C. Chokchai, Nattapong Duangrit, P. Akkaraekthalin
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Monopole MIMO antenna using decagon fractal patch resonator and defected ground plane for WLAN application
This paper presents a monopole MIMO antenna using decagon fractal patch resonator and defected ground plane for wireless local area network (WLAN) application. The fractal technique is applied on the edge of antenna patch for the lower band of operating frequency. Meanwhile, the ground plane of antenna is disturbed with rectangular shape to decrease the mutual coupling between the radiating patch of MIMO antenna. From the results, the proposed antenna with the compact size of 50 × 60 × 1.6 mm3 is obtained. Then, its operating bandwidth can cover the entire WLAN frequency band of 2.40–2.485 GHz with low level of mutual transmission, resulting in the correlation coefficient of 0.01. In addition, the radiation results with the contrary beams can clearly confirm that the spatial diversity platform is obtained in the proposed MIMO antenna.
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