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Improving IEEE 802.11 Power Saving Mechanism

Overview This paper presents a mechanism that improves the energy efficiency of PSM (Power Saving Mechanism) specified for DCF (Distributed Coordination Function) in IEEE 802.11. In PSM, time is divided into beacon intervals. At the start of each beacon interval, every node stays awake for a duration, called the ATIM Window. During the ATIM window, nodes exchange control packets to determine whether they need to stay awake for the rest of the beacon interval. Past research results show that the size of the ATIM window has a significant impact on energy savings and throughput achieved by nodes.

Further White Paper Details
Publisher	University of Illinois	File Format	PDF
Date Published	July 2004	Downloads	1
Format	White Papers
Topics	N/A

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