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A new relaying scheme with the combination of incremental decode-and-forward (DF) relaying and selective relaying employed hybrid decode-amplify-forward (HDAF), termed incremental HDAF relaying (IHDAF), is proposed and analyzed in this paper. Closed-form expressions of outage probability for the incremental HDAF relaying scheme is derived. Simulation results and analysis show that the incremental...
In this paper, we propose a power allocation scheme to minimize the total power consumption in a decode-and-forward (DF) multi-relay cooperative system considering the required data rate. Based on the minimal transmit power of the source and the instantaneous channel state information (CSI) between the source and the relays, the optimal relays will be selected to reduce the total system power consumption...
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