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In recent times the cost of mobile communication has dropped significantlyleading to a dramatic increase in mobile phone usage. The widespread usage hasled mobiles to emerge as a strong alternative for other applications one ofwhich is tracking. This has enabled law-enforcing agencies to detectoverspeeding vehicles and organizations to keep track its employees. The 3major ways of tracking being employed presently are (a) via GPS [1] (b) signalattenuation property of a packet [3] and (c) using GSM Network [2]. The initialcost of GPS is very high resulting in low usage whereas (b) needs a very highprecision measuring device. The paper presents a GSM-based tracking techniquewhich eliminates the above mentioned overheads, implements it in NS2 and showsthe limitations of the real life simulation. An accuracy of 97% was achievedduring NS2 simulation which is comparable to the above mentioned alternatemethods of tracking.

Simulation to track 3D location in GSM through NS2 and real life