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Technology of Network & Communication
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App. Res. of Comp. Printed Article
Vol. 37, 2020 No. 9
2819-2821,2826

Research on security outage probability performance in full-duplex two-way relay system with imperfect CSI

Ding Qingfeng
Liu Mengxia
Lian Yichong
School of Electrical & Automation Engineering, East China Jiaotong University, Nanchang 330013, China
DOI: 10.19734/j.issn.1001-3695.2019.04.0160

Abstract

The paper studied the physical layer security problem of full-duplex relay system based on decode-and-forward. There was the direct link between the eavesdropper and legitimate users or relay in the system model, and the channel state information(CSI) between legitimate users and the relay was imperfect. By analyzing the influence of channel estimation error, average signal-to-noise ratio of eavesdropping channel and residual self-interference on the physical layer security of the relay system, it derived the expressions of end-to-end instantaneous signal-to-noise ratio of each node and secrecy outage probability under imperfect CSI. The simulation results show when the channel estimation error, the average signal-to-noise ratio of the eavesdropping channel and residual self-interference are smaller, the system security outage probability is smaller, and the system security performance is better. At high signal-to-noise ratio, the effect of residual self-interference on the security outage probability is negligible. At the same time, the full-duplex relay scheme is superior to the traditional half-duplex relay scheme.

Foundation Support

国家自然科学基金资助项目(61501186)
江西省自然基金资助项目(20171BAB202001)
江西省教育厅项目(GJJ180307)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2019.04.0160
Publish at: Application Research of Computers Printed Article, Vol. 37, 2020 No. 9
Section: Technology of Network & Communication
Pages: 2819-2821,2826
Serial Number: 1001-3695(2020)09-052-2819-03

Publish History

[2020-09-05] Printed Article

Cite This Article

丁青锋, 刘梦霞, 连义翀. 基于非理想CSI的全双工双向中继系统保密中断概率性能研究 [J]. 计算机应用研究, 2020, 37 (9): 2819-2821,2826. (Ding Qingfeng, Liu Mengxia, Lian Yichong. Research on security outage probability performance in full-duplex two-way relay system with imperfect CSI [J]. Application Research of Computers, 2020, 37 (9): 2819-2821,2826. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.

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