AU782684B2 - Error detection/correction coding for hierarchical QAM transmission systems - Google Patents

Error detection/correction coding for hierarchical QAM transmission systems Download PDF

Info

Publication number
AU782684B2
AU782684B2 AU19252/01A AU1925201A AU782684B2 AU 782684 B2 AU782684 B2 AU 782684B2 AU 19252/01 A AU19252/01 A AU 19252/01A AU 1925201 A AU1925201 A AU 1925201A AU 782684 B2 AU782684 B2 AU 782684B2
Authority
AU
Australia
Prior art keywords
data stream
error detection
correction
coupled
signal
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
Application number
AU19252/01A
Other languages
English (en)
Other versions
AU1925201A (en
Inventor
Peter Thomas Krauss
Kumar Ramaswamy
Forrest Timothy Settle
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.)
InterDigital Madison Patent Holdings 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 AU1925201A publication Critical patent/AU1925201A/en
Application granted granted Critical
Publication of AU782684B2 publication Critical patent/AU782684B2/en
Assigned to INTERDIGITAL MADISON PATENT HOLDINGS reassignment INTERDIGITAL MADISON PATENT HOLDINGS Request for Assignment Assignors: THOMSON LICENSING S.A.
Anticipated expiration legal-status Critical
Expired 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)
AU19252/01A 1999-11-23 2000-11-22 Error detection/correction coding for hierarchical QAM transmission systems Expired AU782684B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16702199P 1999-11-23 1999-11-23
US60/167021 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
AU1925201A AU1925201A (en) 2001-06-04
AU782684B2 true AU782684B2 (en) 2005-08-18

Family

ID=22605621

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19252/01A Expired AU782684B2 (en) 1999-11-23 2000-11-22 Error detection/correction coding for hierarchical QAM transmission systems

Country Status (9)

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

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7583728B2 (en) 2002-10-25 2009-09-01 The Directv Group, Inc. Equalizers for layered modulated and other signals
US7423987B2 (en) 2001-04-27 2008-09-09 The Directv Group, Inc. Feeder link configurations to support layered modulation for digital signals
US7184489B2 (en) 2001-04-27 2007-02-27 The Directv Group, Inc. Optimization technique for layered modulation
US7173981B1 (en) 2001-04-27 2007-02-06 The Directv Group, Inc. Dual layer signal processing in a layered modulation digital signal system
US7471735B2 (en) 2001-04-27 2008-12-30 The Directv Group, Inc. Maximizing power and spectral efficiencies for layered and conventional modulations
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
US7209524B2 (en) 2001-04-27 2007-04-24 The Directv Group, Inc. 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
US7483505B2 (en) 2001-04-27 2009-01-27 The Directv Group, Inc. Unblind equalizer architecture for digital communication systems
AR040366A1 (es) 2002-07-01 2005-03-30 Hughes Electronics Corp Mejora del rendimiento de la modulacion jerarquica por desplazamiento de ocho fases (8psk)
TWI279113B (en) * 2002-07-03 2007-04-11 Hughes Electronics Corp 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
ES2398213T3 (es) 2002-10-25 2013-03-14 The Directv Group, Inc. Procesador de señal de modulación en capas de baja complejidad
US7474710B2 (en) 2002-10-25 2009-01-06 The Directv Group, Inc. Amplitude and phase matching for layered modulation reception
US7616706B2 (en) * 2003-05-16 2009-11-10 Thomson Licensing Repetition coding in a satellite-based communications system
KR101005036B1 (ko) * 2003-05-16 2010-12-30 톰슨 라이센싱 레이어된 그리고 계층적인 변조 시스템을 위한 통합 수신기
US7502429B2 (en) 2003-10-10 2009-03-10 The Directv Group, Inc. Equalization for traveling wave tube amplifier nonlinearity measurements
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
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
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0594505A1 (fr) * 1992-10-22 1994-04-27 France Telecom Procédé de codage-décodage hiérarchique d'un signal numérique, et système correspondant utilisé en télévision numérique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0594505A1 (fr) * 1992-10-22 1994-04-27 France Telecom Procédé de codage-décodage hiérarchique d'un signal numérique, et système correspondant utilisé en télévision numérique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PARKE L ET AL:"COMBINED.."SEATTLE,JUNE 18-22,1995 PP 668-672 *

Also Published As

Publication number Publication date
DE60023173T2 (de) 2006-04-27
JP4649087B2 (ja) 2011-03-09
CN1274123C (zh) 2006-09-06
EP1232622B1 (en) 2005-10-12
KR20020068353A (ko) 2002-08-27
DE60023173D1 (de) 2005-11-17
MXPA02005197A (es) 2002-11-07
BR0015739A (pt) 2002-07-16
AU1925201A (en) 2001-06-04
WO2001039455A1 (en) 2001-05-31
JP2003525537A (ja) 2003-08-26
KR100684213B1 (ko) 2007-02-20
EP1232622A1 (en) 2002-08-21
CN1421086A (zh) 2003-05-28

Similar Documents

Publication Publication Date Title
US7073116B1 (en) Error detection/correction coding for hierarchical QAM transmission systems
AU782684B2 (en) Error detection/correction coding for hierarchical QAM transmission systems
EP1232623B1 (en) A hierarchical qam transmission system with varying grouping factor
US7079585B1 (en) Gray encoding for hierarchical QAM transmission systems
WO2001039456A1 (en) Gray encoding for hierarchical qam transmission systems
EP2213063B1 (en) Low density parity check (ldpc) encoded higher order modulation
US7987415B2 (en) Method and system for application of unequal error protection to uncompressed video for transmission over wireless channels
US7856067B2 (en) Unequal hierarchical communications modulation method
LU100477B1 (en) Method and device for adaptive coding and modulation
EP1232621B1 (en) Center of gravity control for hierarchical qam transmission systems
US7149259B1 (en) Center of gravity control for hierarchical QAM transmission systems

Legal Events

Date Code Title Description
PC Assignment registered

Owner name: INTERDIGITAL MADISON PATENT HOLDINGS

Free format text: FORMER OWNER(S): THOMSON LICENSING S.A.

MK14 Patent ceased section 143(a) (annual fees not paid) or expired