With the increasing demand for high-speed and reliable communication in 5G networks, efficient antenna design for the sub-6 GHz band has become a crucial research area. Slotted patch antennas offer significant advantages such as compact size and wide bandwidth, making them suitable for 5G-enabled devices. However, achieving high gain, broad bandwidth, and stable radiation characteristics within the compact form factor remains challenging, especially in the 3.5–4.5 GHz range used for sub-6 GHz 5G. This work presents a novel slotted hexagonal patch antenna structure designed to operate efficiently within the 3.3–4.2 GHz frequency range. The design introduces a unique hexagonal geometry with symmetrical slotting and ground plane optimization to enhance return loss, bandwidth, and gain. Simulation using HFSS yielded a peak gain of 5.3 dBi, a return loss of -32 dB at 3.8 GHz, and a bandwidth of 850 MHz. The design also achieved a radiation efficiency of 92.4%, and a VSWR of 1.1.
K. Kayalvizhi1, S. Ramesh2
Sri Sairam Engineering College, India1, SRM Valliammai Engineering College, India2
5G Antennas, Slotted Patch, Sub-6 GHz, Hexagonal Geometry, HFSS Simulation
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| Published By :
ICTACT
Published In :
ICTACT Journal on Microelectronics
( Volume: 11 , Issue: 1 , Pages: 2005 - 2010 )
Date of Publication :
April 2025
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