Upper Bounds on Expected Hitting Times in Mostly-Covered Delay-Tolerant Networks

Provided by: Oregon State University
Topic: Mobility
Format: PDF
The authors derive theoretical bounds on expected hitting times in densely covered Delay-Tolerant Networks (DTNs). They consider a number of fixed (data collector) nodes deployed in the DTN region, and a number of mobile (data generator) nodes that move freely in the region according to Brownian motion. As it moves, each mobile node is assumed to continuously generate and buffer data. When a mobile node comes within the communication coverage range of a data collector node, it downloads its buffered data to it. Otherwise, it keeps generating and buffering its data.

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