Impact of static and mobile scatterers on vehicle-to-vehicle communication channel in rectangular tunnel environment

Vehicle-to-Vehicle communication has received a lot of attention over recent years since it can improve the efficiency and safety of roads. One of the research area in this topic is channel modeling. In this paper, a three-dimensional wideband regular shaped geometry based channel model for multiple-input and multiple-output vehicle-to-vehicle communication channel is proposed for rectangular tunnel environments. A two cylindrical geometry is adopted to describe moving vehicles around transmitter and receiver, and a cuboid model is employed to depict scatterers located on internal surfaces of the tunnel walls. Using this channel model, the channel characteristics including space time correlation function, frequency correlation function, autocorrelation function, power spectral density and channel capacity are derived and simulated numerically. Finally, the impact of channel parameters on the performance of the channel model is analyzed. Results confirm the efficiency of the proposed model in comparison with other models.