| Conference Paper |
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| Title |
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Two Ray or not Two Ray this is the price to pay
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| Abstract |
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Simulation is essential to evaluate the performance
of large scale vehicular networks. It is logistically
challenging (and prohibitively expensive) to run tests
with more than a few dozens experimental vehicles.
Given the critical role of simulation in the evaluation of
VANET protocols in large scale scenarios, it is important
to guarantee realism of the models. This paper focuses on
the accuracy of urban propagation models and their impact
on vehicular protocol results. In a city-based vehicular
network we compare the predominant Two Ray model and
a recently proposed Corner model. We identify a number
of factors that undermine the validity of the Two Ray
model, for example, the presence of buildings causing
propagation disruption and the heavy weight border
effects that incorrectly compensate for the presence of
hidden terminals in the networks. The paper analyzes a
small scale urban vehicular scenario which unveils the
issues to be considered in large scale vehicular simulations.
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| Download |
Paper: PDF file of paper
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| Information & Date |
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In IEEE MASS Workshop on Intelligent Vehicular Networks (InVeNET 2009), Macau, P.R.C., October. 2009
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| Authors |
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Eugenio Giordano
Raphael Frank
Abhishek Ghosh
Giovanni Pau
Mario Gerla
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