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ULTRA WIDEBAND SLOTTED MODIFIED H-SHAPED MICROSTRIP PATCH ANTENNA FOR WIRELESS APPLICATIONS

By Thangadurai N. 3 C.R. Byrareddy 2 Nagabhushana H.M.*1

Abstract

The wireless communication system is gaining more and more progress in recent years with the support of microstrip patch antennas. Microstrip patch antennas are more comfortable for wireless devices due to their compactness, easy fabrication, and mounting. The ultra wideband slotted modified H-shaped microstrip patch antenna is presented in this article for wireless devices. Ultra wideband is achieved along with another small band makes it dual band pattern. The first band is a small band radiates at 2.95 GHz ranging from 2.68 GHz to 3.14 GHz with a bandwidth of 460 MHz. This is applicable in the wireless devices like WiMAX, IMT etc. The second band is the ultra wideband (UWB) radiates at 4.46 GHz, 8.2 GHz and 9.4 GHz ranging from 3.37 GHz to 10.1 GHz with a bandwidth of 6.73 GHz. WLAN, WiFi, WiMax and LTE can occupy this band to operate. Both the bands have maintained at VSWR<2 and the gain are kept at least -10 dB. The proposed antenna is simulated using High Frequency Structural Simulator (HFSS v15) software and fabricated on a low-cost FR4 substrate having a dielectric constant of 4.4 and height 1.6 mm with a 50-ohm microstrip line feeding. The miniaturization of the antenna is achieved with slots in the patch and ground plane, hence the name slotted patch and partial ground. The complete size of the antenna is 34x30x1.6 mm2. The simulated and experimental results are compared to conclude that both are lightly deviated

Topics: UWB, Slotted Patch, FR4, VSWR, Return loss. HFSS, Wireless.
Year: 2017
DOI identifier: 10.5281/zenodo.822961
OAI identifier: oai:zenodo.org:822962
Provided by: ZENODO
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