A Fast Doa Estimation Algorithm for Uniform Circular Arrays in the Presence of Unknown Mutual Coupling

Abstract

Based on the beamspace transform and the rank reduction theory (RARE), a fast direction of arrival (DOA) estimation algorithm in the presence of an unknown mutual coupling is proposed for uniform circular arrays (UCAs). Via relying on the circular symmetry and expanding the mutual coupling into a limited number of phase modes, the azimuth estimates are able… (More)

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