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With the emergence of the Internet of Vehicle every electronic device can communicate either with devices of the road network or Mobile devices of passengers/pedestrians. Figure 3.3 shows the various categories of ITS Vehicle Communication Systems.

In-Vehicle Intelligence Communication: An interaction with versatile in-vehicle entities since the move of information and data from one element to dissimilar which collectively decides upon the vehicle’s behavior. It is also known as Intra Vehicle Communication Systems.

 Vehicle–Vehicle (V2V) Communication: The objective of this type of system is to handle emergencies of vehicle with huge ongoing data. Example: Communication Sensors, Vehicles gadgets, ECU Modules and decision support systems.Figure 3.3 ITS vehicular communications.

 Vehicle–Infrastructure (V2I): A connection between the moving vehicle and the encompassing transportation framework. It trades data with the above elements to acquire a sufficient illustration and enables the immediate adaption to external requisitions. Example: Traffic lights, Traffic signs, Data centers, and Antenna, etc.

 Vehicle-to-Cloud (V2C) Communication: It gives entertainment and information services to passengers with cloud services and also known as Vehicle-to-Network (V2N) Communication. Example: vehicle Security system software, Engine Information System, IoT-based parking and Planning System.

 Vehicle-to-Pedestrian (V2P) Communication: It exchanges the data among vehicle and spectator to lessen the imminent risk. Example: Vulnerable road user’s alert and road crossing.

 Vehicle-to-Device (V2D) Communication: Assistance between a passenger’s convenient electronic tools and the vehicle.

 Vehicle-to-Grid (V2G): Exchanging of information to the power grid. During the charging process, the vehicles act together with the services make available.

The above-discussed types are regularly utilized today for a connection between the vehicles. Therefore, this background is expressed broadly as Vehicle-to-Everything (V2X) communication systems.

In ITS there are several interconnection technologies to interchange the information among Vehicles, Transportation communications, and Pedestrians [7].