Title

Double U-slots stacked patch antenna with copper plate and air gap for wireless LAN applications

RIS ID

126790

Publication Details

Nornikman, H., Abdulmalek, M., Ahmad, B. H., Rahim, H. A., Al-Khatib, O., Aziz, M. Adb., Soh, P. J., Zakaria, M. K. A., Amri, N. Nik., Rosli, N., Kamal, Z. & Bakar, H. A. 2018, 'Double U-slots stacked patch antenna with copper plate and air gap for wireless LAN applications', Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL), 2017, IEEE, United States, pp. 1209-1214.

Abstract

With the higher speed growth and wide use of wireless telecommunication technology in recent years, the demand for miniature size, low profile, broadband and high gain antennas have increased so rapidly. The slots at the patch antenna is one of the technique can be used to cater this problem. This works proposed a stacked patch antenna with double U-slots structure technique at the patch antenna for Wireless LAN application. This proposed stacked patch antenna is designed on FR-4 substrate with dielectric constant of 4.4 and substrate thickness of 1.6 mm with an air gap between the substrate and ground. Firstly, a basic patch antenna had been design. Then, a 65 mm x 65 mm stacked patch of copper plate was used as the ground plane under-shape patch. By integrating the stacked patch with air gap and the double U-slots techniques, the proposed designed offer an improvement in term of the gain and wide bandwidth of the antenna. A parametric study is of the patch width, patch length and length slot are determined to realize the antenna design. The results show the gain values increased from 7.189 dB to 7.358 dB at resonant frequency of 2.4 GHz with a return loss of −14.739 dB. The increment of the length of slot effects the increase value of the return loss of the antenna. Compare with the basic antenna with 100 MHz of bandwidth, the performance for this proposed antenna is 120 MHz with the operating frequency range from 2.34 GHz to 2.46 GHz.

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Link to publisher version (DOI)

http://dx.doi.org/10.1109/PIERS-FALL.2017.8293316