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Abstract: In this letter, a circularly polarized (CP) massive multiple-input–multiple-output (MIMO) antenna with wide impedance/axial ratio (AR) bandwidths and reduced size is proposed. The antenna ...

Detected by Boston College researchers, the axial Higgs mode, and materials that contain it, could support quantum sensors to help answer persistent questions in particle physics The previously ...

Abstract: This paper presents a novel broadband spherical quadrifilar helical antenna (SQHA) to address the challenges of multi-system and multi-band compatibility in automatic satellite navigation ...