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A compact reconfigurable multi-frequency patch antenna for LoRa IoT applications

In this study, a compact, reconfigurable, and high-efficiency Long Range (LoRa) patch antenna, which is novel, is presented for Internet of Things (IoT) applications. The antenna is designed to operate at the three major frequencies used for LoRa communication, namely 915 MHz, 868 MHz, and 433 MHz,...

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Main Authors:	Yahya, Muhammad Sani, Soeung, Socheatra, Chinda, Francis Emmanuel, Abd. Rahim, Sharul Kamal, Musa, Umar, M. Nor, Nursyarizal, Cheab, Sovuthy
Format:	Article
Language:	English
Published:	The Electromagnetics Academy 2023
Subjects:	TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/106546/1/SharulKamalAbd2023_ACompactReconfigurableMultiFrequency.pdf http://eprints.utm.my/106546/ http://dx.doi.org/10.2528/PIERM23021804
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spelling	my.utm.1065462024-07-09T06:51:11Z http://eprints.utm.my/106546/ A compact reconfigurable multi-frequency patch antenna for LoRa IoT applications Yahya, Muhammad Sani Soeung, Socheatra Chinda, Francis Emmanuel Abd. Rahim, Sharul Kamal Musa, Umar M. Nor, Nursyarizal Cheab, Sovuthy TK Electrical engineering. Electronics Nuclear engineering In this study, a compact, reconfigurable, and high-efficiency Long Range (LoRa) patch antenna, which is novel, is presented for Internet of Things (IoT) applications. The antenna is designed to operate at the three major frequencies used for LoRa communication, namely 915 MHz, 868 MHz, and 433 MHz, which are widely employed for global LoRa connectivity. The compact size and impedance matching of the antenna are achieved through the use of meandered radiating patches, a partial ground plane, and a ground plane stub. The antenna is prototyped on a commercially available and cost-effective FR-4 material and measures 80 mm × 50 mm × 1.6 mm (0.12λ × 0.07λ at the lowest resonant frequency), which is smaller than the size of a standard credit card. The antenna utilizes three RF PIN diodes (SW1, SW2, and SW3) for frequency reconfiguration, which are characterized by low insertion loss and fast switching time. The RLC equivalent circuit of the antenna was validated through simulations and measurements, yielding the peak gain and radiation efficiency of 2.1 dBi and > 90%, respectively. These results prove that the antenna is a promising solution for LoRa IoT applications in terms of size, cost, and performance, filling a gap in the existing literature of LoRa MPAs that are typically large, non-reconfigurable, low-gain, and single-band. The Electromagnetics Academy 2023 Article PeerReviewed application/pdf en http://eprints.utm.my/106546/1/SharulKamalAbd2023_ACompactReconfigurableMultiFrequency.pdf Yahya, Muhammad Sani and Soeung, Socheatra and Chinda, Francis Emmanuel and Abd. Rahim, Sharul Kamal and Musa, Umar and M. Nor, Nursyarizal and Cheab, Sovuthy (2023) A compact reconfigurable multi-frequency patch antenna for LoRa IoT applications. Progress In Electromagnetics Research M, 116 (NA). pp. 77-89. ISSN 1937-8726 http://dx.doi.org/10.2528/PIERM23021804 DOI:10.2528/PIERM23021804
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
language	English
topic	TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	TK Electrical engineering. Electronics Nuclear engineering Yahya, Muhammad Sani Soeung, Socheatra Chinda, Francis Emmanuel Abd. Rahim, Sharul Kamal Musa, Umar M. Nor, Nursyarizal Cheab, Sovuthy A compact reconfigurable multi-frequency patch antenna for LoRa IoT applications
description	In this study, a compact, reconfigurable, and high-efficiency Long Range (LoRa) patch antenna, which is novel, is presented for Internet of Things (IoT) applications. The antenna is designed to operate at the three major frequencies used for LoRa communication, namely 915 MHz, 868 MHz, and 433 MHz, which are widely employed for global LoRa connectivity. The compact size and impedance matching of the antenna are achieved through the use of meandered radiating patches, a partial ground plane, and a ground plane stub. The antenna is prototyped on a commercially available and cost-effective FR-4 material and measures 80 mm × 50 mm × 1.6 mm (0.12λ × 0.07λ at the lowest resonant frequency), which is smaller than the size of a standard credit card. The antenna utilizes three RF PIN diodes (SW1, SW2, and SW3) for frequency reconfiguration, which are characterized by low insertion loss and fast switching time. The RLC equivalent circuit of the antenna was validated through simulations and measurements, yielding the peak gain and radiation efficiency of 2.1 dBi and > 90%, respectively. These results prove that the antenna is a promising solution for LoRa IoT applications in terms of size, cost, and performance, filling a gap in the existing literature of LoRa MPAs that are typically large, non-reconfigurable, low-gain, and single-band.
format	Article
author	Yahya, Muhammad Sani Soeung, Socheatra Chinda, Francis Emmanuel Abd. Rahim, Sharul Kamal Musa, Umar M. Nor, Nursyarizal Cheab, Sovuthy
author_facet	Yahya, Muhammad Sani Soeung, Socheatra Chinda, Francis Emmanuel Abd. Rahim, Sharul Kamal Musa, Umar M. Nor, Nursyarizal Cheab, Sovuthy
author_sort	Yahya, Muhammad Sani
title	A compact reconfigurable multi-frequency patch antenna for LoRa IoT applications
title_short	A compact reconfigurable multi-frequency patch antenna for LoRa IoT applications
title_full	A compact reconfigurable multi-frequency patch antenna for LoRa IoT applications
title_fullStr	A compact reconfigurable multi-frequency patch antenna for LoRa IoT applications
title_full_unstemmed	A compact reconfigurable multi-frequency patch antenna for LoRa IoT applications
title_sort	compact reconfigurable multi-frequency patch antenna for lora iot applications
publisher	The Electromagnetics Academy
publishDate	2023
url	http://eprints.utm.my/106546/1/SharulKamalAbd2023_ACompactReconfigurableMultiFrequency.pdf http://eprints.utm.my/106546/ http://dx.doi.org/10.2528/PIERM23021804
_version_	1805880829004480512
score	13.211869

A compact reconfigurable multi-frequency patch antenna for LoRa IoT applications

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