DE69224142T2 - Kodierte Modulation mit ungleichen Fehlerschutzebenen - Google Patents

Kodierte Modulation mit ungleichen Fehlerschutzebenen

Info

Publication number
DE69224142T2
DE69224142T2 DE69224142T DE69224142T DE69224142T2 DE 69224142 T2 DE69224142 T2 DE 69224142T2 DE 69224142 T DE69224142 T DE 69224142T DE 69224142 T DE69224142 T DE 69224142T DE 69224142 T2 DE69224142 T2 DE 69224142T2
Authority
DE
Germany
Prior art keywords
error protection
coded modulation
unequal levels
unequal
levels
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
DE69224142T
Other languages
English (en)
Other versions
DE69224142D1 (de
Inventor
Nambirajan Seshadri
Carl-Erik Wilhelm Sundberg
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.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69224142D1 publication Critical patent/DE69224142D1/de
Publication of DE69224142T2 publication Critical patent/DE69224142T2/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
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
    • 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)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE69224142T 1991-10-31 1992-10-21 Kodierte Modulation mit ungleichen Fehlerschutzebenen Expired - Lifetime DE69224142T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/785,723 US5544328A (en) 1991-10-31 1991-10-31 Coded modulation with unequal error protection

Publications (2)

Publication Number Publication Date
DE69224142D1 DE69224142D1 (de) 1998-02-26
DE69224142T2 true DE69224142T2 (de) 1998-05-07

Family

ID=25136434

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69224142T Expired - Lifetime DE69224142T2 (de) 1991-10-31 1992-10-21 Kodierte Modulation mit ungleichen Fehlerschutzebenen

Country Status (5)

Country Link
US (1) US5544328A (de)
EP (1) EP0540231B1 (de)
JP (1) JP2801482B2 (de)
DE (1) DE69224142T2 (de)
SG (1) SG59926A1 (de)

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USRE42643E1 (en) 1991-03-27 2011-08-23 Panasonic Corporation Communication system
US5305352A (en) * 1991-10-31 1994-04-19 At&T Bell Laboratories Coded modulation with unequal error protection
US7894541B2 (en) 1992-03-26 2011-02-22 Panasonic Corporation Communication system
US6728467B2 (en) 1992-03-26 2004-04-27 Matsushita Electric Industrial Co., Ltd. Communication system
US6724976B2 (en) 1992-03-26 2004-04-20 Matsushita Electric Industrial Co., Ltd. Communication system
CA2332405C (en) 1992-03-26 2007-01-23 Matsushita Electric Industrial Co., Ltd. Communication system
US5892879A (en) * 1992-03-26 1999-04-06 Matsushita Electric Industrial Co., Ltd. Communication system for plural data streams
US5802241A (en) * 1992-03-26 1998-09-01 Matsushita Electric Industrial Co., Ltd. Communication system
USRE38513E1 (en) * 1992-03-26 2004-05-11 Matsushita Electric Industrial Co., Ltd. Communication system
DK1035693T3 (da) * 1992-09-25 2003-03-24 Matsushita Electric Ind Co Ltd Fleropløsningstransmission, især til flerbærebølgesystemer
US5844922A (en) * 1993-02-22 1998-12-01 Qualcomm Incorporated High rate trellis coding and decoding method and apparatus
US5396518A (en) * 1993-05-05 1995-03-07 Gi Corporation Apparatus and method for communicating digital data using trellis coding with punctured convolutional codes
US5745528A (en) * 1995-07-13 1998-04-28 Zenith Electronics Corporation VSB mode selection system
JP3634082B2 (ja) * 1996-08-29 2005-03-30 富士通株式会社 送信装置および受信装置
US5812602A (en) * 1996-11-14 1998-09-22 Motorola Inc. System and device for, and method of, communicating according to a trellis code of baseband signals chosen from a fixed set of baseband signal points
EP0919087A4 (de) * 1997-01-17 2001-08-16 Motorola Inc System, einrichtung und verfahren zur vermittlung nach einem zusammengesetzen kode
US5822371A (en) * 1997-02-14 1998-10-13 General Datacomm Inc. Mapper for high data rate signalling
ES2157854B1 (es) 1997-04-10 2002-04-01 Nokia Mobile Phones Ltd Metodo para disminuir el porcentaje de error de bloque en una transmision de datos en forma de bloques de datos y los correspondientes sistema de transmision de datos y estacion movil.
CA2262894C (en) 1997-06-19 2004-08-03 Kabushiki Kaisha Toshiba Information data multiplexing transmission system, multiplexer and demultiplexer used therefor, and error correcting encoder and decoder
US6405338B1 (en) * 1998-02-11 2002-06-11 Lucent Technologies Inc. Unequal error protection for perceptual audio coders
US7215718B1 (en) * 1999-04-28 2007-05-08 At&T Corp. Combined channel coding and space-time block coding in a multi-antenna arrangement
KR100778647B1 (ko) 1998-09-04 2007-11-22 에이티 앤드 티 코포레이션 다중-안테나 장치내의 결합된 채널 코딩 및 공간-블록 코딩
US6754290B1 (en) 1999-03-31 2004-06-22 Qualcomm Incorporated Highly parallel map decoder
US6397368B1 (en) * 1999-12-06 2002-05-28 Intellon Corporation Forward error correction with channel adaptation
EP1267508A1 (de) * 2000-02-29 2002-12-18 Fujitsu Limited Kodierungsverfahren für mehrträger übertragung und zugehöriger kodierer
US6889351B1 (en) * 2000-03-30 2005-05-03 Koninklijke Philips Electronics, N.V. Backward compatible multiple data stream transmission method and system for compressed domain signals
EP1287617B1 (de) * 2000-04-14 2003-12-03 Siemens Aktiengesellschaft Verfahren zum kanaldecodieren eines datenstroms mit nutzdaten und redundanzdaten, vorrichtung zum kanaldecodieren, computerlesbares speichermedium und computerprogramm-element
AU2001270623A1 (en) * 2000-07-17 2002-01-30 Koninklijke Philips Electronics N.V. Coding of data stream
FR2817092B1 (fr) * 2000-11-21 2003-02-14 Thomson Csf Dispositif destine a optimiser un emetteur selon les conditions de transmission, emetteur et recepteur de reference associes
US6898758B2 (en) * 2001-06-20 2005-05-24 Koninklijke Philips Electronics N.V. Cross media error protection method and system
KR100800885B1 (ko) * 2001-08-13 2008-02-04 삼성전자주식회사 다중레벨변조를 사용하는 통신시스템의 복조장치 및 방법
US6727772B2 (en) * 2002-05-01 2004-04-27 Intel Corporation Method and system for synchronizing a quadrature amplitude modulation demodulator
US8204079B2 (en) 2002-10-28 2012-06-19 Qualcomm Incorporated Joint transmission of multiple multimedia streams
US20040083417A1 (en) * 2002-10-29 2004-04-29 Lane Richard D. Multimedia transmission using variable error coding rate based on data importance
US20040083495A1 (en) * 2002-10-29 2004-04-29 Lane Richard D. Mulitmedia transmission using variable gain amplification based on data importance
US7613985B2 (en) * 2003-10-24 2009-11-03 Ikanos Communications, Inc. Hierarchical trellis coded modulation
KR100589680B1 (ko) * 2004-07-26 2006-06-19 한국전자통신연구원 이동통신 시스템의 신호 전송 방법 및 그 장치와, 수신방법 및 그 장치
US7987415B2 (en) * 2006-02-15 2011-07-26 Samsung Electronics Co., Ltd. Method and system for application of unequal error protection to uncompressed video for transmission over wireless channels
WO2007100184A1 (en) * 2006-02-28 2007-09-07 Lg Electronics Inc. Digital broadcasting system and method of processing data
EP2134052A1 (de) * 2008-06-13 2009-12-16 THOMSON Licensing Verbessertes QAM-Übertragungsverfahren für AWGN-Kanäle
JP5771134B2 (ja) * 2011-12-13 2015-08-26 日本放送協会 送信装置及び受信装置
US9380351B2 (en) * 2014-01-17 2016-06-28 Lg Display Co., Ltd. Apparatus for transmitting encoded video stream and method for transmitting the same

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US4520490A (en) * 1983-08-05 1985-05-28 At&T Information Systems Inc. Differentially nonlinear convolutional channel coding with expanded set of signalling alphabets
US4651320A (en) * 1984-12-24 1987-03-17 American Telephone And Telegraph Company Inband coding of secondary data
JPS6339239A (ja) * 1986-08-05 1988-02-19 Fujitsu Ltd 符号化変復調回路
US4882733A (en) * 1987-03-13 1989-11-21 Ford Aerospace Corporation Method and apparatus for combining encoding and modulation
US5134464A (en) * 1990-11-16 1992-07-28 North American Philips Corporation Method and apparatus for the transmission and reception of a multicarrier digital television signal
US5029185A (en) * 1989-07-28 1991-07-02 At&T Bell Laboratories Coded modulation for mobile radio
US5105443A (en) * 1990-05-29 1992-04-14 At&T Bell Laboratories Inband coding of secondary data
US5105442A (en) * 1990-11-07 1992-04-14 At&T Bell Laboratories Coded modulation with unequal error protection
US5164963A (en) * 1990-11-07 1992-11-17 At&T Bell Laboratories Coding for digital transmission
US5305352A (en) * 1991-10-31 1994-04-19 At&T Bell Laboratories Coded modulation with unequal error protection

Also Published As

Publication number Publication date
US5544328A (en) 1996-08-06
JPH06292161A (ja) 1994-10-18
EP0540231B1 (de) 1998-01-21
EP0540231A2 (de) 1993-05-05
SG59926A1 (en) 1999-02-22
JP2801482B2 (ja) 1998-09-21
EP0540231A3 (en) 1993-08-11
DE69224142D1 (de) 1998-02-26

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