Performance Analysis of Wireless Powered UAV Relaying Systems Over $\kappa-\mu$ Fading Channels

Abstract

In this paper, the performance of wireless powered unmanned aerial vehicle (UAV) relaying systems employing the decode-and-forward (DF) or the amplify-and-forward (AF) protocols is investigated. Both source and destination nodes are equipped with multiple antennas. The considered system operates in the presence of $\kappa-\mu$ fading. Analytical expressions for the outage probability (OP), the symbol error rate (SER), and the average capacity (AC) are derived by employing Mellin-transform techniques. Based on the derived formulae, the impact of the number of antennas and the fading parameters on system performance are further investigated and useful system performance optimization suggestions are proposed. The correctness of the proposed analysis is validated through Monte Carlo simulations.