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Performance analysis of full-duplex amplify-and-forward relay system with hardware impairments and imperfect self-interference cancellation

Nguyen, B.C. and Tran, X.N. (2019) Performance analysis of full-duplex amplify-and-forward relay system with hardware impairments and imperfect self-interference cancellation. Wireless Communications and Mobile Computing, 2019: 4946298. ISSN 15308669

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Abstract

In this paper, we analyze the performance of a full-duplex (FD) amplify-and-forward (AF) relay system with imperfect hardware. Besides the aggregate hardware impairments of the imperfect transceiver, we also consider the impact of residual self-interference (RSI) due to imperfect cancellation at the FD relay node. An analytical framework for analyzing the system performance including exact outage probability (OP), asymptotic OP, and approximate symbol error probability (SEP) is developed. In order to tackle these impacts, we propose an optimal power allocation scheme which can improve the outage performance of the FD relay node, especially at the high signal-to-noise ratio (SNR) regime. Numerical results are presented for various evaluation scenarios and verified using the Monte Carlo simulations. © 2019 Ba Cao Nguyen and Xuan Nam Tran.

Item Type: Article
Divisions: Faculties > Faculty of Radio-Electronic Engineering
Identification Number: 10.1155/2019/4946298
Uncontrolled Keywords: Finite difference method; Intelligent systems; Monte Carlo methods; Outages; Amplify-and-forward relay systems; Amplifyand-forward relay; High signalto-noise ratios (SNR); Optimal power allocation; Outage performance; Outage probability; Performance analysis; Symbol error probabilities (SEP); Signal to noise ratio
Additional Information: Language of original document: English. All Open Access, Gold, Green.
URI: http://eprints.lqdtu.edu.vn/id/eprint/9433

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