Fault-tolerant spanners for ad hoc networks

Spanners for ad hoc networks provide several benefits such as low communication cost and resource consumption. These spanners need to be fault tolerant in resource-constrained ad hoc networks. In this paper, we have proposed three spanners, called fault-tolerant local Delaunay triangulation (FTLDel), fault-tolerant relative neighborhood graph (FTRNG), and fault-tolerant Gabriel graph (FTGG). The fault-tolerant spanners provide reliability to the network by avoiding heavy packet loss and retaining useful geometric properties. The performance of fault-tolerant spanners FTLDel, FTRNG, and FTGG are evaluated using the network simulator ns2.28. Copyright © 2011 John Wiley & Sons, Ltd.

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