Wideband Patch Antenna Element for Broadcast Applications in Lower 5G Bands
In this paper, design of an element for an antenna array covering lower 5G frequency bands is proposed. The antenna element consists of FR-4 (lossy) dielectric having thickness of 1.6 mm with 0.025 loss tangent and dielectric constant 4.3 as substrate. On the top of substrate, metal patch is extended by metallic strips of successively reduced widths and lengths to get wideband characteristic. On the bottom of the design, partial ground plane is used. To improve its radiation characteristics in desired direction, the above-mentioned patch antenna is suspended over full ground plate. The proposed antenna is having bandwidth good enough to cover entire 3 to 5 GHz 5G frequency bands. More than 5 dBi realized gain is obtained for almost all the required 5G frequencies with more than 80% total efficiency, which is essential to be a good broadcasting element. The proposed antenna design is simulated in microwave studio tool of CST-2016 software.
KeywordsMicrostrip patch antenna Wideband Radiation pattern 5G bands Partial ground plane
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