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	Turning Interference Weakness into PHY Security Enhancement for Cognitive Radio Networks
	Zhang, Hang ; Wang, Tianyu ; Song, Lingyang ; Han, Zhu
	2013
英文摘要	Traditionally, the transmitting power of secondary users (SUs) in the cognitive radio (CR) network is limited under a certain threshold, since it is harmful for primary user's (PU) channel capacity. However, when it comes to PU's secrecy capacity, the transmitting power may be either harmful or beneficial. On one hand, the attendance of SUs in the CR network can be threatened to PU's main channel and decreases PU's secrecy capacity. On the other hand, the signals transmitted by SUs can also decrease the wire-tap channel capacity, and therefore improves PU's secrecy capacity. In order to find the tradeoff, by modeling this scenario as a coalition formation game, we apply the "merge" and "split" algorithm to select the appropriate SUs which are beneficial to PU's secrecy capacity. The simulation results verify the efficiency of the proposed algorithm in various scenarios.; Computer Science, Hardware & Architecture; Engineering, Electrical & Electronic; Telecommunications; EI; CPCI-S(ISTP); 0
语种	英语
DOI标识	10.1109/WCSP.2013.6677285
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/292534]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Zhang, Hang,Wang, Tianyu,Song, Lingyang,et al. Turning Interference Weakness into PHY Security Enhancement for Cognitive Radio Networks. 2013-01-01.

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