Priority based Scheduling and Reliable Content Delivery in VANET

Vehicular Ad-Hoc Network (VANET) is a subclass of Mobile Ad-Hoc Network (MANET). It communicates in two approaches Vehicle-To-Vehicle (V2V) and Vehicle-To-Infrastructure (V2I). By communicating with other vehicles and with Road Side Units (RSUs) VANET provides many lifesaving and commercial services. There are no fix infrastructures in VANET. Both Vehicle-To-Vehicle (V2V) and Vehicle-To-Infrastructure (V2I) take place with the help of On Board Unit (OBU) which is residing on the vehicle. Scheduling is a very important issue in VANET as messages are to be delivered to the recipient vehicle properly and accurately. It is important to send emergency, lifesaving and messages with critical information before general entertainment and commercial messages. It is also critical that any message which is sent to the vehicle is received by it in the time period for which the vehicle will be in range of the RSU.The objective of our work is to enhance the delivery of a message from RSU to vehicle. To achieve this we will develop a priority based scheduling protocol which will send the message from the RSU to the vehicle in the required time bound by broadcasting periodic messages which results into reduction in network traffic and without affecting the service ratio and without compromising reliability.