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Dual Band Triangular Microstrip Antenna for WLAN/WiMAX Applications

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A novel and compact dual-band coaxial-fed triangular microstrip antenna for Wireless Local Area Network (WLAN) and Worldwide Interoperability for Microwave Access (WiMAX) applications with Koch boundary is presented. The proposed antenna consists of a triangular radiating patch with two U-Slots, Koch boundary, and partial ground plane. The antenna with Koch fractal boundary is able to generate an impedance bandwidth of -10 dB to cover the frequency bands of WLAN (2.32 – 2.44 GHz) and the WiMAX (3.46 – 3.58 GHz). Owing to the characteristics of gain, radiation pattern, and improved return loss, the proposed antenna is quite good for heterogeneous communication systems with WLAN and WiMAX radio networks. The overall dimension of the antenna is 43mm×40mm×1.6mm.
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Wireless Local Area Network (WLAN); Wireless Interoperability for Microwave Access (Wimax); Triangular Microstrip Patch Antenna (TMSA); Dual-Band

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