Utility function based fair data scheduling algorithm for OFDM wireless network

被引：0
|
作者：
Guo Kunqi
Dept. of Communication Engineering
机构：
来源：
JournalofSystemsEngineeringandElectronics | 2007年 / 04期
关键词：
OFDM; scheduling; algorithm; utility function;
D O I：
暂无
中图分类号：
TN919.72 [无线数据通信];
学科分类号：
摘要：
A system model is formulated as the maximization of a total utility function to achieve fair downlink data scheduling in multiuser orthogonal frequency division multiplexing (OFDM) wireless networks. A dynamic subcarrier allocation algorithm (DSAA) is proposed, to optimize the system model. The subcarrier allocation decision is made by the proposed DSAA according to the maximum value of total utility function with respect to the queue mean waiting time. Simulation results demonstrate that compared to the conventional algorithms, the proposed algorithm has better delay performance and can provide fairness under different loads by using different utility functions.
引用
收藏
页码：731 / 738
页数：8
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