A wideband UHF RFID reader antenna array with bow-tie elements

Achilles Boursianis; Antonis Dimitriou; Aggelos Bletsas; John N. Sahalos

doi:10.1109/EuCAP.2016.7481912

A wideband UHF RFID reader antenna array with bow-tie elements

Achilles Boursianis, Antonis Dimitriou, Aggelos Bletsas, John N. Sahalos

Department of Engineering

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

Abstract

This paper presents the design procedure of a wideband UHF RFID reader antenna with polarization diversity suitable for searching tagged items. The antenna consists of a microstrip array with alternating orthogonal bow-tie elements, which are fed in series by a pair of microstrip lines. The elements are designed to provide the required bandwidth. The inter-element distance is adjusted to be about 0.8λ at the center frequency, whereas the elements provide in-phase excitation and create two orthogonal electric field components that give beams with polarization diversity. Simulated results indicate that the bandwidth covers the frequency bands of ETSI and FCC (865-928 MHz) standards. Regarding the coverage, it was deduced that the antenna can identify tagged items in a semi-cylindrical volume around its axis. The radius of coverage depends on the input power and tag sensitivity. A case study of reading tagged items in front of a cabinet with shelves is presented.

Original language	English
Title of host publication	2016 10th European Conference on Antennas and Propagation, EuCAP 2016
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9788890701863
DOIs	https://doi.org/10.1109/EuCAP.2016.7481912
Publication status	Published - 31 May 2016
Event	10th European Conference on Antennas and Propagation, EuCAP 2016 - Davos, Switzerland Duration: 10 Apr 2016 → 15 Apr 2016

Other

Other	10th European Conference on Antennas and Propagation, EuCAP 2016
Country/Territory	Switzerland
City	Davos
Period	10/04/16 → 15/04/16

Keywords

bow-tie elements
reader antenna
RFID

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10.1109/EuCAP.2016.7481912

Cite this

@inproceedings{c96995ac12164c079e7b64e34f3e227d,

title = "A wideband UHF RFID reader antenna array with bow-tie elements",

abstract = "This paper presents the design procedure of a wideband UHF RFID reader antenna with polarization diversity suitable for searching tagged items. The antenna consists of a microstrip array with alternating orthogonal bow-tie elements, which are fed in series by a pair of microstrip lines. The elements are designed to provide the required bandwidth. The inter-element distance is adjusted to be about 0.8λ at the center frequency, whereas the elements provide in-phase excitation and create two orthogonal electric field components that give beams with polarization diversity. Simulated results indicate that the bandwidth covers the frequency bands of ETSI and FCC (865-928 MHz) standards. Regarding the coverage, it was deduced that the antenna can identify tagged items in a semi-cylindrical volume around its axis. The radius of coverage depends on the input power and tag sensitivity. A case study of reading tagged items in front of a cabinet with shelves is presented.",

keywords = "bow-tie elements, reader antenna, RFID",

author = "Achilles Boursianis and Antonis Dimitriou and Aggelos Bletsas and Sahalos, \{John N.\}",

year = "2016",

month = may,

day = "31",

doi = "10.1109/EuCAP.2016.7481912",

language = "English",

booktitle = "2016 10th European Conference on Antennas and Propagation, EuCAP 2016",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

note = "10th European Conference on Antennas and Propagation, EuCAP 2016 ; Conference date: 10-04-2016 Through 15-04-2016",

}

Boursianis, A, Dimitriou, A, Bletsas, A & Sahalos, JN 2016, A wideband UHF RFID reader antenna array with bow-tie elements. in 2016 10th European Conference on Antennas and Propagation, EuCAP 2016., 7481912, Institute of Electrical and Electronics Engineers Inc., 10th European Conference on Antennas and Propagation, EuCAP 2016, Davos, Switzerland, 10/04/16. https://doi.org/10.1109/EuCAP.2016.7481912

A wideband UHF RFID reader antenna array with bow-tie elements. / Boursianis, Achilles; Dimitriou, Antonis; Bletsas, Aggelos et al.
2016 10th European Conference on Antennas and Propagation, EuCAP 2016. Institute of Electrical and Electronics Engineers Inc., 2016. 7481912.

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

TY - GEN

T1 - A wideband UHF RFID reader antenna array with bow-tie elements

AU - Boursianis, Achilles

AU - Dimitriou, Antonis

AU - Bletsas, Aggelos

AU - Sahalos, John N.

PY - 2016/5/31

Y1 - 2016/5/31

N2 - This paper presents the design procedure of a wideband UHF RFID reader antenna with polarization diversity suitable for searching tagged items. The antenna consists of a microstrip array with alternating orthogonal bow-tie elements, which are fed in series by a pair of microstrip lines. The elements are designed to provide the required bandwidth. The inter-element distance is adjusted to be about 0.8λ at the center frequency, whereas the elements provide in-phase excitation and create two orthogonal electric field components that give beams with polarization diversity. Simulated results indicate that the bandwidth covers the frequency bands of ETSI and FCC (865-928 MHz) standards. Regarding the coverage, it was deduced that the antenna can identify tagged items in a semi-cylindrical volume around its axis. The radius of coverage depends on the input power and tag sensitivity. A case study of reading tagged items in front of a cabinet with shelves is presented.

AB - This paper presents the design procedure of a wideband UHF RFID reader antenna with polarization diversity suitable for searching tagged items. The antenna consists of a microstrip array with alternating orthogonal bow-tie elements, which are fed in series by a pair of microstrip lines. The elements are designed to provide the required bandwidth. The inter-element distance is adjusted to be about 0.8λ at the center frequency, whereas the elements provide in-phase excitation and create two orthogonal electric field components that give beams with polarization diversity. Simulated results indicate that the bandwidth covers the frequency bands of ETSI and FCC (865-928 MHz) standards. Regarding the coverage, it was deduced that the antenna can identify tagged items in a semi-cylindrical volume around its axis. The radius of coverage depends on the input power and tag sensitivity. A case study of reading tagged items in front of a cabinet with shelves is presented.

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KW - RFID

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DO - 10.1109/EuCAP.2016.7481912

M3 - Conference contribution

AN - SCOPUS:84979300223

BT - 2016 10th European Conference on Antennas and Propagation, EuCAP 2016

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 10th European Conference on Antennas and Propagation, EuCAP 2016

Y2 - 10 April 2016 through 15 April 2016

ER -

A wideband UHF RFID reader antenna array with bow-tie elements

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