C-QoSRP: Cluster Based QOS-Routing Protocol for VANET in Highway Environment
Abstract
This paper presents a new cluster-based quality of service routing protocol (C-QoSRP) designed for VANET in a highway setting, offering the benefit of wide-range communication facilitated by road-side units (RSUs). The protocol incorporates the K-nearest neighbor (KNN) algorithm to optimize cluster stability by combining mobility and link quality metrics. A noteworthy aspect of this approach is that in the event of a cluster head (CH) failure, C-QoSRP employs RSUs as temporary cluster heads (TCHs). The TCH assumes the CH's responsibilities to ensure reliable communication within the cluster. Unlike traditional protocols that primarily focus on CH stability, C-QoSRP aims to minimize transmission delays and improve overall network stability. Simulation results demonstrate that C-QoSRP protocol surpasses existing ones in terms of QoS parameters such as packet delivery ratio, end-to-end delay, throughput, overhead and Cluster stability.
