https://ieeexplore.ieee.org/abstract/document/8637754/
D Wu, Y Zang, H Luyen, M Li, N Behdad - IEEE Antennas and Wireless Propagation …, 2019
A compact, vertically polarized simultaneous transmit and receive (STAR) antenna with a high transmit-receive isolation level and an omnidirectional radiation pattern in the azimuth plane is presented. The proposed STAR antenna consists of transmit …