分段线性AF策略的安全性能分析

下载PDF

导出

摘要本文从信息理论安全的角度对无线通信中的正交中继信道的模型进行研究。本文在传统AF策略上做了一定的改进，通过将中继函数分段，并优化实现更好的安全性能。通过高斯信道的仿真，说明了分段线性AF策略在不需要复杂的编译码处理，更小的时延情况下提供比传统AF更大的安全速率。

作者陈驰阳

机构地区南京邮电大学

出处《科技与生活》 2012年第4期214-215,共2页

关键词安全速率中继信道正交窃听者功率分配

参考文献10

1C. E. Shannon, "Communication theory of secrecy systems," Bell System Technical Journal, vol. 28, pp. 656-715, Oct. 1949.
2A. D. Wyner, "The wire-tap channel," Bell System Technical Journal, vol. 54, no. 8, pp. 1355-1387, 1975.
3Lifeng Lai and Hesham E1 Gamal, " The Relay- Eavesdropper Channel: Cooperation for Secrecy" , IEEE Trans. Inf. Theory, vol. 54, no. 9, pp. 4005-4019, Sept. 2008.
4I. Csiszar and J. Korner, "Broadcast channels wish confidential messages," IEEE Trans. on Information Theory, vol. 24, pp. 339-348, May 1978.
5A. Sendonaris, E. Erkip, B. Aazhang. User cooperation diversity-part i: System description[J]. 1EEE Trans. on Communications, 2003, 51(11): 1927-1938.
6J. N. Laneman, D. N. C. Tse, G. W. Wornel. Cooperative diversity in wireless networks: Efficient protocols and outage behavior[J]. IEEE Trans. on Inf. Theory, 2004, 50(12): 3062-3080.
7G. Kramer, M. Gastpar, P. Gupta. Cooperative strategies and capacity theorems few relay networks [J]. IEEE Transactions on Information Theory, 2005, 51(9): 3037-3063.
8Gupta P, Kumar P R. Toward an information theory of large networks: Anachievable rate region [J]. IEEE Transactions on Information Theory, 2003, 49(8): 1877-1894.
9J. N. Laneman. Cooperative Diversity: Models, Algorithms, and Architectures. Cooperation in wireless networks: Principles and applications[M]. Springer, 2006.
10Majid Nasiri Khormuji, and Mikael Sknglund, "On Instantaneous Relayifig," IEEE Trans. Inf. Theory, vol. 56, no. 7, pp. 3378-3394, July. 2010.

科技与生活

2012年第4期

内容加载中请稍等...