A simple random sample is a subset of a statistical population where each member of the population is equally likely to be ...
Abstract: In this work, we study the active user detection and channel estimation problem in massive multiple-input multiple-output (MIMO) grant-free random access systems. To exploit the favorable ...
Abstract: This paper introduces a novel framework for high-fidelity ring artifact removal in computed tomography (CT) by integrating projection-domain localization and image-domain refinement.
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