MINIATURIZED TRIPLE WIDEBAND CPW-FED PATCH ANTENNA WITH A DEFECTED GROUND STRUCTURE FOR WLAN/WIMAX APPLICATIONS

Authors

  • Ahmed Zakaria Manouare
  • Saida Ibnyaich
  • Abdelaziz EL Idrissi
  • Abdelilah Ghammaz

DOI:

https://doi.org/10.1590/2179-10742016v15i3497

Keywords:

Coplanar waveguide (CPW) feed, Patch antenna, Triple-band antenna, Wideband antenna, WLAN/WiMAX applications

Abstract

A coplanar waveguide (CPW)-fed patch antenna with triple wideband is presented for simultaneously satisfying Wireless Local Area Network (WLAN) and Worldwide Interoperability for Microwave Access (WiMAX) applications. The proposed antenna mainly consists by three radiating elements: inverted L-shaped Stub1, inverted L-shaped Stub2, and a rectangle Stub3 with a defected ground structure for band broadening. By adjusting the lengths of the three Stubs, three resonant frequencies can be achieved and adjusted separately. The proposed antenna with overall size of only 20x37mm2 explores good triple wideband operation with −10 dB impedance bandwidths of 25.70%, 45.63%, and 50.10% at 2.47, 3.20, and 4.92 GHz, respectively, covering the 2.4/5.2/5.8 GHz WLAN and 2.5/3.5/5.5 GHz WiMAX operation bandwidths. This design gives suitable results with a reduction in size and weight and allows integration in handheld devices. Furthermore, nearly omnidirectional radiation patterns over the operating bands have been obtained.

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Published

2016-08-01

How to Cite

Ahmed Zakaria Manouare, Saida Ibnyaich, Abdelaziz EL Idrissi, & Abdelilah Ghammaz. (2016). MINIATURIZED TRIPLE WIDEBAND CPW-FED PATCH ANTENNA WITH A DEFECTED GROUND STRUCTURE FOR WLAN/WIMAX APPLICATIONS. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe), 15(3), 157-169. https://doi.org/10.1590/2179-10742016v15i3497

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Regular Papers