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Adaptive Radio Resource Management Algorithm for MIMO-OFDMA System
Pradip Paudyal,Laszlo Pap,Andras Gabor,Sharad K. Chimire 한국멀티미디어학회 2010 한국멀티미디어학회 국제학술대회 Vol.2010 No.-
A real time QoS aware adaptive radio resource management algorithm for downlink of multi-cell and multi. user MIMO-OFDMA system is presented. This proposed scheduling algorithm takes into account queue status, transmission rates, channel state information and priority of the user for subcarrier, power and bit allocation in MU-MIMO-OFDMA system. Subcarrier selection is based on the priority of the user and eigenvalue product criterion and "water-filling algorithm" is adapted for bit loading and power allocation problem. Simulation results show that this algorithm can not only increase the data rate of the system, but also QoS of the user. This algorithm can able to maintain required QoS for each user.