Dual-band 3.5/28GHz ellipse patch antenna with L-inverted Slot for 5G applications
Wireless technology has become a medium for information transfer, driven by the continuous evolution of mobile network generations. The fifth generation (5G) mobile network was first implemented in Malaysia in December 2021. Before, the widely used 4G network operated within the 700 MHz, 2.3 GH...
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| Main Authors: | , , , , , , |
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| Format: | Proceeding Paper |
| Language: | en |
| Published: |
IEEE
2026
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/127657/7/127657_Dual-band%203.528GHz%20ellipse.pdf http://irep.iium.edu.my/127657/ https://ieeexplore.ieee.org/document/11399151 |
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| Summary: | Wireless technology has become a medium for
information transfer, driven by the continuous evolution of
mobile network generations. The fifth generation (5G) mobile
network was first implemented in Malaysia in December 2021.
Before, the widely used 4G network operated within the 700
MHz, 2.3 GHz, and 2.6 GHz spectrum bands. However, these
low- and mid- frequency bands are not fully compatible with
the stringent requirements of 5G, which targets ultra-low
latency of 1 millisecond, which can be achieved with high-band
spectrum. Microstrip patch antennas are considered a
promising solution for 5G networks due to their low profile,
compact design, and efficient transmission and reception of
electromagnetic waves. Moreover, dual-band characteristics
can be readily incorporated into patch antenna designs. This
paper presents the design and simulation of a dual-band ellipse
microstrip patch antenna with L-inverted slot operating at 3.5
GHz (mid-band) and 28 GHz (high-band) for 5G applications.
The inclusion of the slot enables dual-band operation, achieving
good return loss values of –21.15 dB at 3.5 GHz and –17.91 dB
at 28 GHz. The antenna also demonstrates gains of 4.916 dBi
and 6.140 dBi at 3.5 GHz and 28 GHz, respectively. It is shown
that the design fulfills the baseline criteria for 5G applications,
highlighting its promise as a viable option for future wireless
communication technology. |
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