Performance improvements of multicast RFID systems using phased array antennas and phase diversity

Ajeck M. Ndifon; Michael J. Crisp; Richard V. Penty; Ian H. White

doi:10.1109/RFID-TA.2017.8098884

Performance improvements of multicast RFID systems using phased array antennas and phase diversity

Ajeck M. Ndifon, Michael J. Crisp, Richard V. Penty, Ian H. White

Vice Chancellor's Office

University of Cambridge

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

1 Citation (SciVal)

Abstract

We present the results of a new Ultra High Frequency (UHF) Radio Frequency Identification (RFID) system using multiple, distributed, phased array antennas for interrogating RFID tags over wide areas. The system makes use of signals multicast over two steerable antenna arrays with phase diversity to overcome fading. The system is compared to two other methods for driving the two arrays; one with the more widely used time division multiplexing and beam steering, and another with multicast signals and beam steering but without phase diversity. It is shown that the new system outperforms both of these in terms of tag RSSI and tag read success rate. The results are validated using a 3D field-based simulator, which enables visualisation of the power distribution in the field of interest.

Original language	English
Title of host publication	2017 IEEE International Conference on RFID Technology and Application, RFID-TA 2017
Publisher	IEEE
Pages	51-56
Number of pages	6
ISBN (Electronic)	9781538618332
DOIs	https://doi.org/10.1109/RFID-TA.2017.8098884
Publication status	Published - 6 Nov 2017
Event	2017 IEEE International Conference on RFID Technology and Application, RFID-TA 2017 - Warsaw, Poland Duration: 20 Sept 2017 → 22 Sept 2017

Conference

Conference	2017 IEEE International Conference on RFID Technology and Application, RFID-TA 2017
Country/Territory	Poland
City	Warsaw
Period	20/09/17 → 22/09/17

Keywords

Distributed Antenna System
Phased array antennas
RFID
Time Division Multiplexing
Ultra High Frequency
Wireless modelling

ASJC Scopus subject areas

Computer Networks and Communications
Instrumentation

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10.1109/RFID-TA.2017.8098884

Cite this

Performance improvements of multicast RFID systems using phased array antennas and phase diversity. / Ndifon, Ajeck M.; Crisp, Michael J.; Penty, Richard V. et al.
2017 IEEE International Conference on RFID Technology and Application, RFID-TA 2017. IEEE, 2017. p. 51-56 8098884.

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

Ndifon, AM, Crisp, MJ, Penty, RV & White, IH 2017, Performance improvements of multicast RFID systems using phased array antennas and phase diversity. in 2017 IEEE International Conference on RFID Technology and Application, RFID-TA 2017., 8098884, IEEE, pp. 51-56, 2017 IEEE International Conference on RFID Technology and Application, RFID-TA 2017, Warsaw, Poland, 20/09/17. https://doi.org/10.1109/RFID-TA.2017.8098884

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title = "Performance improvements of multicast RFID systems using phased array antennas and phase diversity",

abstract = "We present the results of a new Ultra High Frequency (UHF) Radio Frequency Identification (RFID) system using multiple, distributed, phased array antennas for interrogating RFID tags over wide areas. The system makes use of signals multicast over two steerable antenna arrays with phase diversity to overcome fading. The system is compared to two other methods for driving the two arrays; one with the more widely used time division multiplexing and beam steering, and another with multicast signals and beam steering but without phase diversity. It is shown that the new system outperforms both of these in terms of tag RSSI and tag read success rate. The results are validated using a 3D field-based simulator, which enables visualisation of the power distribution in the field of interest.",

keywords = "Distributed Antenna System, Phased array antennas, RFID, Time Division Multiplexing, Ultra High Frequency, Wireless modelling",

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N2 - We present the results of a new Ultra High Frequency (UHF) Radio Frequency Identification (RFID) system using multiple, distributed, phased array antennas for interrogating RFID tags over wide areas. The system makes use of signals multicast over two steerable antenna arrays with phase diversity to overcome fading. The system is compared to two other methods for driving the two arrays; one with the more widely used time division multiplexing and beam steering, and another with multicast signals and beam steering but without phase diversity. It is shown that the new system outperforms both of these in terms of tag RSSI and tag read success rate. The results are validated using a 3D field-based simulator, which enables visualisation of the power distribution in the field of interest.

AB - We present the results of a new Ultra High Frequency (UHF) Radio Frequency Identification (RFID) system using multiple, distributed, phased array antennas for interrogating RFID tags over wide areas. The system makes use of signals multicast over two steerable antenna arrays with phase diversity to overcome fading. The system is compared to two other methods for driving the two arrays; one with the more widely used time division multiplexing and beam steering, and another with multicast signals and beam steering but without phase diversity. It is shown that the new system outperforms both of these in terms of tag RSSI and tag read success rate. The results are validated using a 3D field-based simulator, which enables visualisation of the power distribution in the field of interest.

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Performance improvements of multicast RFID systems using phased array antennas and phase diversity

Abstract

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Keywords

ASJC Scopus subject areas

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