不同调度算法下1x EV-DO系统的吞吐量

E. Choi, Wan Choi, J. Andrews
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引用次数: 22

摘要

对具有对数正态阴影的多cell系统,用三种不同调度算法对流行的1x EV-DO系统的平均扇区吞吐量进行了数学分析。所考虑的调度算法有轮循、等延迟和相对公平性。由于确定了关键的设计参数,因此分析说明了三种调度算法之间的吞吐量和延迟之间的权衡。数值算例表明,典型城市地区的平均吞吐量约为600 ~ 800kbit /s。本文的结果将帮助工程师进行蜂窝规划,并可靠地预测1x EV-DO和其他基于数据的蜂窝系统的吞吐量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Throughput of the 1x EV-DO system with various scheduling algorithms
The average sector throughput of the popular 1x EV-DO system with three different scheduling algorithms is mathematically analyzed for a multicell system with lognormal shadowing. The scheduling algorithms considered are round robin, equal latency, and relative fairness. The trade off between throughput and latency among the three scheduling algorithms is illuminated by the analysis, since the key design parameters are identified. From numerical examples, it is shown that the average throughput in a typical urban area is around 600-800 kbit/s. The results of this paper will help engineers do cellular planning and reliably predict throughput for 1x EV-DO and other data-based cellular systems.
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