Abstract
The paper reports a high gain linear 1*4 antenna array using circular slotted patch for 5G communication applications. The proposed antenna has been designed for 28 GHz frequency and supports TM11 as a fundamental mode at resonance. To feed the antenna array, microstrip feed technique has been utilized here. The antenna has been designed on Rogers RT/Duroid 5880 substrate with dielectric constant of 2.2 and thickness of 0.254 mm. Further, a detailed electromagnetic analysis of antenna has been done in the paper to provide better understanding of the proposed concept using commercially available CST Microwave studio. To validate the concept, the prototype of the proposed antenna has been characterized using VNA and anechoic chamber. The proposed array antenna has been designed for 28 GHz center frequency with 16 dB return loss and having − 10 dB impedance bandwidth of 10% (24.6–27.24 GHz) in the millimeter-wave band. Measured and simulated results are in good agreement with each other.














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The proposed antenna is designed on CST Microwave Studio 2018.
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Gupta, P., Gupta, V. Linear 1 × 4 Microstrip Antenna Array Using Slotted Circular Patch for 5G Communication Applications. Wireless Pers Commun 127, 2709–2725 (2022). https://doi.org/10.1007/s11277-022-09896-4
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DOI: https://doi.org/10.1007/s11277-022-09896-4