Beam-Reconfigurable Antenna Based on Vector Modulator and Rotman Lens on LTCC. - Sabin Kumar Karki; Mikko Varonen; Mikko Kaunisto; Arto Rantala; Markku Lahti; Antti Lamminen; Jan Holmberg; Mikko Kantanen; Juha Ala-Laurinaho; Ville Viikari (IEEE Access, 2021)