VEHICLE TO VEHICLE COMMUNICATION USING ZIGBEE PROTOCOL Alfred Daniel , The Graduate School of Computer Science & Engineering, Kyungpook National University,-Bukgu, Daegu, 702-701, Korea ABSTRACT Vehicle priority: The end-to-end delay of the proposed scheme was analyzed using NS-2 simulation. During the process we have compared three attributes i.e. emergency vehicle, VIP vehicle and normal vehicle. Furthermore, we have set the priority in the mentioned attributes in order to communicate with Infrastructure i.e. Base Station. The focus of experiment was on time delay which occur during the course of communication between the vehicle. Data reliability and Cost efficiency was also a major motivation behind the project. Prioritizing the emergency vehicle is need of the hour, it should reach the appropriate place with minimum duration . An experiment was carried out in order to explore the functioning of vehicle to vehicle communication using IEEE 802.15.4 Zigbee. The modules of the experiment as explained as follows, (1) Keypad and an Alarm (BC 547) the input signaling. (2)Vehicle hardware equipped with microcontroller device (Atmage 162V) (3)Vehicle hardware equipped with Zigbee device. (Atmage 8) Type Description Channel Type Wireless channel Radio Propagation Two Ray Ground Interface Queue Type CMU priQueue Link Layer Type LL Max Packet in ifq 1024 No. of mobile nodes 20 X,Y dimension topology 2000, 900 Energy Value 200 routing protocol DSDV This paper proposes an Intelligent Transport System (ITS) that provides an effective Vehicle to Vehicle (V2V) communication mechanism using Zigbee. Especially in V2V communication Zigbee proves vital and it is the key protocol for wireless sensor network applications. In this paper suggestions are proposed for periodic monitoring of vehicular movements, enhancing road safety ,handling traffic congestion and simulation was carried out to perform vehicle priority . MOTIVATION INTRODUCTION The target of ITS [1] is to increase safety of passenger by exchanging warning messages between vehicles. It calculates risk; issue driver advisories or warnings.. An hardware module is designed, to takes pre-emptive actions to avoid and mitigate crash. The hardware module will be useful in two major scenarios namely lane change scenario ,congestion prevention scenario. Lane change scenario: During the lane change scenario, the proposed model indicates the driver who is equipped with the alerting device through an alarm and provides necessary lane change information (i.e., turn right or turn left indication) to other vehicle. As mentioned in the above figure 1. Congestion prevention:- PROPOSED SYSTEM MODEL Table 1 :Simulation Parameters Figure 4: Average End-to-End Delay The above table illustrate the simulation parameters used. And the graph represents the Average End-to-End Delay. priority of emergency vehicle is very high, since it can communicate directly with base station through intermediate hops. Upon receiving data message from emergency vehicle, hops process data message immediately because of its higher priority. For the VIP vehicle, priority is less compared to the emergency vehicle. The normal vehicle has the lowest priority the time taken to process the information would higher compare to the other two modes of vehicle. CONCLUSIONS In this paper we have proposed on-going research which is being undertaken to investigate the suitability of using IEEE 802.15.4 Zigbee for the intelligent transportation systems applications. During the course of action three main processes was taken into consideration that’s collision control, congestion avoidance, vehicle priority. And all theses process should happen without any time delay, which we have successfully achieved. Figure 1. Lane Change Scenario Zigbee[2][3]: The working principle is simple; the transmitter feeds a signal of encoded data modulated into RF waves which in turn fed into the antenna. The transmitting antenna radiates the signal through the air where it is picked up by the antenna of the receiver. The receiver demodulates the RF waves back into the encoded data stream sent by the transmitter. Figure 3. Proposed Architecture ACKNOWLEDGEMENTS I owe my heartfelt thanks to my Guide for his precious efforts and consistent encouragement all through my Project. * This work was supported by the Brain Korea 21+ Program. RESULTS REFERENCES When a key is pressed an alarm sounds, and a Message is displayed in the hardware kit as follows [l] Y.J.Stephanedes, C.Douligeris, and S.Takaba “Communications for the intelligent transportation system”.IEEE Commun. Magazine. [2] Zigbee Specification, ZigBee Document 053474r06 Version 1.0, Zigbee Alliance Std., Dec. 2004. [3] S.S. Dorle,D. M. Deshpande,A. G. Keskar and Megha Chakole “Vehicle Classification and Communication Using Zigbee Protocol”., Nov. 2010 [4]Bento, L.C. ;  “Inter vehicle sensor fusion for accurate vehicle localization  supported by V2V and V2I communications "Intelligent Transportation Systems (ITSC), 2012 15th International IEEE Conference Figure 2. Congestion Prevention In congestion prevention scenario the vehicle equipped with model indicate the other vehicle about the congestion. A signaling method is used (i.e. TURN TO STOP) this message is sent to the other vehicle equipped with the system with an alarm. So that the other vehicle can stop in order to avoid the congestion. Figure 4. Preliminary results