Performance enhancement of Graphene-Based elliptical patch antenna for THz applications
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Author |
Ashraful Islam, Arifur Rahman, Ohidul Islam, Matiqul Islam and Kamal Uddin
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e-ISSN |
1819-6608 |
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On Pages
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2165-2170
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Volume No. |
18
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Issue No. |
19
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Issue Date |
December 11, 2023
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DOI |
https://doi.org/10.59018/1023266
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Keywords |
THz band, graphene, T-shaped slotted patch, return loss, gain, bandwidth, CST.
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Abstract
The advancement of wireless communication applications has proliferated in recent years. The antenna design is crucial in evaluating the effectiveness of most of these wireless communication applications that demand extensive bandwidth and a lofty data rate. THz (Terahertz) band is becoming a key factor for advanced wireless communication applications. The design of microstrip patch antennas in the THz band is preferred as one of the most significant for advanced wireless applications. This paper proposed an elliptical patch antenna with a T-shape slot on the patch and partial ground methods to meet the speed demand of advanced wireless communication systems. The overall size of the antenna is 160 × 120 µm2. We investigated the antenna performance by using computer simulation technology (CST) simulation software. The simulation results indicate that our proposed antenna improves the bandwidth by 0.72 THz (720 GHz) with a return loss suppression of 12 dB. Moreover, the gain and efficiency of the proposed antenna show satisfactory enhancement. Based on the concept of a T-shape slot on the patch and partial ground method, we confirm the performance improvement of the proposed antenna through simulation results.
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