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 GPS BASED VEHICLE TRACKING SYSTEMS
The AVL tracking system consists of a GPS receiver inside the vehicle and a communications link between the vehicle and the control Center as well as pc-based tracking software for dispatch. The communication system is usually a cellular network similar to the one used by your cellular phone. Currently all kind of communications networks permit Real-Time Tracking for mobile assets. Communications used by Laipac for Vehicle Tracking Systems (click for products):
· Tracking Systems over GSM SMS
· Tracking Systems over GPRS
The diagram below illustrates the basic AVL system. It shows the GPS signal arriving from satellite to vehicle. The vehicle location is communicated to the PC (Control Center) via wireless network. That's all there is in a basic AVL set-up.
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