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Design of a flower shaped compact printed antenna for ultra-wideband communication

Published online by Cambridge University Press:  20 October 2022

Manohar Golait
Affiliation:
Department of Electronics Engineering, School of Engineering and Technology, G H Raisoni University, Saikheda, Madhya Pradesh, India
Mahendra Gaikwad
Affiliation:
Electronics and Telecommunication, G. H. Raisoni College of Engineering, Nagpur, India
Balasaheb H. Patil
Affiliation:
Vidya Pratishthan's Kamalnayan Bajaj of Institute of Engineering & Technology, MIDC Baramati, Pune, Maharashtra, India
Manish Varun Yadav
Affiliation:
Department of Aeronautical and Automobile Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, 576104 India
Sudeep Baudha
Affiliation:
Electrical & Electronics Engineering Department, BITS Pilani, K K Birla Goa Campus, Goa, India
Lokesh Kumar Bramhane*
Affiliation:
Department of Electronics and Communication Engineering, National Institute of Technology, Goa, India
*
Author for correspondence: Lokesh Kumar Bramhane, E-mail: lokesh.bramhane@nitgoa.ac.in

Abstract

In this communication, a compact flower shaped printed antenna for ultra-wideband communication is proposed. The “flower-shaped” structure is capable of transmitting UWB-band signals. The designed antenna exhibits a return loss ranging from 2.3 to 11 GHz with an 8.7 GHz central frequency and has 130% relative bandwidth. The suggested design includes a patch in the shape of a flower with several slots fed by a microstrip line. Multiple slots have been designed for better resonances at lower modes. The antenna is constructed with an FR4 substrate, and a 50 Ω A-type connector feeds it. The optimum dimensions of the designed antenna are 12 × 16 × 1.6 cubic-millimeters and 0.092λ × .12λ × 0.012λ in lambda. The proposed structure also demonstrates stable radiation patterns across the operating bandwidth. The proposed radiator has a high gain of 2.67 dBi, and an efficiency of 85%. It is compact, lightweight, and easy to make. Therefore, it can be used for UWB applications.

Type
Antenna Design, Modeling and Measurements
Copyright
© The Author(s), 2022. Published by Cambridge University Press in association with the European Microwave Association

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