 AU2003288567A AU2003288567A AU2003288567A1 AU 2003288567 A1 AU2003288567 A1 AU 2003288567A1 AU 2003288567 A AU2003288567 A AU 2003288567A AU 2003288567 A AU2003288567 A AU 2003288567A AU 2003288567 A1 AU2003288567 A1 AU 2003288567A1
Authority
AU
Australia
Prior art keywords
quasisynchronous
relating
multiple access
division multiple
code division
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
AU2003288567A
Inventor
Geoffrey Raymond Bradbeer
Richard Anthony Jones
Stephanie Perkins
Derek Howard Smith
Glyn Wyman
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.)
BAE Systems PLC
Original Assignee
BAE Systems PLC
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
Priority claimed from GBGB0230260.2A external-priority patent/GB0230260D0/en
Priority claimed from GB0303141A external-priority patent/GB0303141D0/en
Application filed by BAE Systems PLC filed Critical BAE Systems PLC
Publication of AU2003288567A1 publication Critical patent/AU2003288567A1/en
Abandoned legal-status Critical Current

Links

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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • 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
    • 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
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709709—Methods of preventing interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2003288567A 2002-12-23 2003-12-18 Improvements in or relating to spreading codes for quasisynchronous code division multiple access systems Abandoned AU2003288567A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB0230260.2A GB0230260D0 (en) 2002-12-23 2002-12-23 Improvements in or relating to spreading codes for quasisynchronous code division multiple access systems
GB0230260.2 2002-12-23
GB0303141.6 2003-02-10
GB0303141A GB0303141D0 (en) 2003-02-10 2003-02-10 Improvements in or relating to spreading codes for quasisynchronous code division multiple access systems
PCT/GB2003/005512 WO2004057784A1 (en) 2002-12-23 2003-12-18 Improvements in or relating to spreading codes for quasisynchronous code division multiple access systems

Publications (1)

Publication Number Publication Date
AU2003288567A1 true AU2003288567A1 (en) 2004-07-14

Family

ID=32683996

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003288567A Abandoned AU2003288567A1 (en) 2002-12-23 2003-12-18 Improvements in or relating to spreading codes for quasisynchronous code division multiple access systems

Country Status (3)

Country Link
EP (1) EP1576752A1 (en)
AU (1) AU2003288567A1 (en)
WO (1) WO2004057784A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2422992C2 (en) * 2004-12-17 2011-06-27 Юроупиан Спейс Эйдженси Method to develop set of extending codes of satellite navigation system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6324159B1 (en) * 1998-05-06 2001-11-27 Sirius Communications N.V. Method and apparatus for code division multiple access communication with increased capacity through self-noise reduction
US6091760A (en) * 1998-06-29 2000-07-18 L-3 Communications Corporation Non-recursively generated orthogonal PN codes for variable rate CDMA
US6963600B1 (en) * 1999-01-29 2005-11-08 Pingzhi Fan Adaptive interference-free spread-spectrum system employing binary code sequence sets with zero correlation zone properties

Also Published As

Publication number Publication date
EP1576752A1 (en) 2005-09-21
WO2004057784A1 (en) 2004-07-08

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase