Wireless Location services have recently attracted much interest. To know mobile caller's location opens a new class of services and products. In this paper, individual, simple and widely applicable methods which utilize GPS unit only are investigated. We use the velocity data from the unit and propose new method for human navigation. Firstly, devices, the best position of the GPS antenna installation was examined. Secondly, the accuracy of the position measurement using the method on an ideal condition was investigated. The experiments show that the best position to wear the GPS antenna for using the method was the "head", the accuracy was about 10%. We also proposed the map matching method that revise position data measured by the proposed human navigation method.
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