The use of unmanned aerial vehicle (UAV) as an intermediate cooperative mobile relay seems to be an appreciable methodology to improve the performance of modern wireless communication networks. In this chapter, we investigated the overall outage and average throughput performance of dual-hop decode and forward (DF) self-energised full-duplex (FD) UAV systems, in the existence of direct path between source and desired user over generalised Weibull fading channel. To enhance the overall energy efficiency of the system, we adopted simultaneous wireless information and power transfer (SWIPT) methodology at the UAV. We also derived the closed form expressions for the same, subjected to the important metrics of time splitting factor (α) and transmit power. The effect of self-interference (SI) over system behaviour is analysed in various aspects. The observed inferences show that the overall system performance improves significantly by increasing the fading parameter (β). Also, FD operation by incorporating selection combining (SC) at the desired user offers diversity gain and improved system performance in comparison with half-duplex (HD) systems. Finally, derived expressions were verified using numerical simulations.


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