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AMPLITUDE AND DIRECTIONAL OF ARRIVAL ESTIMATION: COMPARISON BETWEEN DIFFERENT TECHNIQUES

By F. Zaman, I. M. Qureshi, A. Naveed, J. A. Khan, and R. M. Asif Zahoor

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Abstract:
In this work, we propose a method based on Genetic algorithm hybridized with Pattern Search for joint estimation of Amplitude and Direction of Arrival, azimuth as well as elevation angles using L-type array. Four other schemes i.e., the Genetic algorithm, Pattern Search, Simulated Annealing and Simulated Annealing hybridized with Pattern Search are also discussed and compared with Genetic algorithm hybridized with Pattern Search. Multiple sources are taken in the far field of sensors array and Mean Square Error is taken as a fitness function. This fitness function is optimal in nature and requires only a single snapshot. It avoids any ambiguity or required permutation as in some other methods to link it with angles found in the previous snapshot. The reliability and effectiveness of the proposed scheme is tested on the basis of Monte- Carlo simulations and its statistical analysis.

Citation:
F. Zaman, I. M. Qureshi, A. Naveed, J. A. Khan, and R. M. Asif Zahoor, "Amplitude and Directional of Arrival Estimation: Comparison Between Different Techniques," Progress In Electromagnetics Research B, Vol. 39, 319-335, 2012.
doi:10.2528/PIERB12022109

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