Design and Implementation of Single-Layer 4 × 4 and 8 × 8 Butler Matrices for Multibeam Antenna Arrays

by George A. Adamidis, Ioannis O. Vardiambasis, Melina P. Ioannidou, Theodoros N. Kapetanakis
Published 2019-01-01

Embroidered Βow-Tie Wearable Antenna for the 868 and 915 MHz ISM Bands

by Theodoros N. Kapetanakis, Martin Pavec, Melina P. Ioannidou, Christos D. Nikolopoulos, Anargyros T. Baklezos, Radek Soukup, Ioannis O. Vardiambasis
Published 2021-08-01