Mobility impact on the performance of electric vehicle-to-grid communications in smart grid environment

Plug-in Electric Vehicles (PEVs) are expected to be widely utilized in the near future if issues related to the availability of charging infrastructure are resolved and if PEVs are efficiently integrated with the smart grid. The Vehicle-to-Grid (V2G) system is an emerging technology that enables the communication and control between PEVs and the smart grid. This promising concept is designed to provide the vehicles with information about where and when to charge their batteries, and allows the smart grid to acquire power from a PEV. An essential element to the success of V2G systems is reliable and secure communication system. Wireless communications in highly mobile V2G environment introduce serious challenges, such as reliability and real-time communication. In this paper, we present a comprehensive analysis of the impact of speed on the end-to-end delay and throughput in V2G communication scenarios. We focus on situations where authentication is performed when essential information such as payment data is exchanged between PEVs and its charging infrastructure. Furthermore, we present realistic delay analysis of the proposed communication infrastructure. Our simulation results show the impact of traffic density and speed on both the end-to-end delay and the throughput. We draw recommendations based on our test scenarios and simulation results.

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