FI961823A0 - Muuttuvanopeuksisen signaalin lähetys hajaspektritietoliikennejärjestelmässä Coset-koodausta käyttäen - Google Patents

Muuttuvanopeuksisen signaalin lähetys hajaspektritietoliikennejärjestelmässä Coset-koodausta käyttäen

Info

Publication number
FI961823A0
FI961823A0 FI961823A FI961823A FI961823A0 FI 961823 A0 FI961823 A0 FI 961823A0 FI 961823 A FI961823 A FI 961823A FI 961823 A FI961823 A FI 961823A FI 961823 A0 FI961823 A0 FI 961823A0
Authority
FI
Finland
Prior art keywords
coset
signal
spread spectrum
encoding
modulated
Prior art date
Application number
FI961823A
Other languages
English (en)
Swedish (sv)
Other versions
FI961823A (fi
FI116433B (fi
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of FI961823A0 publication Critical patent/FI961823A0/fi
Publication of FI961823A publication Critical patent/FI961823A/fi
Application granted granted Critical
Publication of FI116433B publication Critical patent/FI116433B/fi

Links

Classifications

    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H04L27/3416—Modifications 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
    • H04L27/3427—Modifications 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
FI961823A 1993-11-01 1996-04-29 Muuttuvanopeuksinen signaalin siirto yhteiskoodausta käyttävässä hajaspektriviestintäjärjestelmässä FI116433B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US14664293 1993-11-01
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
PCT/US1994/012540 WO1995012938A1 (en) 1993-11-01 1994-11-01 Variable rate signal transmission in a spread spectrum communication system using coset coding
US9412540 1994-11-01

Publications (3)

Publication Number Publication Date
FI961823A0 true FI961823A0 (fi) 1996-04-29
FI961823A FI961823A (fi) 1996-06-28
FI116433B FI116433B (fi) 2005-11-15

Family

ID=22518307

Family Applications (1)

Application Number Title Priority Date Filing Date
FI961823A FI116433B (fi) 1993-11-01 1996-04-29 Muuttuvanopeuksinen signaalin siirto yhteiskoodausta käyttävässä hajaspektriviestintäjärjestelmässä

Country Status (17)

Country Link
US (1) US5471497A (fi)
EP (1) EP0727116B1 (fi)
JP (1) JP2925742B2 (fi)
KR (1) KR100221669B1 (fi)
CN (2) CN1064800C (fi)
AT (1) ATE287158T1 (fi)
AU (1) AU678653B2 (fi)
BR (1) BR9407920A (fi)
CA (1) CA2174344C (fi)
DE (1) DE69434231T2 (fi)
FI (1) FI116433B (fi)
HK (2) HK1011474A1 (fi)
IL (1) IL111449A (fi)
RU (1) RU2142201C1 (fi)
TW (1) TW313726B (fi)
WO (1) WO1995012938A1 (fi)
ZA (1) ZA948560B (fi)

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Also Published As

Publication number Publication date
FI961823A (fi) 1996-06-28
IL111449A (en) 1999-09-22
FI116433B (fi) 2005-11-15
CN1064800C (zh) 2001-04-18
JPH09504923A (ja) 1997-05-13
CN1133659A (zh) 1996-10-16
ATE287158T1 (de) 2005-01-15
TW313726B (fi) 1997-08-21
DE69434231T2 (de) 2005-12-08
US5471497A (en) 1995-11-28
AU1086295A (en) 1995-05-23
IL111449A0 (en) 1994-12-29
HK1037286A1 (en) 2002-02-01
WO1995012938A1 (en) 1995-05-11
HK1011474A1 (en) 1999-07-09
CA2174344A1 (en) 1995-05-11
KR100221669B1 (ko) 1999-09-15
KR960706241A (ko) 1996-11-08
EP0727116B1 (en) 2005-01-12
BR9407920A (pt) 1996-11-26
ZA948560B (en) 1995-06-30
RU2142201C1 (ru) 1999-11-27
EP0727116A1 (en) 1996-08-21
DE69434231D1 (de) 2005-02-17
CN1295391A (zh) 2001-05-16
CA2174344C (en) 2007-07-31
CN1148906C (zh) 2004-05-05
JP2925742B2 (ja) 1999-07-28
AU678653B2 (en) 1997-06-05

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