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Adaptive Robust DOA Estimation for a 60-GHz Antenna-Array System

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5 Author(s)
Lee, M.-S. ; Electron. & Telecommun. Res. Inst., Daejeon ; Ji-Yong Park ; Katkovnik, V. ; Itoh, T.
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Direction-of-arrival (DOA) estimation in a phased-array system is considered for a non-Gaussian noise environment. In this paper, a robust M-estimation scheme based on Huber's loss function with an adaptive threshold is proposed. The method is evaluated using experimental data from the University of California, Los Angeles, 60-GHz antenna-array system. It is shown that the proposed method enables a decreased sensitivity of the DOA estimates with respect to noise components having heavy-tailed distributions.

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Vehicular Technology, IEEE Transactions on  (Volume:56 ,  Issue: 5 )