Handover Mechanism Based on Care-of Prefix Pool in VANET with NEMO

Vehicles move so fast that they always cause the handover delay problem in the Vehicular Ad Hoc Network (VANET). This problem will lower down the throughput of the network and make the mobile devices´ connection to the Internet ineffectively. To solve this problem, we propose a handover mechanism based on Care-of Prefix Pool (CoPP) in VANET with Mobile Network (NEMO). The vehicle adopting our handover mechanism can acquire unique Care-of Prefix (CoP) from the new Base Station (BS) with CoPP. The proposed solution leaves out the Duplication Address Detection (DAD) phase, and then we can significantly reduce the handover delay. The simulation results have shown that the proposed mechanism is able to reduce handover delay.