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Electronic Circuits, Devices and Components

Analysis of Omnidirectional Antenna Systems Using Cavity Model

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Abstract

Vertically polarized omnidirectional antenna system (VPOAS) and horizontally polarized omnidirectional antenna system (HPOAS) are designed and theoretically analyzed at 2.2 GHz for NAG-Missile telemetry. Theoretical formulations of far-zone field patterns are derived using the cavity model in conjunction with array theory, equivalence theorem, and image theory. The derived radiation patterns are plotted using MATLAB software. The proposed antenna is simulated using CST software and fabricated to validate the derived results. The proposed antenna systems are resonating at 2.22 GHz with 32 MHz impedance bandwidth and peak gain of 4.15 and 5.37 dBi for VPOAS and HPOAS, respectively.

Additional information

Notes on contributors

Nibash Kumar Sahu

Nibash Kumar Sahu received the MTech degree with specialization in RF and microwave engineering, Department of Electronics and Communication Engineering from Veer Surendra Sai University of Technology Burla, Odisha, India in 2016. He is currently pursuing PhD in RF and microwave engineering, Department of Electronics Engineering with International Institute of Information Technology Bhubaneswar, Odisha, India. He is a student member of IEEE.

Sanjeev Kumar Mishra

Sanjeev Kumar Mishra has received a PhD degree from Department of Electrical Engineering from Indian Institute of Technology Bombay, Mumbai, India in 2012. Currently, he is working as an assistant professor in Department of Electronics Engineering with International Institute of Information Technology Bhubaneswar, Odisha, India. Email: [email protected]

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