Power Allocation Scheme for Decode-and-Forward Cooperative Communications in Rician Fading Channels

Abstract

Given to the performance of the resource utilization in the cooperative communication systems, the paper proposed a novel power allocation scheme in the Decode and Forward cooperative communication scenario. Based on the analysis of the system model and the fading channel model, the paper proposed an optimized power allocation scheme using optimization theory to minimize the outage probabilities of the communication system, for the accuracy and reliability of each link’s transmission. Simulation results are presented to illustrate that optimized power allocation in terms of minimum outage probabilities offers better outage performance than common power allocation in cooperative diversity systems.