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*E-mail: tiwaryk1@rediffmail.com, ktiwari@drdl.drdo.in.
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The use of global positioning system (GPS) for precision guidance of weapons is being questioned due to its vulnerability of jamming and spoofing for non-military code users. In this paper a novel approach is proposed for guidance of weapons where use of GPS or other civilian Satellite-based navigation system is threatened. The proposed approach is modelled and simulated using Simulink for realistic trajectories and scenario. The results of simulation are validated with the actual GPS data.
Pseudolite, global navigation satellite system, indian regional navigation satellite system, inverted positioning, carrier phase navigation
