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Geometrical enhancement of planar loop antennas for inductive near-field data links

The low Q-factor requirements of High-Frequency Radio Frequency Identification (HF-RFID) interrogator antennas constrain transmission performance when they are used in data links requiring similar terminal antennas. This letter presents a geometrical approach to enhance the transmission performance...

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Main Authors: Eteng, Akaa Agbaeze, Abdul Rahim, Sharul Kamal, Chee, Yen Leow
Format: Article
Published: Institute of Electrical and Electronics Engineers (IEEE) 2015
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.utm.my/id/eprint/55485/
http://dx.doi.org/10.1109/LAWP.2015.2423276
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spelling my.utm.554852017-08-09T06:42:05Z http://eprints.utm.my/id/eprint/55485/ Geometrical enhancement of planar loop antennas for inductive near-field data links Eteng, Akaa Agbaeze Abdul Rahim, Sharul Kamal Chee, Yen Leow TK Electrical engineering. Electronics Nuclear engineering The low Q-factor requirements of High-Frequency Radio Frequency Identification (HF-RFID) interrogator antennas constrain transmission performance when they are used in data links requiring similar terminal antennas. This letter presents a geometrical approach to enhance the transmission performance of planar loop antennas without a significant change to their standalone performance as HF-RFID interrogator antennas. The method distributes the turns of a modified planar square loop antenna to enhance the coupling level in a symmetric link, while limiting the change in Q-factor from a conventional HF-RFID interrogator antenna. Results from a presented test case show that the design method enables a 5.75% increase in peak transmission coefficient, and a 28.42% fractional bandwidth increase in a symmetric link, compared to a conventional design Institute of Electrical and Electronics Engineers (IEEE) 2015 Article PeerReviewed Eteng, Akaa Agbaeze and Abdul Rahim, Sharul Kamal and Chee, Yen Leow (2015) Geometrical enhancement of planar loop antennas for inductive near-field data links. IEEE Antennas and Wireless Propagation Letters, 14 . pp. 1762-1765. ISSN 1536-1225 http://dx.doi.org/10.1109/LAWP.2015.2423276 DOI:10.1109/LAWP.2015.2423276
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/
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Eteng, Akaa Agbaeze
Abdul Rahim, Sharul Kamal
Chee, Yen Leow
Geometrical enhancement of planar loop antennas for inductive near-field data links
description The low Q-factor requirements of High-Frequency Radio Frequency Identification (HF-RFID) interrogator antennas constrain transmission performance when they are used in data links requiring similar terminal antennas. This letter presents a geometrical approach to enhance the transmission performance of planar loop antennas without a significant change to their standalone performance as HF-RFID interrogator antennas. The method distributes the turns of a modified planar square loop antenna to enhance the coupling level in a symmetric link, while limiting the change in Q-factor from a conventional HF-RFID interrogator antenna. Results from a presented test case show that the design method enables a 5.75% increase in peak transmission coefficient, and a 28.42% fractional bandwidth increase in a symmetric link, compared to a conventional design
format Article
author Eteng, Akaa Agbaeze
Abdul Rahim, Sharul Kamal
Chee, Yen Leow
author_facet Eteng, Akaa Agbaeze
Abdul Rahim, Sharul Kamal
Chee, Yen Leow
author_sort Eteng, Akaa Agbaeze
title Geometrical enhancement of planar loop antennas for inductive near-field data links
title_short Geometrical enhancement of planar loop antennas for inductive near-field data links
title_full Geometrical enhancement of planar loop antennas for inductive near-field data links
title_fullStr Geometrical enhancement of planar loop antennas for inductive near-field data links
title_full_unstemmed Geometrical enhancement of planar loop antennas for inductive near-field data links
title_sort geometrical enhancement of planar loop antennas for inductive near-field data links
publisher Institute of Electrical and Electronics Engineers (IEEE)
publishDate 2015
url http://eprints.utm.my/id/eprint/55485/
http://dx.doi.org/10.1109/LAWP.2015.2423276
_version_ 1643653811917553664
score 13.211869

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