Graph-Based Dynamic Zone Configurations for Resource Management in V2V Communications

This paper presents an adaptive zone configuration scheme for vehicle-to-vehicle (V2V) communications in terms of resource block pool (RB-pool) and power allocation. A cloud-assisted graph-based dynamic zone configuration framework is proposed for efficient resource utilization which can be well applicable to distributed V2V scenarios. Heuristic solutions are presented by means of vertex clique covering (VCC) and vertex coloring for RB-pool allocation considering the resource demands of each zone to avoid the hidden node problem. The presented scheme is evaluated for LTE-V Mode-4 using system level simulations for an intersection movement assist (IMA) use case. Results show that the dynamic zone configuration approach significantly outperforms both existing zone-less and static zone configurations in terms of packet reception rate (PRR) for high vehicular densities.