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ThinkMind // VEHICULAR 2018, The Seventh International Conference on Advances in Vehicular Systems, Technologies and Applications // View article vehicular_2018_4_10_30038


UAVs-assisted Data Collection in Vehicular Network

Authors:
Mohamed Ben Brahim
Hakim Ghazzai
Hamid Menouar
Fethi Filali

Keywords: Unmanned aerial vehicles; Vehicular network; Data collection; Distributed minimum spanning forest

Abstract:
In vehicular network, nodes generate and transmit timely measured data by embedded sensors. Some data needs to be gathered by remote devices. The limited communication range of the vehicular wireless system requires to proceed through multi-hop data routing to collect periodic fresh data. The hop-by-hop based data journey and the dynamic topology increase the overall packet delivery delay, as well as the packet loss ratio. The Unmanned Aerial Vehicles(UAVs) could be used in relaying vehicular data, particularly for sparse networks. Once they join the network, they are considered as normal network nodes however with some specific link characteristics. In this paper, a link-aware data collection approach is investigated. More precisely, an optimization problem maximizing a weighted multiobjective utility including the wireless link data rate, the wireless link stability, and the data progress towards the destination is formulated and solved using a Distributed Minimum Spanning Forest (DMSF) approach. The outcomes of the proposed approach and the impact of the UAVs assistance are evaluated. The present approach outperforms the other algorithms and the usage UAVs enhances the DMSF-based solution especially for low-density network.

Pages: 39 to 46

Copyright: Copyright (c) IARIA, 2018

Publication date: June 24, 2018

Published in: conference

ISSN: 2327-2058

ISBN: 978-1-61208-643-9

Location: Venice, Italy

Dates: from June 24, 2018 to June 28, 2018

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