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DE60023173D1 - Fehlerdetektion und -korrekturkodierung für hierarchische qam-übertragungssysteme - Google Patents

Fehlerdetektion und -korrekturkodierung für hierarchische qam-übertragungssysteme

Info

Publication number
DE60023173D1
DE60023173D1 DE60023173T DE60023173T DE60023173D1 DE 60023173 D1 DE60023173 D1 DE 60023173D1 DE 60023173 T DE60023173 T DE 60023173T DE 60023173 T DE60023173 T DE 60023173T DE 60023173 D1 DE60023173 D1 DE 60023173D1
Authority
DE
Germany
Prior art keywords
error detection
transmission systems
correction coding
qam transmission
hierarchical 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
DE60023173T
Other languages
English (en)
Other versions
DE60023173T2 (de
Inventor
Forrest Timothy Settle
Peter Thomas Krauss
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Licensing SAS filed Critical Thomson Licensing SAS
Publication of DE60023173D1 publication Critical patent/DE60023173D1/de
Application granted granted Critical
Publication of DE60023173T2 publication Critical patent/DE60023173T2/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
    • 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
    • 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
    • H04L1/0064—Concatenated codes
    • H04L1/0065—Serial concatenated 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
    • 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
    • H04L1/007—Unequal error protection
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
DE60023173T 1999-11-23 2000-11-22 Fehlerdetektion und -korrekturkodierung für hierarchische qam-übertragungssysteme Expired - Lifetime DE60023173T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16702199P 1999-11-23 1999-11-23
US167021P 1999-11-23
PCT/US2000/032010 WO2001039455A1 (en) 1999-11-23 2000-11-22 Error detection/correction coding for hierarchical qam transmission systems

Publications (2)

Publication Number Publication Date
DE60023173D1 true DE60023173D1 (de) 2005-11-17
DE60023173T2 DE60023173T2 (de) 2006-04-27

Family

ID=22605621

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60023173T Expired - Lifetime DE60023173T2 (de) 1999-11-23 2000-11-22 Fehlerdetektion und -korrekturkodierung für hierarchische qam-übertragungssysteme

Country Status (9)

Country Link
EP (1) EP1232622B1 (de)
JP (1) JP4649087B2 (de)
KR (1) KR100684213B1 (de)
CN (1) CN1274123C (de)
AU (1) AU782684B2 (de)
BR (1) BR0015739A (de)
DE (1) DE60023173T2 (de)
MX (1) MXPA02005197A (de)
WO (1) WO2001039455A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7483505B2 (en) 2001-04-27 2009-01-27 The Directv Group, Inc. Unblind equalizer architecture for digital communication systems
US7209524B2 (en) 2001-04-27 2007-04-24 The Directv Group, Inc. Layered modulation for digital signals
US7471735B2 (en) 2001-04-27 2008-12-30 The Directv Group, Inc. Maximizing power and spectral efficiencies for layered and conventional modulations
US7184489B2 (en) 2001-04-27 2007-02-27 The Directv Group, Inc. Optimization technique for layered modulation
US7423987B2 (en) 2001-04-27 2008-09-09 The Directv Group, Inc. Feeder link configurations to support layered modulation for digital signals
US7502430B2 (en) 2001-04-27 2009-03-10 The Directv Group, Inc. Coherent averaging for measuring traveling wave tube amplifier nonlinearity
US7583728B2 (en) 2002-10-25 2009-09-01 The Directv Group, Inc. Equalizers for layered modulated and other signals
US7173981B1 (en) 2001-04-27 2007-02-06 The Directv Group, Inc. Dual layer signal processing in a layered modulation digital signal system
US7639759B2 (en) 2001-04-27 2009-12-29 The Directv Group, Inc. Carrier to noise ratio estimations from a received signal
US7245671B1 (en) 2001-04-27 2007-07-17 The Directv Group, Inc. Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers
US7418060B2 (en) 2002-07-01 2008-08-26 The Directv Group, Inc. Improving hierarchical 8PSK performance
CA2491259C (en) * 2002-07-03 2013-09-17 The Directv Group, Inc. Method and apparatus for layered modulation
US7463676B2 (en) 2002-10-25 2008-12-09 The Directv Group, Inc. On-line phase noise measurement for layered modulation
AU2003301717A1 (en) 2002-10-25 2004-05-25 The Directv Group, Inc. Lower complexity layered modulation signal processor
US7474710B2 (en) 2002-10-25 2009-01-06 The Directv Group, Inc. Amplitude and phase matching for layered modulation reception
KR101005036B1 (ko) * 2003-05-16 2010-12-30 톰슨 라이센싱 레이어된 그리고 계층적인 변조 시스템을 위한 통합 수신기
DE602004018489D1 (de) * 2003-05-16 2009-01-29 Thomson Licensing Demodulierung und wiederholungsdecodierung von mehrschichtigen signalen
US7502429B2 (en) 2003-10-10 2009-03-10 The Directv Group, Inc. Equalization for traveling wave tube amplifier nonlinearity measurements
CN1886958B (zh) * 2003-11-26 2010-08-18 松下电器产业株式会社 接收装置及发送装置
JP4460412B2 (ja) 2003-11-26 2010-05-12 パナソニック株式会社 受信装置及び部分ビット判定方法
KR100874016B1 (ko) * 2007-06-29 2008-12-17 한국전자통신연구원 계층 변조 장치 및 그 방법과, 계층 복조 장치 및 그 방법
JP5163298B2 (ja) * 2008-06-04 2013-03-13 富士通株式会社 情報処理装置、データ伝送装置及びデータ伝送方法
US8284652B2 (en) * 2008-10-28 2012-10-09 Qualcomm Incorporated Enhanced forward link transmission
WO2015099556A1 (ru) * 2013-12-23 2015-07-02 Общество С Ограниченной Ответственностью "Космонет" Метод передачи и приема сигналов кам (квадратурной амплитудной модуляции)
US11271703B2 (en) * 2014-05-02 2022-03-08 Qualcomm Incorporated Techniques for improving control channel capacity

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2697395B1 (fr) * 1992-10-22 1994-12-30 France Telecom Procédé de codage-décodage hiérarchique d'un signal numérique, et système correspondant utilisés en télévision numérique.
JP3691211B2 (ja) * 1997-05-30 2005-09-07 日本放送協会 デジタル信号送信装置、およびデジタル信号受信装置
US5966412A (en) * 1997-06-30 1999-10-12 Thomson Consumer Electronics, Inc. Apparatus and method for processing a Quadrature Amplitude Modulated (QAM) signal
JP2987352B2 (ja) * 1997-09-25 1999-12-06 株式会社次世代デジタルテレビジョン放送システム研究所 階層伝送による多重方式とその送信装置、中継装置

Also Published As

Publication number Publication date
EP1232622A1 (de) 2002-08-21
JP4649087B2 (ja) 2011-03-09
CN1421086A (zh) 2003-05-28
AU1925201A (en) 2001-06-04
AU782684B2 (en) 2005-08-18
BR0015739A (pt) 2002-07-16
DE60023173T2 (de) 2006-04-27
CN1274123C (zh) 2006-09-06
JP2003525537A (ja) 2003-08-26
EP1232622B1 (de) 2005-10-12
KR20020068353A (ko) 2002-08-27
MXPA02005197A (es) 2002-11-07
WO2001039455A1 (en) 2001-05-31
KR100684213B1 (ko) 2007-02-20

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