Record link: 
http://hdl.handle.net/20.500.12708/188925
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Title: 
Reconstruction of Passive UHF RFID Tag Trajectories with a Distributed Antenna Reader System
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Citation: 
Pohl, T. M., Arthaber, H., & Mecklenbrauker, C. F. (2023). Reconstruction of Passive UHF RFID Tag Trajectories with a Distributed Antenna Reader System. In Proceedings: 2023 IEEE International Conference on RFID (RFID) (pp. 7–12). https://doi.org/10.1109/RFID58307.2023.10178462
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Publisher DOI: 
10.1109/RFID58307.2023.10178462
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Publication Type: 
Inproceedings - Full-Paper Contribution
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Language: 
English
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Authors: 
Pohl, Thomas M. 
Arthaber, Holger 
Mecklenbrauker, Christoph F. 
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Organisational Unit: 
E354-01 - Forschungsbereich Microwave and THz Electronics 
E354 - Institute of Electrodynamics, Microwave and Circuit Engineering 
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Published in: 
Proceedings: 2023 IEEE International Conference on RFID (RFID) 
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ISBN: 
979-8-3503-3551-4
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DOI of the book: 
10.1109/RFID58307.2023
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Date (published): 
2023
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Event name: 
2023 IEEE International Conference on RFID (RFID) 
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Event date: 
13-Jun-2023 - 15-Jun-2023
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Event place: 
Seattle, United States of America (the)
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Number of Pages: 
6
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Peer reviewed: 
Yes
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Keywords: 
distributed; localization; phase; RFID; trajectory; UHF; Multiplexing; Phase measurement; Measurement uncertainty; UHF measurements; UHF antennas; Space exploration
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Abstract: 
We report on Ultra High Frequency (UHF) Radio Frequency Identification (RFID) phase measurements for the re-construction of passive RFID tag trajectories in an experimental setup. The setup consists of a UHF RFID reader connected to eight distributed antennas in a lab room. The antennas are multiplexed in time by phase-stable coaxial switches. The techniques of Gaussian processes are used to estimate missing phase values in the trajectory. The final tag's position in a two-dimensional space is estimated via an evaluation of the maximum phase difference in the trajectory, followed by a grid search to find the most probable position. For test measurements, this algorithm provides over a traveled distance of 15 m an Root-Mean-Square (RMS) error of approximately 50 cm.
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Project title: 
Christian Doppler Labor für Ortssensitive Elektronische Systeme: CD-Labs für "Ortssensitive Elektronische Systeme" (Christian Doppler Forschungsgesells) 
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Research Areas: 
Telecommunication: 80%
Sensor Systems: 20%
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Science Branch: 
2020 - Elektrotechnik, Elektronik, Informationstechnik: 100%
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Appears in Collections:
Conference Paper

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