WPT and NFC Interoperability for Wearables with Miniaturized Coils

Richard Fischbacher; Jose Romero Lopera; David Pommerenke; Ralph Prestros; Bernhard Auinger; Wolfgang Bosch; Jasmin Grosinger

doi:10.1109/RFID-TA58140.2023.10290616

WPT and NFC Interoperability for Wearables with Miniaturized Coils

Richard Fischbacher^*, Jose Romero Lopera, David Pommerenke, Ralph Prestros, Bernhard Auinger, Wolfgang Bosch, Jasmin Grosinger

^*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in Buch/Bericht/Konferenzband › Beitrag in einem Konferenzband › Begutachtung

Abstract

This work presents a circuit-level interoperability investigation of a wireless power transfer (WPT) and near-field communication (NFC) system using miniature coils suited for wearables. Interoperability could enable NFC to provide a communication link for a WPT system or enable secure pairing between a wearable and a WPT transmitter. The WPT and NFC circuitries are built in a circuit-level simulation tool. The coils are modeled by a broadband equivalent circuit model, which excellently agrees with measurements from 0.1 to 500 MHz. The resulting equivalent circuit model is used to investigate the tag-to-reader communication quality via in-phase (I) and quadrature-phase (Q) demodulation and signal constellation diagrams. It is shown that applying inductive decoupling techniques between WPT and NFC coils and altering the I/Q demodulation filter cut-off frequency can significantly improve the tag-to-reader communication quality.

Originalsprache	englisch
Titel	2023 IEEE 13th International Conference on RFID Technology and Applications, RFID-TA 2023 - Proceedings
Herausgeber (Verlag)	Institute of Electrical and Electronics Engineers
Seiten	33-36
Seitenumfang	4
ISBN (elektronisch)	9798350333534
DOIs	https://doi.org/10.1109/RFID-TA58140.2023.10290616
Publikationsstatus	Veröffentlicht - 2023
Veranstaltung	13th IEEE International Conference on RFID Technology and Applications: RFID-TA 2023 - Aveiro, Portugal Dauer: 4 Sept. 2023 → 6 Sept. 2023

Konferenz

Konferenz	13th IEEE International Conference on RFID Technology and Applications
Land/Gebiet	Portugal
Ort	Aveiro
Zeitraum	4/09/23 → 6/09/23

Fields of Expertise

Information, Communication & Computing

Zugriff auf Dokument

10.1109/RFID-TA58140.2023.10290616

Andere Dateien und Links

Verknüpfung zur Publikation in Scopus

Wireless Power Transmission for Sustainable Electronics (WIPE)
Bösch, W., Görtschacher, L. J., Pachler, W., Freidl, P. F., Khan, H. N., Gadringer, M. E., Greiner, P., Gentili, F., Glanzer, C., Grosinger, J., Fischbacher, R. B., Deutschmann, B., Shetty, D. & Romero Lopera, J.
1/04/13 → …
Projekt: Arbeitsgebiet
Radio Frequenz Identifikation (RFID) Technologie
Görtschacher, L. J., Pachler, W., Freidl, P. F., Bösch, W., Gadringer, M. E., Khan, H. N., Greiner, P., Glanzer, C., Grosinger, J., Fischbacher, R. B., Deutschmann, B., Romero Lopera, J. & Shetty, D.
1/04/13 → …
Projekt: Arbeitsgebiet

Dieses zitieren

Fischbacher, R., Lopera, J. R., Pommerenke, D., Prestros, R., Auinger, B., Bosch, W., & Grosinger, J. (2023). WPT and NFC Interoperability for Wearables with Miniaturized Coils. in 2023 IEEE 13th International Conference on RFID Technology and Applications, RFID-TA 2023 - Proceedings (S. 33-36). Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/RFID-TA58140.2023.10290616

WPT and NFC Interoperability for Wearables with Miniaturized Coils. / Fischbacher, Richard; Lopera, Jose Romero; Pommerenke, David et al.
2023 IEEE 13th International Conference on RFID Technology and Applications, RFID-TA 2023 - Proceedings. Institute of Electrical and Electronics Engineers, 2023. S. 33-36.

Publikation: Beitrag in Buch/Bericht/Konferenzband › Beitrag in einem Konferenzband › Begutachtung

Fischbacher, R, Lopera, JR, Pommerenke, D , Prestros, R , Auinger, B , Bosch, W & Grosinger, J 2023, WPT and NFC Interoperability for Wearables with Miniaturized Coils. in 2023 IEEE 13th International Conference on RFID Technology and Applications, RFID-TA 2023 - Proceedings. Institute of Electrical and Electronics Engineers, S. 33-36, 13th IEEE International Conference on RFID Technology and Applications, Aveiro, Portugal, 4/09/23. https://doi.org/10.1109/RFID-TA58140.2023.10290616

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title = "WPT and NFC Interoperability for Wearables with Miniaturized Coils",

abstract = "This work presents a circuit-level interoperability investigation of a wireless power transfer (WPT) and near-field communication (NFC) system using miniature coils suited for wearables. Interoperability could enable NFC to provide a communication link for a WPT system or enable secure pairing between a wearable and a WPT transmitter. The WPT and NFC circuitries are built in a circuit-level simulation tool. The coils are modeled by a broadband equivalent circuit model, which excellently agrees with measurements from 0.1 to 500 MHz. The resulting equivalent circuit model is used to investigate the tag-to-reader communication quality via in-phase (I) and quadrature-phase (Q) demodulation and signal constellation diagrams. It is shown that applying inductive decoupling techniques between WPT and NFC coils and altering the I/Q demodulation filter cut-off frequency can significantly improve the tag-to-reader communication quality.",

keywords = "Interoperability, NFC, WPT",

author = "Richard Fischbacher and Lopera, {Jose Romero} and David Pommerenke and Ralph Prestros and Bernhard Auinger and Wolfgang Bosch and Jasmin Grosinger",

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AU - Fischbacher, Richard

AU - Lopera, Jose Romero

AU - Pommerenke, David

AU - Prestros, Ralph

AU - Auinger, Bernhard

AU - Bosch, Wolfgang

AU - Grosinger, Jasmin

PY - 2023

Y1 - 2023

N2 - This work presents a circuit-level interoperability investigation of a wireless power transfer (WPT) and near-field communication (NFC) system using miniature coils suited for wearables. Interoperability could enable NFC to provide a communication link for a WPT system or enable secure pairing between a wearable and a WPT transmitter. The WPT and NFC circuitries are built in a circuit-level simulation tool. The coils are modeled by a broadband equivalent circuit model, which excellently agrees with measurements from 0.1 to 500 MHz. The resulting equivalent circuit model is used to investigate the tag-to-reader communication quality via in-phase (I) and quadrature-phase (Q) demodulation and signal constellation diagrams. It is shown that applying inductive decoupling techniques between WPT and NFC coils and altering the I/Q demodulation filter cut-off frequency can significantly improve the tag-to-reader communication quality.

AB - This work presents a circuit-level interoperability investigation of a wireless power transfer (WPT) and near-field communication (NFC) system using miniature coils suited for wearables. Interoperability could enable NFC to provide a communication link for a WPT system or enable secure pairing between a wearable and a WPT transmitter. The WPT and NFC circuitries are built in a circuit-level simulation tool. The coils are modeled by a broadband equivalent circuit model, which excellently agrees with measurements from 0.1 to 500 MHz. The resulting equivalent circuit model is used to investigate the tag-to-reader communication quality via in-phase (I) and quadrature-phase (Q) demodulation and signal constellation diagrams. It is shown that applying inductive decoupling techniques between WPT and NFC coils and altering the I/Q demodulation filter cut-off frequency can significantly improve the tag-to-reader communication quality.

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BT - 2023 IEEE 13th International Conference on RFID Technology and Applications, RFID-TA 2023 - Proceedings

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T2 - 13th IEEE International Conference on RFID Technology and Applications

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ER -

WPT and NFC Interoperability for Wearables with Miniaturized Coils

Abstract

Konferenz

Fields of Expertise

Zugriff auf Dokument

Andere Dateien und Links

Fingerprint

Projekte

Wireless Power Transmission for Sustainable Electronics (WIPE)

Radio Frequenz Identifikation (RFID) Technologie

Dieses zitieren