Low Complexity DOA Estimation of Multiple Coherent Sources Using a Single Direct Data Snapshot
Ahmed A. Hussain,
Nizar Tayem,
Abdel-Hamid Soliman
Abstract:The direction of arrival (DOA) estimation of multiple radio frequency (RF) coherent signals using conventional algorithms such as Multiple Signal Classification (MUSIC), Estimation of the Signal Parameters via the Rotational Invariance Technique (ESPRIT), and their variants is computationally complex and usually requires a large number of data snapshots for accurate estimation. As the number of antenna elements grows, particularly in massive MIMO systems, the complexity of real-time DOA estimation algorithms s… Show more
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