Obstacles effects on signal attenuation in line of sight for different environments in V2V communication

Abstract

In Vanet, Secure and Smart Intelligent Transport System (SSITS) support both safety and non-safety applications in terms of throughput and collision performance. In vehicle to vehicle (V2V) communication, the network should provide a good throughput and should reduce collision. To provide an efficient throughput for V2V communication under different environments (such as City, Highway, and Rural), a good radio propagation model is required in order to support the real-time implementation. The existing radio propagation path loss models for V2V network adopt mean additional attenuation sophisticated obstacle fading model such as Nakagami, Log normal and so on. These models do not consider the effects of the vehicle in modeling LOS among transmitter and receiver and also do not consider evaluation under different environments. The presence of Line of sight (LOS) component (such as reflection or diffraction) requires the amplification of signal or power. Due to this, here we present an efficient radio propagation path loss model considering the obstacle in LOS (vehicle) under different environmental conditions in the presence of LOS. The experiments are conducted to evaluate the performance of the proposed model in terms of throughput and collision considering a varied number of vehicles under City, Highway and rural environments. The result shows that the proposed model is efficient considering varied density.