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Near-Minimum-Energy Routing in Heterogeneous Wireless Sensor Networks

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5 Author(s)
Weiyi Zhang ; Dept. of Comput. Sci., North Dakota State Univ., Fargo, ND, USA ; Xiaojiang Du ; Jie Wu ; Shanaka De Soysa
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Routing is an essential operation in wireless sensor networks. Most existing routing protocols are designed for homogeneous sensor networks. Recent studies show that a homogeneous sensor network has a poor fundamental performance limit. To achieve better performance, we adopt a Heterogeneous Sensor Network (HSN) model. In this paper, we present an efficient NEar-optiMal rOuting (NEMO) protocol for HSNs. We evaluate the performance of NEMO through extensive simulation experiments. Our results show that NEMO can find near-optimal routes in an HSN and has very small overhead.

Published in:

Global Telecommunications Conference (GLOBECOM 2010), 2010 IEEE

Date of Conference:

6-10 Dec. 2010