Design of UWB antenna with 5G frequency band-notched using split ring-shaped slit

Ultra-wideband (UWB) technology for wireless communications has been received attention for many years. UWB antennas require characteristics that maintain good impedance matching and radiation patterns over a wide frequency range. The UWB frequency range includes the already existing narrow band, which can cause interference to the UWB system. To minimize this interference, we propose a notch band antenna that removes the 5G (3.4 GHz - 3.7 GHz) band using a split ring-shaped slit.