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A Case for Hybrid Sensor Networks

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2 Author(s)
Sharma, G. ; D. E. Shaw & Co., New York, NY ; Mazumdar, R.R.

In this paper, we investigate the use of limited infrastructure, in the form of wires, for improving the energy efficiency of a wireless sensor network. We call such a sensor network - a wireless sensor network with a limited infrastructural support - a hybrid sensor network. The wires act as short cuts to bring down the average hop count of the network, resulting in a reduced energy dissipation per node. Our results indicate that adding a few wires to a wireless sensor network can not only reduce the average energy expenditure per sensor node, but also the non-uniformity in the energy expenditure across the sensor nodes.

Published in:

Networking, IEEE/ACM Transactions on  (Volume:16 ,  Issue: 5 )