Comparison of e-textile dipole and folded dipole antennas for wearable passive UHF RFID tags

Xiaochen Chen; Leena Ukkonen; Toni Björninen; Johanna Virkki

doi:10.1109/PIERS-FALL.2017.8293246

Comparison of e-textile dipole and folded dipole antennas for wearable passive UHF RFID tags

Xiaochen Chen, Leena Ukkonen, Toni Björninen, Johanna Virkki

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

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Abstract

We present two wearable passive UHF RFID tags based on electro-textile folded
dipole and slot antennas, which have the same footprint area. We simulated the antennas in a box model and optimized them to operate near the human body. The antennas were manufactured from commercial electro-textile material by a laser cutter and reference antennas were cut from copper tape. Based on the measurement results, the attainable read ranges of the copper and electro-textile dipole tags were nearly equal and reached 2 meters. The peak read ranges of the copper and electro-textile folded dipole tags reached 2.5 meters and 2.2 meters, respectively. The results show that both simple uniplanar antennas are suitable for body area applications, but we also found the folded dipole to permit better impedance matching in this application.

Original language	English
Title of host publication	2017 Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL)
Publisher	IEEE
Number of pages	6
ISBN (Electronic)	978-1-5386-1211-8
DOIs	https://doi.org/10.1109/PIERS-FALL.2017.8293246
Publication status	Published - 19 Nov 2017
Publication type	A4 Article in conference proceedings
Event	Progress in Electromagnetics Research Symposium - Duration: 1 Jan 1900 → …

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Name
ISSN (Electronic)	1559-9450

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Conference	Progress in Electromagnetics Research Symposium
Period	1/01/00 → …

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Publication forum level 1

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10.1109/PIERS-FALL.2017.8293246

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title = "Comparison of e-textile dipole and folded dipole antennas for wearable passive UHF RFID tags",

abstract = "We present two wearable passive UHF RFID tags based on electro-textile foldeddipole and slot antennas, which have the same footprint area. We simulated the antennas in a box model and optimized them to operate near the human body. The antennas were manufactured from commercial electro-textile material by a laser cutter and reference antennas were cut from copper tape. Based on the measurement results, the attainable read ranges of the copper and electro-textile dipole tags were nearly equal and reached 2 meters. The peak read ranges of the copper and electro-textile folded dipole tags reached 2.5 meters and 2.2 meters, respectively. The results show that both simple uniplanar antennas are suitable for body area applications, but we also found the folded dipole to permit better impedance matching in this application.",

author = "Xiaochen Chen and Leena Ukkonen and Toni Bj{\"o}rninen and Johanna Virkki",

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T1 - Comparison of e-textile dipole and folded dipole antennas for wearable passive UHF RFID tags

AU - Chen, Xiaochen

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AU - Virkki, Johanna

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N2 - We present two wearable passive UHF RFID tags based on electro-textile foldeddipole and slot antennas, which have the same footprint area. We simulated the antennas in a box model and optimized them to operate near the human body. The antennas were manufactured from commercial electro-textile material by a laser cutter and reference antennas were cut from copper tape. Based on the measurement results, the attainable read ranges of the copper and electro-textile dipole tags were nearly equal and reached 2 meters. The peak read ranges of the copper and electro-textile folded dipole tags reached 2.5 meters and 2.2 meters, respectively. The results show that both simple uniplanar antennas are suitable for body area applications, but we also found the folded dipole to permit better impedance matching in this application.

AB - We present two wearable passive UHF RFID tags based on electro-textile foldeddipole and slot antennas, which have the same footprint area. We simulated the antennas in a box model and optimized them to operate near the human body. The antennas were manufactured from commercial electro-textile material by a laser cutter and reference antennas were cut from copper tape. Based on the measurement results, the attainable read ranges of the copper and electro-textile dipole tags were nearly equal and reached 2 meters. The peak read ranges of the copper and electro-textile folded dipole tags reached 2.5 meters and 2.2 meters, respectively. The results show that both simple uniplanar antennas are suitable for body area applications, but we also found the folded dipole to permit better impedance matching in this application.

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PB - IEEE

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ER -

Comparison of e-textile dipole and folded dipole antennas for wearable passive UHF RFID tags

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