KR100740190B1 - 채널 신호로부터 수신된 신호의 검출 방법 및 장치 - Google Patents

채널 신호로부터 수신된 신호의 검출 방법 및 장치 Download PDF

Info

Publication number
KR100740190B1
KR100740190B1 KR1020000078565A KR20000078565A KR100740190B1 KR 100740190 B1 KR100740190 B1 KR 100740190B1 KR 1020000078565 A KR1020000078565 A KR 1020000078565A KR 20000078565 A KR20000078565 A KR 20000078565A KR 100740190 B1 KR100740190 B1 KR 100740190B1
Authority
KR
South Korea
Prior art keywords
signal
branch metric
generating
branch
merge
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 - Fee Related
Application number
KR1020000078565A
Other languages
English (en)
Korean (ko)
Other versions
KR20010085268A (ko
Inventor
알렉산더 크라브트첸코
마르텐 카부츠
브루노 페이타빈
Original Assignee
도이체 톰손-브란트 게엠베하
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 도이체 톰손-브란트 게엠베하 filed Critical 도이체 톰손-브란트 게엠베하
Publication of KR20010085268A publication Critical patent/KR20010085268A/ko
Application granted granted Critical
Publication of KR100740190B1 publication Critical patent/KR100740190B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • H03M13/6343—Error control coding in combination with techniques for partial response channels, e.g. recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • H03M13/3961—Arrangements of methods for branch or transition metric calculation
    • 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
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • 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
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H03M13/4107—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing add, compare, select [ACS] operations
    • 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
    • H03M13/6502—Reduction of hardware complexity or efficient processing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
KR1020000078565A 1999-12-22 2000-12-19 채널 신호로부터 수신된 신호의 검출 방법 및 장치 Expired - Fee Related KR100740190B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP99125686 1999-12-22
EP99125686.8 1999-12-22
EP00108898.8 2000-04-27
EP00108898A EP1111605A1 (en) 1999-12-22 2000-04-27 Method and apparatus to detect a signal received from a channel signal

Publications (2)

Publication Number Publication Date
KR20010085268A KR20010085268A (ko) 2001-09-07
KR100740190B1 true KR100740190B1 (ko) 2007-07-18

Family

ID=26070862

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020000078565A Expired - Fee Related KR100740190B1 (ko) 1999-12-22 2000-12-19 채널 신호로부터 수신된 신호의 검출 방법 및 장치

Country Status (10)

Country Link
US (1) US6718511B2 (https=)
EP (1) EP1111605A1 (https=)
JP (1) JP2001210025A (https=)
KR (1) KR100740190B1 (https=)
CN (1) CN1191683C (https=)
ID (1) ID29910A (https=)
MX (1) MXPA00012464A (https=)
MY (1) MY126992A (https=)
PL (1) PL197549B1 (https=)
TW (1) TW504677B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7010029B1 (en) * 2000-04-13 2006-03-07 At&T Corp. Equalization of transmit diversity space-time coded signals
US7359463B2 (en) * 2001-10-04 2008-04-15 Sony Corporation Code sensing method and apparatus
FR2835666A1 (fr) * 2002-02-04 2003-08-08 St Microelectronics Sa Module acs dans un decodeur
TWI451102B (zh) * 2009-09-24 2014-09-01 Hon Hai Prec Ind Co Ltd 對串列訊號進行測試的資料處理設備及方法
US8699634B2 (en) 2011-06-30 2014-04-15 Harris Corporation Wireless communications device having map trellis decoder with partial sum tables and related methods
US9191131B2 (en) * 2012-07-06 2015-11-17 Intel Deutschland Gmbh Method for control channel detection in wireless communications systems

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606622A2 (en) * 1992-12-22 1994-07-20 Sony Corporation Viterbi decoding method and Viterbi decoding apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2877109B2 (ja) * 1996-12-12 1999-03-31 日本電気株式会社 情報検出装置および情報検出方法
US6246723B1 (en) * 1998-05-04 2001-06-12 Cirrus Logic, Inc. Sampled amplitude read channel employing early-decisions from a trellis sequence detector for sampling value estimation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606622A2 (en) * 1992-12-22 1994-07-20 Sony Corporation Viterbi decoding method and Viterbi decoding apparatus

Also Published As

Publication number Publication date
CN1191683C (zh) 2005-03-02
HK1035956A1 (en) 2001-12-14
CN1301020A (zh) 2001-06-27
PL197549B1 (pl) 2008-04-30
KR20010085268A (ko) 2001-09-07
PL344713A1 (en) 2001-07-02
EP1111605A1 (en) 2001-06-27
JP2001210025A (ja) 2001-08-03
TW504677B (en) 2002-10-01
US6718511B2 (en) 2004-04-06
ID29910A (id) 2001-10-25
MY126992A (en) 2006-11-30
MXPA00012464A (es) 2004-06-18
US20010034870A1 (en) 2001-10-25

Similar Documents

Publication Publication Date Title
EP0593763B1 (en) Maximum likelihood decoding method and device thereof
KR100230554B1 (ko) Rll 코드화 데이터를 위한 최대 유사 부호 검출 방법
KR100740190B1 (ko) 채널 신호로부터 수신된 신호의 검출 방법 및 장치
EP1111607A1 (en) Method and apparatus to detect a signal received from a channel signal
KR100474819B1 (ko) 데이터기록/재생장치의신호검출방법및그장치
JPH09247137A (ja) 位相誤差検出回路及びデジタルｐｌｌ回路
JP3151844B2 (ja) 再生データ検出方式
JP5003284B2 (ja) 信号品質測定装置及び情報再生装置
US5355392A (en) Digital data detector for reducing errors due to frequency variations
KR100828290B1 (ko) 다수의 입력 전류 중 최대 전류를 선택하고 이 선택된 전류에 또 다른 전류를 가산하는 장치 및 비터비 디코더
KR0135789B1 (ko) 고밀도 저장기기에 있어서 데이타 검출방법 및 장치
KR100238322B1 (ko) 비터비 검출방법 및 장치
KR100258634B1 (ko) 디지탈 광 기록/재생 시스템용 비터비 디코더
KR100247974B1 (ko) 자기채널에서의 심볼타이밍 에러검출 방법 및 장치
JP2668452B2 (ja) 最尤復号制御方式
JP3856704B2 (ja) 最尤パスのメトリックマージン抽出装置
KR100258559B1 (ko) 디지탈 광 기록/재생 시스템용 비터비 디코더
JP2004505535A (ja) データ復号
HK1035956B (en) Method and apparatus to detect a signal received from a channel signal
JPH06124549A (ja) 再生データ検出方式
JP2005223405A (ja) 最尤復号方法及び最尤復号装置
KR19990005736A (ko) 디지탈 데이타 검출 시스템
JPH10163884A (ja) ブランチメトリック計算装置
JPH07141793A (ja) 再生データ検出装置

Legal Events

Date Code Title Description
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

G170 Re-publication after modification of scope of protection [patent]
PG1701 Publication of correction

St.27 status event code: A-5-5-P10-P19-oth-PG1701

Patent document republication publication date: 20080422

Republication note text: Request for Correction Notice (Document Request)

Gazette number: 1007401900000

Gazette reference publication date: 20070718

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20100711

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20100711