DE69840234D1 - Einrichtung und verfahren zur verarbeitung von qam-signalen - Google Patents

Einrichtung und verfahren zur verarbeitung von qam-signalen

Info

Publication number
DE69840234D1
DE69840234D1 DE69840234T DE69840234T DE69840234D1 DE 69840234 D1 DE69840234 D1 DE 69840234D1 DE 69840234 T DE69840234 T DE 69840234T DE 69840234 T DE69840234 T DE 69840234T DE 69840234 D1 DE69840234 D1 DE 69840234D1
Authority
DE
Germany
Prior art keywords
qam signals
processing
processing qam
signals
qam
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69840234T
Other languages
English (en)
Inventor
Kumar Ramaswamy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics 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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Application granted granted Critical
Publication of DE69840234D1 publication Critical patent/DE69840234D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04L1/0057—Block codes
    • 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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • 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
    • H04L27/3488—Multiresolution systems
    • 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
    • H04L27/38—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Artificial Intelligence (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
DE69840234T 1997-06-30 1998-06-17 Einrichtung und verfahren zur verarbeitung von qam-signalen Expired - Lifetime DE69840234D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/884,947 US5966412A (en) 1997-06-30 1997-06-30 Apparatus and method for processing a Quadrature Amplitude Modulated (QAM) signal
PCT/US1998/012641 WO1999000957A1 (en) 1997-06-30 1998-06-17 Apparatus and method for processing a quadrature amplitude modulated (qam) signal

Publications (1)

Publication Number Publication Date
DE69840234D1 true DE69840234D1 (de) 2009-01-02

Family

ID=25385792

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69840234T Expired - Lifetime DE69840234D1 (de) 1997-06-30 1998-06-17 Einrichtung und verfahren zur verarbeitung von qam-signalen

Country Status (11)

Country Link
US (1) US5966412A (de)
EP (1) EP0988738B1 (de)
JP (1) JP4097712B2 (de)
KR (1) KR100761819B1 (de)
CN (1) CN1118170C (de)
AU (1) AU7975098A (de)
BR (1) BR9810476A (de)
DE (1) DE69840234D1 (de)
HK (1) HK1029466A1 (de)
MY (1) MY127840A (de)
WO (1) WO1999000957A1 (de)

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Publication number Publication date
KR20010014191A (ko) 2001-02-26
CN1118170C (zh) 2003-08-13
KR100761819B1 (ko) 2007-09-28
CN1261491A (zh) 2000-07-26
WO1999000957A1 (en) 1999-01-07
BR9810476A (pt) 2000-09-19
EP0988738B1 (de) 2008-11-19
EP0988738A1 (de) 2000-03-29
AU7975098A (en) 1999-01-19
JP4097712B2 (ja) 2008-06-11
MY127840A (en) 2006-12-29
HK1029466A1 (en) 2001-03-30
US5966412A (en) 1999-10-12
JP2002507358A (ja) 2002-03-05

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