Optimized design of wide band polarization diversified compact microstrip transponder antenna for satellite communication

Author:

Ghosh Swarnadipto1,Chakraborty Ayona2ORCID,Chakraborty Samik1

Affiliation:

1. Department of Electronics and Communication Engineering Dream Institute of Technology Kolkata India

2. Department of Electronics and Telecommunication Engineering Jadavpur University Kolkata Kolkata India

Abstract

AbstractA major limitation of microstrip antenna is its narrow impedance bandwidth (1%–5%) which makes it unsuitable for the operation over C band, used for various satellite communications, Wi‐Fi devices, some surveillance, and weather radar systems. Furthermore, increasing bandwidth (BW) can cause a reduction in radiation efficiency and antenna gain making it unsuitable for some particular applications. Nonplanar and defected ground structures may provide enhanced BW but it also creates distorted radiation pattern, unwanted loss of power, and mechanical mounting hazard. Polarization diversity also gives flexibility in use for various applications. A unique compact dual band and Ultra‐Wide Band (viz., 4.29–5.32 and 6.04–8.77 GHz) and polarization diversified (viz., circular and dual polarization) perturbed square microstrip patch antenna has been proposed here overcome the above shortcomings. Innovative corner parasitic loading and shorting via implementation ensures the fulfillment of the above features with improved 24.45% and 33.75% BW.

Publisher

Wiley

Subject

Electrical and Electronic Engineering,Condensed Matter Physics,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

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