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1 International Journal of Electronics and Telecommunications

1 2025

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High-gain and wide-bandwidth patch antenna for fifth generation communication applications at K-Band

Nafea Safa N., Khamiss Nasser N.

International Journal of Electronics and Telecommunications

2025

Vol. 71, No. 1

209-214

The patch antenna usually used for many wireless applications, and fifth generation (5G) is the most attracting application in the field of millimeter wave communications recently. The researchers worked on solving problems those considered milestones against using patch antenna for 5G applications such as being an antenna with moderate gain and narrow operating bandwidth with high side lobe levels. In this article a microstrip patch antenna had been presented to operate over the n258 - Band for 5G communications at 26 GHz with an operating bandwidth around than 7 GHz. The proposed antenna was printed on Rogers RT/Duroid 5880 substrate. A high gain of 8.10 dB had been achieved with high Front-to-Back ratio of 24.47 dB and very low side lobe levels far field radiation pattern around -17 dB. The proposed antenna covered the operating bandwidth n258 for fifth generation applications in range of (24.25 - 27.50) GHz. The Computer simulation Technology (CST) had been used as a simulation environment for this design.