DE60029601D1 - Gruppenkettenreaktionskodierer mit variabler anzahl zugeordneter eingabedaten für jeden ausgaben gruppenkode - Google Patents

Gruppenkettenreaktionskodierer mit variabler anzahl zugeordneter eingabedaten für jeden ausgaben gruppenkode

Info

Publication number
DE60029601D1
DE60029601D1 DE60029601T DE60029601T DE60029601D1 DE 60029601 D1 DE60029601 D1 DE 60029601D1 DE 60029601 T DE60029601 T DE 60029601T DE 60029601 T DE60029601 T DE 60029601T DE 60029601 D1 DE60029601 D1 DE 60029601D1
Authority
DE
Germany
Prior art keywords
symbols
output
group
output symbols
input
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
DE60029601T
Other languages
English (en)
Other versions
DE60029601T2 (de
Inventor
G Luby
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.)
Digital Fountain Inc
Original Assignee
Digital Fountain Inc
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 Digital Fountain Inc filed Critical Digital Fountain Inc
Application granted granted Critical
Publication of DE60029601D1 publication Critical patent/DE60029601D1/de
Publication of DE60029601T2 publication Critical patent/DE60029601T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/3761—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 using code combining, i.e. using combining of codeword portions which may have been transmitted separately, e.g. Digital Fountain codes, Raptor codes or Luby Transform [LT] codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/373—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with erasure correction and erasure determination, e.g. for packet loss recovery or setting of erasures for the decoding of Reed-Solomon codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/3746—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with iterative decoding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/47—Error detection, forward error correction or error protection, not provided for in groups H03M13/01 - H03M13/37
    • 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
    • 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
    • H04L1/0041—Arrangements at the transmitter 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
    • H04L1/0045—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
    • H04L1/0057—Block codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1836—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with heterogeneous network architecture

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Correction Of Errors (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE60029601T 1999-09-17 2000-09-15 Gruppenkettenreaktionskodierer mit variabler anzahl zugeordneter eingabedaten für jeden ausgaben gruppenkode Expired - Lifetime DE60029601T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US399201 1995-03-06
US09/399,201 US6320520B1 (en) 1998-09-23 1999-09-17 Information additive group code generator and decoder for communications systems
PCT/US2000/025405 WO2001020786A1 (en) 1999-09-17 2000-09-15 Group chain reaction encoder with variable number of associated input data for each output group code

Publications (2)

Publication Number Publication Date
DE60029601D1 true DE60029601D1 (de) 2006-09-07
DE60029601T2 DE60029601T2 (de) 2007-07-19

Family

ID=23578574

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60029601T Expired - Lifetime DE60029601T2 (de) 1999-09-17 2000-09-15 Gruppenkettenreaktionskodierer mit variabler anzahl zugeordneter eingabedaten für jeden ausgaben gruppenkode

Country Status (10)

Country Link
US (1) US6320520B1 (de)
EP (1) EP1214793B9 (de)
JP (1) JP4680359B2 (de)
KR (1) KR20010113762A (de)
AT (1) ATE334507T1 (de)
AU (1) AU781130B2 (de)
CA (1) CA2359534C (de)
DE (1) DE60029601T2 (de)
IL (1) IL144594A (de)
WO (1) WO2001020786A1 (de)

Families Citing this family (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6320520B1 (en) 1998-09-23 2001-11-20 Digital Fountain Information additive group code generator and decoder for communications systems
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
FR2799592B1 (fr) * 1999-10-12 2003-09-26 Thomson Csf Procede de construction et de codage simple et systematique de codes ldpc
US7194504B2 (en) * 2000-02-18 2007-03-20 Avamar Technologies, Inc. System and method for representing and maintaining redundant data sets utilizing DNA transmission and transcription techniques
US7062648B2 (en) * 2000-02-18 2006-06-13 Avamar Technologies, Inc. System and method for redundant array network storage
US6826711B2 (en) 2000-02-18 2004-11-30 Avamar Technologies, Inc. System and method for data protection with multidimensional parity
US6704730B2 (en) 2000-02-18 2004-03-09 Avamar Technologies, Inc. Hash file system and method for use in a commonality factoring system
US6807649B1 (en) * 2000-05-23 2004-10-19 Hewlett-Packard Development Company, L.P. Encryption keys for multiple drive fault tolerance
US8131867B1 (en) 2000-06-01 2012-03-06 Qualcomm Incorporated Dynamic layer congestion control for multicast transport
US6486803B1 (en) 2000-09-22 2002-11-26 Digital Fountain, Inc. On demand encoding with a window
US6810398B2 (en) * 2000-11-06 2004-10-26 Avamar Technologies, Inc. System and method for unorchestrated determination of data sequences using sticky byte factoring to determine breakpoints in digital sequences
US7072971B2 (en) * 2000-11-13 2006-07-04 Digital Foundation, Inc. Scheduling of multiple files for serving on a server
US7240358B2 (en) * 2000-12-08 2007-07-03 Digital Fountain, Inc. Methods and apparatus for scheduling, serving, receiving media-on demand for clients, servers arranged according to constraints on resources
US20020129159A1 (en) * 2001-03-09 2002-09-12 Michael Luby Multi-output packet server with independent streams
JP4632574B2 (ja) * 2001-05-25 2011-02-16 株式会社日立製作所 記憶装置およびファイルデータのバックアップ方法およびファイルデータのコピー方法
US20030055915A1 (en) * 2001-09-14 2003-03-20 Ngo Kin Cuc Method and apparatus for transmitting data over a network
US7181668B2 (en) * 2002-03-29 2007-02-20 Lucent Technologies Inc. Method and system of decoding an encoded data block
US6677864B2 (en) * 2002-04-18 2004-01-13 Telefonaktiebolaget L.M. Ericsson Method for multicast over wireless networks
EP2306652B1 (de) 2002-06-11 2014-03-19 Digital Fountain, Inc. Dekodierung von Kettenreaktionscodes mittels Inaktivierung
US9240810B2 (en) 2002-06-11 2016-01-19 Digital Fountain, Inc. Systems and processes for decoding chain reaction codes through inactivation
US7363346B2 (en) * 2002-09-07 2008-04-22 Appistry, Inc. Reliably storing information across multiple computers such as in a hive of computers
US7379959B2 (en) 2002-09-07 2008-05-27 Appistry, Inc. Processing information using a hive of computing engines including request handlers and process handlers
EP2348640B1 (de) * 2002-10-05 2020-07-15 QUALCOMM Incorporated Systematische kodierung von kettenreaktionskoden
US20040199669A1 (en) * 2003-04-04 2004-10-07 Riggs Nicholas Dale Apparatus and method for efficiently and securely transferring files over a communications network
US6734811B1 (en) * 2003-05-21 2004-05-11 Apple Computer, Inc. Single-ended balance-coded interface with embedded-timing
CN101834610B (zh) * 2003-10-06 2013-01-30 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和装置
US7447235B2 (en) * 2003-10-08 2008-11-04 Digital Fountain, Inc. FEC-based reliability control protocols
EP1673690B1 (de) * 2003-10-14 2010-08-25 Panasonic Corporation Datenumsetzer
US7458003B2 (en) * 2003-12-01 2008-11-25 Qualcomm Incorporated Low-complexity, capacity-achieving code for communication systems
EP1743431A4 (de) * 2004-05-07 2007-05-02 Digital Fountain Inc Dateiherunterlade- und -streamingsystem
US7721184B2 (en) * 2004-08-11 2010-05-18 Digital Fountain, Inc. Method and apparatus for fast encoding of data symbols according to half-weight codes
US7533324B2 (en) * 2004-09-22 2009-05-12 Kencast, Inc. System, method and apparatus for FEC encoding and decoding
US7502382B1 (en) * 2004-09-30 2009-03-10 Itt Manufacturing Enterprises, Inc. Method and apparatus for multicast packet distribution in a satellite constellation network
US8270901B2 (en) 2004-12-17 2012-09-18 Martin E. Hellman Dropout-resistant media broadcasting system
US7865917B2 (en) * 2004-12-17 2011-01-04 Martin E Hellman Security enhanced tiered subscription broadcast system
US8627354B2 (en) 2004-12-17 2014-01-07 Martin E. Hellman Tiered subscription broadcast system
US7739580B1 (en) * 2005-02-17 2010-06-15 Kencast, Inc. System, method and apparatus for reducing blockage losses on information distribution networks
JP4596958B2 (ja) * 2005-04-01 2010-12-15 株式会社エヌ・ティ・ティ・ドコモ 無線通信装置及び無線通信方法
US20060265511A1 (en) * 2005-05-20 2006-11-23 Riggs Nicholas D Apparatus and method for efficiently and securely transferring files over a communications network
US7840178B2 (en) * 2005-07-12 2010-11-23 Martin E. Hellman FM broadcast system competitive with satellite radio
US8223643B1 (en) 2005-09-06 2012-07-17 Kencast, Inc. Method for packet-level FEC encoding a stream of source packets using shifted interleaving
JP4546387B2 (ja) * 2005-11-17 2010-09-15 富士通株式会社 バックアップシステム、方法及びプログラム
US20070165847A1 (en) * 2006-01-18 2007-07-19 Langin-Hooper Jerry J Defined-distribution pseudo-random number generator
JP4718340B2 (ja) * 2006-02-02 2011-07-06 富士通株式会社 ストレージシステム、制御方法及びプログラム
JP5550834B2 (ja) 2006-02-13 2014-07-16 デジタル ファウンテン， インコーポレイテッド 可変ｆｅｃオーバヘッド及び保護期間を利用したストリーミング及びバッファリング
EP1980074A4 (de) 2006-02-13 2012-12-19 Digital Fountain Inc Kontinuierliche vorwärtsfehlerkorrektur-übertragung mit summierung paralleler datenströme zur berechnung der vorwärtsfehlerkorrektur
US9270414B2 (en) 2006-02-21 2016-02-23 Digital Fountain, Inc. Multiple-field based code generator and decoder for communications systems
US7979771B2 (en) * 2006-04-04 2011-07-12 Permabit Technology Corporation Erasure coding technique for scalable and fault tolerant storage system
US8051043B2 (en) 2006-05-05 2011-11-01 Hybir Inc. Group based complete and incremental computer file backup system, process and apparatus
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
US20070276951A1 (en) * 2006-05-25 2007-11-29 Nicholas Dale Riggs Apparatus and method for efficiently and securely transferring files over a communications network
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
US9209934B2 (en) 2006-06-09 2015-12-08 Qualcomm Incorporated Enhanced block-request streaming using cooperative parallel HTTP and forward error correction
US9178535B2 (en) 2006-06-09 2015-11-03 Digital Fountain, Inc. Dynamic stream interleaving and sub-stream based delivery
US9432433B2 (en) 2006-06-09 2016-08-30 Qualcomm Incorporated Enhanced block-request streaming system using signaling or block creation
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
US7924761B1 (en) 2006-09-28 2011-04-12 Rockwell Collins, Inc. Method and apparatus for multihop network FEC encoding
US8707139B2 (en) 2006-10-18 2014-04-22 Kencast, Inc. Systems, methods, apparatus, and computer program products for providing forward error correction with low latency
KR101373859B1 (ko) * 2007-02-16 2014-03-14 삼성전자주식회사 비동기 전송 모드에서 셀 트래픽 처리 방법 및 장치
US20080205229A1 (en) * 2007-02-26 2008-08-28 Yung-Chih Li Method of identifying optical disc
US7949778B2 (en) * 2007-03-27 2011-05-24 Kencast, Inc. Systems, methods, apparatus and computer program products for providing packet-level FEC with higher throughput using user datagram protocol (UDP)
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
EP2073419B1 (de) 2007-12-20 2011-10-26 Panasonic Corporation Steuerkanalsignalisierung über ein herkömmliches Signalisierungsfeld für Transportformat und Redundanzversion
US8442070B1 (en) * 2008-02-01 2013-05-14 Hobnob, Inc. Fractional threshold encoding and aggregation
US8418034B2 (en) * 2008-02-08 2013-04-09 Kencast, Inc. Systems, methods, apparatus and computer program products for highly reliable file delivery using compound and braided FEC encoding and decoding
US9100153B2 (en) * 2008-09-25 2015-08-04 The Royal Institution For The Advancement Of Learning/Mcgill University Methods and systems for improving iterative signal processing
US9281847B2 (en) 2009-02-27 2016-03-08 Qualcomm Incorporated Mobile reception of digital video broadcasting—terrestrial services
US9015564B2 (en) 2009-08-19 2015-04-21 Qualcomm Incorporated Content delivery system with allocation of source data and repair data among HTTP servers
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
US9136981B2 (en) 2010-03-03 2015-09-15 Qualcomm Incorporated Block aggregation of objects in a communication system
US9225961B2 (en) 2010-05-13 2015-12-29 Qualcomm Incorporated Frame packing for asymmetric stereo video
US9049497B2 (en) 2010-06-29 2015-06-02 Qualcomm Incorporated Signaling random access points for streaming video data
US8918533B2 (en) 2010-07-13 2014-12-23 Qualcomm Incorporated Video switching for streaming video data
US9185439B2 (en) 2010-07-15 2015-11-10 Qualcomm Incorporated Signaling data for multiplexing video components
US9596447B2 (en) 2010-07-21 2017-03-14 Qualcomm Incorporated Providing frame packing type information for video coding
US9456015B2 (en) 2010-08-10 2016-09-27 Qualcomm Incorporated Representation groups 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
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
KR101591238B1 (ko) 2011-11-01 2016-02-18 퀄컴 인코포레이티드 Ｈｔｔｐ 서버들 사이의 소스 데이터 및 리페어 데이터의 할당에 의한 컨텐츠 전달 시스템
US9294226B2 (en) 2012-03-26 2016-03-22 Qualcomm Incorporated Universal object delivery and template-based file delivery
US9413494B2 (en) 2013-01-17 2016-08-09 Qualcomm Incorporated FEC-based reliable transport control protocols for multipath streaming
US10771191B2 (en) 2018-03-09 2020-09-08 Kencast, Inc. System for highly reliable file delivery of using continuous FEC encoding/decoding
US20230039446A1 (en) * 2019-12-30 2023-02-09 Istanbul Medipol Universitesi Secure communication method

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365338A (en) * 1980-06-27 1982-12-21 Harris Corporation Technique for high rate digital transmission over a dynamic dispersive channel
JP2576776B2 (ja) 1993-11-10 1997-01-29 日本電気株式会社 パケット伝送方法・パケット伝送装置
US5432787A (en) 1994-03-24 1995-07-11 Loral Aerospace Corporation Packet data transmission system with adaptive data recovery method
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
WO1996034463A1 (en) 1995-04-27 1996-10-31 Trustees Of The Stevens Institute Of Technology High integrity transport for time critical multimedia networking applications
US5805825A (en) 1995-07-26 1998-09-08 Intel Corporation Method for semi-reliable, unidirectional broadcast information services
US5983383A (en) 1997-01-17 1999-11-09 Qualcom Incorporated Method and apparatus for transmitting and receiving concatenated code data
EP0854650A3 (de) 1997-01-17 2001-05-02 NOKIA TECHNOLOGY GmbH Verfahren zur Adressierung eines Dienstes in einem digitalen Videorundfunksystem
US6178536B1 (en) 1997-08-14 2001-01-23 International Business Machines Corporation Coding scheme for file backup and systems based thereon
US6195777B1 (en) 1997-11-06 2001-02-27 Compaq Computer Corporation Loss resilient code with double heavy tailed series of redundant layers
US6163870A (en) 1997-11-06 2000-12-19 Compaq Computer Corporation Message encoding with irregular graphing
US6081918A (en) 1997-11-06 2000-06-27 Spielman; Daniel A. Loss resilient code with cascading series of redundant layers
US6073250A (en) * 1997-11-06 2000-06-06 Luby; Michael G. Loss resilient decoding technique
US6081909A (en) * 1997-11-06 2000-06-27 Digital Equipment Corporation Irregularly graphed encoding technique
US6307487B1 (en) * 1998-09-23 2001-10-23 Digital Fountain, Inc. Information additive code generator and decoder for communication systems
US6320520B1 (en) 1998-09-23 2001-11-20 Digital Fountain Information additive group code generator and decoder for communications systems
JP3451221B2 (ja) * 1999-07-22 2003-09-29 日本無線株式会社 誤り訂正符号化装置、方法及び媒体、並びに誤り訂正符号復号装置、方法及び媒体
US6453440B1 (en) * 1999-08-04 2002-09-17 Sun Microsystems, Inc. System and method for detecting double-bit errors and for correcting errors due to component failures

Also Published As

Publication number Publication date
WO2001020786A1 (en) 2001-03-22
IL144594A (en) 2007-08-19
AU1188401A (en) 2001-04-17
DE60029601T2 (de) 2007-07-19
CA2359534C (en) 2011-04-19
US6320520B1 (en) 2001-11-20
WO2001020786A8 (en) 2001-04-26
CA2359534A1 (en) 2001-03-22
WO2001020786A9 (en) 2002-11-21
EP1214793A1 (de) 2002-06-19
JP2001189665A (ja) 2001-07-10
JP4680359B2 (ja) 2011-05-11
ATE334507T1 (de) 2006-08-15
IL144594A0 (en) 2002-05-23
AU781130B2 (en) 2005-05-05
EP1214793B1 (de) 2006-07-26
EP1214793B9 (de) 2006-10-18
KR20010113762A (ko) 2001-12-28

Similar Documents

Publication Publication Date Title
DE60029601D1 (de) Gruppenkettenreaktionskodierer mit variabler anzahl zugeordneter eingabedaten für jeden ausgaben gruppenkode
ATE441251T1 (de) Verfahren und system zum übertragen und empfangen von information mit einem kettenreaktionscode
ATE269605T1 (de) Entropiekodierung von variabler zu variabler länge
JP2002335160A5 (de)
WO2005055016A3 (en) Protection of data from erasures using subsymbol based codes
EP2315357A3 (de) Mehrfach Code Generator und Dekodierer für Kommunikationssysteme
BR8500200A (pt) Processos para codificar palavras de informacao de n-bits e para decodificar palavras de codigo de m-bits e aparelhos para a sua realizacao
CA2171886A1 (en) Bar Code Encoding System Using Four-State Codes
KR960015195A (ko) 트리 구조 이원 연산 코딩 장치
KR960002028A (ko) 프라이어리티, 인코더
KR920701786A (ko) 절대치 인코우더
DE58909443D1 (de) Verfahren zur redundanzsparenden, fehlerkorrigierenden Codierung in Digital-Richtfunksystemen mit mehrstufiger Modulation.
KR960027381A (ko) 비터비 복호기의 가지 메트릭 모듈
Hellman On using natural redundancy for error detection
KR100547832B1 (ko) 통신시스템의 채널 부호화 및 복호화 장치
KR100312226B1 (ko) 롬 테이블을 이용한 컨벌루션 인코더
Schweikert et al. A convolutional single-parity-check concatenated coding scheme for high-data-rate applications
Klenov et al. Multi-parameter Efficiency Criterion for Information Channel Models with High Information Reliability
KR960038906A (ko) 데이타 복호방법
Hajirasouliha Application of Weighted Coding in Wireless Networks
JPH04315270A (ja) 符号化装置
KR970022702A (ko) 병렬 사이클릭 리던던시 체크(crc) 엔코더
DE60214026D1 (de) Ovsf-codeerzeugung
Blinovsky et al. Channel with Defects
KR930020406A (ko) 변조 방법 및 복조 방법과 변조 장치 및 복조 장치

Legal Events

Date Code Title Description
8364 No opposition during term of opposition