Abstract: This letter develops a two-stage channel estimation protocol for a reconfigurable intelligent surface (RIS)-aided multi-user (MU) millimeter wave (mmWave) system, in which the base station ...
Abstract: Uncrewed aerial systems (UASs) were popularly used by hobbyists in the past, but they have now become critical enablers for managing disasters, handling emergencies, and so on. For example, ...
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