DE60022848T2 - Synchronisierungscodewort zur Interferenzminderung in einem CDMA-System - Google Patents

Synchronisierungscodewort zur Interferenzminderung in einem CDMA-System Download PDF

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Publication number
DE60022848T2
DE60022848T2 DE60022848T DE60022848T DE60022848T2 DE 60022848 T2 DE60022848 T2 DE 60022848T2 DE 60022848 T DE60022848 T DE 60022848T DE 60022848 T DE60022848 T DE 60022848T DE 60022848 T2 DE60022848 T2 DE 60022848T2
Authority
DE
Germany
Prior art keywords
cdma system
interference mitigation
synchronization codeword
codeword
synchronization
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.)
Expired - Lifetime
Application number
DE60022848T
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English (en)
Other versions
DE60022848D1 (de
Inventor
Houtum J Van
Driel J Van
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.)
Pendragon Wireless LLC
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE60022848D1 publication Critical patent/DE60022848D1/de
Application granted granted Critical
Publication of DE60022848T2 publication Critical patent/DE60022848T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • 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
    • 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)
DE60022848T 1999-06-29 2000-06-26 Synchronisierungscodewort zur Interferenzminderung in einem CDMA-System Expired - Lifetime DE60022848T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP99202096 1999-06-29
PCT/EP2000/005906 WO2001001593A1 (en) 1999-06-29 2000-06-26 Synchronisation codeword for interference reduction in a cdma system

Publications (2)

Publication Number Publication Date
DE60022848D1 DE60022848D1 (de) 2005-11-03
DE60022848T2 true DE60022848T2 (de) 2006-06-14

Family

ID=8240376

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60022848T Expired - Lifetime DE60022848T2 (de) 1999-06-29 2000-06-26 Synchronisierungscodewort zur Interferenzminderung in einem CDMA-System

Country Status (4)

Country Link
EP (1) EP1108291B1 (de)
JP (1) JP2003503877A (de)
DE (1) DE60022848T2 (de)
WO (1) WO2001001593A1 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5499236A (en) * 1994-08-16 1996-03-12 Unisys Corporation Synchronous multipoint-to-point CDMA communication system
US5825835A (en) * 1996-02-23 1998-10-20 L-3 Communications Corporation Multi-user acquisition procedure for multipoint-to-point synchronous CDMA systems

Also Published As

Publication number Publication date
DE60022848D1 (de) 2005-11-03
EP1108291A1 (de) 2001-06-20
EP1108291B1 (de) 2005-09-28
JP2003503877A (ja) 2003-01-28
WO2001001593A1 (en) 2001-01-04

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Legal Events

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8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: IPG ELECTRONICS 503 LTD., ST. PETER PORT, GUER, GB

8328 Change in the person/name/address of the agent

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