ZA9408560B - Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding - Google Patents

Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding

Info

Publication number
ZA9408560B
ZA9408560B ZA9408560A ZA9408560A ZA9408560B ZA 9408560 B ZA9408560 B ZA 9408560B ZA 9408560 A ZA9408560 A ZA 9408560A ZA 9408560 A ZA9408560 A ZA 9408560A ZA 9408560 B ZA9408560 B ZA 9408560B
Authority
ZA
South Africa
Prior art keywords
apparatus
communication system
signal transmission
spread spectrum
method
Prior art date
Application number
ZA9408560A
Inventor
Ephraim Zehavi
Original Assignee
Qualcomm 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
Priority to US08/146,642 priority Critical patent/US5471497A/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of ZA9408560B publication Critical patent/ZA9408560B/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • 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
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/08Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H04L27/3416Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
    • H04L27/3427Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes in which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/0022PN, e.g. Kronecker
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/004Orthogonal
ZA9408560A 1993-11-01 1994-10-31 Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding ZA9408560B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US08/146,642 US5471497A (en) 1993-11-01 1993-11-01 Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding

Publications (1)

Publication Number Publication Date
ZA9408560B true ZA9408560B (en) 1995-06-30

Family

ID=22518307

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9408560A ZA9408560B (en) 1993-11-01 1994-10-31 Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding

Country Status (17)

Country Link
US (1) US5471497A (en)
EP (1) EP0727116B1 (en)
JP (1) JP2925742B2 (en)
KR (1) KR100221669B1 (en)
CN (2) CN1064800C (en)
AT (1) AT287158T (en)
AU (1) AU678653B2 (en)
BR (1) BR9407920A (en)
CA (1) CA2174344C (en)
DE (2) DE69434231D1 (en)
FI (1) FI116433B (en)
HK (2) HK1011474A1 (en)
IL (1) IL111449A (en)
RU (1) RU2142201C1 (en)
TW (1) TW313726B (en)
WO (1) WO1995012938A1 (en)
ZA (1) ZA9408560B (en)

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Also Published As

Publication number Publication date
FI116433B (en) 2005-11-15
CA2174344A1 (en) 1995-05-11
CA2174344C (en) 2007-07-31
BR9407920A (en) 1996-11-26
JPH09504923A (en) 1997-05-13
HK1037286A1 (en) 2005-03-04
HK1011474A1 (en) 2005-08-19
DE69434231T2 (en) 2005-12-08
AU678653B2 (en) 1997-06-05
FI961823D0 (en)
EP0727116A1 (en) 1996-08-21
JP2925742B2 (en) 1999-07-28
AT287158T (en) 2005-01-15
KR960706241A (en) 1996-11-08
FI961823A (en) 1996-06-28
TW313726B (en) 1997-08-21
DE69434231D1 (en) 2005-02-17
CN1064800C (en) 2001-04-18
WO1995012938A1 (en) 1995-05-11
IL111449D0 (en) 1994-12-29
AU1086295A (en) 1995-05-23
KR100221669B1 (en) 1999-09-15
US5471497A (en) 1995-11-28
FI116433B1 (en)
CN1133659A (en) 1996-10-16
IL111449A (en) 1999-09-22
FI961823A0 (en) 1996-04-29
CN1148906C (en) 2004-05-05
CN1295391A (en) 2001-05-16
RU2142201C1 (en) 1999-11-27
EP0727116B1 (en) 2005-01-12

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