Stacked T-Shaped Strips Compact Antenna for WLAN and WiMAX Applications
Madurakavi Karthikeyan, R. Sitharthan, Tanweer Ali, Sameena Pathan, Jaume Anguera, D. Shanmuga Sundar
Abstract
Abstract A compact triple band antenna with stacked T-shaped strips inside a rectangular ring monopole has been proposed. This novel structure with a slot in the defected ground achieves triple band opration i.e. 2.47–2.77 GHz, 3.3–3.7 GHz and 5.10–6.62 GHz. These bands find application in important wireless communication standards like WiMAX (3.3–3.8 GHz, and 5.25–5.85 GHz, WLAN (2.4 G-2.5 GHz, 5.1–5.3 GHz, and 5.72–5.85 GHz). The antenna is printed on a FR-4 substrate with an overall dimension of $$33 \times 17 \times 1.6 \;{\text{mm}}^{3}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mn>33</mml:mn> <mml:mo>×</mml:mo> <mml:mn>17</mml:mn> <mml:mo>×</mml:mo> <mml:mn>1.6</mml:mn> <mml:mspace/> <mml:msup> <mml:mrow> <mml:mtext>mm</mml:mtext> </mml:mrow> <mml:mn>3</mml:mn> </mml:msup> </mml:mrow> </mml:math> . An impedance bandwidth of 11% (2.47–2.77 GHz), 11% (3.3–3.7 GHz) and 25% (5.10–6.62 GHz) is obtained. A good conjunction between the simulated and measured results is inferred from the antenna design analysis.