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We analyze the performance of epidemic routing in large-scale intermittently connected networks, under a random geometric graph model and for different mobility parameters (such as the random-waypoint, random walk and Brownian motion models). We derive a generic scaling law on the delay, which provides us with lower bounds: the average delay from a source to a destination and the average broadcast...
Delay/disruption tolerant networks (DTNs) or intermittently connected mobile networks (ICNs) are mobile ad hoc networks where end-to-end multi-hop paths may not exist and communication routes may only be available through time and mobility. While most of the research is dedicated to the design of routing protocols, very few properties of such networks are known. In a recent paper [6], the authors...
A principal factor in sensor network design is energy efficiency. In this work, we propose to extend the lifetime of sensor networks using appropriate choice of sensor node distribution. The key idea of our scheme is to deploy more nodes in areas of extensive energy usage. Using this scheme of sensor node distribution, we use probabilistic angular routing to route data packets from the sensor nodes...
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