SG59926A1 - Coded modulation with unequal error protection - Google Patents

Coded modulation with unequal error protection

Info

Publication number
SG59926A1
SG59926A1 SG1996000896A SG1996000896A SG59926A1 SG 59926 A1 SG59926 A1 SG 59926A1 SG 1996000896 A SG1996000896 A SG 1996000896A SG 1996000896 A SG1996000896 A SG 1996000896A SG 59926 A1 SG59926 A1 SG 59926A1
Authority
SG
Singapore
Prior art keywords
error protection
coded modulation
unequal error
unequal
coded
Prior art date
Application number
SG1996000896A
Other languages
English (en)
Inventor
Carl-Erik Wilhelm Sundberg
Nambirajan Seshadri
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
Publication of SG59926A1 publication Critical patent/SG59926A1/en

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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG1996000896A 1991-10-31 1992-10-21 Coded modulation with unequal error protection SG59926A1 (en)

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 (1)

Publication Number Publication Date
SG59926A1 true SG59926A1 (en) 1999-02-22

Family

ID=25136434

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996000896A SG59926A1 (en) 1991-10-31 1992-10-21 Coded modulation with unequal error protection

Country Status (5)

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

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5600672A (en) 1991-03-27 1997-02-04 Matsushita Electric Industrial Co., Ltd. Communication system
USRE40241E1 (en) 1991-03-27 2008-04-15 Matsushita Electric Industrial Co., Ltd. Communication system
USRE42643E1 (en) 1991-03-27 2011-08-23 Panasonic Corporation Communication system
USRE39890E1 (en) 1991-03-27 2007-10-23 Matsushita Electric Industrial Co., Ltd. Communication system
US5305352A (en) * 1991-10-31 1994-04-19 At&T Bell Laboratories Coded modulation with unequal error protection
US5892879A (en) * 1992-03-26 1999-04-06 Matsushita Electric Industrial Co., Ltd. Communication system for plural data streams
US6724976B2 (en) 1992-03-26 2004-04-20 Matsushita Electric Industrial Co., Ltd. Communication system
US5802241A (en) * 1992-03-26 1998-09-01 Matsushita Electric Industrial Co., Ltd. Communication system
US7894541B2 (en) 1992-03-26 2011-02-22 Panasonic Corporation Communication system
US7302007B1 (en) 1992-03-26 2007-11-27 Matsushita Electric Industrial Co., Ltd. Communication system
USRE38513E1 (en) 1992-03-26 2004-05-11 Matsushita Electric Industrial Co., Ltd. Communication system
CA2092495C (fr) 1992-03-26 1998-07-28 Mitsuaki Oshima Systeme de communication
US6728467B2 (en) 1992-03-26 2004-04-27 Matsushita Electric Industrial Co., Ltd. Communication system
ATE230183T1 (de) * 1992-09-25 2003-01-15 Matsushita Electric Industrial Co Ltd Übertragungssystem mit mehreren auflösungen
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 (fr) * 1997-01-17 2001-08-16 Motorola Inc Systeme, dispositif et procede de communication selon un code composite
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.
EP2239876A3 (fr) 1997-06-19 2011-01-26 Kabushiki Kaisha Toshiba Système de transmission avec multiplexage de données d'information, multiplexeur et démultiplexeur utilisés a cet effet et codeur et décodeur pour correction d'erreurs
US6405338B1 (en) * 1998-02-11 2002-06-11 Lucent Technologies Inc. Unequal error protection for perceptual audio coders
WO2000014921A1 (fr) 1998-09-04 2000-03-16 At & T Corp. Combinaison du codage de voie et du codage de bloc etat dans un dispositif a plusieurs antennes
US7215718B1 (en) * 1999-04-28 2007-05-08 At&T Corp. Combined channel coding and space-time block coding in a multi-antenna arrangement
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 (fr) * 2000-02-29 2002-12-18 Fujitsu Limited Procede de codage pour transmission a porteuses multiples et codeur utilisant ce procede
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
WO2001080432A1 (fr) * 2000-04-14 2001-10-25 Siemens Aktiengesellschaft Procede de decodage canal d'un train de donnees avec donnees utiles et donnees redondantes, decodeur canal, support memoire lisible a l'ordinateur et element de programme d'ordinateur
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
US20040083495A1 (en) * 2002-10-29 2004-04-29 Lane Richard D. Mulitmedia transmission using variable gain amplification based on data importance
US20040083417A1 (en) * 2002-10-29 2004-04-29 Lane Richard D. Multimedia transmission using variable error coding rate 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 (fr) * 2006-02-28 2007-09-07 Lg Electronics Inc. Système de diffusion numérique et procédé de traitement de données
EP2134052A1 (fr) * 2008-06-13 2009-12-16 THOMSON Licensing Schéma de transmission QAM amélioré pour des canaux de type AWGN
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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5164963A (en) * 1990-11-07 1992-11-17 At&T Bell Laboratories Coding for digital transmission
US5105442A (en) * 1990-11-07 1992-04-14 At&T Bell Laboratories Coded modulation with unequal error protection
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
DE69224142T2 (de) 1998-05-07
JP2801482B2 (ja) 1998-09-21
US5544328A (en) 1996-08-06
EP0540231A3 (en) 1993-08-11
EP0540231A2 (fr) 1993-05-05
JPH06292161A (ja) 1994-10-18
DE69224142D1 (de) 1998-02-26
EP0540231B1 (fr) 1998-01-21

Similar Documents

Publication Publication Date Title
EP0540232A3 (en) Coded modulation with unequal error protection
EP0540231A3 (en) Coded modulation with unequal error protection
SG46318A1 (en) Coded modulation with unequal error protection
EP0490552A3 (en) Multiplexed coded modulation with unequal error protection
US5085332B1 (en) Closure assembly
EP0544463A3 (en) Coded modulation, with unequal error protection, for fading channels
GB9212205D0 (en) Can ends
EP0349397A3 (en) Flat combination padlock
GB9222927D0 (en) Resins
GB9219685D0 (en) Error reduction
GB9016420D0 (en) Block coded modulation
GB2254293B (en) Safety compass
GB2256004B (en) Combination lock
GB2255141B (en) Sealing element
GB9312071D0 (en) Encoding scheme
GB2253974B (en) Convolutional coding
EP0523005A3 (en) Disazodyes with cycloalkylester or cycloalkylamide rests
GB2256227B (en) Combination lock
IL96954A0 (en) Padlock
GB9513127D0 (en) Resins
GB2270340B (en) Ladder
PL293048A1 (en) Coded lock
EP0493749A3 (en) Bio-maleimide resins
CS104191A3 (en) Safety padlock
GB9123433D0 (en) Locking assembly