GB2271489B - Processing of digital communication signals - Google Patents

Processing of digital communication signals

Info

Publication number
GB2271489B
GB2271489B GB9226484A GB9226484A GB2271489B GB 2271489 B GB2271489 B GB 2271489B GB 9226484 A GB9226484 A GB 9226484A GB 9226484 A GB9226484 A GB 9226484A GB 2271489 B GB2271489 B GB 2271489B
Authority
GB
United Kingdom
Prior art keywords
processing
communication signals
digital communication
digital
signals
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 - Fee Related
Application number
GB9226484A
Other versions
GB2271489A (en
GB9226484D0 (en
Inventor
David John Hoyle
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research Ltd
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
Priority claimed from GB929221080A external-priority patent/GB9221080D0/en
Priority claimed from GB929224310A external-priority patent/GB9224310D0/en
Application filed by Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Publication of GB9226484D0 publication Critical patent/GB9226484D0/en
Publication of GB2271489A publication Critical patent/GB2271489A/en
Application granted granted Critical
Publication of GB2271489B publication Critical patent/GB2271489B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03203—Trellis search techniques
    • H04L25/03235—Trellis search techniques with state-reduction using feedback filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03312—Arrangements specific to the provision of output signals
    • H04L25/03324—Provision of tentative decisions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
GB9226484A 1992-10-07 1992-12-18 Processing of digital communication signals Expired - Fee Related GB2271489B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB929221080A GB9221080D0 (en) 1992-10-07 1992-10-07 Augmented trellis encoded symbol equaliser/decoder
GB929223491A GB9223491D0 (en) 1992-10-07 1992-11-09 Multiple hypothesis decision feedback sequence estimator
GB929224310A GB9224310D0 (en) 1992-10-07 1992-11-16 Processing of digital communication signals

Publications (3)

Publication Number Publication Date
GB9226484D0 GB9226484D0 (en) 1993-02-10
GB2271489A GB2271489A (en) 1994-04-13
GB2271489B true GB2271489B (en) 1996-04-24

Family

ID=27266403

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9226484A Expired - Fee Related GB2271489B (en) 1992-10-07 1992-12-18 Processing of digital communication signals

Country Status (1)

Country Link
GB (1) GB2271489B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19529983A1 (en) * 1995-08-16 1997-02-20 Bosch Gmbh Robert Data decoder
DE19545473C2 (en) * 1995-12-06 1998-03-12 Kommunikations Elektronik Process for digital message transmission over an electrical cable

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2237166A (en) * 1989-10-02 1991-04-24 American Telephone & Telegraph Technique for achieving the full coding gain of encoded digital signals
US5111483A (en) * 1989-08-07 1992-05-05 Motorola, Inc. Trellis decoder
GB2252221A (en) * 1991-01-24 1992-07-29 Roke Manor Research An equaliser for a digital radio communication system.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111483A (en) * 1989-08-07 1992-05-05 Motorola, Inc. Trellis decoder
GB2237166A (en) * 1989-10-02 1991-04-24 American Telephone & Telegraph Technique for achieving the full coding gain of encoded digital signals
GB2252221A (en) * 1991-01-24 1992-07-29 Roke Manor Research An equaliser for a digital radio communication system.

Also Published As

Publication number Publication date
GB2271489A (en) 1994-04-13
GB9226484D0 (en) 1993-02-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20011218