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Revisiting vehicular network connectivity with radio propagation model

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Abstract

In vehicular networks, radio waves propagate in an external environment and are therefore subject to many obstacles such as buildings, trees or hills. Modeling the transmission range by a perfect circle around each transmitter is absolutely wrong especially in urban environments. In our previous work, we defined a terrain characteristics-based propagation model for vehicular network. This model determines the received signal power according to the type and the density of obstacles encountered by the radio waves. In this paper we calibrate the model parameters to meet the physical layer specifications of the standard dedicated to inter-vehicular communication, 802.11p. We validate the new values by several simulation tests. Based on this model, we present a study of the radio connectivity for a vehicular network in city environment and evaluate the impact of obstacles on information dissemination in such a network. The tests are performed by considering a simulation environment that represents a real city map. We define several metrics characterizing the radio connectivity and the information dissemination and examine the effect of vehicles density and obstacles on those metrics.

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Authors and Affiliations

  1. UTBM, SET, 90010, Belfort, France

    Kahina Ait Ali, Oumaya Baala & Alexandre Caminada

Authors
  1. Kahina Ait Ali
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  2. Oumaya Baala
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  3. Alexandre Caminada
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Corresponding author

Correspondence to Kahina Ait Ali.

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Ait Ali, K., Baala, O. & Caminada, A. Revisiting vehicular network connectivity with radio propagation model. Telecommun Syst 52, 2585–2597 (2013). https://doi.org/10.1007/s11235-011-9591-4

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  • DOI: https://doi.org/10.1007/s11235-011-9591-4

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