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Electronics 2015, 4(1), 37-58; doi:10.3390/electronics4010037

On the Impact of Building Attenuation Models in VANET Simulations of Urban Scenarios

1
Department of Network Engineering, Universitat Politècnica de Catalunya (UPC), C. Jordi Girona 1-3, Barcelona 08034, Spain
2
Faculty of Informatics, Autonomic University of Sinaloa (UAS), De los Deportes Avenue and Leonismo Internacional, Mazatlán 82107, Mexico
3
Department of Electronics, Telecommunications and Networks, Escuela Politécnica Nacional (EPN), Ladrón de Guevara E11 253, Quito 170413, Ecuador
*
Author to whom correspondence should be addressed.
Academic Editor: Felipe Jimenez
Received: 29 October 2014 / Accepted: 29 December 2014 / Published: 8 January 2015
(This article belongs to the Special Issue Connected Vehicles, V2V Communications, and VANET)
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Abstract

Buildings are important elements of cities for VANETs, since these obstacles may attenuate communications between vehicles. Consequently, the impact of buildings has to be considered as part of the attenuation model in VANET simulations of urban scenarios. However, the more elaborated the model, the more information needs to be processed during the simulation, which implies longer processing times. This complexity in simulations is not always worth it, because simplified channel models occasionally offer very accurate results. We compare three approaches to model the impact of buildings in the channel model of simulated VANETs in two urban scenarios. The simulation results for our evaluation scenarios of a traffic-efficiency application indicate that modeling the influence of buildings in urban areas as the total absence of communication between vehicles gives similar results to modeling such influence in a more realistic fashion and could be considered a conservative bound in the performance metrics. View Full-Text
Keywords: vehicular ad hoc networks; building attenuation models; propagation models; VANETs vehicular ad hoc networks; building attenuation models; propagation models; VANETs
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Urquiza-Aguiar, L.; Tripp-Barba, C.; Estrada-Jiménez, J.; Igartua, M.A. On the Impact of Building Attenuation Models in VANET Simulations of Urban Scenarios. Electronics 2015, 4, 37-58.

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