Abstract
Based on the studies on downlink resource allocation in p oint to m ulti-point (PMP) mode in the 802.16e systems, an efficient downlink resource allocation algorithm with low complexity is proposed to maxim ize the system throughput, which takes the advantage of frequency-selective fading property in orthogonal frequency division multiple (OFDM) networks. The proposed algorithm not only provides the traffic rate as high as possible, but also satisfies the minimum reserved traffic rate for non-real-time services. The simulation shows that the proposed algorithm performs better in terms of assuring individual QoS and offering fairness among users at the cost of slight degradation in throughput.
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