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Hole detection and boundary recognition in wireless sensor networks | IEEE Conference Publication | IEEE Xplore

Hole detection and boundary recognition in wireless sensor networks


Abstract:

Coverage holes may exist in wireless sensor networks (WSNs) due to presence of obstacles or invalid sensor nodes in the sensing field. Normally, the holes make the data r...Show More

Abstract:

Coverage holes may exist in wireless sensor networks (WSNs) due to presence of obstacles or invalid sensor nodes in the sensing field. Normally, the holes make the data routing failure when the nodes transmit their data back to the sink. In this paper, distributed protocols are developed to identify the boundary nodes surrounding the holes of the sensing filed in WSNs without using any location information. Experimental results demonstrate that our algorithm can precisely and correctly identify the boundary nodes even in sparsely sensors deployed regions. Besides, our algorithm can give better performance in terms of control packet overhead and simulation time as compared to previous work.
Date of Conference: 13-16 September 2009
Date Added to IEEE Xplore: 15 April 2010
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Conference Location: Tokyo, Japan

References

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