Substrate integrated waveguide cavity backed frequency reconfigurable antenna for cognitive radio applies to Internet of Things applications

AL-Fadhali, Najib and A. Majid, Huda and Omar, Rosli and Dahlan, Samsul Haimi and I. Ashyap, Adel Y. and Mohd Shah, Shaharil and A. Rahim, Mohamad K. and F. Esmail, Bashar A. (2019) Substrate integrated waveguide cavity backed frequency reconfigurable antenna for cognitive radio applies to Internet of Things applications. International Journal of RF and Microwave Computer-Aided Engineering, 30 (1). pp. 1-16. ISSN 1096-4290

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Official URL: https://doi.org/10.1002/mmce.22020

Abstract

In this article, a new multiband frequency reconfigurable substrate integrated waveguide cavity slot antenna was designed using Computer Simulation Technology software tool for addressing the specific design challenges posed by the internet of things (IoT) based cognitive radio networks. Reconfiguration of frequency bands is achieved using PIN diodes. The antenna resonated at 2.624, 2.664, 2.720, 2.752, 4.304, 4.532, 4.556, 5.236, 5.304, 5.368, 5.332, and 5.392 GHz. The resonant frequency capability and radiation performance are demonstrated by both simulations and measurements. The simulated and measured results were in agreement. The higher efficiency, gain and average bandwidth obtained are 90%, 8.2 dBi and 65 MHz, respectively. The compactness, integrity, reliability, and performance at various operating frequencies make the proposed antenna a good candidate for IoT applications.

Item Type:	Article
Uncontrolled Keywords:	Cognitive radio; frequency reconfigurable; internet of things; multiband; PIN diodes; SIW
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA168 Systems engineering
Divisions:	Faculty of Engineering Technology > Department of Electrical Engineering Technology
Depositing User:	Miss Afiqah Faiqah Mohd Hafiz
Date Deposited:	26 Jan 2022 07:36
Last Modified:	26 Jan 2022 07:36
URI:	http://eprints.uthm.edu.my/id/eprint/6105

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