Multifold Bandwidth Improvement in Conformal Patch Antenna for Aircraft Application Using Corrugated Edge Coupling

Authors

  • Jeyakumar Monica Department of Electronics and Communication Engineering Sri Venkateshwara College of Engineering, Anna University, Pennalur, Sriperumbudur, Chennai, India
  • Paramasivam Jothilakshmi Department of Electronics and Communication Engineering Sri Venkateshwara College of Engineering, Anna University, Pennalur, Sriperumbudur, Chennai, India

Keywords:

Characteristic mode analysis, direct air to ground, internet of things

Abstract

In the high-speed Internet of Things (IOT) era, the aircraft on-board is one of the few places that lacks high speed network access. The speed of this communication link between the ground station and the aircraft is limited by the transmitting antenna power, cost, latency and available infrastructure. The Direct Air to Ground (DATG) is a much-guaranteed technique which can provide a high-speed link between the ground station and aircraft. This paper describes a novel conformal microstrip patch antenna design which provides fourfold increase in bandwidth. As the bandwidth of an antenna mounted on the fuselage of aircraft is crucial to achieve higher data rate, this antenna performance is promising and suits better for DATG application. The proposed antenna with a size of (6.81 X 7.21cm) achieves a bandwidth of ~700MHz (5.032GHz to 5.73GHz) and max Gain of 9.53dB with max radiation efficiency of 93%. As this antenna is to be mounted on the aircraft fuselage, a substrate material, RT duroid 5880 with a thickness of 0.787mm is selected to have better conformability, low loss and high gain. This paper explains the different performance metrics involved in the DATG system and derives the specification for the proposed antenna structure. Also, the detailed structural analysis with the support of parametric and Characteristic Mode Analysis (CMA) is provided to get the physical insight of the designed antenna.

Author Biographies

Jeyakumar Monica, Department of Electronics and Communication Engineering Sri Venkateshwara College of Engineering, Anna University, Pennalur, Sriperumbudur, Chennai, India

J. Monica completed her B.E. degree in Electronics and Communication Engineering from Anna University in 2013 and M.E. degree in Communication Systems under Anna University in 2015. Currently pursuing her Ph.D. from Anna University, Chennai, India. Her research works is in the areas of Antennas and wireless propagations, Aircraft antennas, Microwave design and conformal antenna design. She has published papers in SCI indexed International journals and conferences.

Paramasivam Jothilakshmi, Department of Electronics and Communication Engineering Sri Venkateshwara College of Engineering, Anna University, Pennalur, Sriperumbudur, Chennai, India

P. Jothilakshmi completed her B.E. degree in Electronics and Communication Engineering from University of Madras, in 1996 and M.E. degree in Communication Systems from Madurai Kamaraj University, in 2000. She completed her Ph.D. degree from Anna University, Chennai, India. She is serving as a Teacher from 1996 onwards. She is currently serving as a Professor in ECE at Sri Venkateswara College of Engineering, Chennai, India. She is an active fellow in professional societies ISTE, IETE and IAENG. She lead several numbers of B.E. and M.E. and Ph.D. level project. She has published several SCI indexed; Scopus indexed International journal papers. She presented and published papers in International and National Conference. Her research area is Microwave antenna design and Wireless Communication.

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Published

2021-07-16

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