AT405033T - Orthogonal codes syncronization system and method for spreading spectrum cdma communication - Google Patents

Orthogonal codes syncronization system and method for spreading spectrum cdma communication

Info

Publication number
AT405033T
AT405033T AT03028472T AT03028472T AT405033T AT 405033 T AT405033 T AT 405033T AT 03028472 T AT03028472 T AT 03028472T AT 03028472 T AT03028472 T AT 03028472T AT 405033 T AT405033 T AT 405033T
Authority
AT
Austria
Prior art keywords
syncronization
system
method
orthogonal codes
cdma communication
Prior art date
Application number
AT03028472T
Other languages
German (de)
Inventor
Gil Lavean
Original Assignee
Interdigital Tech 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
Priority to US08/807,228 priority Critical patent/US5943331A/en
Application filed by Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of AT405033T publication Critical patent/AT405033T/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/004Orthogonal
    • H04J13/0048Walsh
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7085Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0682Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097Direct sequence modulation interference
    • H04B2201/709709Methods of preventing interference
AT03028472T 1997-02-28 1998-02-26 Orthogonal codes syncronization system and method for spreading spectrum cdma communication AT405033T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US08/807,228 US5943331A (en) 1997-02-28 1997-02-28 Orthogonal code synchronization system and method for spread spectrum CDMA communications

Publications (1)

Publication Number Publication Date
AT405033T true AT405033T (en) 2008-08-15

Family

ID=25195867

Family Applications (2)

Application Number Title Priority Date Filing Date
AT03028472T AT405033T (en) 1997-02-28 1998-02-26 Orthogonal codes syncronization system and method for spreading spectrum cdma communication
AT98915123T AT265762T (en) 1997-02-28 1998-02-26 Orthogonal kodesynchronisationssystem and procedures for spread spectrum CDMA news transmission

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT98915123T AT265762T (en) 1997-02-28 1998-02-26 Orthogonal kodesynchronisationssystem and procedures for spread spectrum CDMA news transmission

Country Status (10)

Country Link
US (2) US5943331A (en)
EP (3) EP1434361B1 (en)
JP (1) JP3697268B2 (en)
CN (5) CN1702990A (en)
AT (2) AT405033T (en)
DE (3) DE69839895D1 (en)
DK (3) DK0978168T3 (en)
ES (2) ES2312716T3 (en)
HK (5) HK1025694A1 (en)
WO (1) WO1998038758A2 (en)

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Also Published As

Publication number Publication date
DE69823496D1 (en) 2004-06-03
EP1434361A2 (en) 2004-06-30
AT265762T (en) 2004-05-15
DE978168T1 (en) 2000-11-09
JP2001504311A (en) 2001-03-27
EP1622284A2 (en) 2006-02-01
CN1878042B (en) 2013-06-19
CN1878043A (en) 2006-12-13
ES2144987T3 (en) 2004-11-01
EP1434361B1 (en) 2008-08-13
DE69823496T2 (en) 2005-04-07
HK1025694A1 (en) 2004-11-12
WO1998038758A3 (en) 1998-11-26
EP1434361A3 (en) 2005-04-06
CN1881857A (en) 2006-12-20
JP3697268B2 (en) 2005-09-21
EP0978168B1 (en) 2004-04-28
EP1622284A3 (en) 2008-01-23
US6141332A (en) 2000-10-31
US5943331A (en) 1999-08-24
DK0978168T3 (en) 2004-08-16
CN1211941C (en) 2005-07-20
CN1249086A (en) 2000-03-29
EP1622284B1 (en) 2012-07-18
DE69839895D1 (en) 2008-09-25
HK1099144A1 (en) 2014-12-19
WO1998038758A2 (en) 1998-09-03
ES2144987T1 (en) 2000-07-01
CN1881857B (en) 2014-04-02
ES2312716T3 (en) 2009-03-01
HK1086121A1 (en) 2013-05-03
HK1067002A1 (en) 2009-04-24
DK1434361T3 (en) 2008-11-03
DK1622284T3 (en) 2012-10-15
CN1878042A (en) 2006-12-13
HK1098603A1 (en) 2014-03-21
CN1702990A (en) 2005-11-30
EP0978168A2 (en) 2000-02-09

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