A Physical Insight Into the Influence of Dominant Mode of Rectangular Microstrip Antenna on Its Cross-Polarization Characteristics and Its Improvement With T-Shaped Microstrip Antenna | Zendy

Sudipta Chattopadhyay | Zendy; Subhradeep Chakraborty | Zendy

Open Access

A Physical Insight Into the Influence of Dominant Mode of Rectangular Microstrip Antenna on Its Cross-Polarization Characteristics and Its Improvement With T-Shaped Microstrip Antenna

Author(s) -

Sudipta Chattopadhyay,

Subhradeep Chakraborty

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2797358

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

In this paper, the cross polar radiation of rectangular microstrip patch antenna due to its own lowest order dominant TM₁₀ mode has been investigated thoroughly. The nature of the field distribution beneath the patch is found to be the key reason for cross polar radiation of such patch antenna. A quick hand computer aided design formulation has been proposed to compute the approximate cross polar radiation peak gain as well as its position in elevation plane. Based on the theoretical view, a simple single layer T shaped microstrip antenna has also been proposed for the improvement in cross polarization suppression of rectangular microstrip antenna.

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