Abstract
In this paper, iterative square ring fractal antenna is proposed, designed and developed for Wireless application. The functional characteristics of the antenna such as return loss, VSWR, radiation pattern and gain are evaluated. Compact size and multi-band compatibility are the major design requirements of fractal antenna. The proposed antenna has the dimension of 20mm X 20mm and it supports dual band which is designed in FR4 substrate. It resonates at 5.9 GHz and 8.8 GHz with the return loss of -33dB, 16dB, respectively. Further, the performance of the antenna is analyzed by varying feed position, feed width and substrate thickness. By the analysis, we concluded that the proposed antenna have better performance at left feed position with 0.9mm of feed width at the substrate thickness of 3.2mm.
Highlights
Rapid growth in wireless communication demands extremely compact antenna with wider bandwidth [1], high data rate, low power requirements and easy hardware configuration [2]
The multiband and ultra wide band properties are supported by fractal antenna because of its self similarity property [10]
Iterative square ring shaped fractal antenna is proposed, designed and developed for Wireless Local Area Networks (WLANs) and X band applications that are centered at 5.9 GHz and 8.8 GHz, respectively
Summary
Rapid growth in wireless communication demands extremely compact antenna with wider bandwidth [1], high data rate, low power requirements and easy hardware configuration [2]. The multiband and ultra wide band properties are supported by fractal antenna because of its self similarity property [10]. Resonates at comparably lower frequencies than any other antennas of similar size [11]. These two properties made the fractal antenna more compact and suitable for wideband and multi- band behavior. Considering the hardware complexity incase of compactness and denial of multiband behavior [18] in other antennas, the proposed fractal antenna is miniaturized and supports dual band applications. Iterative square ring shaped fractal antenna is proposed, designed and developed for WLAN and X band applications that are centered at 5.9 GHz and 8.8 GHz, respectively.
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