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A New OFDMA Scheduler for Delay-Sensitive Traffic Based on Hopfield Neural Networks
EURASIP Journal on Wireless Communications and Networking
This paper introduces a novel joint channel and queuing-aware OFDMA scheduler for delay-sensitive traffic based on a hopfield neural network (HNN) scheme. It allows providing an optimum OFDMA performance by solving a complex combinational problem. The algorithm is based on distributing the available subcarriers among the users depending, on the one hand, on the time left for the transmission of the different packets in due time, so that packet droppings are avoided. On the other hand, it alsodoi:10.1155/2008/817676 fatcat:vuxkxxkkdnfdpm2pwjc2fq4zje