of IEEE 802.15.4 for Intelligent Transport System ApplicationJournal: International Journal of Scientific Engineering and Technology (IJSET) (Vol.2, No. 10)
Publication Date: 2013-10-01
Authors : Vaibhav P Choudhari J M Bhattad Gayatri Bhoyar;
Page : 1038-1043
Keywords : RFID; Vehicular Communication System; V2V; V2R; Co-operative Routing.;
These days, mass-produced vehicles benefit from research on Intelligent Transportation System (ITS). One prime example of ITS is vehicle Cruise Control (CC), which allows it to maintain a pre-defined reference speed, or to focus all of the driver’s attention on the steering of the vehicle. However, achieving efficient Cruise Control is not easy in roads or urban streets where sudden changes of the speed limit can happen, due to the presence of unexpected obstacles or maintenance work, causing, in inattentive drivers, traffic accidents. In this communication we present a new Infrastructure to Vehicles (I2V) communication and control system for intelligent speed control, which is based upon Zigbee technology for identification of traffic signals on the road, and high accuracy vehicle speed measurement with a Hall effect-based sensor. The efficient adaptation of the speed of the vehicle to the circumstances of the road. The performance of the system is checked empirically, with promising results. This paper proposes the modification of current market products and proposals of Zigbee system to make it suitable for vehicular communication system to route post-accident warning messages up to an effective NLOS distance in a co-operative manner. In a vehicular communication system, routing of warning messages in a co-operative manner increases vehicle safety and reduces mass crash, unexpected traffic jams after a crash and similar other incidents. It enables transmission of important data to the vehicles within an effective non-line-ofsight (NLOS) distance. We also show the simulated bit error rate (BER) results and co-operative routing distances for different vehicles in two scenarios. BER for both of the line-of-sight (LOS) and NLOS cases are calculated in the simulation.
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