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Design of Octagonal CPW-Fed Broadband Millimeter Wave Antenna for 5G Applications
S. Ashok Kumar,T. Shanmuganantham,D. Sindhaniselvi,A. L. Sharon Giftsy 한국전기전자재료학회 2023 Transactions on Electrical and Electronic Material Vol.24 No.2
A CPW-fed antenna is designed with octagonal shaped patch operating at a broadband millimeter-wave frequency from 24.8 to 48.8 GHz for wireless 5G applications. The antenna was design with dimensions of 20 × 20 × 1.6 mm 3 are made with low cost FR4 loss free substrate with dielectric constant (ε r ) of 4.3 using the CST Microwave Studio software. Simulated radiation pattern and return loss < -10 dB is achieved at a frequency of 28 GHz, 30.78 GHz, 38 GHz, 41.64 GHz and 44.16 GHz with the gain of 5.1 dB, 6.39 dB, 6.59 dB, 7.48 dB and 7.04 dB. The voltage standing wave ratio (VSWR) < 2 at (24.8–48.8) GHz which indicates that these frequencies operated by the antenna has minimum reflection.