A novel chaotic interleaving algorithm for mobile wireless channels

Xianping WANG; Hui CAO

doi:10.11959/j.issn.1000-0801.2016156156

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A novel chaotic interleaving algorithm for mobile wireless channels

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- A novel chaotic interleaving algorithm for mobile wireless channels
- Telecommunications Science Vol. 32, Issue 7, Pages: 40-44(2016)
- 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：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2016156156
  CLC： TN913.21
- Published Online：2016-07，
  
  Published：15 July 2016
- 稿件说明：
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Xianping WANG, Hui CAO. A novel chaotic interleaving algorithm for mobile wireless channels[J]. Telecommunications science, 2016, 32(7): 40-44.
DOI：

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

references

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