HK1011474A1 - Variable rate signal transmission in a spread spectrum communication system using coset coding. - Google Patents

Variable rate signal transmission in a spread spectrum communication system using coset coding.

Info

Publication number
HK1011474A1
HK1011474A1 HK98110095A HK98110095A HK1011474A1 HK 1011474 A1 HK1011474 A1 HK 1011474A1 HK 98110095 A HK98110095 A HK 98110095A HK 98110095 A HK98110095 A HK 98110095A HK 1011474 A1 HK1011474 A1 HK 1011474A1
Authority
HK
Hong Kong
Prior art keywords
coset
signal
spread spectrum
encoding
modulated
Prior art date
Application number
HK98110095A
Other languages
English (en)
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 HK1011474A1 publication Critical patent/HK1011474A1/xx

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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Radar Systems Or Details Thereof (AREA)
HK98110095A 1993-11-01 1998-08-21 Variable rate signal transmission in a spread spectrum communication system using coset coding. HK1011474A1 (en)

Applications Claiming Priority (2)

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
PCT/US1994/012540 WO1995012938A1 (en) 1993-11-01 1994-11-01 Variable rate signal transmission in a spread spectrum communication system using coset coding

Publications (1)

Publication Number Publication Date
HK1011474A1 true HK1011474A1 (en) 1999-07-09

Family

ID=22518307

Family Applications (2)

Application Number Title Priority Date Filing Date
HK98110095A HK1011474A1 (en) 1993-11-01 1998-08-21 Variable rate signal transmission in a spread spectrum communication system using coset coding.
HK01108120A HK1037286A1 (en) 1993-11-01 2001-11-16 A transmitter in a spread spectrum communications system and method thereof.

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK01108120A HK1037286A1 (en) 1993-11-01 2001-11-16 A transmitter in a spread spectrum communications system and method thereof.

Country Status (17)

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

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Also Published As

Publication number Publication date
HK1037286A1 (en) 2002-02-01
EP0727116A1 (en) 1996-08-21
EP0727116B1 (en) 2005-01-12
RU2142201C1 (ru) 1999-11-27
CA2174344A1 (en) 1995-05-11
ZA948560B (en) 1995-06-30
DE69434231D1 (de) 2005-02-17
ATE287158T1 (de) 2005-01-15
US5471497A (en) 1995-11-28
DE69434231T2 (de) 2005-12-08
TW313726B (ru) 1997-08-21
CN1295391A (zh) 2001-05-16
CN1133659A (zh) 1996-10-16
IL111449A0 (en) 1994-12-29
KR100221669B1 (ko) 1999-09-15
AU678653B2 (en) 1997-06-05
FI116433B (fi) 2005-11-15
CN1064800C (zh) 2001-04-18
FI961823A (fi) 1996-06-28
AU1086295A (en) 1995-05-23
BR9407920A (pt) 1996-11-26
FI961823A0 (fi) 1996-04-29
IL111449A (en) 1999-09-22
JP2925742B2 (ja) 1999-07-28
WO1995012938A1 (en) 1995-05-11
CA2174344C (en) 2007-07-31
KR960706241A (ko) 1996-11-08
JPH09504923A (ja) 1997-05-13
CN1148906C (zh) 2004-05-05

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20111101