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A Dynamic Size Distributed Program Image Cache for Wireless Sensor Networks

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3 Author(s)
Joshua Ellul ; Electron. & Comput. Sci. Dept., Univ. of Southampton, Southampton ; Kirk Martinez ; David De Roure

Reprogramming node software over-the-air is an essential requirement in many wireless sensor network applications due to the inaccessibility of the deployed sensor nodes. Transmitting whole software images consumes a high amount of energy in proportion to updates, especially when they are small in size. Incremental updates have addressed this; however introduce the potential of a sensor node becoming out of sync when it misses an update. In this paper we present a dynamic size distributed program image cache that provides increased efficiency in reprogramming out of sync nodes and multi-purpose wireless sensor networks.

Published in:

Advanced Information Networking and Applications Workshops, 2009. WAINA '09. International Conference on

Date of Conference:

26-29 May 2009