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Abstract for Seminar
| Reactivity and Robustness in Wireless Sensor Networks for Environmental Monitoring | ||
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| Thursday 14th October 2004 | 16:30 | Brian Spratt Room |
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Dr Rachel Cardell-Oliver
University of Western Australia |
Abstract | |
Wireless sensor networks are required to be reactive, robust and energy-efficient in order to meet the goal of gathering and delivering data in harsh environments. This seminar will describe recent research at the University of Western Australia addressing this goal.
A prototype soil moisture sensor network has been implemented for monitoring the dynamics of soil water content. Experimental results from a 30 day field trial in June-July 2004 will be presented.
For effective design of sensor networks, we need to know how certain properties of network nodes affect the behaviour of the implemented network. Two significant properties for sensor networks are, unreliable radio transmission and lack of synchronisation between sensor nodes. We show some of the consequences of these properties for flooding and data diffusion protocols.
Both our experimental and analytical work has identified problems with the limited ability of existing protocols to adapt well to their environments. Our current work, in collaboration with the SEACOS group at the University of Kent, investigates the application of biologically-inspired, adaptive protocols to environmental monitoring.
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| http://www.cs.kent.ac.uk/dept_info/seminars/2004_05/abs_2004_10_14.html | |