Abstract
Mobility trajectories of users contain personal information that when analyzed may reveal relevant data usable as message-sharing condition, e.g., interests in common or similar mobility patterns. In particular, leveraging on mobility patterns, in [12] we designed and presented a Geo-casting routing protocol called LoSeRO for opportunistic networks, which uses knowledge of the locations most frequently visited by a user to route messages. LoSeRO forwards messages—in a multi-casting way—to all users who have a mobility profile that intersects the packet's destination zone. LoSeRO presented a relative good performance value, however, to improve its performances, in this paper our contribution is to propose an upgraded version of our earlier proposed protocol, termed as LoSeRO v2 . In particular, it upgrades the traditional working fashion of LoSeRO by extending the knowledge of the most frequented locations to those users not only directly met, i.e., two-hops away. With this purpose, through simulations, we compare the performance of LoSeRO v2, with LoSeRO and other existing routing geo-casting protocols, and we illustrate how LoSeRO v2 achieves enhanced performances comparing precision, coverage and additional metrics.
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