On the Performance of Multiuser Dual-Hop Satellite Relaying

This paper studies the system performance of a multiuser dual-hop satellite relaying network where the threshold-based decode-and-forward (DF) is adopted at the relay. Specifically, we can first get the maximum signal-to-noise ratio (SNR) formula of the satellite relaying network. Then, by supposing that both of the uplink and downlink channels are submitted to Shadowed-Rician (SR) fading, the exact expression for the system outage probability (SOP) of the satellite relaying network is derived. Moreover, we also obtain the asymptotic SOP with a high-SNR to provide more insight into the performance in terms of coding gain and diversity order. Finally, numerical examples not only demonstrate the correctness of the performance analysis, but show the impacts of the system parameters on the SOP of the satellite relaying network.

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