Abstract
Internet of vehicles (IoV) promises to provide ubiquitous information exchange among moving vehicles and reliable connectivity to the internet. Therefore, IoV is becoming more and more popular as the number of connected vehicles is increasing. However, the existing vehicular communication infrastructure cannot guarantee reliable connectivity because all-time information exchange for every travelling vehicle is not assured due to lack of required number of roadside units (RSUs) especially along the intercity highways. This study is aimed towards exploring the use of cost-effective dynamic deployment of RSUs based upon the road traffic density and by ensuring the Line of Sight (LOS) among RSUs and Cellular Network Antennas. The unmanned aerial vehicles (UAVs) have a potential to serve as economical dynamic RSUs. Therefore, the use of UAVs along the roadside for providing reliable and ubiquitous information exchange among vehicles is proposed. The UAVs will be deployed along the roadside and their respective placement will be changed dynamically based upon the current traffic density in order to ensure the all-time connectivity with the travelling vehicles and the other UAVs/Cellular Network antennas. The reliability of the proposed network will be tested in terms of signal strength and packet delivery ratio (PDR) using the simulation.
Highlights
Vehicular Ad Hoc Networks (VANETs) [1] provide vehicle to infrastructure (V2I) and vehicle to vehicle (V2V) communication in order to deliver extensive range of applications spanning from infotainment to safety related applications [2, 3]
VANET is gradually evolving into Internet of Vehicles (IoV) that provides internet access to the travelling vehicles in addition to the inter-vehicular communication [4, 5]
The communication in VANETs depends on the Roadside Unit (RSU) [8]
Summary
Vehicular Ad Hoc Networks (VANETs) [1] provide vehicle to infrastructure (V2I) and vehicle to vehicle (V2V) communication in order to deliver extensive range of applications spanning from infotainment to safety related applications [2, 3]. VANET is gradually evolving into Internet of Vehicles (IoV) that provides internet access to the travelling vehicles in addition to the inter-vehicular communication [4, 5]. RSUs provide the essential link among the vehicles and other infrastructure components to fulfill the connectivity challenges of IoV [9]. RSUs connect the vehicles to the other vehicles which are outside their radio range and with the infrastructure components in order to provide internet access to the vehicles on the road [10]
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