Abstract: In this paper, we investigate the far-field and near-field codebook-based beam training for multi-user modular extremely large-scale multiple-input multiple-output (XL-MIMO) communications, ...
Abstract: Obtaining accurate and timely channel state information (CSI) is a fundamental challenge for large MIMO systems. Mobile cellular systems like 5G use a beam management framework that joins ...
A visible shape-metal alloy seismic system keeps the building plumb, and makes it a teaching tool for earthquake-resilient ...
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