Abstract: This paper proposes a cluster-based low-complexity codebook design scheme for hierarchical near-field beam training in extremely large-scale MIMO(XL-MIMO), referred to as the cluster ...

Abstract: In this work, we address the question of the adaptability of artificial neural networks (NNs) used for impairments mitigation in optical transmission systems. We demonstrate that by using ...

With President Obama’s historic declaration that the United States and Cuba will resume normal diplomatic relations, as well as animation’s increasing growth and popularity in Central and South ...