This paper presents a new clustering mechanism for the multi-hop relay in vehicular communication. In the proposed\nmechanism, the cluster-head selection is implemented using the enhanced hybrid wireless mesh protocol (E-HWMP)\nprotocol, which is based on the IEEE802.11p and IEEE802.11s standards. Then, multi-hop routing is designed for VANET\nin Wireless Mesh Networks (WMNs). Therefore, the main aim of this study is to enhance the integration of VANET with\na cellular network (i.e., LTE). As a result, the coverage can be extended. The proposed E-HWMP mechanism is evaluated\nby the NS2 simulator, and the VanetMobiSim is used as a mobility generator. The proposed E-HWMP mechanism is\ncompared to the existing mechanism based on the packet�s delivery ratio, packet loss, throughput, overhead, and\naverage end-to-end delay. The results demonstrate that the proposed E-HWMP mechanism outperforms the existing\nclustering mechanism.
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