Design of a Three-Dimensional Uniform UHF Near-Field RFID Reader Antenna

This paper proposes a three-dimensional uniform ultra-high frequency (UHF) near-field radio frequency identification (RFID) reader antenna. The antenna achieves a uniform electric field in the x and y directions by placing a single branch microstrip line along the x-axis and y-axis directions, respe...

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Main Authors: Yuan Yao, Yani Xue, Xiaojuan Ren, Junsheng Yu, Xiaohe Cheng, Xiaodong Chen
Format: Article
Language:English
Published: Wiley 2023-01-01
Series:International Journal of Antennas and Propagation
Online Access:http://dx.doi.org/10.1155/2023/5545085
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author Yuan Yao
Yani Xue
Xiaojuan Ren
Junsheng Yu
Xiaohe Cheng
Xiaodong Chen
author_facet Yuan Yao
Yani Xue
Xiaojuan Ren
Junsheng Yu
Xiaohe Cheng
Xiaodong Chen
author_sort Yuan Yao
collection DOAJ
description This paper proposes a three-dimensional uniform ultra-high frequency (UHF) near-field radio frequency identification (RFID) reader antenna. The antenna achieves a uniform electric field in the x and y directions by placing a single branch microstrip line along the x-axis and y-axis directions, respectively. It reaches a uniform electric field in the z-direction by a centrosymmetric four-branch microstrip line. The proposed antenna achieves three-dimensional direction uniformity through a reconfigurable method. The impedance matching bandwidth range of S11 <−10 dB for simulation and measurement includes 0.66 to 0.98 GHz, which can meet the near-field RFID operation frequency band demand. The isolation degrees between ports are less than −24.6 dB within the UHF RFID frequency band (0.86 to 0.96 GHz). In addition, the antenna also has the characteristic of low gain in the far field, and the maximum gain in the far field is less than −27 dBi when operating at different ports. The test results show that the proposed antenna three-dimensional uniform volume of dipole tags above the antenna is 99 mm × 99 mm × 20 mm, and the reading volume of the near-field tags is 40 mm × 40 mm × 5 mm. When the tags are placed on a book, there will be a slight variation in the reading range of the tags.
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issn 1687-5877
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publishDate 2023-01-01
publisher Wiley
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series International Journal of Antennas and Propagation
spelling doaj-art-3d09e7fbccb04d7d92ca8cb9cf04d1862025-08-20T02:39:11ZengWileyInternational Journal of Antennas and Propagation1687-58772023-01-01202310.1155/2023/5545085Design of a Three-Dimensional Uniform UHF Near-Field RFID Reader AntennaYuan Yao0Yani Xue1Xiaojuan Ren2Junsheng Yu3Xiaohe Cheng4Xiaodong Chen5School of Electronic EngineeringSchool of Electronic EngineeringSchool of Electronic EngineeringSchool of Electronic EngineeringSchool of Electronic EngineeringSchool of Engineering and Computer ScienceThis paper proposes a three-dimensional uniform ultra-high frequency (UHF) near-field radio frequency identification (RFID) reader antenna. The antenna achieves a uniform electric field in the x and y directions by placing a single branch microstrip line along the x-axis and y-axis directions, respectively. It reaches a uniform electric field in the z-direction by a centrosymmetric four-branch microstrip line. The proposed antenna achieves three-dimensional direction uniformity through a reconfigurable method. The impedance matching bandwidth range of S11 <−10 dB for simulation and measurement includes 0.66 to 0.98 GHz, which can meet the near-field RFID operation frequency band demand. The isolation degrees between ports are less than −24.6 dB within the UHF RFID frequency band (0.86 to 0.96 GHz). In addition, the antenna also has the characteristic of low gain in the far field, and the maximum gain in the far field is less than −27 dBi when operating at different ports. The test results show that the proposed antenna three-dimensional uniform volume of dipole tags above the antenna is 99 mm × 99 mm × 20 mm, and the reading volume of the near-field tags is 40 mm × 40 mm × 5 mm. When the tags are placed on a book, there will be a slight variation in the reading range of the tags.http://dx.doi.org/10.1155/2023/5545085
spellingShingle Yuan Yao
Yani Xue
Xiaojuan Ren
Junsheng Yu
Xiaohe Cheng
Xiaodong Chen
Design of a Three-Dimensional Uniform UHF Near-Field RFID Reader Antenna
International Journal of Antennas and Propagation
title Design of a Three-Dimensional Uniform UHF Near-Field RFID Reader Antenna
title_full Design of a Three-Dimensional Uniform UHF Near-Field RFID Reader Antenna
title_fullStr Design of a Three-Dimensional Uniform UHF Near-Field RFID Reader Antenna
title_full_unstemmed Design of a Three-Dimensional Uniform UHF Near-Field RFID Reader Antenna
title_short Design of a Three-Dimensional Uniform UHF Near-Field RFID Reader Antenna
title_sort design of a three dimensional uniform uhf near field rfid reader antenna
url http://dx.doi.org/10.1155/2023/5545085
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AT xiaojuanren designofathreedimensionaluniformuhfnearfieldrfidreaderantenna
AT junshengyu designofathreedimensionaluniformuhfnearfieldrfidreaderantenna
AT xiaohecheng designofathreedimensionaluniformuhfnearfieldrfidreaderantenna
AT xiaodongchen designofathreedimensionaluniformuhfnearfieldrfidreaderantenna