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Ultra-wideband Microstrip Array Antenna for 5G Millimeter-wave Applications

Efri Sandi, Rusmono, Aodah Diamah, and Karisma Vinda
Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Jakarta, Jakarta Timur, Indonesia
Abstract—In this paper, a design of ultra-wideband microstrip array antenna using a stepped line cut and U-slot combination for 5G millimeter-wave applications is proposed. The feeding technique used in the proposed design is a proximity coupling technique to improve bandwidth performance. The proposed antenna bandwidth performance is compared with the conventional antenna array design to determine the bandwidth increase. Numerical and simulation results show a significant increase in bandwidth performance compared to conventional design. The proposed antenna design can operate at frequency band 28 GHz with a bandwidth 4.47 GHz and gain 8.71dB. These results prove that the proposed antenna design can be used for 5G technology applications in the millimeter-wave band.
Index Terms—Stepped line cut, U-slot, Ultra-wideband, 5G Antenna, Proximity coupled fed

Cite: Efri Sandi, Rusmono, Aodah Diamah, and Karisma Vinda, “Ultra-wideband Microstrip Array Antenna for 5G Millimeter-wave Applications,”Journal of Communications vol. 15, no. 2, pp. 198-204, February 2020. Doi: 10.12720/jcm.15.2.198-204
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