Power Allocation Scheme Based on Fairness for Multi-Base Station Cooperative Communication System

Abstract

In order to strike balance between the maximum achievable rate and fairness, a new strategy of power distribution is proposed, in the multi-base station cooperative communication system. A fairness factor is defined in this study, to measure the service fairness among different users. Power allocation was formulated as the maximization problem of dividing average maximum achievable rate for the whole users (average rate) by the fairness factor. This problem can be solved by application of Genetic Algorithm (GA). Numerical results show that the proposed scheme outperforms equal power allocation, in terms of average rate as well as fairness.