Power Efficient Topologies for Wireless Sensor Networks
Wireless sensor networks have
become possible because
of the on-going improvements in sensor technology and
VLSI. One issue in smart sensor networks is achieving efficient
operation because of the limited available power.
For important classes of sensor networks, such as biomedical
sensors, the locations of the sensing nodes are fixed
and the placement can be pre-determined. In this paper,
we consider the topology that best supports communication
among these sensor nodes. We propose a power-aware routing
protocol and simulate the performance, showing that
our routing protocol adapts routes to the available power.
This leads to a reduction in the total power used as well as
more even power usage across nodes. We consider different
routes and topologies, demonstrating the difference in
performance and explaining the underlying causes.
See full paper.
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