Dielectric Loaded Small Antenna using Deffected Ground Structure.

F. Ullah; S. Bashir; A. Khan

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Dielectric Loaded Small Antenna using Deffected Ground Structure.

Author(s)

F. Ullah Department of Electrical Engineering, UET Peshawar, KP, Pakistan

S. Bashir Department of Electrical Engineering, UET Peshawar, KP, Pakistan

A. Khan Department of Electrical Engineering, UET Peshawar, KP, Pakistan

Abstract

A novel technique for designing small size printed antenna is proposed which is suitable for portable and multifunctional communication systems. The proposed design consists of material loading using high permittivity cylindrical rods under neath the patch and Defected Ground Structure (DGS) in the ground plane. The DGS consists of L-shaped, U-shaped and Ishaped slots. The size of the antenna has been reduced by66% as compared to a conventional antenna resonating at the same frequency. The other key feature of this antenna is impedance matched multiband response within 1-8GHzband with acceptable gain up to 4.1dB.All simulation results in this paper have been achieved from the CST Microwave Studio solver. This small size antenna can be used in portable devices for WiMAX, GPS, WLAN and Bluetooth applications.

Publication Details

Page(s) 23-29

DOI DOI not available

Published Journal: Technical Journal, Volume: 23, Issue: 4, Year: 2018

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Keywords

Small Antenna