Optimized Resource Utilization Scheme for Real-Time V2V Sidelink Unicast Communication in 5G Networks

In this letter, a resource allocation scheme for 5G new radio (NR) based vehicle-to-vehicle (V2V) sidelink mode 1 unicast communication is proposed. First, a M/G/1 queueing model-based end-to-end (E2E) latency analysis on the communication methodology is performed considering packet retransmissions. Based on the latency requirements of NR-V2V unicast traffic, a Sidelink Unicast V2V Real-time (SUVR) scheme is proposed to minimize the required number of resource blocks (RBs). Simulation results show that the proposed SUVR scheme provides more efficient resource management at the gNodeB, while satisfying the packet latency quality of service (QoS) requirements for vehicular user equipment compared to the benchmarked VRSAP scheme.