Transmission time analysis for hybrid V2V and V2I communications in multi-lane vehicular networks

Along with the increasing data demands in vehicular networks (VNs), how to satisfy large-amount data transmission under the requirements of low delay and high reliability has gained a lot of attentions. In this paper, we investigate the key performance metrics when vehicles download the required data by hybrid Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I) patterns in multi-lane scenario. Analytical results are derived on the transmission time and the number of handovers. In addition, in order to realize the minimum number of handovers in V2V transmission process, we put forward a Maximum Single Download Time (MSDT) handover strategy. Finally, simulations and discussions are presented to validate the performance of the proposed strategy under different transmission models, and to prove its advantage by comparing with some other typical strategies.