Broadband printed antenna with modified rectangular patch and U-slot in ground plane

Iram Nadeem; Dong-You Choi

doi:10.3103/S0735272718120038

Authors

Iram Nadeem Chosun University, Korea, Republic of
Dong-You Choi Chosun University, Korea, Republic of https://orcid.org/0000-0003-0664-7908

DOI:

https://doi.org/10.3103/S0735272718120038

Keywords:

BWR, DGS, BDR, UWB, EBIV, bandwidth ratio, defective ground structure, bandwidth dimension ratio, ultra-wide band, effective bandwidth of interest per unit volume

Abstract

A broadband patch antenna is presented with a modified rectangular patch containing three symmetrical slots and an asymmetrical slot. A U-slot is inserted into the ground plane, which enables a wide operational fractional bandwidth of 143% ranging 2.9–17.5 GHz. The modified rectangular patch offers acceptable omnidirectional radiation pattern at higher frequencies with radiation efficiency of 83 to 95%. The maximum achievable gain is 5.48 dBi across the entire bandwidth. The electromagnetic wave modeling is conducted using high frequency simulator structure (HFSS) and the circuit model is simulated with Advance Designing System (ADS) software. The housing effect is studied using vertical orientation of antenna to approximate its performance in the presence of conducting bodies. The proposed antenna architecture has small electrical dimension of 0.17×0.11λ. Simple configuration and wide bandwidth makes proposed patch antenna a suitable candidate for versatile communication applications.

Author Biographies

Iram Nadeem, Chosun University

P.hD researcher

Dong-You Choi, Chosun University

He has received his B.S., M.S., and Ph.D.degrees from the Department of Electronic Engineering, Chosun University, Gwangju, Korea, in 1999, 2001, and 2004, respectively. Since 2006, he has been a researcher and teachingas a professor. His research interests include rain attenuation, antenna design, wave propagation, and microwave and satellite communication. He is a member of the IEEE, IEICE, JCN, KEES, IEEK, KICS, and ASK.

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