Multiband frequency reconfigurable substrate integrated waveguide antenna using copper strip for cognitive radio applicable to internet of things application

Najib AL-Fadhali (), Huda Majid () and Rosli Omar ()
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Najib AL-Fadhali: University Tun Hussein Onn Malaysia (UTHM)
Huda Majid: University Tun Hussein Onn Malaysia (UTHM)
Rosli Omar: University Tun Hussein Onn Malaysia (UTHM)

Telecommunication Systems: Modelling, Analysis, Design and Management, 2021, vol. 76, issue 3, No 2, 345-358

Abstract: Abstract In this paper, a Multiband Frequency Reconfigurable Substrate Integrated Waveguide (FR-SIW) cavity backed slot antenna for Cognitive Radio appropriate to Internet of Things (IoT) technology is presented. The proposed antenna is developed to address the specific design challenges posed by the IoT based Cognitive Radio (CR) networks. Reconfiguration of frequency bands is achieved using copper strips. The antenna resonates during the selected five switching states of the copper strips at 2.9 GHz, 2.6 GHz, 2.824 GHz, 2.792 GHz, 2.872 GHz, 4.488 GHz, 4.724 GHz, 4.712 GHz, 5.476 GHz, 5.336 GHz, 5.448 GHz, 5.392 GHz, and 5.42 GHz. The multiple frequency bands are controlled by altering the electrical length of designed slots. Overall, the simulated and measured results showed good agreement and the designed antenna is a potential candidate for cognitive radio applications, especially to IoT applications.

Keywords: Multiband; Frequency reconfigurable; SIW; Copper strip; Cognitive radio; Internet of things (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s11235-020-00721-6

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