一种面向移动无线信道的混沌交织算法

王先平; 曹卉

doi:10.11959/j.issn.1000-0801.2016156156

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一种面向移动无线信道的混沌交织算法

研究与开发 | 更新时间：2024-06-05

- 一种面向移动无线信道的混沌交织算法
- A novel chaotic interleaving algorithm for mobile wireless channels
- 电信科学 2016年32卷第7期页码：40-44
- 作者机构：
  
  1. 重庆文理学院软件工程学院，重庆402160
  2. 河南广播电视大学现代教育技术中心，河南郑州450000
- 作者简介：
  
  [ "王先平（1972-），男，重庆文理学院软件工程学院讲师，主要研究方向为算法理论和应用。" ]
  [ "曹卉（1982-），女，河南广播电视大学现代教育技术中心讲师，主要研究方向为云计算、大数据数据分析。" ]
- 基金信息：
  
  河南省科技厅基金资助项目“基于云存储的河南省终身教育海量数字化资源公共服务基础平台建模研究”;Henan Provincial Department of Science and Technology Project“the Public Service Platform of Massive Digital Resources of Henan Lifelong Education Based on Cloud Storage”(152102210304);河南省教育厅基金资助项目“面向河南省社区远程教育的海量数字化教学资源存储管理研究”;Henan Provincial Department of Education Project“Research on Storage Management of Massive Digital Teaching Resources for Community Distance Education in Henan”(ZJA15172)
- DOI：10.11959/j.issn.1000-0801.2016156156
  中图分类号： TN913.21
- 网络出版日期：2016-07，
  
  纸质出版日期：2016-07-15
- 稿件说明：
移动端阅览
王先平, 曹卉. 一种面向移动无线信道的混沌交织算法[J]. 电信科学, 2016,32(7):40-44.

Xianping WANG, Hui CAO. A novel chaotic interleaving algorithm for mobile wireless channels[J]. Telecommunications science, 2016, 32(7): 40-44.
王先平, 曹卉. 一种面向移动无线信道的混沌交织算法[J]. 电信科学, 2016,32(7):40-44. DOI： 10.11959/j.issn.1000-0801.2016156156.

Xianping WANG, Hui CAO. A novel chaotic interleaving algorithm for mobile wireless channels[J]. Telecommunications science, 2016, 32(7): 40-44. DOI： 10.11959/j.issn.1000-0801.2016156156.

摘要

交织是抵抗移动无线衰落信道突发差错的有效技术。为了抵抗二维突发差错，提出了一种新的基于Baker映射的混沌交织算法。该算法首先将二进制信源序列转化为数据矩阵，再使用混沌Baker映射方法将其随机离散化，从而实现二维长突发差错在解交织后变为一维短突发差错。再者，将该算法和基于Viterbi解码的卷积码联合使用，分别应用于（2

3）和（2

7）两种卷积码场景下进行性能比较。仿真结果显示，当移动信道传输图像画面时，该算法相比传统方案具有显著优势；该算法的抗衰落性能随着分组长度的增加而更加优越，并且有效降低了算法复杂度；该算法通过使用不同的密钥能够增强每个传输分组的安全性。

Abstract

Interleaving technique is an efficient technique to resist serious burst errors over mobile wireless fading channels.To resist 2 dimensionality burst errors effectively

a novel chaotic interleaving algorithm based on Baker map was proposed.In the proposed scheme

the binary source sequence was converted to the data matrix

and then the data matrix was dispersed randomly by using the chaotic Baker map approach

in order to realize the function of transforming 2 dimensionality long bust error into the short 1 dimensionality short bust error after de-interleaving.In additional

the proposed algorithm was combined with the convolution code based on Viterbi decoding

and was applied into the scenario of convolutional codes (2

3) and the scenario of (2

7) separately for a performance comparison.The simulation results show that the performance of the proposed algorithm outperforms better than the traditional algorithms under image transmission over mobile wireless channel.Moreover

the anti-fading capability of the proposed algorithm grows as the packet length increases

while reducing the complexity significantly.Finally

the chaotic interleaver can also enhance every transmitted packet's security with different secret keys.

关键词

Keywords

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