Networked and Embedded Systems Laboratory

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Abstract

The performance of a sensor network may be best judged by the
quality of application specifc information return. The actual sensing
performance of a deployed sensor network depends on several
factors which cannot be accounted at design time, such as environmental
obstacles to sensing. We propose the use of mobility to
overcome the effect of unpredictable environmental influence and
to adapt to run time dynamics. Now, mobility with its dependencies
such as precise localization and navigation is expensive in terms of
hardware resources and energy constraints, and may not be feasible
in compact, densely deployed and widespread sensor nodes.
We present a method based on low complexity and low energy actuation
primitives which are feasible for implementation in sensor
networks. We prove how these primitives improve the detection capabilities
with theoretical analysis, extensive simulations and real
world experiments. The significant coverage advantage recurrent in
our investigation justifies our own and other parallel ongoing work
in the implementation and refinement of self-actuated systems.

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