NDLI: Secrecy outage probability analysis of multi-user multi-eavesdropper wireless systems

Content Provider	IEEE Xplore Digital Library
Author	Yulong Zou Jia Zhu Gongpu Wang Hua Shao
Copyright Year	2014
Description	Author affiliation: Sch. of Telecomm. & Inform. Eng., Nanjing Univ. of Posts & Telecomm., Nanjing, China (Yulong Zou; Jia Zhu) \|\| China Mobile Res. Inst., Beijing, China (Hua Shao) \|\| Sch. of Comput. & Inform. Tech., Beijing Jiaotong Univ., Beijing, China (Gongpu Wang)
Abstract	In this paper, we explore the physical-layer security of a multi-user wireless system that consists of multiple users intending to transmit to a base station (BS), while multiple eavesdroppers attempt to tap the user transmissions. We examine the employment of multi-user scheduling for improving the transmission security against eavesdropping and propose a multiuser scheduling scheme, which only requires the channel state information (CSI) of BS without the need of the passive eavesdroppers' CSI. We also consider the round-robin scheduling for comparison purposes. The closed-form secrecy outage probability expressions of the round-robin scheduling and proposed multiuser scheduling are derived over Rayleigh fading channels. Numerical results demonstrate that the proposed multi-user scheduling outperforms the round-robin scheduling in terms of the secrecy outage probability. As the number of users increases, the secrecy outage probability of round-robin scheduling keeps unchanged. By contrast, the secrecy outage performance of the proposed multi-user scheduling improves significantly with an increasing number of users.
Starting Page	309
Ending Page	313
File Size	214472
Page Count	5
File Format	PDF
ISBN	9781479941469
DOI	10.1109/ICCChina.2014.7008292
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-13
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Fading Secrecy outage probability Channel capacity Noise Multi-user scheduling Scheduling Rayleigh fading Round-robin scheduling Security Communication system security
Content Type	Text
Resource Type	Article

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