WO2011013949A3 - 저전력 터보복호기의 조기정지 시스템 및 방법 - Google Patents

저전력 터보복호기의 조기정지 시스템 및 방법 Download PDF

Info

Publication number
WO2011013949A3
WO2011013949A3 PCT/KR2010/004841 KR2010004841W WO2011013949A3 WO 2011013949 A3 WO2011013949 A3 WO 2011013949A3 KR 2010004841 W KR2010004841 W KR 2010004841W WO 2011013949 A3 WO2011013949 A3 WO 2011013949A3
Authority
WO
WIPO (PCT)
Prior art keywords
turbo decoder
power consumption
low power
iterative decoding
stopping system
Prior art date
Application number
PCT/KR2010/004841
Other languages
English (en)
French (fr)
Other versions
WO2011013949A2 (ko
Inventor
송봉섭
김재범
Original Assignee
(주)네스랩
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 (주)네스랩 filed Critical (주)네스랩
Publication of WO2011013949A2 publication Critical patent/WO2011013949A2/ko
Publication of WO2011013949A3 publication Critical patent/WO2011013949A3/ko

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
    • H03M13/29—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
    • H03M13/2975—Judging correct decoding, e.g. iteration stopping criteria
    • 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
    • H03M13/3753—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with iterative decoding using iteration stopping criteria
    • 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
    • H04L1/0052—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables
    • H04L1/0053—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables specially adapted for power saving

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Correction Of Errors (AREA)

Abstract

본 발명은 저전력 터보복호기의 조기정지 시스템 및 방법으로서, 터보복호기의 구성복호기들에서 출력되는 정보비트의 경판정 출력값을 비교하여 터보복호기의 반복복호의 완료여부를 판단한 후, 정보비트들의 복호가 완료되어 더 이상의 반복복호가 필요하지 않다고 판단될 경우에 반복복호과정을 조기에 정지시킴으로써, 터보복호기의 평균적인 반복복호 횟수 및 복호지연을 줄여 전력소모량을 감소시킴과 동시에 비트오류율(BER: Bit Error Rate)을 향상시킬 수 있다.
PCT/KR2010/004841 2009-07-28 2010-07-23 저전력 터보복호기의 조기정지 시스템 및 방법 WO2011013949A2 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0068771 2009-07-28
KR1020090068771A KR20110011223A (ko) 2009-07-28 2009-07-28 저전력 터보복호기의 조기정지 시스템 및 방법

Publications (2)

Publication Number Publication Date
WO2011013949A2 WO2011013949A2 (ko) 2011-02-03
WO2011013949A3 true WO2011013949A3 (ko) 2011-04-21

Family

ID=43529829

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/004841 WO2011013949A2 (ko) 2009-07-28 2010-07-23 저전력 터보복호기의 조기정지 시스템 및 방법

Country Status (2)

Country Link
KR (1) KR20110011223A (ko)
WO (1) WO2011013949A2 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105187073B (zh) * 2015-10-13 2018-07-27 东南大学 一种极化码的bp译码方法及装置
CN115579013B (zh) * 2022-12-09 2023-03-10 深圳市锦锐科技股份有限公司 一种低功耗音频解码器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030023920A1 (en) * 2001-07-26 2003-01-30 Gibong Jeong Method and apparatus for reducing the average number of iterations in iterative decoding
US20030066018A1 (en) * 2000-12-23 2003-04-03 Samsung Electronics Co., Ltd. Apparatus and method for stopping iterative decoding in a CDMA mobile communication system
US20040225941A1 (en) * 2003-02-03 2004-11-11 Nortel Networks Limited. Method of controlling the number of iterations of an iterative decoding process and device for the implementation of the method
EP1499025A1 (en) * 2003-07-17 2005-01-19 Evolium S.A.S. Stop criterion for an iterative data processing method
KR20050079986A (ko) * 2005-06-28 2005-08-11 원광대학교산학협력단 Ｌｌｒ의 부호 비교를 이용한 터보 복호기의 반복복호제어장치 및 방법
KR20070079923A (ko) * 2006-02-03 2007-08-08 한국전자통신연구원 가변 이득계수를 이용한 저복잡도 및 저전력 터보 복호기

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030066018A1 (en) * 2000-12-23 2003-04-03 Samsung Electronics Co., Ltd. Apparatus and method for stopping iterative decoding in a CDMA mobile communication system
US20030023920A1 (en) * 2001-07-26 2003-01-30 Gibong Jeong Method and apparatus for reducing the average number of iterations in iterative decoding
US20040225941A1 (en) * 2003-02-03 2004-11-11 Nortel Networks Limited. Method of controlling the number of iterations of an iterative decoding process and device for the implementation of the method
EP1499025A1 (en) * 2003-07-17 2005-01-19 Evolium S.A.S. Stop criterion for an iterative data processing method
KR20050079986A (ko) * 2005-06-28 2005-08-11 원광대학교산학협력단 Ｌｌｒ의 부호 비교를 이용한 터보 복호기의 반복복호제어장치 및 방법
KR20070079923A (ko) * 2006-02-03 2007-08-08 한국전자통신연구원 가변 이득계수를 이용한 저복잡도 및 저전력 터보 복호기

Also Published As

Publication number Publication date
WO2011013949A2 (ko) 2011-02-03
KR20110011223A (ko) 2011-02-08

Similar Documents

Publication Publication Date Title
BR112017003887A2 (pt) ?codificador, decodificador e método para codificar e decodificar conteúdo de áudio com o uso de parâmetros para aprimorar uma ocultação?.
WO2014168863A3 (en) Adaptive data interference cancellation
TW200711323A (en) Soft decoding method and apparatus, error correction method and apparatus, and soft output method and apparatus
WO2008033830A3 (en) Complexity-aware encoding
ZA201102476B (en) Audio decoder, audio encoder, method for decoding an audio signal, method for encoding an audio signal, computer program and audio signal
WO2013043968A3 (en) Power-optimized decoding of linear codes
GB2449036A (en) Layered decoder and method for performing layered decoding
WO2007135657A3 (en) Error correction decoding by trial and error
WO2008004226A3 (en) Method of error correction in a multi-bit-per-cell flash memory
WO2014009878A3 (en) Encoding and decoding of audio signals
CA2925582C (en) Systems and methods of communicating redundant frame information
WO2012116802A3 (de) Neuartige kombination von fehlerkorrektur und fehlererkennung für die übertragung digitaler daten
EP4280494A3 (en) Encoding and decoding of polar codes with distributed check bits
HK1175289A1 (en) Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a detection of a group of previously-decoded spectral values
HK1163914A1 (zh) 音頻編碼器，音頻解碼器，編碼音頻信息，編碼和解碼音頻信號的方法及計算機程序
PL3246918T3 (pl) Dekoder audio, sposób dekodowania sygnału audio oraz program komputerowy
EP2433279A4 (en) Encoder, decoder, encoding method, and decoding method
PH12012501446A1 (en) Sound signal coding method, sound signal decoding method, coding device, decoding device, sound signal processing system, sound signal coding program, and sound signal decoding program
WO2009096713A3 (ko) 적응적 ｌｐｃ 계수 보간을 이용한 오디오 신호의 부호화, 복호화 방법 및 장치
UA111492C2 (uk) Сигналізація елементів синтаксису для коефіцієнтів перетворення для піднаборів одиниці кодування на рівні листя
WO2009015355A3 (en) Optimized decoding in a receiver
EP3742732A4 (en) ENCODER, DECODER, ENCODING PROCESS, DECODING PROCESS, ENCODING PROGRAM AND DECODING PROGRAM
WO2010090427A3 (ko) 오디오 신호의 부호화 및 복호화 방법 및 그 장치
WO2008045292A3 (en) Error correction decoding methods and apparatus
EP3128426A3 (en) An integrated circuit device and method for reducing sram leakage

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10804662

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS (EPO FORM 1205A DATED 09-05-2012)

122 Ep: pct application non-entry in european phase

Ref document number: 10804662

Country of ref document: EP

Kind code of ref document: A2