Escape Path Obstacle-Based Mobility Model (EPOM) for Campus Delay-Tolerant Network

Sirajo Abdullahi Bakura (1) , Alain Lambert (1) , Thomas Nowak (1)

1 ParSys - Systèmes Parallèles - LISN

In Delay-Tolerant Networks (DTNs), humans are the main carriers of mobile devices, signifying that human mobility can be exploited by extracting nodes' interests, social behavior, and spatiotemporal features for the performance evaluation of DTNs protocols. is paper presents a new mobility model that describes students' daily activities in a campus environment. Unlike the conventional random walk models, which use a free space environment, our model includes a collision-avoidance technique that generates an escape path upon encountering obstacles of different shapes and sizes that obstruct pedestrian movement. We evaluate the model's usefulness by comparing the distributions of its synthetic traces with realistic traces in terms of spatial, temporal, and connectivity features of human mobility. Similarly, we analyze the concept of dynamic movement clusters observed on the location-based trajectories of the studied real traces. e model synthetically generates traces with the distribution of the intercluster travel distance, intracluster travel distance, direction of movement, contact duration, intercontact time, and pause time similar to the distribution of real traces.

Domaines: Réseaux et télécommunications [cs.NI]

Sirajo Abdullahi Bakura, Alain Lambert, Thomas Nowak. Escape Path Obstacle-Based Mobility Model (EPOM) for Campus Delay-Tolerant Network. Journal of Advanced Transportation, 2021, 2021, pp.1018904. ⟨10.1155/2021/1018904⟩. ⟨hal-04467554⟩