KR100684213B1 - 계층적 ｑａｍ 송신 시스템을 위한 에러 검출/정정 코딩 - Google Patents

계층적 ｑａｍ 송신 시스템을 위한 에러 검출/정정 코딩 Download PDF

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KR100684213B1
KR100684213B1 KR1020027006550A KR20027006550A KR100684213B1 KR 100684213 B1 KR100684213 B1 KR 100684213B1 KR 1020027006550 A KR1020027006550 A KR 1020027006550A KR 20027006550 A KR20027006550 A KR 20027006550A KR 100684213 B1 KR100684213 B1 KR 100684213B1
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data
error detection
correction
data stream
hierarchical qam
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Korean (ko)
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KR20020068353A (ko
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세틀포리스트티모시
크라우스피터토마스
라마스와미쿠마르
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톰슨 라이센싱
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    • 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

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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)
KR1020027006550A 1999-11-23 2000-11-22 계층적 ｑａｍ 송신 시스템을 위한 에러 검출/정정 코딩 Expired - Lifetime KR100684213B1 (ko)

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)

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KR20020068353A KR20020068353A (ko) 2002-08-27
KR100684213B1 true KR100684213B1 (ko) 2007-02-20

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KR1020027006550A Expired - Lifetime KR100684213B1 (ko) 1999-11-23 2000-11-22 계층적 ｑａｍ 송신 시스템을 위한 에러 검출/정정 코딩

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

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
US7173981B1 (en) 2001-04-27 2007-02-06 The Directv Group, Inc. Dual layer signal processing in a layered modulation digital signal system
WO2004040403A2 (en) 2001-04-27 2004-05-13 The Directv Group, Inc. Lower complexity layered modulation signal processor
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
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
US7184489B2 (en) 2001-04-27 2007-02-27 The Directv Group, Inc. Optimization technique for layered modulation
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
CA2489569C (en) 2002-07-01 2012-05-22 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
US7474710B2 (en) 2002-10-25 2009-01-06 The Directv Group, Inc. Amplitude and phase matching for layered modulation reception
US7463676B2 (en) 2002-10-25 2008-12-09 The Directv Group, Inc. On-line phase noise measurement for layered modulation
WO2004105302A1 (en) * 2003-05-16 2004-12-02 Thomson Licensing S.A. A unified receiver for layered and hierarchical modulation systems
EP1625719B1 (en) * 2003-05-16 2008-12-17 Thomson Licensing Demodulation and repetition decoding of multi-layer signals
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
RU2641448C1 (ru) * 2013-12-23 2018-01-17 Общество С Ограниченной Ответственностью "Космонет" Способ 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
CN1421086A (zh) 2003-05-28
EP1232622B1 (en) 2005-10-12
WO2001039455A1 (en) 2001-05-31
MXPA02005197A (es) 2002-11-07
DE60023173D1 (de) 2005-11-17
DE60023173T2 (de) 2006-04-27
AU1925201A (en) 2001-06-04
EP1232622A1 (en) 2002-08-21
AU782684B2 (en) 2005-08-18
KR20020068353A (ko) 2002-08-27
BR0015739A (pt) 2002-07-16
JP2003525537A (ja) 2003-08-26
JP4649087B2 (ja) 2011-03-09
CN1274123C (zh) 2006-09-06

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