Proposal of Distribution Scheme for Vehicle Information in ITS Networks

Communication of vehicle information to neighbor vehicles is an important factor for safe driving systems in intelligent transport system. Additionally, big-size vehicles on the real road environments may interrupt communication between vehicles. Therefore, an adequate vehicle should forward the vehicle information in the delivery of the vehicle information to neighbor vehicles. This paper proposes a new routing protocol for the delivery of the vehicle information to neighbor vehicles in the specific area. The proposed protocol can deliver new vehicle information with short delay by performing temporal limited flooding before a route construction. Moreover, it can deliver the vehicle information effectively with the forwarding by adequate vehicles. Mixed environment of standard-sized and big-size vehicles is assumed in computer simulations. Numerical results show that the proposed protocol can achieve a high delivery ratio with short delay even if the big-size vehicle influences the communication between standard-sized vehicles.