An RHCP and LHCP polarization reconfigurable microstrip antenna for ISM band smart city applications-Reference-Cited by-同舟云学术

An RHCP and LHCP polarization reconfigurable microstrip antenna for ISM band smart city applications

Published:2022-03-07 Issue:7-8 Volume:76 Page:391-399
ISSN:0016-1136
Container-title:Frequenz
language:en
Short-container-title:

Author:

Behera Debakanta¹,Mishra Debasis¹,Behera Santanu Kumar²,Sooksood Kriangkrai³^ORCID,Mohapatra Sushanta Kumar⁴^ORCID

Affiliation:

1. Department of Electronics and Telecommunication Engineering , VSS University of Technology , Burla , Sambalpur , India

2. Department of Electronics and Communication Engineering , National Institute of Technology , Rourkela , India

3. Department of Electronics Engineering , School of Engineering, King Mongkut’s Institute of Technology Ladkrabang , Bangkok , Thailand

4. School of Electronics Engineering , Kalinga Institute of Industrial Technology , Bhubaneswar , India

Abstract

Abstract In this article, a microstrip antenna having circular polarization switching capability is presented. This antenna consists of a circular-shaped radiating patch with a single co-axial probe feed line. The polarization reconfigurability is achieved by introducing four symmetrical U-shaped slots and silicon PIN diodes on the radiating patch. A prototype of the design is fabricated on an FR-4 substrate with overall dimension of 70 × 70 × 1.6 mm to verify the performances. The measured results of the antenna exhibit an impedance bandwidth (S 11 < −10 dB) of 5% in the frequency range of 2.37–2.49 GHz. The maximum gain of the antenna is found to be 2.99 dBic at 2.43 GHz. The antenna shows stable radiation performances at 2.4 GHz with 4.1% of 3-dB axial ratio bandwidth, and more than 105° of 3-dB axial ratio beamwidth for both right-hand circular polarization and left -hand circular polarization which make it suitable for ISM band Smart city applications.

Publisher

Walter de Gruyter GmbH

Subject

Electrical and Electronic Engineering

Link

https://www.degruyter.com/document/doi/10.1515/freq-2021-0189/pdf

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