2.4 GHz and 5.2 GHz Frequency Bands Reconfigurable Fractal Antenna for Wearable Devices using ANN

Authors

  • Sivabalan Ambigapathy Department of Electronics and Communication Engineering Chennai Institute of Technology, Chennai, Tamil Nadu – 600 069, India
  • Jothilakshmi Paramasivam Department of Electronics and Communication Engineering Sri Venkateswara College of Engineering, Chennai, Tamil Nadu – 602 117, India

Keywords:

Artificial neural network, dual band antenna, fractal patterns, patch antenna, reconfigurable antenna, wearable device

Abstract

Patch antenna is being used widely in wearable and implantable devices due to its lightweight characteristics. Multi-band patch antenna designs are possible by incorporating professional naturally inspired fractal pattern generating methodologies. Automated Frequency Characteristics Analyzer (AFCA), Artificial Neural Network based Fractal Pattern Generator (AFPG) and Nitinol based Pattern Selector (NPS) functional modules are proposed in this work to design a Dual band Reconfigurable Fractal Antenna for Wearable Devices (DRFA). Producing a miniature fractal patch antenna to support famed 2.4 GHz and 5.2 GHz frequency bands with lesser than 20db return loss is the objective of this work. Numerous fractal patterns are generated with the help of AFPG and their frequency responses are analyzed by Ansys HFSS (High Frequency Structure Simulator) through AFCA module. The results are provided to the AFPG part to train the neural network with proper biasing updates. The fitness function is set to the dimension restriction of 3000 square μm with less than 20 return loss at commonly used 2.4 GHz and 5.2 GHz. The feed type and length of the patches are also fine-tuned by the proposed AFPG module.

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Author Biographies

Sivabalan Ambigapathy, Department of Electronics and Communication Engineering Chennai Institute of Technology, Chennai, Tamil Nadu – 600 069, India

A. Sivabalan working as an Assistant Professor in Chennai Institute of Technology. Received the B.E. degree in Electronics and Communication Engineering from Dhanalakshmi College of Engineering, Chennai Anna University, India, in 2009, received M.E. degree in Communication Systems from Sri Sairam Engineering College, Chennai, Anna University, Chennai, India, in 2012. Currently pursuing Ph.D. in “Design of reconfigurable antenna for medical applications”. He had published two international Journals.

Jothilakshmi Paramasivam, Department of Electronics and Communication Engineering Sri Venkateswara College of Engineering, Chennai, Tamil Nadu – 602 117, India

P. Jothilakshmi working as a Professor in the Department of Electronics and Communication Engineering, Sri Venkateswara College of Engineering, Chennai. Her research area is Microwave Antennas - Design and Analysis of a Class of Continuous Transverse Stub Array Antenna for Microwave Applications Anna University - Chennai-2015, M.E. (Communication Systems) – Mepco Schlenk Engineering College, Sivakasi- December 2000, B.E. (Electronics and Communication Engineering) – Thanthai Periyar Government Institute of Technology. She has published more than 100 research papers in international and national journals including IEEE conferences and SCI Indexed journals.

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Published

2021-03-08

How to Cite

[1]
Sivabalan Ambigapathy and Jothilakshmi Paramasivam, “2.4 GHz and 5.2 GHz Frequency Bands Reconfigurable Fractal Antenna for Wearable Devices using ANN”, ACES Journal, vol. 36, no. 3, pp. 354–362, Mar. 2021.

Issue

2021: Vol 36 Iss 3

Section

Articles