MULTIANGULATION POSITION ESTIMATION PERFORMANCE ANALYSIS USING A BARTLETT’S BEAMFORMING METHOD
DOI:
https://doi.org/10.4314/njt.364.1486Keywords:
multiangulation system, position estimation, beam forming, Monte Carlo Simulation, position bearingAbstract
In this work, a complete multiangulation system was developed and its performance in term of position estimation (PE) was determined. The developed system uses Bartlett’s beam forming method to estimate AOA of the signal impinging on the 16-element sensor array in a uniform linear array (ULA) geometry at each ground receiving station (GRS). The AOA measurements are then used as input to a linear angulation algorithm for PE. The PE accuracy of the developed system was determined using Monte Carlo simulation and compared with the directional rotating antenna multiangulation system using a square GRS configuration. Simulation results shows that the developed multiangulation PE error is 50% lower than that of the directional rotating antenna system. Furthermore, the PE error of the developed system is higher for emitting sources within the system coverage with position bearings within 610 to 1200 and 2400 to 3000 than other emitting source locations.
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