Vehicular Communication Systems

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VEHICULAR COMMUNICATION SYSTEMS
REVIEW PAPER
Akshit Johri
BITS PILANI, RAJASTHAN
INDIA
f2011789@pilani.bits-pilani.ac.in

Abstract—with the proliferation of various transport media, study about vehicular communication systems has become all the more important as they contribute towards road safety as well as comfort while travelling. This paper reviews the history, evaluation, significance, current state and issues, and future scope of the various communication systems used in present day vehicles.
Keywords—vehicular, communication, systems.
I. INTRODUCTION
Vehicular Communication Systems have grown into a new technology that has made its advent presently in the market, industry or the research laboratories due to increasing traffic on …show more content…

Our architecture is able to adapt its functionalities to the network traffic generated by different applications. Advantages in employing PIVCA have been demonstrated through an extensive set of experiments. This work can be extended in several directions. First, have just finalized a prototype of our solution implemented on PDAs and are now starting a real testbed evaluation campaign. At the same time, we are also enhancing the utilized algorithms to be proficient even in a grid based scenario (i.e., streets of a town). We also plan to combine PIVCA with some of the solutions mentioned in Section II-A which are aimed at increasing the reliability of IVC. Finally, to ensure the widest possible compatibility, PIVCA has been designed to operate at higher network layers; however, studies show that there is an optimal choice of transmission range for the latency when considering 802.11 based MAC protocols [17], [27]. Vehicular network communications systems lead to a vast and diverse area of applications as well as services that can range from music and map downloads, safety and life applications to multi hop ad-hoc internet connections. It would be interesting to combine the two approaches to improve even further the performance of the system. Thus, despite considerable preliminary work in the area, there is a large scope for research on comprehensive networking and transport layer solutions that can address the needs of many classes of applications. Due to the difficulty of test bed evaluation, there is also a need for realistic evaluation tools in this area (possibly something similar to what ns-2 brought to the traditional networking world, ideally without the suite of problems that plague ns-2). Thus, IVC systems have significant potential as well as challenges. Many existing approaches provide valuable leads in solving individual

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