HK42697A - Coding for digital transmission - Google Patents

Coding for digital transmission

Info

Publication number
HK42697A
HK42697A HK42697A HK42697A HK42697A HK 42697 A HK42697 A HK 42697A HK 42697 A HK42697 A HK 42697A HK 42697 A HK42697 A HK 42697A HK 42697 A HK42697 A HK 42697A
Authority
HK
Hong Kong
Prior art keywords
coding
digital transmission
digital
transmission
Prior art date
Application number
HK42697A
Other languages
English (en)
Inventor
Victor Bernard Lawrence
Arun Narayan Netravali
Jean-Jacques Werner
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 HK42697A publication Critical patent/HK42697A/xx

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
    • H04L27/3427—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 in which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
HK42697A 1990-11-07 1997-04-03 Coding for digital transmission HK42697A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/611,225 US5164963A (en) 1990-11-07 1990-11-07 Coding for digital transmission

Publications (1)

Publication Number Publication Date
HK42697A true HK42697A (en) 1997-04-11

Family

ID=24448144

Family Applications (1)

Application Number Title Priority Date Filing Date
HK42697A HK42697A (en) 1990-11-07 1997-04-03 Coding for digital transmission

Country Status (7)

Country Link
US (2) US5164963A (xx)
EP (1) EP0485105B1 (xx)
JP (1) JP2665092B2 (xx)
KR (1) KR950011198B1 (xx)
DE (1) DE69123948T2 (xx)
HK (1) HK42697A (xx)
SG (1) SG43761A1 (xx)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285276A (en) * 1991-03-12 1994-02-08 Zenith Electronics Corp. Bi-rate high definition television signal transmission system
DE69232530T2 (de) * 1991-03-27 2002-11-07 Matsushita Electric Ind Co Ltd Signalübertragungssystem
USRE39890E1 (en) 1991-03-27 2007-10-23 Matsushita Electric Industrial Co., Ltd. Communication system
US5600672A (en) 1991-03-27 1997-02-04 Matsushita Electric Industrial Co., Ltd. Communication system
USRE42643E1 (en) 1991-03-27 2011-08-23 Panasonic Corporation Communication system
USRE40241E1 (en) 1991-03-27 2008-04-15 Matsushita Electric Industrial Co., Ltd. Communication system
US6487362B1 (en) 1991-08-19 2002-11-26 Index Systems, Inc. Enhancing operations of video tape cassette players
US6091884A (en) * 1991-08-19 2000-07-18 Index Systems, Inc. Enhancing operations of video tape cassette players
DE4135070C1 (xx) * 1991-10-24 1993-05-19 Institut Fuer Rundfunktechnik Gmbh, 8000 Muenchen, De
US5544328A (en) * 1991-10-31 1996-08-06 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
US5243419A (en) * 1991-10-31 1993-09-07 At&T Bell Laboratories Soft coding for HDTV
US5289501A (en) * 1991-11-26 1994-02-22 At&T Bell Laboratories Coded modulation with unequal error protection for fading channels
DE69332849T2 (de) 1992-01-14 2003-12-18 Fujitsu Ltd Gleichzeitige Übertragung von Daten und analogen Sprachbandsignalen
US5892879A (en) * 1992-03-26 1999-04-06 Matsushita Electric Industrial Co., Ltd. Communication system for plural data streams
US7894541B2 (en) * 1992-03-26 2011-02-22 Panasonic Corporation Communication system
US5802241A (en) * 1992-03-26 1998-09-01 Matsushita Electric Industrial Co., Ltd. Communication system
CA2332405C (en) * 1992-03-26 2007-01-23 Matsushita Electric Industrial Co., Ltd. Communication system
USRE38513E1 (en) 1992-03-26 2004-05-11 Matsushita Electric Industrial Co., Ltd. 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
US7158577B1 (en) 1992-03-26 2007-01-02 Matsushita Electric Industrial Co., Ltd. Communication system
US5282226A (en) * 1992-04-27 1994-01-25 Hughes Aircraft Company System and method for transmission of bursts of digital information
US5311552A (en) * 1992-06-15 1994-05-10 General Electric Company Trellis coding technique to improve adjacent channel interference protection ratio in land mobile radio systems
US5311553A (en) * 1992-06-15 1994-05-10 General Electric Company Trellis coding technique to increase adjacent channel interference protection ratio in land mobile radio systems under peak power constraints
US5289276A (en) * 1992-06-19 1994-02-22 General Electric Company Method and apparatus for conveying compressed video data over a noisy communication channel
US5331348A (en) * 1992-07-27 1994-07-19 At&T Bell Laboratories Adaptive leak HDTV encoder
US5438369A (en) * 1992-08-17 1995-08-01 Zenith Electronics Corporation Digital data interleaving system with improved error correctability for vertically correlated interference
ATE230182T1 (de) * 1992-09-25 2003-01-15 Matsushita Electric Ind Co Ltd Übertragung mit mehreren auflösungen, insbesondere für mehrträgersysteme
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.
US5363141A (en) * 1993-01-29 1994-11-08 At&T Bell Laboratories Method and apparatus for transmitting encoded blocks of video signals at different channel rates
EP0616454A1 (fr) * 1993-03-17 1994-09-21 Laboratoires D'electronique Philips S.A.S. Système de transmission numérique à multirésolution
EP0617531A1 (en) * 1993-03-25 1994-09-28 Matsushita Electric Industrial Co., Ltd. Multiresolution transmission system
US5565926A (en) * 1993-05-07 1996-10-15 Philips Electronics North America Corporation Method and apparatus for communicating digital television signals using a signal constellation formed by four signal constellations placed in the quadrants
JPH0775099A (ja) * 1993-05-07 1995-03-17 Philips Electron Nv マルチプレックス直交振幅変調テレビジョン送信用送信方式、送信機及び受信機
KR950002458A (ko) * 1993-06-02 1995-01-04 이헌조 영상신호의 압축/신장 장치
US5440585A (en) * 1993-06-14 1995-08-08 At&T Corp. Applications of simultaneous analog and digital communication
FR2707130A1 (fr) * 1993-06-30 1995-01-06 Philips Laboratoire Electroniq Système de réception et de décodage de signaux numériques selon deux niveaux de définition d'image.
US5376969A (en) * 1993-11-15 1994-12-27 Rca Thomson Licensing Corporation Method and apparatus for conveying compressed video data over a noisy communication channel
US5452009A (en) * 1993-12-29 1995-09-19 Zenith Electronics Corp. Digital transmission system with data rate optimized for noise in transmission medium
TW249873B (en) * 1994-03-21 1995-06-21 At & T Corp Time division multiplexing data communication arrangement with different signal constellation
US5398073A (en) * 1994-04-12 1995-03-14 At&T Corp. Concatenated coded vestigial sideband modulation for high definition television
US5465273A (en) * 1994-04-20 1995-11-07 General Datacomm, Inc. Modem utilizing parity and convolutional encoder feedback
US5583889A (en) * 1994-07-08 1996-12-10 Zenith Electronics Corporation Trellis coded modulation system for HDTV
US5617541A (en) * 1994-12-21 1997-04-01 International Computer Science Institute System for packetizing data encoded corresponding to priority levels where reconstructed data corresponds to fractionalized priority level and received fractionalized packets
US5570391A (en) * 1995-03-06 1996-10-29 Chung-Chin Chen Trellis coding method using a multilevel delay device
JP3170193B2 (ja) * 1995-03-16 2001-05-28 松下電器産業株式会社 画像信号の符号化装置及び復号装置
US5621762A (en) * 1995-06-12 1997-04-15 Motorola, Inc. Radio with peak power and bandwidth efficient modulation
US6049572A (en) * 1996-12-30 2000-04-11 Intel Corporation Optimization of QAM constellation space for auxiliary I-Q signaling
US6043844A (en) * 1997-02-18 2000-03-28 Conexant Systems, Inc. Perceptually motivated trellis based rate control method and apparatus for low bit rate video coding
US6549242B1 (en) * 1997-04-04 2003-04-15 Harris Corporation Combining adjacent TV channels for transmission by a common antenna
US6167085A (en) * 1997-07-31 2000-12-26 Sony Corporation Image data compression
US6031874A (en) * 1997-09-26 2000-02-29 Ericsson Inc. Unequal error protection in coded modulation schemes
US6307487B1 (en) 1998-09-23 2001-10-23 Digital Fountain, Inc. Information additive code generator and decoder for communication systems
US7068729B2 (en) 2001-12-21 2006-06-27 Digital Fountain, Inc. Multi-stage code generator and decoder for communication systems
US6603809B1 (en) * 1999-12-29 2003-08-05 Nokia Corporation Apparatus, and associated method, for forming a signal for communication upon a fading channel
JP3506330B2 (ja) * 2000-12-27 2004-03-15 松下電器産業株式会社 データ送信装置
ATE261637T1 (de) * 2001-02-21 2004-03-15 Matsushita Electric Ind Co Ltd Hybrides arq-verfahren mit neuanordnung der signalkonstellation
US7693179B2 (en) * 2002-11-29 2010-04-06 Panasonic Corporation Data transmission apparatus using a constellation rearrangement
US20060203927A1 (en) 2001-03-27 2006-09-14 Aware, Inc. Systems and methods for implementing receiver transparent Q-mode
KR100539862B1 (ko) 2001-04-04 2005-12-28 삼성전자주식회사 부호분할다중접속 이동통신시스템에서 데이타 송/수신장치및 방법
CN1224226C (zh) * 2001-06-09 2005-10-19 三星电子株式会社 通信系统中重新排列码字序列的方法和设备
ATE303687T1 (de) 2001-11-16 2005-09-15 Matsushita Electric Ind Co Ltd Hybrides arq verfahren zur datenpaketübertragung
EP1313247B1 (en) * 2001-11-16 2005-11-09 Matsushita Electric Industrial Co., Ltd. Incremental redundancy ARQ retransmission method using bit reordering schemes
KR20030049302A (ko) * 2001-12-14 2003-06-25 한국전자통신연구원 디지털 방송 시스템에서의 기저대역 부호화 장치 및 그를이용한 주파수 변조 방법
JP3815344B2 (ja) * 2002-02-21 2006-08-30 株式会社日立製作所 多値変調に適した符号語マッピング方法
US7230993B2 (en) 2002-03-06 2007-06-12 Nokia Corporation Method and apparatus for modulation using an at least four-dimensional signal constellation
US9240810B2 (en) 2002-06-11 2016-01-19 Digital Fountain, Inc. Systems and processes for decoding chain reaction codes through inactivation
EP1552617A2 (en) 2002-10-05 2005-07-13 Digital Fountain, Inc. Systematic encoding and decoding of chain reaction codes
CN1954501B (zh) 2003-10-06 2010-06-16 数字方敦股份有限公司 通过通信信道接收从源发射的数据的方法
WO2005055016A2 (en) * 2003-12-01 2005-06-16 Digital Fountain, Inc. Protection of data from erasures using subsymbol based codes
JP4971144B2 (ja) 2004-05-07 2012-07-11 デジタル ファウンテン， インコーポレイテッド ファイルダウンロードおよびストリーミングのシステム
KR100714973B1 (ko) * 2004-08-16 2007-05-04 삼성전자주식회사 하이브리드 자동재전송요구 시스템에서 신호점 사상규칙을변경하기 위한 장치 및 방법
CN101057293B (zh) * 2004-11-08 2010-05-26 皇家飞利浦电子股份有限公司 从记录载体进行比特检测的方法和数据检测设备
KR101292851B1 (ko) 2006-02-13 2013-08-02 디지털 파운튼, 인크. 가변적 ｆｅｃ 오버헤드 및 보호 구간을 이용하는 스트리밍및 버퍼링
US9270414B2 (en) * 2006-02-21 2016-02-23 Digital Fountain, Inc. Multiple-field based code generator and decoder for communications systems
WO2007100184A1 (en) * 2006-02-28 2007-09-07 Lg Electronics Inc. Digital broadcasting system and method of processing data
US7971129B2 (en) 2006-05-10 2011-06-28 Digital Fountain, Inc. Code generator and decoder for communications systems operating using hybrid codes to allow for multiple efficient users of the communications systems
US9419749B2 (en) 2009-08-19 2016-08-16 Qualcomm Incorporated Methods and apparatus employing FEC codes with permanent inactivation of symbols for encoding and decoding processes
US9432433B2 (en) 2006-06-09 2016-08-30 Qualcomm Incorporated Enhanced block-request streaming system using signaling or block creation
US9209934B2 (en) 2006-06-09 2015-12-08 Qualcomm Incorporated Enhanced block-request streaming using cooperative parallel HTTP and forward error correction
US9380096B2 (en) 2006-06-09 2016-06-28 Qualcomm Incorporated Enhanced block-request streaming system for handling low-latency streaming
US9386064B2 (en) 2006-06-09 2016-07-05 Qualcomm Incorporated Enhanced block-request streaming using URL templates and construction rules
US9178535B2 (en) 2006-06-09 2015-11-03 Digital Fountain, Inc. Dynamic stream interleaving and sub-stream based delivery
US20080205229A1 (en) * 2007-02-26 2008-08-28 Yung-Chih Li Method of identifying optical disc
JP5027305B2 (ja) 2007-09-12 2012-09-19 デジタル ファウンテン， インコーポレイテッド 信頼できる通信を可能にするためのソース識別情報の生成および伝達
US9281847B2 (en) 2009-02-27 2016-03-08 Qualcomm Incorporated Mobile reception of digital video broadcasting—terrestrial services
US9288010B2 (en) 2009-08-19 2016-03-15 Qualcomm Incorporated Universal file delivery methods for providing unequal error protection and bundled file delivery services
US9917874B2 (en) 2009-09-22 2018-03-13 Qualcomm Incorporated Enhanced block-request streaming using block partitioning or request controls for improved client-side handling
US20110280311A1 (en) 2010-05-13 2011-11-17 Qualcomm Incorporated One-stream coding for asymmetric stereo video
US9596447B2 (en) 2010-07-21 2017-03-14 Qualcomm Incorporated Providing frame packing type information for video coding
US9319448B2 (en) 2010-08-10 2016-04-19 Qualcomm Incorporated Trick modes for network streaming of coded multimedia data
US9270299B2 (en) 2011-02-11 2016-02-23 Qualcomm Incorporated Encoding and decoding using elastic codes with flexible source block mapping
US8958375B2 (en) 2011-02-11 2015-02-17 Qualcomm Incorporated Framing for an improved radio link protocol including FEC
CN102131104A (zh) * 2011-03-22 2011-07-20 中广传播集团有限公司 加扰业务的方法
US9253233B2 (en) 2011-08-31 2016-02-02 Qualcomm Incorporated Switch signaling methods providing improved switching between representations for adaptive HTTP streaming
US9843844B2 (en) 2011-10-05 2017-12-12 Qualcomm Incorporated Network streaming of media data
US9047203B1 (en) * 2011-12-21 2015-06-02 Altera Corporation Systems and methods for encoding and decoding data
US9294226B2 (en) 2012-03-26 2016-03-22 Qualcomm Incorporated Universal object delivery and template-based file delivery
KR20140048004A (ko) * 2012-10-15 2014-04-23 콘티넨탈 오토모티브 시스템 주식회사 하이브리드 차량의 변속 제어 장치 및 방법
US10153935B2 (en) * 2016-07-18 2018-12-11 Intel Corporation Apparatus, system and method of communicating a transmission according to a rotated 256 quadrature amplitude modulation (QAM) scheme

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909721A (en) * 1972-01-31 1975-09-30 Signatron Signal processing system
US4015222A (en) 1975-12-01 1977-03-29 Bell Telephone Laboratories, Incorporated Modulated passband signal generator
US4247940A (en) 1979-10-15 1981-01-27 Bell Telephone Laboratories, Incorporated Equalizer for complex data signals
US4346473A (en) * 1980-02-26 1982-08-24 Harris Corporation Error correction coding method and apparatus for multilevel signaling
US4457004A (en) 1982-02-08 1984-06-26 Bell Telephone Laboratories, Incorporated Multidimensional channel coding
US4597090A (en) 1983-04-14 1986-06-24 Codex Corporation Block coded modulation system
US4489418A (en) 1983-04-18 1984-12-18 At&T Bell Laboratories Differential encoding technique
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
US4644537A (en) * 1984-12-24 1987-02-17 American Telephone And Telegraph Company Inband coding of secondary data
US4823346A (en) * 1986-04-16 1989-04-18 Hitachi, Ltd. Maximum likelihood decoder
AU621536B2 (en) * 1987-02-24 1992-03-19 General Electric Capital Corporation Partial response channel signaling systems
US4882733A (en) 1987-03-13 1989-11-21 Ford Aerospace Corporation Method and apparatus for combining encoding and modulation
CA1274929A (en) * 1987-08-06 1990-10-02 John Duncan Mcnicol Method of communicating stuffing indications in a multi-level communications system
US4891806A (en) * 1987-09-18 1990-01-02 Racal Data Communications Inc. Constellation multiplexed inband secondary channel for voiceband modem
US4924492A (en) * 1988-03-22 1990-05-08 American Telephone And Telegraph Company Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises
US4980897A (en) * 1988-08-12 1990-12-25 Telebit Corporation Multi-channel trellis encoder/decoder
US4901331A (en) * 1989-05-19 1990-02-13 American Telephone And Telegraph Company Trellis codes with passband spectral nulls
US5128758A (en) * 1989-06-02 1992-07-07 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
US5140417A (en) * 1989-06-20 1992-08-18 Matsushita Electric Co., Ltd. Fast packet transmission system of video data
GB8929152D0 (en) * 1989-12-22 1990-02-28 Gen Electric A digital augmentation system for actv-ii
US5148274A (en) * 1990-03-19 1992-09-15 At&T Bell Laboratories PAM signals modulation with mappings to improve utilization of available transmission capacity
US5159453A (en) * 1990-09-07 1992-10-27 New York Institute Of Technology Video processing method and apparatus

Also Published As

Publication number Publication date
SG43761A1 (en) 1997-11-14
EP0485105A2 (en) 1992-05-13
US5164963A (en) 1992-11-17
DE69123948D1 (de) 1997-02-13
EP0485105A3 (en) 1992-09-30
US5524025A (en) 1996-06-04
KR950011198B1 (ko) 1995-09-29
EP0485105B1 (en) 1997-01-02
DE69123948T2 (de) 1997-04-30
JPH04313983A (ja) 1992-11-05
JP2665092B2 (ja) 1997-10-22
KR920011270A (ko) 1992-06-27

Similar Documents

Publication Publication Date Title
SG43761A1 (en) Coding for digital transmission
EP0437197A3 (en) Digital cross connection apparatus
EP0453282A3 (en) Digital subband encoding apparatus
GB9022326D0 (en) Signal coding
GB9523042D0 (en) Digital coding
EP0473116A3 (en) Digital communication device
EP0493044A3 (en) Digital modulation
HK1008764A1 (en) Coding system
CS16792A3 (en) Receiver for digital transmission system
GB8416240D0 (en) Digital transmission
CS363591A3 (en) Receiver for digital transmission system
GB9026996D0 (en) Line coding scheme
GB2238445B (en) Digital video coding
EP0474143A3 (en) Transmission
GB2253547B (en) Digital communications systems
DE3460852D1 (en) Digital transmission system
GB2262857B (en) Digital encoder
GB2236235B (en) A digital transmission system
GB2238444B (en) Digital coder
EP0505916A3 (en) Digital copier
EP0376335A3 (en) Digital transmission system
GB9421770D0 (en) Digital image coding
GB2247795B (en) Digital transmission circuit
GB2266213B (en) Digital signal coding
IL94117A0 (en) Digital mark-printer

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)