ATE476016T1 - Speicherarchitektur für map dekoder - Google Patents

Speicherarchitektur für map dekoder

Info

Publication number
ATE476016T1
ATE476016T1 AT99942209T AT99942209T ATE476016T1 AT E476016 T1 ATE476016 T1 AT E476016T1 AT 99942209 T AT99942209 T AT 99942209T AT 99942209 T AT99942209 T AT 99942209T AT E476016 T1 ATE476016 T1 AT E476016T1
Authority
AT
Austria
Prior art keywords
state metric
symbol estimates
window
memory architecture
ram
Prior art date
Application number
AT99942209T
Other languages
German (de)
English (en)
Inventor
Steven Halter
Original Assignee
Qualcomm 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
Priority claimed from US09/259,665 external-priority patent/US6381728B1/en
Priority claimed from US09/283,013 external-priority patent/US6434203B1/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE476016T1 publication Critical patent/ATE476016T1/de

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
    • 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2957—Turbo codes and 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
    • H03M13/37—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
    • H03M13/3972—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using sliding window techniques or parallel windows
    • 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
    • H03M13/6566—Implementations concerning memory access contentions

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Dram (AREA)
  • Detection And Correction Of Errors (AREA)
  • Static Random-Access Memory (AREA)
  • Navigation (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
AT99942209T 1998-08-14 1999-08-13 Speicherarchitektur für map dekoder ATE476016T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US9648998P 1998-08-14 1998-08-14
US09/259,665 US6381728B1 (en) 1998-08-14 1999-02-26 Partitioned interleaver memory for map decoder
US09/283,013 US6434203B1 (en) 1999-02-26 1999-03-31 Memory architecture for map decoder
PCT/US1999/018550 WO2000010254A1 (en) 1998-08-14 1999-08-13 Memory architecture for map decoder

Publications (1)

Publication Number Publication Date
ATE476016T1 true ATE476016T1 (de) 2010-08-15

Family

ID=27378195

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99942209T ATE476016T1 (de) 1998-08-14 1999-08-13 Speicherarchitektur für map dekoder

Country Status (12)

Country Link
EP (1) EP1118158B1 (https=)
JP (2) JP4405676B2 (https=)
CN (1) CN1211931C (https=)
AT (1) ATE476016T1 (https=)
AU (1) AU766116B2 (https=)
BR (1) BR9912990B1 (https=)
CA (1) CA2340366C (https=)
DE (1) DE69942634D1 (https=)
ES (1) ES2347309T3 (https=)
HK (1) HK1040842B (https=)
ID (1) ID28538A (https=)
WO (1) WO2000010254A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3450788B2 (ja) * 2000-03-06 2003-09-29 松下電器産業株式会社 復号化装置および復号化処理方法
DE10012873A1 (de) 2000-03-16 2001-09-27 Infineon Technologies Ag Optimierter Turbo-Decodierer
FI109162B (fi) 2000-06-30 2002-05-31 Nokia Corp Menetelmä ja järjestely konvoluutiokoodatun koodisanan dekoodaamiseksi
US6662331B1 (en) * 2000-10-27 2003-12-09 Qualcomm Inc. Space-efficient turbo decoder
JP4090996B2 (ja) * 2001-12-28 2008-05-28 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 データウィンドウを使用するデータ復号方法
WO2004028004A2 (en) * 2002-09-18 2004-04-01 Koninklijke Philips Electronics N.V. Method for decoding data using windows of data
US7702968B2 (en) * 2004-02-27 2010-04-20 Qualcomm Incorporated Efficient multi-symbol deinterleaver
CN102571107B (zh) * 2010-12-15 2014-09-17 展讯通信（上海）有限公司 LTE系统中高速并行Turbo码的解码系统及方法
US9128888B2 (en) * 2012-08-30 2015-09-08 Intel Deutschland Gmbh Method and apparatus for turbo decoder memory collision resolution
US10014026B1 (en) * 2017-06-20 2018-07-03 Seagate Technology Llc Head delay calibration and tracking in MSMR systems

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5862190A (en) * 1995-12-29 1999-01-19 Motorola, Inc. Method and apparatus for decoding an encoded signal

Also Published As

Publication number Publication date
CA2340366A1 (en) 2000-02-24
EP1118158A1 (en) 2001-07-25
JP4405676B2 (ja) 2010-01-27
JP2002523914A (ja) 2002-07-30
HK1040842A1 (en) 2002-06-21
CN1323462A (zh) 2001-11-21
AU5563899A (en) 2000-03-06
EP1118158B1 (en) 2010-07-28
JP2010016861A (ja) 2010-01-21
ES2347309T3 (es) 2010-10-27
ID28538A (id) 2001-05-31
HK1040842B (zh) 2005-12-30
JP5129216B2 (ja) 2013-01-30
CN1211931C (zh) 2005-07-20
CA2340366C (en) 2008-08-05
WO2000010254A1 (en) 2000-02-24
BR9912990A (pt) 2001-12-11
DE69942634D1 (de) 2010-09-09
BR9912990B1 (pt) 2012-10-02
AU766116B2 (en) 2003-10-09

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