J4 ›› 2013, Vol. 40 ›› Issue (1): 155-161.doi: 10.3969/j.issn.1001-2400.2013.01.027

• 研究论文 • 上一篇    下一篇

二阶幻方卷积码的构造及译码

张承畅1;彭万权2;伍小兵2
  

  1. (1. 重庆大学 通信工程学院,重庆  400044;
    2. 重庆工程职业技术学院,重庆  400037)
  • 收稿日期:2011-09-01 出版日期:2013-02-20 发布日期:2013-03-28
  • 通讯作者: 张承畅
  • 作者简介:张承畅(1975-),男,讲师,博士,E-mail:zcc@cqu.edu.cn.
  • 基金资助:

    重庆市自然科学基金资助项目(2010BB2240);重庆市教委科学技术研究资助项目(KJ122003);中央高校基本科研业务费资助项目(CDJZR12160019)

Construction and decoding of second-order magic square  convolutional codes

ZHANG Chengchang1;PENG Wanquan2;WU Xiaobing2   

  1. (1. College of Communication Eng. of Chongqing Univ., Chongqing  400044, China;
    2. Chongqing Vocational Institute of Eng., Chongqing  400037, China)
  • Received:2011-09-01 Online:2013-02-20 Published:2013-03-28
  • Contact: ZHANG Chengchang

摘要:

以线性分组码和卷积码为基础构造出一类(2k,k,2)卷积码,并通过定义一种三维矩阵进行了状态转移描述.通过引入各种矩阵处理模块,构建出一种具有并行处理能力的维特比矩阵译码器,这种译码器的单一结构有利于对其进行分析和设计.仿真实验表明,该类卷积码的确具有高效的译码速度和优良的纠错能力.

关键词: 卷积码, 状态转移矩阵, 幻方, 维特比算法

Abstract:

Based on linear block codes and convolutional codes, the paper constructs a (2k, k, 2) convolutional code, with the state transition described by defining a 3d matrix. In the decoding part, some matrix processing modules are brought in to design a viterbi matrix decoder with parallel processing capability, and the single structure of decoder is good for its analysis and design. Simulation results demonstrate that this convolutional codes really possess a highly-efficient decoding speed and good error-correcting capability.

Key words: convolutional codes, state transition matrix, magic square, viterbi algorithm

中图分类号: 

  • TN911.22