A Study on Dual-band Microstrip Rectangular Patch Antenna for Wi-Fi

Rabnawaz Sarmad Uqaili; Junaid Ahmed Uqaili; Sidrish Zahra; Faraz Bashir Soomro; Ali Akbar

doi:10.46604/peti.2020.6266

Authors

Rabnawaz Sarmad Uqaili Beijing University of Posts and Telecommunications, Beijing, China
Junaid Ahmed Uqaili Beijing University of Posts and Telecommunications, Beijing, China
Sidrish Zahra University of Electronic Science and Technology of China, Chengdu, China
Faraz Bashir Soomro Mehran University of Engineering and Technology, Jamshoro, Sindh, Pakistan
Ali Akbar Iqra University, Karachi, Sindh, Pakistan

DOI:

https://doi.org/10.46604/peti.2020.6266

Keywords:

antennas, microstrip patch, dual-band, Wi-Fi

Abstract

This paper presents the design of a dual-band microstrip patch antenna for Wi-Fi that operates at 2.5 GHz and 5.8 GHz. The antenna contains a rectangular patch with two rectangular slots. The first slot is incorporated in the patch while the second slot is incorporated in the ground plane. The antenna is based on a microstrip fed rectangular patch printed on the FR-4 epoxy substrate with a dielectric constant of 4.4 and a thickness of 1.6 mm with patch size 24 mm × 21 mm. The simulated result shows that the realized antenna successfully works on dual-band and subsequently achieves a bandwidth of 100 MHz and 200 MHz as well as the return loss about -29.9 dB and -15.16 dB for 2.5 GHz and 5.8 GHz respectively. A stable omnidirectional radiation pattern is observed in the operating frequency bands. The antenna meets the required specifications for 802.11 WLAN standards.

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