A Small Quad-Band Microstrip Patch Antenna with Folded Strip Lines for WiMAX/WLAN and ITU Applications

Yashar Zehforoosh, Mir Hamed Rezvani

Abstract


In this article, a small Quad-Band microstrip patch antenna with folded strip lines for WiMAX/WLAN and ITU Applications is presented. This antenna consists of eight symmetrical rectangular folded strip lines with 2 PIN diodes, ground plane and dimensions of 15 -20 -1.6mm3. Using PIN diodes integrated within the antenna configuration, the antenna would be able to operate in two modes. The operational frequency bands of antenna are WLAN (2.4/5.2/5.8GHz), WiMAX (3.5/5.5GHz) and ITU-Region 1 allocation (4.3GHz) when diodes=on. In this design approach of antenna, omnidirectional radiation pattern and        S11-10dB bandwidths are obtained for all frequency bands. This antenna is fabricated on FR4 substrate with permittivity of 4.4 and loss tangent of 0.024.

Keywords


Microstrip patch antenna, Quad-Band, WiMAX, WLAN, ITU.

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References


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DOI: http://dx.doi.org/10.1590/2179-10742017v16i41084

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