Abstract
In this letter, we propose a survivability-aware connectivity restoration strategy for partitioned wireless sensor networks with mobile nodes. Our main contributions lie in two aspects. First, we design a load equilibrium mechanism, in which the partitioned segments are connected according to an in-order connection pattern rather than conventional factors, so as to enhance the network lifespan. Second, we design a reliability enhancement measure, in which the stopping points of mobile nodes are selected according to the surrounding node distribution status rather than conventional factors, so as to reduce the connectivity failure probability for the second destruction. In the end, simulations are conducted to demonstrate the effectiveness and advantages of our connectivity restoration scheme.
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