DE69823496D1 - Orthogonal kodesynchronisationssystem und verfahren für spreizspektrum cdma-nachrichtenübertragung - Google Patents

Orthogonal kodesynchronisationssystem und verfahren für spreizspektrum cdma-nachrichtenübertragung

Info

Publication number
DE69823496D1
DE69823496D1 DE69823496T DE69823496T DE69823496D1 DE 69823496 D1 DE69823496 D1 DE 69823496D1 DE 69823496 T DE69823496 T DE 69823496T DE 69823496 T DE69823496 T DE 69823496T DE 69823496 D1 DE69823496 D1 DE 69823496D1
Authority
DE
Germany
Prior art keywords
message transmission
orthogonal code
synchronization system
code synchronization
base station
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
DE69823496T
Other languages
English (en)
Other versions
DE69823496T2 (de
Inventor
Gil Lavean
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.)
InterDigital Technology Corp
Original Assignee
InterDigital Technology Corp
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 InterDigital Technology Corp filed Critical InterDigital Technology Corp
Publication of DE69823496D1 publication Critical patent/DE69823496D1/de
Application granted granted Critical
Publication of DE69823496T2 publication Critical patent/DE69823496T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • 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
DE69823496T 1997-02-28 1998-02-26 Orthogonal kodesynchronisationssystem und verfahren für spreizspektrum cdma-nachrichtenübertragung Expired - Lifetime DE69823496T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US807228 1991-12-16
US08/807,228 US5943331A (en) 1997-02-28 1997-02-28 Orthogonal code synchronization system and method for spread spectrum CDMA communications
PCT/US1998/003861 WO1998038758A2 (en) 1997-02-28 1998-02-26 Orthogonal code synchronization system and method for spread spectrum cdma communications

Publications (2)

Publication Number Publication Date
DE69823496D1 true DE69823496D1 (de) 2004-06-03
DE69823496T2 DE69823496T2 (de) 2005-04-07

Family

ID=25195867

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69823496T Expired - Lifetime DE69823496T2 (de) 1997-02-28 1998-02-26 Orthogonal kodesynchronisationssystem und verfahren für spreizspektrum cdma-nachrichtenübertragung
DE0978168T Pending DE978168T1 (de) 1997-02-28 1998-02-26 Orthogonal kodesynchronisationssystem und verfahren für spreizspektrum cdma-nachrichtenübertragung
DE69839895T Expired - Lifetime DE69839895D1 (de) 1997-02-28 1998-02-26 Orthogonales Kodesynkronisationssystem und -verfahren für Spreizspektrum CDMA Kommunikation

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE0978168T Pending DE978168T1 (de) 1997-02-28 1998-02-26 Orthogonal kodesynchronisationssystem und verfahren für spreizspektrum cdma-nachrichtenübertragung
DE69839895T Expired - Lifetime DE69839895D1 (de) 1997-02-28 1998-02-26 Orthogonales Kodesynkronisationssystem und -verfahren für Spreizspektrum CDMA Kommunikation

Country Status (10)

Country Link
US (2) US5943331A (de)
EP (3) EP0978168B1 (de)
JP (1) JP3697268B2 (de)
CN (5) CN1702990A (de)
AT (2) ATE265762T1 (de)
DE (3) DE69823496T2 (de)
DK (3) DK1434361T3 (de)
ES (2) ES2312716T3 (de)
HK (5) HK1025694A1 (de)
WO (1) WO1998038758A2 (de)

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Also Published As

Publication number Publication date
ES2144987T3 (es) 2004-11-01
HK1025694A1 (en) 2000-11-17
HK1099144A1 (en) 2007-08-03
WO1998038758A3 (en) 1998-11-26
EP0978168B1 (de) 2004-04-28
CN1702990A (zh) 2005-11-30
ES2144987T1 (es) 2000-07-01
CN1878042A (zh) 2006-12-13
ES2312716T3 (es) 2009-03-01
CN1211941C (zh) 2005-07-20
EP1434361B1 (de) 2008-08-13
DE69839895D1 (de) 2008-09-25
JP2001504311A (ja) 2001-03-27
ATE265762T1 (de) 2004-05-15
HK1086121A1 (en) 2006-09-08
DK1434361T3 (da) 2008-11-03
DK0978168T3 (da) 2004-08-16
DE978168T1 (de) 2000-11-09
US6141332A (en) 2000-10-31
DE69823496T2 (de) 2005-04-07
EP1622284A3 (de) 2008-01-23
CN1881857A (zh) 2006-12-20
EP1434361A2 (de) 2004-06-30
CN1249086A (zh) 2000-03-29
EP1622284B1 (de) 2012-07-18
DK1622284T3 (da) 2012-10-15
HK1098603A1 (en) 2007-07-20
WO1998038758A2 (en) 1998-09-03
EP0978168A2 (de) 2000-02-09
JP3697268B2 (ja) 2005-09-21
EP1434361A3 (de) 2005-04-06
ATE405033T1 (de) 2008-08-15
EP1622284A2 (de) 2006-02-01
HK1067002A1 (en) 2005-03-18
CN1881857B (zh) 2014-04-02
CN1878042B (zh) 2013-06-19
CN1878043A (zh) 2006-12-13
US5943331A (en) 1999-08-24

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