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Deterministic Propagation Modeling for Intelligent Vehicle Communication in Smart Cities

2018; Multidisciplinary Digital Publishing Institute; Volume: 18; Issue: 7 Linguagem: Inglês

10.3390/s18072133

1424-8220

Fausto Granda, Leyre Azpilicueta, Cesar Vargas‐Rosales, Mikel Celaya-Echarri, Peio López-Iturri, Erik Aguirre, José Javier Astráin, Pablo Medrano, Jesús Villandangos, Francisco Falcone,

Autonomous Vehicle Technology and Safety

Vehicular Ad Hoc Networks (VANETs) are envisaged to be a critical building block of Smart Cities and Intelligent Transportation System (ITS) where applications for pollution, congestion reduction, vehicle mobility improvement, accident prevention and safer roads are some of the VANETs expected benefits towards Intelligent Vehicle Communications. Although there is a significant research effort in Vehicle-to-Infrastructure (V2I) and Vehicle-to-Vehicle (V2V) communication radio channel characterization, the use of a deterministic approach as a complement of theoretical and empirical models is required to understand more accurately the propagation phenomena in urban environments. In this work, a deterministic computational tool based on an in-house 3D Ray-Launching algorithm is used to represent and analyze large-scale and small-scale urban radio propagation phenomena, including vehicle movement effects on each of the multipath components. In addition, network parameters such as throughput, packet loss and jitter, have been obtained by means of a set of experimental measurements for different V2I and V2V links. Results show the impact of factors such as distance, frequency, location of antenna transmitters (TX), obstacles and vehicle speed. These results are useful for radio-planning Wireless Sensor Networks (WSNs) designers and deployment of urban Road Side Units (RSUs).