Mobility

Power Savings and Performance Analysis in Wireless Networks

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Executive Summary

This paper investigates the effects of power saving strategies on the performance of Wireless Local Area Networks (WLANs). More specifically, a power management model is formulated as an integer linear program that the network planner can use in order to achieve power savings while maintaining an acceptable Quality of Service (QoS), measured by the Signal to Interference Ratio (SIR) for interference limited WLAN. Furthermore, through a network simulation implemented in NS-2, it is shown that the adaptive power saving scheme can guarantee the same average throughput as the non-adaptive counterpart, while significantly reducing the total transmitted power.

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