DE60001878T2 - System zur Trelliscodierten Modulation - Google Patents

System zur Trelliscodierten Modulation

Info

Publication number
DE60001878T2
DE60001878T2 DE60001878T DE60001878T DE60001878T2 DE 60001878 T2 DE60001878 T2 DE 60001878T2 DE 60001878 T DE60001878 T DE 60001878T DE 60001878 T DE60001878 T DE 60001878T DE 60001878 T2 DE60001878 T2 DE 60001878T2
Authority
DE
Germany
Prior art keywords
modem
coders
convolutional
bit
modulation system
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
DE60001878T
Other languages
English (en)
Other versions
DE60001878D1 (de
Inventor
Alan Gatherer
Murtaza Ali
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of DE60001878D1 publication Critical patent/DE60001878D1/de
Application granted granted Critical
Publication of DE60001878T2 publication Critical patent/DE60001878T2/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
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • H03M13/256—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM] with trellis coding, e.g. with convolutional codes and TCM
    • 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
    • H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory 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
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
  • Dc Digital Transmission (AREA)
  • Communication Control (AREA)
  • Communication Cables (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DE60001878T 1999-06-30 2000-06-16 System zur Trelliscodierten Modulation Expired - Lifetime DE60001878T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/345,054 US6549584B1 (en) 1999-06-30 1999-06-30 Coding scheme for cable modems

Publications (2)

Publication Number Publication Date
DE60001878D1 DE60001878D1 (de) 2003-05-08
DE60001878T2 true DE60001878T2 (de) 2003-12-18

Family

ID=23353285

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60001878T Expired - Lifetime DE60001878T2 (de) 1999-06-30 2000-06-16 System zur Trelliscodierten Modulation

Country Status (7)

Country Link
US (1) US6549584B1 (de)
EP (1) EP1065790B1 (de)
JP (1) JP2001045086A (de)
AT (1) ATE236476T1 (de)
DE (1) DE60001878T2 (de)
IL (1) IL135510A0 (de)
TW (1) TW519795B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6724814B1 (en) 1999-06-24 2004-04-20 Intel Corporation Pad and CODEC detection
US6721357B1 (en) * 1999-06-24 2004-04-13 Intel Corporation Constellation generation and re-evaluation
US7366470B1 (en) 1999-06-24 2008-04-29 Intel Corporation Inter-modulation distortion compensation
US6721363B1 (en) * 1999-06-24 2004-04-13 Intel Corporation Receiver CODEC super set constellation generator
US7339996B2 (en) 1999-06-24 2008-03-04 Intel Corporation Receiver codec super set constellation generator
US7143013B2 (en) * 1999-11-04 2006-11-28 Verticalband, Limited Reliable symbols as a means of improving the performance of information transmission systems
US7110923B2 (en) * 1999-11-04 2006-09-19 Verticalband, Limited Fast, blind equalization techniques using reliable symbols
US7085691B2 (en) * 1999-11-04 2006-08-01 Verticalband, Limited Reliable symbols as a means of improving the performance of information transmission systems
KR100672400B1 (ko) * 2000-11-20 2007-01-23 엘지전자 주식회사 케이블 모뎀의 컨피그레이션 파일 다운로드 장치 및 방법
US7065151B2 (en) * 2000-12-21 2006-06-20 Agere Systems Inc. Channel optimization system
GB2373690A (en) * 2001-03-23 2002-09-25 Mitel Corp Encoding of DMT communications
US7602816B2 (en) * 2003-01-13 2009-10-13 Broadcom Corporation Systems and methods for serial packet synchronization in a voice processing system
US7613985B2 (en) * 2003-10-24 2009-11-03 Ikanos Communications, Inc. Hierarchical trellis coded modulation
CN101043484A (zh) * 2006-03-20 2007-09-26 松下电器产业株式会社 一种非均等的多用户高阶调制方法
US8166379B1 (en) * 2006-11-03 2012-04-24 Marvell International Ltd. Calculating soft information from a multi-level modulation signal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5233629A (en) 1991-07-26 1993-08-03 General Instrument Corporation Method and apparatus for communicating digital data using trellis coded qam
US5396518A (en) * 1993-05-05 1995-03-07 Gi Corporation Apparatus and method for communicating digital data using trellis coding with punctured convolutional codes
US5511082A (en) 1994-05-10 1996-04-23 General Instrument Corporation Of Delaware Punctured convolutional encoder
JPH11513211A (ja) * 1996-06-26 1999-11-09 コーニンクレッカ、フィリップス、エレクトロニクス、エヌ．ヴィ． レートコンパティブルなパンクチャリングされた畳み込み符号を用いるトレリス符号化ｑａｍ
US6269129B1 (en) * 1998-04-24 2001-07-31 Lsi Logic Corporation 64/256 quadrature amplitude modulation trellis coded modulation decoder
US6351832B1 (en) * 1999-05-28 2002-02-26 Lucent Technologies Inc. Turbo code symbol interleaver

Also Published As

Publication number Publication date
DE60001878D1 (de) 2003-05-08
EP1065790B1 (de) 2003-04-02
JP2001045086A (ja) 2001-02-16
TW519795B (en) 2003-02-01
IL135510A0 (en) 2001-05-20
EP1065790A1 (de) 2001-01-03
ATE236476T1 (de) 2003-04-15
US6549584B1 (en) 2003-04-15

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Legal Events

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8364 No opposition during term of opposition