CN1274123C - 用于分级正交幅度调制传输系统的错误检测校正编码 - Google Patents

用于分级正交幅度调制传输系统的错误检测校正编码 Download PDF

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Publication number
CN1274123C
CN1274123C CNB008182159A CN00818215A CN1274123C CN 1274123 C CN1274123 C CN 1274123C CN B008182159 A CNB008182159 A CN B008182159A CN 00818215 A CN00818215 A CN 00818215A CN 1274123 C CN1274123 C CN 1274123C
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CN
China
Prior art keywords
error detection
data stream
correction
rate
hierarchical qam
Prior art date
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Expired - Lifetime
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CNB008182159A
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English (en)
Chinese (zh)
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CN1421086A (zh
Inventor
福里斯特·T·塞特尔
彼得·T·克劳斯
库马尔·拉马斯瓦米
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Thomson Licensing SAS
International Digital Madison Patent Holding SAS
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THOMSON LICENSING CORP
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Publication of CN1421086A publication Critical patent/CN1421086A/zh
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0064Concatenated codes
    • H04L1/0065Serial concatenated codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/007Unequal error protection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3488Multiresolution systems

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  • 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)
CNB008182159A 1999-11-23 2000-11-22 用于分级正交幅度调制传输系统的错误检测校正编码 Expired - Lifetime CN1274123C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16702199P 1999-11-23 1999-11-23
US60/167,021 1999-11-23

Publications (2)

Publication Number Publication Date
CN1421086A CN1421086A (zh) 2003-05-28
CN1274123C true CN1274123C (zh) 2006-09-06

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CNB008182159A Expired - Lifetime CN1274123C (zh) 1999-11-23 2000-11-22 用于分级正交幅度调制传输系统的错误检测校正编码

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
US7184489B2 (en) 2001-04-27 2007-02-27 The Directv Group, Inc. Optimization technique for layered modulation
US7483505B2 (en) 2001-04-27 2009-01-27 The Directv Group, Inc. Unblind equalizer architecture for digital communication systems
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
US7502430B2 (en) 2001-04-27 2009-03-10 The Directv Group, Inc. Coherent averaging for measuring traveling wave tube amplifier nonlinearity
US7209524B2 (en) 2001-04-27 2007-04-24 The Directv Group, Inc. Layered modulation for digital signals
US7423987B2 (en) 2001-04-27 2008-09-09 The Directv Group, Inc. Feeder link configurations to support layered modulation for digital signals
US7173981B1 (en) 2001-04-27 2007-02-06 The Directv Group, Inc. Dual layer signal processing in a layered modulation digital signal system
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
US7583728B2 (en) 2002-10-25 2009-09-01 The Directv Group, Inc. Equalizers for layered modulated and other signals
AR040366A1 (es) 2002-07-01 2005-03-30 Hughes Electronics Corp Mejora del rendimiento de la modulacion jerarquica por desplazamiento de ocho fases (8psk)
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
CA2503530C (en) 2002-10-25 2009-12-22 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
WO2004105337A1 (en) * 2003-05-16 2004-12-02 Thomson Licensing S.A. Repetition coding in a satellite-based communications system
BRPI0410300A (pt) * 2003-05-16 2006-05-23 Thomson Licensing receptor unificado para sistemas de modulação em camadas e hierárquica
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
DE60023173T2 (de) 2006-04-27
KR100684213B1 (ko) 2007-02-20
AU1925201A (en) 2001-06-04
EP1232622A1 (en) 2002-08-21
EP1232622B1 (en) 2005-10-12
WO2001039455A1 (en) 2001-05-31
KR20020068353A (ko) 2002-08-27
CN1421086A (zh) 2003-05-28
MXPA02005197A (es) 2002-11-07
AU782684B2 (en) 2005-08-18
JP4649087B2 (ja) 2011-03-09
DE60023173D1 (de) 2005-11-17
BR0015739A (pt) 2002-07-16
JP2003525537A (ja) 2003-08-26

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Address after: I Si Eli Murli Nor, France

Patentee after: THOMSON LICENSING

Address before: French Boulogne

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TR01 Transfer of patent right
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Effective date of registration: 20190128

Address after: Paris France

Patentee after: International Digital Madison Patent Holding Co.

Address before: I Si Eli Murli Nor, France

Patentee before: THOMSON LICENSING

Effective date of registration: 20190128

Address after: I Si Eli Murli Nor, France

Patentee after: THOMSON LICENSING

Address before: I Si Eli Murli Nor, France

Patentee before: THOMSON LICENSING

CX01 Expiry of patent term
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Granted publication date: 20060906