A Dual-Threshold Power Saving Mechanism in WiMAX

2010 IEEE/ACIS 9th International Conference on Computer and Information Science Pub Date : 2010-08-18 DOI:10.1109/ICIS.2010.10

Jia Liu, Fengyuan Ren, Chuang Lin

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引用次数: 7

Abstract

This paper considers making balance on the tradeoff between power consumption and extra delay in WiMAX Power Saving. Though it seems quite well understood in case of Poisson traffic, the tradeoff between energy and delay has not been adequately studied in existing literature. We therefore investigate in this work to propose a mechanism of tuning the tradeoff such that users/applications can make their choices to get various QoS requirements satisfied. In this paper, we introduce a new Dual-Threshold mechanism which is derived from Markov analysis. Our mechanism is able to offer different energy and delay performance by moving the initial windows according to the pre-defined best performance thresholds. Through extensive simulations, we’ve both verified the correctness of the analysis and the effectiveness of the mechanism. Result shows that it has a superior performance in comparison with other existing ones under the assumption of Poisson arrival. Besides, the dual-threshold mechanism is designed fully with standard-compatibility, which indicates that it can be easily adopted in reality.

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WiMAX中的双阈值节能机制

本文考虑了在WiMAX节能中如何在功耗和额外延迟之间取得平衡。虽然在泊松交通的情况下似乎很好理解，但在现有文献中，能量和延迟之间的权衡尚未得到充分的研究。因此，我们在这项工作中提出了一种调整权衡的机制，以便用户/应用程序可以做出自己的选择，以满足各种QoS要求。本文引入了一种新的基于马尔可夫分析的双阈值机制。我们的机制能够根据预定义的最佳性能阈值移动初始窗口，从而提供不同的能量和延迟性能。通过大量的仿真，我们验证了分析的正确性和机制的有效性。结果表明，在泊松到达假设下，该方法与现有方法相比，具有更优越的性能。此外，双阈值机制的设计充分具有标准兼容性，在现实中易于采用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2010 IEEE/ACIS 9th International Conference on Computer and Information Science

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