DE60102261D1 - MAP Decodierer mit Korrekurfunktion in der LOG-MAX Approximation - Google Patents

MAP Decodierer mit Korrekurfunktion in der LOG-MAX Approximation

Info

Publication number
DE60102261D1
DE60102261D1 DE60102261T DE60102261T DE60102261D1 DE 60102261 D1 DE60102261 D1 DE 60102261D1 DE 60102261 T DE60102261 T DE 60102261T DE 60102261 T DE60102261 T DE 60102261T DE 60102261 D1 DE60102261 D1 DE 60102261D1
Authority
DE
Germany
Prior art keywords
log
correction function
map decoder
max approximation
approximation
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
DE60102261T
Other languages
English (en)
Inventor
Toshiyuki Miyauchi
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE60102261D1 publication Critical patent/DE60102261D1/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
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/3905—Maximum a posteriori probability [MAP] decoding or approximations thereof based on trellis or lattice decoding, e.g. forward-backward algorithm, log-MAP decoding, max-log-MAP decoding
    • H03M13/3911—Correction factor, e.g. approximations of the exp(1+x) function

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
DE60102261T 2000-06-08 2001-06-07 MAP Decodierer mit Korrekurfunktion in der LOG-MAX Approximation Expired - Lifetime DE60102261D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000172681A JP2001352258A (ja) 2000-06-08 2000-06-08 復号装置及び復号方法

Publications (1)

Publication Number Publication Date
DE60102261D1 true DE60102261D1 (de) 2004-04-15

Family

ID=18675040

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60102261T Expired - Lifetime DE60102261D1 (de) 2000-06-08 2001-06-07 MAP Decodierer mit Korrekurfunktion in der LOG-MAX Approximation

Country Status (4)

Country Link
US (1) US6993703B2 (de)
EP (1) EP1162750B1 (de)
JP (1) JP2001352258A (de)
DE (1) DE60102261D1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7137059B2 (en) * 2002-11-20 2006-11-14 Broadcom Corporation Single stage implementation of min*, max*, min and /or max to perform state metric calculation in SISO decoder
KR100487183B1 (ko) * 2002-07-19 2005-05-03 삼성전자주식회사 터보 부호의 복호 장치 및 방법
KR20050042869A (ko) * 2003-11-04 2005-05-11 삼성전자주식회사 구현이 간단한 ｍａｐ디코더 및 그의 디코딩 방법
GB2408901B (en) * 2003-12-05 2006-07-12 Motorola Inc A decoder for a wireless communication device
US7454333B2 (en) * 2004-09-13 2008-11-18 Mitsubishi Electric Research Lab, Inc. Separating multiple audio signals recorded as a single mixed signal
US7555071B2 (en) * 2005-09-29 2009-06-30 Agere Systems Inc. Method and apparatus for non-linear scaling of log likelihood ratio (LLR) values in a decoder
JP4152410B2 (ja) * 2005-12-20 2008-09-17 Ｎｅｃエレクトロニクス株式会社 演算回路
EP1821415B1 (de) * 2006-02-16 2009-03-11 Telefonaktiebolaget L M Ericsson (Publ) Hybride Dekodierung unter Benutzung mehrerer paralleler Turbo-Dekoder
US8194760B2 (en) 2006-06-01 2012-06-05 Ntt Docomo, Inc. Method and apparatus for distributed space-time coding in wireless radio networks
JP4765863B2 (ja) * 2006-09-20 2011-09-07 日本電気株式会社 復号器及びその復号方法
US8027407B2 (en) 2006-11-06 2011-09-27 Ntt Docomo, Inc. Method and apparatus for asynchronous space-time coded transmission from multiple base stations over wireless radio networks
US8059732B2 (en) 2006-11-28 2011-11-15 Ntt Docomo, Inc. Method and apparatus for wideband transmission from multiple non-collocated base stations over wireless radio networks
US8861356B2 (en) 2007-03-13 2014-10-14 Ntt Docomo, Inc. Method and apparatus for prioritized information delivery with network coding over time-varying network topologies
US8064548B2 (en) * 2007-05-18 2011-11-22 Ntt Docomo, Inc. Adaptive MaxLogMAP-type receiver structures
US8325840B2 (en) 2008-02-25 2012-12-04 Ntt Docomo, Inc. Tree position adaptive soft output M-algorithm receiver structures
US8279954B2 (en) 2008-03-06 2012-10-02 Ntt Docomo, Inc. Adaptive forward-backward soft output M-algorithm receiver structures
US8565329B2 (en) 2008-06-03 2013-10-22 Ntt Docomo, Inc. Soft output M-algorithm receiver structures with generalized survivor selection criteria for MIMO systems
US8451951B2 (en) 2008-08-15 2013-05-28 Ntt Docomo, Inc. Channel classification and rate adaptation for SU-MIMO systems
US8705484B2 (en) 2008-08-15 2014-04-22 Ntt Docomo, Inc. Method for varying transmit power patterns in a multi-cell environment
US8542640B2 (en) 2008-08-28 2013-09-24 Ntt Docomo, Inc. Inter-cell approach to operating wireless beam-forming and user selection/scheduling in multi-cell environments based on limited signaling between patterns of subsets of cells
US8855221B2 (en) 2008-09-15 2014-10-07 Ntt Docomo, Inc. Method and apparatus for iterative receiver structures for OFDM/MIMO systems with bit interleaved coded modulation
US9048977B2 (en) 2009-05-05 2015-06-02 Ntt Docomo, Inc. Receiver terminal driven joint encoder and decoder mode adaptation for SU-MIMO systems
US8514961B2 (en) 2010-02-04 2013-08-20 Ntt Docomo, Inc. Method and apparatus for distributed space-time coding in wireless radio networks
RU2010152794A (ru) * 2010-12-24 2012-06-27 ЭлЭсАй Корпорейшн (US) Способ и устройство (варианты) для вычисления операции логарифма якоби
JP5991580B2 (ja) * 2012-08-01 2016-09-14 Ｎｅｃエンジニアリング株式会社 ターボ復号器、それに用いられる対数尤度比演算装置、ターボ復号方法、対数尤度比演算方法、ターボ復号プログラム及び対数尤度比演算プログラム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6393076B1 (en) * 2000-10-11 2002-05-21 Motorola, Inc. Decoding of turbo codes using data scaling

Also Published As

Publication number Publication date
EP1162750B1 (de) 2004-03-10
EP1162750A2 (de) 2001-12-12
US6993703B2 (en) 2006-01-31
EP1162750A3 (de) 2002-03-13
US20020040461A1 (en) 2002-04-04
JP2001352258A (ja) 2001-12-21

Similar Documents

Publication Publication Date Title
DE60102261D1 (de) MAP Decodierer mit Korrekurfunktion in der LOG-MAX Approximation
PT1043239E (pt) Recipiente com lados colapsaveis
DE60045464D1 (de) Kraftstoffzusammensetzung mit hydrokarbyl-substituierten polyoxyalkylenaminen
DE69916094D1 (de) Dispersionen mit verbesserter stabilität
PT1341791E (pt) Imidazoquinolinas substituidas com tioeter
DE60022162D1 (de) Topische zusammensetzung mit n-acetylglukosamin
DE60039157D1 (de) Baufahrzeug mit rädern
DE60126705D1 (de) Rafflamellenstore mit variabler Neigung
AR028098A1 (es) Bebida estable en el ambiente
DE60018813D1 (de) Reifen mit hervorragender Lenkungstabilität
DE60014662D1 (de) Verbesserungen in der schadstoffausstossregelung
DE60101168D1 (de) PTC Verbundwerkstoff
DE60118022D1 (de) Sprengen im bohrloch
DE69921210D1 (de) Verbesserungen in Reifen
DE60022254T2 (de) Verbesserungen in Reifen
DE60143148D1 (de) En mit honigwaben
IS7140A (is) Endurbætur við eða í sambandi við hjúpun
DE69914958D1 (de) Reifen mit verzahnung in der wulstoberfläche
ATA20462000A (de) Rettungstunnel im tunnel
DE60025194D1 (de) Fluorierung in flüssigem kohlendioxid
ID25567A (id) Ulir-jepit dengan bahu-puntir
DE50015441D1 (de) Fadenliefergerät mit verstellbarer fadenleiteinrichtung
NO20021087D0 (no) Hengslet deksel til bruk i veier o.l.
DE60008344D1 (de) Kautschukzusammensetzungen mit Silica-Formamide Komplex
ATA9712000A (de) Mehrkammertank

Legal Events

Date Code Title Description
8332 No legal effect for de