CN1471781A - 基于增信删余卷积码与qam调制格码相结合的信道译码方法和系统 - Google Patents

基于增信删余卷积码与qam调制格码相结合的信道译码方法和系统 Download PDF

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Publication number
CN1471781A
CN1471781A CNA018178235A CN01817823A CN1471781A CN 1471781 A CN1471781 A CN 1471781A CN A018178235 A CNA018178235 A CN A018178235A CN 01817823 A CN01817823 A CN 01817823A CN 1471781 A CN1471781 A CN 1471781A
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China
Prior art keywords
bits
code
outputting
chennel
decoding based
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CNA018178235A
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CN1221113C (zh
Inventor
何辉霞
张永生
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Linkair Communications Inc
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Linkair Communications Inc
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Publication of CN1471781A publication Critical patent/CN1471781A/zh
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Publication of CN1221113C publication Critical patent/CN1221113C/zh
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0059Convolutional codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

一种信道译码的方法和设备,发端,对输入比特一部分进行增信删余编码,另一部分不编码直接输出,对由编码比特和不编码比特合成的符号交织后,进行QAM调制;收端,对接收信号进行解交织,解交织后的数据,一方面用来对被编码的比特解码并输出其估计值,另一方面用来输出不编码比特的估计值,分支度量值是利用了调制方式和截位矩阵的信息,对接收信号的实部、虚部单独处理获得的,较其它译码方法,本发明计算简单,提高了通信系统的效率。

Description

PCT国内申请,说明书已公开。

Claims (1)

  1. PCT国内申请,权利要求书已公开。
CN01817823.5A 2001-08-24 2001-08-24 基于增信删余卷积码与qam调制格码相结合的信道译码方法和系统 Expired - Fee Related CN1221113C (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2001/001268 WO2003019890A1 (fr) 2001-08-24 2001-08-24 Procede et dispositif de decodage de voie sur la base d'un code de convolution et d'un code qam presentant une fiabilite accrue et supprimant les redondances

Publications (2)

Publication Number Publication Date
CN1471781A true CN1471781A (zh) 2004-01-28
CN1221113C CN1221113C (zh) 2005-09-28

Family

ID=4574847

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CN01817823.5A Expired - Fee Related CN1221113C (zh) 2001-08-24 2001-08-24 基于增信删余卷积码与qam调制格码相结合的信道译码方法和系统

Country Status (2)

Country Link
CN (1) CN1221113C (zh)
WO (1) WO2003019890A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101286773B (zh) * 2007-04-13 2012-12-19 中兴通讯股份有限公司 一种多入多出空时分组编码调制的数据发送装置及方法
CN107342775A (zh) * 2017-07-07 2017-11-10 西安电子科技大学 删余卷积码的维特比译码方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100987269B1 (ko) * 2006-08-22 2010-10-12 삼성전자주식회사 이동통신 시스템에서 고차 변조 기반의 버스트 매핑 방법및 장치
CN106911421B (zh) * 2015-12-22 2019-09-13 深圳光启合众科技有限公司 译码方法、装置及其系统
KR102157757B1 (ko) * 2015-12-22 2020-09-18 선전 쾅-츠 허종 테크놀로지 엘티디. 디코딩 방법, 장치 및 그에 따르는 시스템

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511096A (en) * 1994-01-18 1996-04-23 Gi Corporation Quadrature amplitude modulated data for standard bandwidth television channel
US5659578A (en) * 1994-11-23 1997-08-19 At&T Wireless Services, Inc. High rate Reed-Solomon concatenated trellis coded 16 star QAM system for transmission of data over cellular mobile radio
US5666170A (en) * 1995-07-12 1997-09-09 Thomson Consumer Electronics, Inc. Apparatus for decoding video signals encoded in different formats

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101286773B (zh) * 2007-04-13 2012-12-19 中兴通讯股份有限公司 一种多入多出空时分组编码调制的数据发送装置及方法
CN107342775A (zh) * 2017-07-07 2017-11-10 西安电子科技大学 删余卷积码的维特比译码方法
CN107342775B (zh) * 2017-07-07 2020-04-07 西安电子科技大学 删余卷积码的维特比译码方法

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Publication number Publication date
CN1221113C (zh) 2005-09-28
WO2003019890A1 (fr) 2003-03-06

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