基于混沌密钥控制的联合信源信道与安全算术码编译码算法

鄢懿; 张灿; 郭振永; 高绍帅; 陈德元

doi:10.11999/JEIT151429

基于混沌密钥控制的联合信源信道与安全算术码编译码算法

doi: 10.11999/JEIT151429

1.
(中国科学院大学电子电气与通信工程学院北京 101408) ②(中国科学院电子学研究所北京 100190)

基金项目:

国家自然科学基金(61571416, 61271282, 61032006)

计量
- 文章访问数: 1212
- HTML全文浏览量: 137
- PDF下载量: 360
- 被引次数: 0
出版历程
- 收稿日期: 2015-12-17
- 修回日期: 2016-05-05
- 刊出日期: 2016-10-19

Joint Source Channel and Security Arithmetic Coding Controlled by Chaotic Keys

1.
(School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 101408, China)

Funds:

The National Natural Science Foundation of China (61571416, 61271282, 61032006)

摘要

摘要: 该文针对深空通信、移动通信等资源受限网络中的信息有效性、可靠性和安全性传输，提出一种基于混沌密钥控制的联合信源信道与安全算术码编译码算法。该算法在编码端通过混沌映射1控制在算术码内嵌入多个禁用符号，将信道编码检错与密码流的扰乱相结合；同时，通过混沌映射2控制信源符号的算术编码，将信源编码与信息安全相结合，实现了联合信源信道与信息安全编译码。实验结果表明，该算法与现有的同类算法相比，当误包率为10-3时，改善编译码性能0.4 dB，同时增强了可靠性和安全性。
- 联合信源信道与安全编译码 /
- 算术码 /
- 禁用符号 /
- 混沌映射
Abstract: In order to transfer effective, reliable and secure information in resource-constrained networks such as deep space communications and mobile communications, a joint source channel security arithmetic coding method controlled by chaotic keys is proposed. At encoding, the first chaotic map allocates the probability of multiple forbidden symbols in arithmetic code, combining error detection by channel coding and disorder of key streams; meanwhile, the second chaotic map controls the source symbols in arithmetic code, combining source coding and information security. Simulation results show that the proposed method can not only achieve 0.4 dB signal-to-noise ratio gains compared with the existing similar arithmetic codes under the condition of same error rate, but also be of high reliability and security.
- Joint source channel and security encoding/decoding /
- Arithmetic coding /
- Forbidden symbols /
- Chaotic map

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参考文献(26)

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