A Recursive Resource Allocation Algorithm for MIMO-OFDMA Systems in Multi-user Context

Abstract

This paper presents a new resource allocation algorithm for downlink multi-user MIMO-OFDMA systems. The main objective is to maximize the total system capacity and to guarantee the fairness among users with a low complexity. The proposed algorithm is based on a recursive sub-carriers allocation procedure aiming to satisfy Quality of Service (QoS) requirements for each mobile user. Simulation results demonstrate that the proposed algorithm performs well in terms of system capacity and fairness when the number of users in the cell is important closing to the practical case. General Terms4G technologies, wireless communication, optimization problem, Radio Resource Management (RRM).