Enhancing VANET Safety Communications With AHP‐Based Resource Allocation

ABSTRACT Timely delivery of critical messages is paramount for road safety in Vehicular Ad‐hoc NETworks (VANETs), making effective resource block allocation crucial. Proper allocation of radio resources ensures these critical messages are successfully delivered. VANETs can incorporates widespread cellular networks for high reliability and low latency communication. The challenge lies in prioritizing messages of varying importance generated randomly in the dynamic VANET environment. This paper introduces a methodology for Vehicle‐to‐Vehicle (V2V) communication, utilizing base stations to allocate resource blocks. The proposed research work considers ProSe Per‐Packet Priority (PPPP), distance between transmitter and receiver, and message size for prioritizing VUE pairs through the Analytic Hierarchy Process (AHP). A novel algorithm is introduced to maximize the information value of the overall network while optimizing resource allocation, thus, prioritizing the assignment of resource blocks to vehicle users with a higher Signal‐to‐Noise Ratio (SNR). Simulation results show that the information value of ranked VUE pairs is superior compared to reverse‐ranked VUE pairs and existing state‐of‐the‐art algorithms. Furthermore, compared to the existing method, the proposed approach significantly reduces the delay experienced by safety‐critical messages.