Wideband DGS Slot Loaded Patch Antenna for High-Speed mm-wave 5G Applications
| Authors | A. Rai1, K. Kundu2, J.P. Keshari3, M.L. Naidu4 |
| Affiliations |
1Department of ECE, Lloyd Institute of Engineering and Technology, Greater Noida, India 2Department of ECE, G.L.Bajaj Institute of Technology & Management, Greater Noida, India 3Department of ECE, Government Engineering College, Sheikhpura, Bihar, India 4Department of Electronics and Commúnication Engineering, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Guntur, Andhra Pradesh, 522302 India |
| Е-mail | hassinfo_10@yahoo.fr |
| Issue | Volume 17, Year 2025, Number 2 |
| Dates | Received 12 February 2025; revised manuscript received 20 April 2025; published online 28 April 2025 |
| Citation | A. Rai, K. Kundu, et al., J. Nano- Electron. Phys. 17 No 2, 02019 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(2).02019 |
| PACS Number(s) | 84.40. Ba |
| Keywords | 5G communication system, Wideband patch antenna, Slot antenna, Millimeter wave, Defected Ground Structure (DGS). |
| Annotation |
A wideband antenna has almost or precisely the same operating parameters throughout a very large Passband. It differs from broadband antennas in that the passband is extensive, but the antenna strength and/or emission pattern do not have to remain constant across the passband. DGS refers to the faults or slots on the ground plane of microwave planar circuits. DGS has been designed to improve the performance of numerous devices and increase bandwidth. Current work presents a high-speed DGS-loaded wideband microstrip antenna that can be used in the 5G millimeter wave application in the band of frequency between 24 – 27 GHz having a return loss value of – 28.09 dB with wideband characteristic. The Ansys HFSS v15 has been used to design and measure antenna parameters. The simulation process has been done using low-cost substrate material FR4 whose dielectric constant is 4.4 and has a thickness of 0.8 mm. The designed antenna structure has dimensions of 7 mm 7 mm 0.8 mm. Both measured and simulated results are found to be similar. The gain of the proposed antenna is found to be 2.01 dB while radiation efficiency is measured to be greater than 90 % in the range of frequency (24 – 27 GHz). The designed antenna covers the 5G spectrum and effectively operates in n257, n258 and n261 bands. In this structure wideband has been achieved by making slots onto the patch antenna and a large gain has been achieved by different dimensions of slots onto the ground plane. |
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List of References |
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