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Sensors 2016, 16(11), 1834;

Design and Analysis of A Beacon-Less Routing Protocol for Large Volume Content Dissemination in Vehicular Ad Hoc Networks

1,†,* and 2,†
State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China
Department of Information Engineering, Electronics and Telecommunications (DIET), University of Roma Sapienza, Roma 00184, Italy
These authors contributed equally to this work.
Author to whom correspondence should be addressed.
Academic Editor: Paolo Bellavista
Received: 15 August 2016 / Revised: 23 October 2016 / Accepted: 24 October 2016 / Published: 1 November 2016
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Large volume content dissemination is pursued by the growing number of high quality applications for Vehicular Ad hoc NETworks(VANETs), e.g., the live road surveillance service and the video-based overtaking assistant service. For the highly dynamical vehicular network topology, beacon-less routing protocols have been proven to be efficient in achieving a balance between the system performance and the control overhead. However, to the authors’ best knowledge, the routing design for large volume content has not been well considered in the previous work, which will introduce new challenges, e.g., the enhanced connectivity requirement for a radio link. In this paper, a link Lifetime-aware Beacon-less Routing Protocol (LBRP) is designed for large volume content delivery in VANETs. Each vehicle makes the forwarding decision based on the message header information and its current state, including the speed and position information. A semi-Markov process analytical model is proposed to evaluate the expected delay in constructing one routing path for LBRP. Simulations show that the proposed LBRP scheme outperforms the traditional dissemination protocols in providing a low end-to-end delay. The analytical model is shown to exhibit a good match on the delay estimation with Monte Carlo simulations, as well. View Full-Text
Keywords: beacon-less; end-to-end delay; link lifetime; vehicular ad hoc networks (VANETs) beacon-less; end-to-end delay; link lifetime; vehicular ad hoc networks (VANETs)

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Hu, M.; Zhong, Z.; Ni, M.; Baiocchi, A. Design and Analysis of A Beacon-Less Routing Protocol for Large Volume Content Dissemination in Vehicular Ad Hoc Networks. Sensors 2016, 16, 1834.

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