AST SpaceMobile has successfully unfolded BlueBird 6, the largest commercial communications array ever deployed in Low Earth ...
Abstract: This paper proposes a Ka-band land-mobile satellite communication technology using a Circularly Polarized Active Phased-Array Antenna CPAPA. The CPAPA is an array with 60 elements arranged ...
Abstract: In this research work, a smartphone antenna array design with octagon slots is proposed for the fifth generation (5G) networks and massive multiple input, multiple output (MIMO) systems. The ...