Abstract
This paper presents the design of a compact multi-millimeter wave (MMW) antenna array. This is a 2-D Microstrip patch antenna which is designed by using collinear array concept for future 5G frequencies. By using edge feed mechanism providing better impedance matching between Microstrip line and patch antenna array. HFSS 18 is used to design and simulate this proposed antenna. The proposed antenna has dimensions of 19mm × 26mm(L × W). The substrate material used in proposed antenna is RT-duroid 5880 for achieving better gain and bandwidth. The substrate has dielectric constant = 2.2. This proposed 2-D antenna array is operating for four frequencies. These frequencies are 24.7GHz, 27.7GHz, 35.4GHz, 40.3GHz. This antenna has linear polarization over entire frequency spam. This proposed antenna offers high efficiency and high gain in all millimeter wave spectrum. The antenna's return loss is also very good. In E-plane and H-plane, the projected antenna has wider beam widths. Impedance bandwidth is also more from 34.18Ghz to 35.96Ghz. This projected antenna is useful for future 5G communication.
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