DE69215726D1 - Mehrstufiger Dekodierer - Google Patents

Mehrstufiger Dekodierer

Info

Publication number
DE69215726D1
DE69215726D1 DE69215726T DE69215726T DE69215726D1 DE 69215726 D1 DE69215726 D1 DE 69215726D1 DE 69215726 T DE69215726 T DE 69215726T DE 69215726 T DE69215726 T DE 69215726T DE 69215726 D1 DE69215726 D1 DE 69215726D1
Authority
DE
Germany
Prior art keywords
stage decoder
decoder
stage
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
DE69215726T
Other languages
English (en)
Other versions
DE69215726T2 (de
Inventor
Khaled Fazel
Antoine Chouly
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.)
IPG Electronics 503 Ltd
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of DE69215726D1 publication Critical patent/DE69215726D1/de
Application granted granted Critical
Publication of DE69215726T2 publication Critical patent/DE69215726T2/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]
    • 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
    • H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • 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
    • H04L27/3438—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 using an underlying generalised cross constellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
DE69215726T 1991-03-29 1992-03-20 Mehrstufiger Dekodierer Expired - Lifetime DE69215726T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9103851A FR2674709A1 (fr) 1991-03-29 1991-03-29 Decodeur multietages.

Publications (2)

Publication Number Publication Date
DE69215726D1 true DE69215726D1 (de) 1997-01-23
DE69215726T2 DE69215726T2 (de) 1997-05-28

Family

ID=9411278

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69215726T Expired - Lifetime DE69215726T2 (de) 1991-03-29 1992-03-20 Mehrstufiger Dekodierer

Country Status (7)

Country Link
US (1) US5323424A (de)
EP (1) EP0506185B1 (de)
JP (1) JP3231384B2 (de)
KR (1) KR100247882B1 (de)
DE (1) DE69215726T2 (de)
FI (1) FI107768B (de)
FR (1) FR2674709A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5684834A (en) * 1993-06-14 1997-11-04 Paradyne Corporation Simultaneous analog and digital communication using fractional rate encoding
EP0677937B1 (de) * 1994-04-14 2001-02-28 Alcatel Verfahren zur Auslöschungserkennung in einem Mehrträgerdatenübertragungssystem
US5832041A (en) * 1994-10-21 1998-11-03 Philips Electronics North America Corporation 64 QAM signal constellation which is robust in the presence of phase noise and has decoding complexity
US5572262A (en) * 1994-12-29 1996-11-05 Philips Electronics North America Corporation Receiver based methods and devices for combating co-channel NTSC interference in digital transmission
JP3085361B2 (ja) * 1996-10-22 2000-09-04 日本電気株式会社 デジタル復調器における多段検波システム
EP0884879A3 (de) 1997-06-13 1999-03-17 Canon Kabushiki Kaisha QAM-Übertragung unter Verwendung von Spreizspektrumtechnik, und Folgeschätzung
FR2764751A1 (fr) * 1997-06-13 1998-12-18 Canon Kk Dispositif et procede de decodage d'informations codees
EP1236325A1 (de) * 1999-12-07 2002-09-04 Josef Dirr Digitales übertragungsverfahren für bandbreiten- und bitratenflexibilität
US7190732B2 (en) * 2000-04-06 2007-03-13 Lucent Technologies Inc. Multilevel coding with unequal error protection and time diversity for bandwidth efficient transmission
US6757654B1 (en) * 2000-05-11 2004-06-29 Telefonaktiebolaget Lm Ericsson Forward error correction in speech coding
FR2819655A1 (fr) * 2001-01-15 2002-07-19 Cit Alcatel Procede pour la transmission et la reception de signaux numeriques modules en phase et en amplitude a seize etats
US7298798B1 (en) * 2001-08-24 2007-11-20 Mediatek, Inc. Method and system for decoding block codes
JP2003152553A (ja) * 2001-11-13 2003-05-23 Ntt Docomo Inc 復号方法及び通信装置
CN103514938B (zh) * 2012-06-20 2016-02-10 中国科学院微电子研究所 一种多级选通装置
US8976904B2 (en) * 2012-09-28 2015-03-10 Intel Corporation Automated erasure slicer threshold control and modification of symbol estimates to be erased
US8923445B1 (en) * 2013-08-29 2014-12-30 L-3 Communications Corp. Complex symbol de-mapping using sectoring

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283682A (en) * 1979-04-06 1981-08-11 Ricoh Company, Ltd. Erasure zone decision feedback phase lock loop for carrier recovery in data modems
IT1211612B (it) * 1987-12-22 1989-11-03 Esercizio Delle Telecomunicazi Procedimento e dispositivo di decodifica con rivelazione di cancellature per sistemi di trasmissione multilivello
FI82863C (fi) * 1989-09-05 1991-04-25 Inoptics Oy Spektrometriskt foerfarande och spektrometer.

Also Published As

Publication number Publication date
FI107768B (fi) 2001-09-28
FR2674709A1 (fr) 1992-10-02
EP0506185B1 (de) 1996-12-11
US5323424A (en) 1994-06-21
JPH05114923A (ja) 1993-05-07
FI921357A (fi) 1992-09-30
JP3231384B2 (ja) 2001-11-19
EP0506185A1 (de) 1992-09-30
DE69215726T2 (de) 1997-05-28
KR100247882B1 (ko) 2000-03-15
FI921357A0 (fi) 1992-03-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8327 Change in the person/name/address of the patent owner

Owner name: IPG ELECTRONICS 503 LTD., ST. PETER PORT, GUER, GB

8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE BRESSEL UND PARTNER, 12489 BERLIN

R082 Change of representative

Ref document number: 506185

Country of ref document: EP

Representative=s name: PATENTANWAELTE BRESSEL UND PARTNER, DE