Abstract: Massive MIMO systems can significantly enhance communication quality by exploiting the direction-of-arrival (DOA) information of users. However, the high system complexity and cost pose ...

Abstract: This paper presents an efficient method for the synthesis of Circular Antenna Array (CAA) using the Archimedes Optimization Algorithm (ArOA), a recent physicsinspired metaheuristic based on ...

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Efficiency in lawn maintenance isn't just about driving faster; it's a calculated synergy between equipment capability, topographical strategy, and advanced technical knowledge. Bradley Mowers' ...

Browse 6,500+ abstract-tech-hexagon-background-red stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Abstract ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Some call it a walk on the wild side; for others it’s a bold neutral, and no matter how you look at it, ...

This paper presents a reflectarray antenna with an innovative dielectric mirror in the form of a discretized concave reflector. The mirror, manufactured via 3D printing, combines dielectric and air ...