SG43984A1 - Multi-use spread spectrum communication system - Google Patents

Multi-use spread spectrum communication system

Info

Publication number
SG43984A1
SG43984A1 SG1996008539A SG1996008539A SG43984A1 SG 43984 A1 SG43984 A1 SG 43984A1 SG 1996008539 A SG1996008539 A SG 1996008539A SG 1996008539 A SG1996008539 A SG 1996008539A SG 43984 A1 SG43984 A1 SG 43984A1
Authority
SG
Singapore
Prior art keywords
communication system
spread spectrum
spectrum communication
use spread
spread
Prior art date
Application number
SG1996008539A
Other languages
English (en)
Inventor
Antoine Chouly
Americo Brajal
Sabine Jourdan
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of SG43984A1 publication Critical patent/SG43984A1/en

Links

Classifications

    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0003—Code application, i.e. aspects relating to how codes are applied to form multiplexed channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H04L5/026—Multiplexing of multicarrier modulation signals using code division

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Near-Field Transmission Systems (AREA)
SG1996008539A 1993-02-03 1994-01-28 Multi-use spread spectrum communication system SG43984A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9301182A FR2701178A1 (fr) 1993-02-03 1993-02-03 Système de communication par étalement de spectre à multiutilisateurs.

Publications (1)

Publication Number Publication Date
SG43984A1 true SG43984A1 (en) 1997-11-14

Family

ID=9443687

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996008539A SG43984A1 (en) 1993-02-03 1994-01-28 Multi-use spread spectrum communication system

Country Status (7)

Country Link
US (1) US5504775A (ko)
EP (1) EP0610988B1 (ko)
JP (1) JPH06318926A (ko)
KR (1) KR100432073B1 (ko)
DE (1) DE69428385T2 (ko)
FR (1) FR2701178A1 (ko)
SG (1) SG43984A1 (ko)

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Also Published As

Publication number Publication date
FR2701178A1 (fr) 1994-08-05
DE69428385T2 (de) 2002-06-13
DE69428385D1 (de) 2001-10-31
EP0610988A1 (fr) 1994-08-17
US5504775A (en) 1996-04-02
EP0610988B1 (fr) 2001-09-26
KR100432073B1 (ko) 2004-08-09
JPH06318926A (ja) 1994-11-15

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