Proper

Abstract

Vehicular Environments impose a set of new requirements on nowadays wireless communication systems. In Vehicular network, IEEE 802.11p and 1609, which are attracting attention as next generation vehicle protocols, are Wireless Access Vehicle Environments (WAVE) communications. WAVE communication is divided into V2I, which is communication between Infrastructure and vehicle, and V2V, which is communication between vehicle and vehicle. The infrastructure installed on the roadside is called RSU (Road Side Unit), and a device installed in a vehicle is called an OBU(On Board Unit). When Multiple vehicles transmit data to one RSU on a dense road, the probability of successful data transmission decreases and collision probability is increases. In this paper, We propose a DBG-Algorithm (Distance Based Grouping Algorithm) that improves the data transmission probability in communication between RSU and multiple vehicles by generating groups based on distance between vehicles. IEEE 802.11p vehicle communication using the proposed DBG algorithm shows lower data collision probability and improved throughput than the existing IEEE 802.11p standard.