A Distributed Algorithm for identifying failures in WSN
Journal Title: International Journal of Research in Computer and Communication Technology - Year 2013, Vol 2, Issue 11
Abstract
A wireless sensor network is a technology for monitoring physical or environmental conditions such as temperature, pressure, sound etc. A WSN can get separated into multiple connected sensors. But some nodes may fail because of mechanical, electrical problems, environmental degradation, battery depletion, or hostile tampering, which is called a “CUT”. The problem of detecting cuts by the neighboring nodes of a wireless sensor network. The proposed algorithm will achieve (i) every node to detect when the connectivity to a specially designated node has been lost (ii) one or more nodes to detect the occurrence of the cut. The algorithm is distributed and asynchronous: every node needs to communicate with only those that are within its communication range. The algorithm is based on iterative computation of a fictitious “electrical potential” of the nodes. The convergence rate of the underlying iterative scheme is independent of the size and structure of the network.
Authors and Affiliations
V. U. V. Ratna Mala, B. Sowjanya Rani
Keywords
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