Performance of two-hop relay assisted decode-and-forward transmission under mixed fading environments

Abstract

This study analyses the performance of two-hop decode-and-forward (DF) relaying protocol under mixed faded channels by evaluating outage probability (Pout) and average bit-error probability (ABEP). It is assumed that the channel between source and relay is Rayleigh fading, whereas the relaydestination link is subject to Weibull fading. First, a closedform expression is formulated for Pout and then it is used to obtain ABEP for the considered system model. The ABEP performance of two-hop DF relaying is presented for M-ary phase shift keying (M-PSK) signaling with different constellation sizes. Moreover, the proposed analytical expressions are verified by simulations that present the correctness of the derived formulas.