KR980006870A - 가변 부호화율 펀츄러 - Google Patents

가변 부호화율 펀츄러 Download PDF

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Publication number
KR980006870A
KR980006870A KR1019960023652A KR19960023652A KR980006870A KR 980006870 A KR980006870 A KR 980006870A KR 1019960023652 A KR1019960023652 A KR 1019960023652A KR 19960023652 A KR19960023652 A KR 19960023652A KR 980006870 A KR980006870 A KR 980006870A
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KR
South Korea
Prior art keywords
data
output
input
control unit
coding rate
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Application number
KR1019960023652A
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English (en)
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KR100223762B1 (ko
Inventor
송준규
Original Assignee
김주용
현대전자산업 주식회사
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Application filed by 김주용, 현대전자산업 주식회사 filed Critical 김주용
Priority to KR1019960023652A priority Critical patent/KR100223762B1/ko
Priority to TW086104985A priority patent/TW444437B/zh
Priority to US08/837,420 priority patent/US5987067A/en
Priority to GB9713253A priority patent/GB2314744B/en
Publication of KR980006870A publication Critical patent/KR980006870A/ko
Application granted granted Critical
Publication of KR100223762B1 publication Critical patent/KR100223762B1/ko

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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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0067—Rate matching
    • H04L1/0068—Rate matching by puncturing
    • H04L1/0069—Puncturing patterns
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/0041—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Communication Control (AREA)

Abstract

본 발명은 디지탈 방송 부호화기에 있어서, 가변 부호화율로 데이타를 부호화하는 가변 부호화율 펀츄러(Puncturer)에 관한 것으로, 외부로 부터 입력되는 가변 부호화율에 따라 입력 데이타의 정렬과 압축 행렬 선택과 출력 데이터의 정렬을 제어하는 제어부, 상기 제어부의 제어에 따라 입력되는 데이타를 가변 부호화율에 맞게 정렬하여 입력 클럭에 따라 출력하는 입력 데이타 얼라인(Align) 제어부, 상기 입력 데이타 얼라인 제어부로부터 출력되는 정렬된 데이타를 순서에 맞게 저장하는 입력 버퍼, 상기 제업 의 제어에 따라 상기 입력 버퍼로 부터 출력되는 정렬된 데이타를 원하는 가변 부호화율에 따라 선택하는 출력 데이타 얼라인 제어부, 및 상기 출력데이타 얼라인 제어부로 부터 출력되는 부호화된 데이타를 출력 클럭에 등기시켜 전송하는 출력 버퍼로 구성된다. 따라서 본 발명은 매우 간단한 회로와 제어부를 이용하여 다양하게 변화하는 부호화율에 손쉽게 적응할 수 있고, 디지탈 방송 송신 시스템에 데이타 부호화기에 필연적으로 사용되는 핵심 부품으로 고속으로 부호화하며 작은 면적으로 구현이 가능한 효과가 있다.

Description

가변 부호화율 펀츄러
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 가변 부호화율 펀츄러의 구성도.
제2도는 제1도의 7단의 입력 버퍼의 상태도.

Claims (3)

  1. 외부로 부터 입력되는 가변 부호화율에 따라 입력 데이타의 정력과 압축 행렬 선택과 출력 데이터의 정렬을 제어하는 제어부(5), 상기 제어부(5)의 제어에 따라 입력되는 데이타(X,Y)를 가변 부호화율에 맞게 정렬하여 입력 클럭(I-CLK)에 따라 출력하는 입력 데이타 얼라인(Align) 제어부(1), 상기 입력 데이타 얼라인 제어부(1)로부터 출력되는 정렬된 데이타를 순서에 맞게 저장하는 입력 버퍼(2), 상기 제어부(5)의 제어에 따라 상기 입력 버퍼(2)로 부터 출력되는 정렬된 데이타를 원하는 가변 부호화율에 따라 선택하는 출력 데이타 얼라인 제어부(3), 및 상기 출력데이타 얼라인 제어부(3)로 부터 출력되는 부호화된 데이타를 출력 클럭(O-CLK)에 동기시켜 전송하는 출력 버퍼(4)를 포함하여 구성되는 것을 특징으로 하는 가변 부호화율 펀츄러.
  2. 제1항에 있어서, 상기 입력 버퍼(2)는 상기 가변 부호화율에 의해 가변적으로 확장이 가능한 것을 특징으로 하는 가변 부호화율 펀츄러.
  3. 제1항에 있어서, 상기 출력버퍼(4)는 상기 가변 부호화율에 의해 가변적으로 확장이 가능한 것을 특징으로 하는 가변 부호화율 펀츄러.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960023652A 1996-06-25 1996-06-25 가변 부호화율 펀츄러 KR100223762B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019960023652A KR100223762B1 (ko) 1996-06-25 1996-06-25 가변 부호화율 펀츄러
TW086104985A TW444437B (en) 1996-06-25 1997-04-17 A variable encoding rate puncturer
US08/837,420 US5987067A (en) 1996-06-25 1997-04-17 Variable encoding rate puncturer
GB9713253A GB2314744B (en) 1996-06-25 1997-06-23 A variable encoding rate puncturing coder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960023652A KR100223762B1 (ko) 1996-06-25 1996-06-25 가변 부호화율 펀츄러

Publications (2)

Publication Number Publication Date
KR980006870A true KR980006870A (ko) 1998-03-30
KR100223762B1 KR100223762B1 (ko) 1999-10-15

Family

ID=19463364

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960023652A KR100223762B1 (ko) 1996-06-25 1996-06-25 가변 부호화율 펀츄러

Country Status (4)

Country Link
US (1) US5987067A (ko)
KR (1) KR100223762B1 (ko)
GB (1) GB2314744B (ko)
TW (1) TW444437B (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3703287B2 (ja) 1997-03-31 2005-10-05 キヤノン株式会社 画像形成装置
US6430722B1 (en) 1998-01-23 2002-08-06 Hughes Electronics Corporation Forward error correction scheme for data channels using universal turbo codes
JP3453122B2 (ja) * 1998-08-17 2003-10-06 ヒューズ・エレクトロニクス・コーポレーション 最適性能に近いターボコードインターリーバ
EP2068451B1 (en) 1998-08-27 2013-10-02 Dtvg Licensing, Inc Method for a general turbo code trellis termination
US6601214B1 (en) * 1999-04-27 2003-07-29 Hughes Electronics Corporation System and method employing a rate matching algorithm for providing optimized puncturing patterns for turbo encoded data in a communications network
CA2406241A1 (en) * 2000-04-21 2001-11-01 Samsung Electronics Co., Ltd. Flexible data rate matching apparatus and method in a data communication system
US7095808B1 (en) * 2000-08-16 2006-08-22 Broadcom Corporation Code puncturing method and apparatus
DE10208129B4 (de) * 2002-02-26 2005-02-24 Infineon Technologies Ag Schaltung und Verfahren zur Datenratenanpassung bei variablem Ratenverhältnis mit einstellbarer Pufferspeicherpartitionierung
US7796702B2 (en) * 2005-07-27 2010-09-14 Interdigital Technology Corporation Coded antenna switching for wireless communications and associated methods
US8249451B2 (en) * 2007-08-16 2012-08-21 Futurewei Technologies, Inc. Methods for characterizing optical switches and multiplexers/demultiplexers
KR20180125827A (ko) * 2017-05-16 2018-11-26 에스케이하이닉스 주식회사 반도체장치

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Publication number Priority date Publication date Assignee Title
JPS60142627A (ja) * 1983-12-29 1985-07-27 Fujitsu Ltd 復号装置
US4730348A (en) * 1986-09-19 1988-03-08 Adaptive Computer Technologies Adaptive data compression system
JP2786342B2 (ja) * 1991-05-10 1998-08-13 三菱電機株式会社 ビタビ復号器
US5511054A (en) * 1993-03-31 1996-04-23 Sony Corporation Apparatus and method for multiplexing encoded data signals and recording medium having multiplexed signals recorded thereon
US5438590A (en) * 1993-05-24 1995-08-01 Comstream Corporation Transmitting and receiving apparatus and method including punctured convolutional encoding and decoding
US5506872A (en) * 1994-04-26 1996-04-09 At&T Corp. Dynamic compression-rate selection arrangement

Also Published As

Publication number Publication date
TW444437B (en) 2001-07-01
US5987067A (en) 1999-11-16
GB2314744B (en) 2000-07-12
GB2314744A (en) 1998-01-07
GB9713253D0 (en) 1997-08-27
KR100223762B1 (ko) 1999-10-15

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