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EFFICIENT IMPLEMENTATION OF THE CAPON BEAMFORMING USING THE LEVENBERG-MARQUARDT SCHEME FOR TWO DIMENSIONAL AOA ESTIMATION

By S.-W. Cho and J.-H. Lee

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Abstract:
In this paper, we adopt the Levenberg-Marquardt (LM) algorithm to implement the nonlinear multivariable optimization for azimuth/elevation angle-of-arrival (AOA) estimation based on the Capon beamforming algorithm. The formulation is based on the fact that the cost function of the Capon algorithm can be expressed in a least-squares form. The performance in terms of the root mean square error (RMSE) and the computational complexity is illustrated via numerical results.

Citation:
S.-W. Cho and J.-H. Lee, "Efficient Implementation of the Capon Beamforming Using the Levenberg-Marquardt Scheme for Two Dimensional AOA Estimation," Progress In Electromagnetics Research, Vol. 137, 19-34, 2013.
doi:10.2528/PIER12122711
http://www.jpier.org/PIER/pier.php?paper=12122711

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