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Dynamic Power Management Using On Demand Paging for Networked Embedded Systems

Overview The power consumption of the network interface plays a major role in determining the total operating lifetime of wireless networked embedded systems. In case of on-demand paging, a low power secondary radio is used to wake up the higher power radio, allowing the latter to sleep for longer periods of time. This paper presents the use of Bluetooth radios to serve as a paging channel for the 802.11b wireless LAN. An on-demand paging scheme has been implemented on an infrastructure based WLAN consisting of iPAQ PDAs equipped with Bluetooth radios and Cisco Aironet wireless networking cards. The results show power saving ranging from 23% to 48% over the present 802.11b standard operating modes with negligible impact on performance.

Further White Paper Details
Publisher	University of California San Diego	File Format	PDF
Date Published	November 2004	Downloads	5
Format	White Papers
Topics	N/A

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