Advanced Mechanisms for Sleep Mode Optimization of VoIP Traffic over IEEE 802.16m

2010 IEEE Global Telecommunications Conference GLOBECOM 2010 Pub Date : 2010-12-01 DOI:10.1109/GLOCOM.2010.5683895

R. K. Kalle, M. Gupta, Aran Bergman, Elad Levy, Shantidev Mohanty, M. Venkatachalam, D. Das

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引用次数: 13

Abstract

Since mobile devices are equipped with limited battery power, it is essential to have efficient power management mechanisms in mobile broadband networks such as mobile WiMAX that enable always on connectivity and provide high throughputs. In recent times Voice over IP (VoIP) has emerged as an important and dominant application in broadband mobile networks such as WiMAX. VoIP traffic is uniquely characterized by small packets sent regularly at periodic intervals and are bound by strict latency requirements for satisfactory user experience. This paper presents novel mechanisms to achieve enhanced power saving during a VoIP session by exploiting unique characteristics of VoIP traffic in next generation mobile WiMAX networks based on IEEE 802.16m standard. The analytical model and simulation results indicate that proposed methods reduce the average power consumption during a VoIP call by up to 70% compared to the existing IEEE 802.16m draft specifications. Moreover, the simulation results closely match our proposed analytical model.

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基于IEEE 802.16m的VoIP流量睡眠模式优化的高级机制

由于移动设备配备的电池电量有限，因此在移动宽带网络(如移动WiMAX)中必须有有效的电源管理机制，以实现始终在线连接并提供高吞吐量。近年来，IP语音(VoIP)已成为WiMAX等宽带移动网络的重要和主导应用。VoIP流量的独特特点是定期发送小数据包，并且受到严格的延迟要求的约束，以获得满意的用户体验。本文通过利用基于IEEE 802.16m标准的下一代移动WiMAX网络中VoIP业务的独特特性，提出了在VoIP会话期间实现增强省电的新机制。分析模型和仿真结果表明，与现有的IEEE 802.16m草案规范相比，所提出的方法可将VoIP呼叫期间的平均功耗降低高达70%。仿真结果与本文提出的分析模型吻合较好。

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 Global Telecommunications Conference GLOBECOM 2010

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