DE60024261D1 - Soft-Normalisierer für einen Kanaldekoder - Google Patents

Soft-Normalisierer für einen Kanaldekoder

Info

Publication number
DE60024261D1
DE60024261D1 DE60024261T DE60024261T DE60024261D1 DE 60024261 D1 DE60024261 D1 DE 60024261D1 DE 60024261 T DE60024261 T DE 60024261T DE 60024261 T DE60024261 T DE 60024261T DE 60024261 D1 DE60024261 D1 DE 60024261D1
Authority
DE
Germany
Prior art keywords
soft
signal values
values
channel decoder
normalizer
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
DE60024261T
Other languages
English (en)
Other versions
DE60024261T2 (de
Inventor
Jens-Uwe Juergensen
Richard Stirling-Gallacher
Zhaocheng Wang
Taku Nagase
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 Deutschland GmbH
Sony Corp
Original Assignee
Sony Deutschland GmbH
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 Deutschland GmbH, Sony Corp filed Critical Sony Deutschland GmbH
Publication of DE60024261D1 publication Critical patent/DE60024261D1/de
Application granted granted Critical
Publication of DE60024261T2 publication Critical patent/DE60024261T2/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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6325—Error control coding in combination with demodulation
    • 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
    • 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6337—Error control coding in combination with channel estimation
    • 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
    • H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
    • H03M13/658—Scaling by multiplication or division
    • 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
    • H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
    • H03M13/6591—Truncation, saturation and clamping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end

Landscapes

  • Engineering & Computer Science (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE60024261T 2000-08-28 2000-08-28 Soft-Normalisierer für einen Kanaldekoder Expired - Lifetime DE60024261T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00118619A EP1187344B1 (de) 2000-08-28 2000-08-28 Soft-Normalisierer für einen Kanaldekoder

Publications (2)

Publication Number Publication Date
DE60024261D1 true DE60024261D1 (de) 2005-12-29
DE60024261T2 DE60024261T2 (de) 2006-08-03

Family

ID=8169677

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60024261T Expired - Lifetime DE60024261T2 (de) 2000-08-28 2000-08-28 Soft-Normalisierer für einen Kanaldekoder

Country Status (7)

Country Link
US (1) US6973143B2 (de)
EP (1) EP1187344B1 (de)
JP (1) JP2002152295A (de)
KR (1) KR100733831B1 (de)
CN (1) CN1153483C (de)
AT (1) ATE311043T1 (de)
DE (1) DE60024261T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3624855B2 (ja) * 2001-05-22 2005-03-02 ソニー株式会社 正規化装置、方法、プログラムおよび該プログラムを記録した記録媒体ならびに通信端末装置
US7450631B2 (en) * 2001-10-26 2008-11-11 Intel Corporation Metric correction for multi user detection, for long codes DS-CDMA
KR100959425B1 (ko) * 2003-02-26 2010-05-26 콸콤 인코포레이티드 반복 디코딩을 위한 소프트 정보 스케일링
US20070234178A1 (en) * 2003-02-26 2007-10-04 Qualcomm Incorporated Soft information scaling for interactive decoding
US6986096B2 (en) * 2003-07-29 2006-01-10 Qualcomm, Incorporated Scaling and quantizing soft-decision metrics for decoding
KR101050615B1 (ko) * 2004-01-05 2011-07-19 삼성전자주식회사 연판정 복호기를 위한 입력범위 조절 장치 및 방법
US7515658B2 (en) 2004-06-29 2009-04-07 Stmicroelectronics Asia Pacific Pte. Ltd. Method to adaptively scale the input to a channel decoder
ATE472856T1 (de) * 2004-11-19 2010-07-15 Alcatel Lucent Empfängerssystem und -verfahren zur soft- dekodierung von punktierten faltungskoden
US20070047675A1 (en) * 2005-08-31 2007-03-01 Interdigital Technology Corporation Method and apparatus for scaling demodulated symbols for fixed point processing
CN101645724A (zh) * 2009-08-05 2010-02-10 深圳华为通信技术有限公司 译码性能优化方法、装置和移动终端
US7974369B2 (en) * 2009-10-30 2011-07-05 Lsi Corporation Phase detector for timing recovery loop
US8867673B2 (en) 2010-07-23 2014-10-21 Qualcomm Incorporated Selective quantization of decision metrics in wireless communication
CN102118224A (zh) * 2010-12-31 2011-07-06 上海高清数字科技产业有限公司 比特软值处理方法及装置
JP6123436B2 (ja) * 2013-04-04 2017-05-10 富士通株式会社 受信装置および復号方法
WO2015036008A1 (en) * 2013-09-10 2015-03-19 Huawei Technologies Co.,Ltd. A turbo decoder for decoding an input signal
CN109525250B (zh) * 2018-11-27 2023-01-17 湖南国科微电子股份有限公司 一种llr归一化实现方法、装置及电子设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61135234A (ja) * 1984-12-06 1986-06-23 Nec Corp 軟判定しきい値制御方式
JP2560873B2 (ja) * 1990-02-28 1996-12-04 日本ビクター株式会社 直交変換符号化復号化方法
JPH0629951A (ja) * 1992-07-06 1994-02-04 Fujitsu Ltd 軟判定器
US6081565A (en) * 1998-02-05 2000-06-27 Lucent Technologies Inc. Amplitude based coarse automatic gain control circuit
US6047035A (en) * 1998-06-15 2000-04-04 Dspc Israel Ltd. Method and device for quantizing the input to soft decoders

Also Published As

Publication number Publication date
KR100733831B1 (ko) 2007-07-02
EP1187344B1 (de) 2005-11-23
ATE311043T1 (de) 2005-12-15
CN1153483C (zh) 2004-06-09
JP2002152295A (ja) 2002-05-24
KR20020018045A (ko) 2002-03-07
US6973143B2 (en) 2005-12-06
US20020025008A1 (en) 2002-02-28
CN1347252A (zh) 2002-05-01
DE60024261T2 (de) 2006-08-03
EP1187344A1 (de) 2002-03-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: WITTE, WELLER & PARTNER, 70173 STUTTGART