Abstract: This paper proposes a millimeter-wave phase-controlled patch antenna by exciting even and odd modes. Furthermore, a phased array with large beam coverage for Vehicle-to-Everything (V2X) ...

Abstract: In the radio-frequency and microwave domains, waves carrying an orbital angular momentum (OAM, vortex waves) are used to improve the performance of wireless communications systems, where OAM ...

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Bell Labs built a giant antenna in Holmdel, New Jersey, in 1960. It was part of a very early satellite transmission system called Echo. By collecting and amplifying weak radio signals bounced off ...