Falahati, Abolfazl Naghshvarian-Jahromi, Mahdi Edwards, Robert Wideband fan-beam low-sidelobe array antenna using grounded reflector for DECT, 3G, and ultra-wideband wireless applications low-sidelobe fan-beam wideband linear array antenna employing a nonparasitic grounded reflector is presented. This fan-beam antenna is achieved using a six-element conventional planar monopole array antenna and feed network, which together produce sidelobes at 26 dB. Dolph–Tschebyscheff distribution is employed, and a broadband array feed network is designed to satisfy beneficial input impedance bandwidth requirements in the frequency range 1.7–2.2 GHz. Therefore, this array covers applications of GSM-DCS2, DECT, and 3G. Combining planar monopole antenna as an array with nonparasitic grounded reflector allows an advantageous fan beam pattern to be generated. H-plane 3-dB beamwidths are controllable using grounded reflector height. In addition, the results are compared with and without reflector array antenna. Array antenna;DECT band;Dolph-Tschebyscheff distribution;Fan-beam antenna;Ground reflector;3G bands;Ultra-wideband radio;Mechanical Engineering not elsewhere classified 2016-07-26
    https://repository.lboro.ac.uk/articles/journal_contribution/Wideband_fan-beam_low-sidelobe_array_antenna_using_grounded_reflector_for_DECT_3G_and_ultra-wideband_wireless_applications/9546635