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Dual Band Two Elements Inverted-L Antenna for 3.5 & 5 Ghz Mobile Wimax/Wi-Fi Applications

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Author(s): S.M. Sabbir Alam | A.S.M. Shariar Kabir Khan | Lakshman Saha | Mehedi Hassan Pavel | Tanvir Rahman

Journal: International Journal of Computer Science and Engineering Survey
ISSN 0976-3252

Volume: 2;
Issue: 2;
Start page: 22;
Date: 2011;
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Keywords: Inverted-L antenna | Wi-Fi | WiMAX | WLAN.

ABSTRACT
This paper presents the numerical simulations of dual band two elements Inverted-L antenna for 3.5GHz mobile WiMAX and 5 GHz Wi-Fi operation. The proposed antenna is feed by a coaxial connector.The antenna arms effectively control the excited resonant modes for Wi-Fi and mobile WiMAX operation.Total area occupies by the antenna is 20 mm × 30 mm. The antenna contains substantial gain with lessthan 0.3 and 2 dBi gain variation within the -10 dB return loss bandwidth at 3.5 and 5 GHz operatingfrequency respectively. In addition, the antenna has achievable bandwidth, return loss and radiationcharacteristics for both frequencies. Due to the compact area occupied, the proposed antenna ispromising to be embedded within the different portable devices employing 3.5 GHz mobile WiMAXand 5 GHz Wi-Fi operation.
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