FI107484B - Menetelmä ja järjestely konvoluutiodekoodauksen toteuttamiseksi - Google Patents

Menetelmä ja järjestely konvoluutiodekoodauksen toteuttamiseksi Download PDF

Info

Publication number
FI107484B
FI107484B FI991159A FI991159A FI107484B FI 107484 B FI107484 B FI 107484B FI 991159 A FI991159 A FI 991159A FI 991159 A FI991159 A FI 991159A FI 107484 B FI107484 B FI 107484B
Authority
FI
Finland
Prior art keywords
neuron
neurons
inputs
network
output
Prior art date
Application number
FI991159A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI991159A0 (fi
FI991159A (fi
Inventor
Jukka Henriksson
Ari Haemaelaeinen
Original Assignee
Nokia Mobile Phones 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
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI991159A priority Critical patent/FI107484B/fi
Publication of FI991159A0 publication Critical patent/FI991159A0/fi
Priority to EP00927303A priority patent/EP1198892B1/de
Priority to DE60040338T priority patent/DE60040338D1/de
Priority to AU45736/00A priority patent/AU4573600A/en
Priority to PCT/FI2000/000457 priority patent/WO2000072449A1/en
Priority to US09/573,693 priority patent/US6578172B1/en
Publication of FI991159A publication Critical patent/FI991159A/fi
Application granted granted Critical
Publication of FI107484B publication Critical patent/FI107484B/fi

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
    • H03M13/3746—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
    • H03M13/03—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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/45—Soft decoding, i.e. using symbol reliability information
    • 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
    • H03M13/65—Purpose and implementation aspects
    • H03M13/6597—Implementations using analogue techniques for coding or decoding, e.g. analogue Viterbi decoder

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
FI991159A 1999-05-21 1999-05-21 Menetelmä ja järjestely konvoluutiodekoodauksen toteuttamiseksi FI107484B (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI991159A FI107484B (fi) 1999-05-21 1999-05-21 Menetelmä ja järjestely konvoluutiodekoodauksen toteuttamiseksi
EP00927303A EP1198892B1 (de) 1999-05-21 2000-05-19 Verfahren und vorrichtung zur ausführung von faltungsdekodierung
DE60040338T DE60040338D1 (de) 1999-05-21 2000-05-19 Verfahren und vorrichtung zur ausführung von faltungsdekodierung
AU45736/00A AU4573600A (en) 1999-05-21 2000-05-19 Method and arrangement for implementing convolutional decoding
PCT/FI2000/000457 WO2000072449A1 (en) 1999-05-21 2000-05-19 Method and arrangement for implementing convolutional decoding
US09/573,693 US6578172B1 (en) 1999-05-21 2000-05-19 Method and arrangement for implementing convolutional decoding

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI991159A FI107484B (fi) 1999-05-21 1999-05-21 Menetelmä ja järjestely konvoluutiodekoodauksen toteuttamiseksi
FI991159 1999-05-21

Publications (3)

Publication Number Publication Date
FI991159A0 FI991159A0 (fi) 1999-05-21
FI991159A FI991159A (fi) 2000-11-22
FI107484B true FI107484B (fi) 2001-08-15

Family

ID=8554707

Family Applications (1)

Application Number Title Priority Date Filing Date
FI991159A FI107484B (fi) 1999-05-21 1999-05-21 Menetelmä ja järjestely konvoluutiodekoodauksen toteuttamiseksi

Country Status (6)

Country Link
US (1) US6578172B1 (de)
EP (1) EP1198892B1 (de)
AU (1) AU4573600A (de)
DE (1) DE60040338D1 (de)
FI (1) FI107484B (de)
WO (1) WO2000072449A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3449339B2 (ja) * 2000-06-08 2003-09-22 日本電気株式会社 復号化装置および復号化方法
GB2398976B (en) * 2003-02-28 2006-03-08 Samsung Electronics Co Ltd Neural network decoder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4885757A (en) * 1987-06-01 1989-12-05 Texas Instruments Incorporated Digital adaptive receiver employing maximum-likelihood sequence estimation with neural networks
FR2646575A1 (fr) * 1989-04-26 1990-11-02 Labo Electronique Physique Procede et structure pour la compression de donnees
KR910017784A (ko) * 1990-03-28 1991-11-05 정호선 디코더회로
US5293453A (en) * 1990-06-07 1994-03-08 Texas Instruments Incorporated Error control codeword generating system and method based on a neural network
KR920009094B1 (ko) * 1990-06-27 1992-10-13 정호선 신경회로망을 이용한 에러정정회로
US5268684A (en) * 1992-01-07 1993-12-07 Ricoh Corporation Apparatus for a neural network one-out-of-N encoder/decoder
US5632006A (en) * 1992-03-02 1997-05-20 Motorola, Inc. Circuit and method of error correcting with an artificial neural network
US5548684A (en) * 1994-04-22 1996-08-20 Georgia Tech Research Corporation Artificial neural network viterbi decoding system and method
US5764858A (en) * 1995-09-14 1998-06-09 University Of Southern California One-dimensional signal processor with optimized solution capability
FI107767B (fi) * 1998-05-26 2001-09-28 Nokia Mobile Phones Ltd Menetelmä ja järjestely konvoluutiodekoodauksen toteuttamiseksi

Also Published As

Publication number Publication date
EP1198892A1 (de) 2002-04-24
AU4573600A (en) 2000-12-12
DE60040338D1 (de) 2008-11-06
WO2000072449A1 (en) 2000-11-30
EP1198892B1 (de) 2008-09-24
FI991159A0 (fi) 1999-05-21
FI991159A (fi) 2000-11-22
US6578172B1 (en) 2003-06-10

Similar Documents

Publication Publication Date Title
US8085883B2 (en) Method and apparatus for delayed recursion decoder
US7653868B2 (en) Method and apparatus for precomputation and pipelined selection of branch metrics in a reduced state Viterbi detector
KR19990013737A (ko) 결합된 비터비 복호기 및 결정 피드백 등화기
US20070189424A1 (en) Method and apparatus for reduced-state viterbi detection in a read channel of a magnetic recording system
ITTO950114A1 (it) Procedimento per la ricezione di segnali affetti da interferenza inter simbolica e relativo dispositivo.
JPH07221655A (ja) 通信システムおよび情報処理方法
US5905743A (en) Apparatus, methods and computer program products for sequential maximum likelihood estimating communications signals using whitening path metrics
US7103107B2 (en) Demodulator, receiver, and communication system
US5014275A (en) Sequential decoder
US5454014A (en) Digital signal processor
US20060056503A1 (en) Pipelined parallel decision feedback decoders for high-speed communication systems
US6961392B2 (en) Joint equalization and decoding using a search-based decoding algorithm
FI107767B (fi) Menetelmä ja järjestely konvoluutiodekoodauksen toteuttamiseksi
KR100957176B1 (ko) 수신된 상보 코드 키(cck) 인코드된 심볼(칩)을 디코드하기 위한 시스템 및 방법과, 통신 채널을 통해 통신되는 심볼들을 수신하기 위한 수신기 디바이스
FI107484B (fi) Menetelmä ja järjestely konvoluutiodekoodauksen toteuttamiseksi
KR101212856B1 (ko) 통신 시스템에서 데이터를 복호하는 방법 및 장치
US7653154B2 (en) Method and apparatus for precomputation and pipelined selection of intersymbol interference estimates in a reduced-state Viterbi detector
CN110710113B (zh) 序列检测器中的路径度量单元及路径度量的方法
Hamalainen et al. Novel use of channel information in a neural convolutional decoder
JP5586504B2 (ja) 復号装置
US20030194025A1 (en) Viterbi decoder and method using sequential two-way add-compare-select operations
US7372922B2 (en) RSSE optimization using hardware acceleration
Thune et al. Power Efficient 4D-8PSK Trellis Coded Modulation (TCM) Decoder for Wireless Application
Schuh et al. Low complexity decoding for punctured trellis-coded modulation over intersymbol interference channels
JPH02215232A (ja) ビタビ復号器

Legal Events

Date Code Title Description
MA Patent expired