Abstract
This paper investigates the energy efficiency of Road Side Units (RSUs) by proposing a novel flow and energy management model in Software-Defined Networking (SDN)-based vehicular networks. In the considered scenario, high vehicular mobility and limited coverage area of RSUs cause a degradation in Qualit
Highlights
Energy saving technologies for vehicular networks have been widely studied in order to manage increasing data traffic and decrease total energy consumption
We present a novel flow and energy management model to detect unsatisfactory vehicles and estimate the right amount of power level of these vehicles to assign a particular Road Side Units (RSUs) in Software-Defined Networking (SDN)-based vehicular networks so that RSUs can be switched off to reduce energy consumption and network throughput can be enhanced
To achieve a higher energy efficiency, in the proposed energy management model, the spatially estimated SINR of unsatisfactory vehicles is calculated in Eqs.4, 5 and 6 and the mode of RUSs is scheduled by controller
Summary
Energy saving technologies for vehicular networks have been widely studied in order to manage increasing data traffic and decrease total energy consumption. In SDN-based vehicular networks, a centralized controller has the information to manage RSUs and vehicular nodes so that it can decide whether changing the mode of RSUs (switching on/off) and the transmission power of vehicles according to network conditions. With the cooperation of SDN and IEEE 802.11p based vehicular communication, a centralized and programmable controller can manage to RSUs by deciding the mode of them and scheduling existing data flows. We propose a software-defined flow and energy management model with the cooperation of SDN and IEEE 802.11p based vehicular communication. We present a novel flow and energy management model to detect unsatisfactory vehicles and estimate the right amount of power level of these vehicles to assign a particular RSU in SDN-based vehicular networks so that RSUs can be switched off to reduce energy consumption and network throughput can be enhanced.
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