Paper Info
Title
Dual Circular Polarization with Reduced Mutual Coupling Among Two Orthogonally Placed CPW-Fed Microstrip Antennas for Broadband Applications
Abstract
In this communication, a design of Coplanar Waveguide-fed Dual Circularly Polarized Broadband Antenna (CPW-DCPBA) has been proposed. Here, a square slot consists of two orthogonal T-shaped asymmetric microstrip antennas protruded from a signal line of CPW feed has been presented. The microstrip antennas are isolated with an inverted-L type grounded strip embedded at the left corner, followed by a square strip. A modified meandered line (MML) is embedded with the square strip to achieve circular polarization at the lower frequency. An SRR is placed at the back of the antenna to enhance the 3-dB axial ratio bandwidth (ARBW). Measurements of the fabricated antenna show an impedance bandwidth of 88% and the 3-dB ARBW of 75%, in which return loss is better than 10 dB and the isolation among the antennas are better than 15 dB. A peak gain of 3.1–5.6 dBi is achieved within the axial ratio band. The antenna is fabricated on FR-4 substrate of 60 mm × 60 mm × 1.6 mm with an antenna area of 0.359λ 0 2 . The simulated results are in good agreement with the measured results which verified its usage for broadband applications.
Year
DOI
Venue
2019
10.1007/s11277-019-06298-x
Wireless Personal Communications
Keywords
Field
DocType
Axial ratio bandwidth (ARBW), Axial ratio, Circularly polarized (CP), Coplanar waveguide (CPW), Mutual coupling, Slot antenna
Return loss,Coupling,Circular polarization,Computer science,Slot antenna,Optics,Broadband,Real-time computing,Axial ratio,Signal lines,Microstrip antenna
Journal
Volume
Issue
ISSN
107
2
0929-6212
Citations 
PageRank 
References 
0
0.34
0
Authors
4
Name
Order
Citations
PageRank
Amit Kumar18617.67
Abdul Quaiyum Ansari24610.51
Binod Kumar Kanaujia314.45
Jugul Kishor410.72