Design of Compact UWB Rectangular Patch Antenna for WiMAX/WLAN Applications
DOI:
https://doi.org/10.26438/ijcse/v6i3.157160Keywords:
Defected Ground Structure (DGS), Ultra Wide Band (UWB), Worldwide Interoperability for Microwave Access (WiMAX), Wireless Local Area Network (WLAN), Voltage Standing Wave Ratio (VSWR)Abstract
This paper proposes a design of rectangular slot antenna with defected ground structure (DGS) loaded. DGS is used for improving the parameters of microstrip antenna .The designed antenna has compact size of 33(L) ×35.5(W) ×1.6(H) mm3. The proposed antenna is designed and fabricated on glass epoxy substrate FR-4 with dielectric constant 4.4 and loss tangent 0.02.The proposed design has the return loss of less than -10dB and VSWR < 2 dB for desired operating bands. The antenna shown two distinct bands I from 3.0 GHz to 4.2 GHz, and II from 5.2 GHz to 6.2 GHz, which cover WiMAX (fc = 3.5 GHz), and WLAN (fc = 5.8 GHz) respectively. The measured results of the antenna can achieved a total bandwidth (2.1GHz -10.7GHz) 8.6GHz for UWB applications. The proposed antenna is simulated using CST V.12microwave studio software using 50Ω strip-feed line.
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