Compact Symmetric Quad-Arm Meander-Line RFID Tag Antenna for Metallic Surface Applications

Published online: 03/03/2026

Các tác giả

Email tác giả liên hệ:

nmtan@hcmut.edu.vn

DOI:

https://doi.org/10.54644/jte.2026.2012

Từ khóa:

Metal tag antenna, RFID chip, Impedance matching, RFID tag antenna, Meander-line patch

Tóm tắt

Một thiết kế ăngten thẻ RFID UHF thu nhỏ sử dụng chip Ucode 8/8m — có trở kháng ngõ vào 15 – j217 Ω tại 915 MHz — được đề xuất. Để đảm bảo truyền công suất tối ưu, cấu trúc ăngten được tinh chỉnh cẩn thận nhằm đạt điều kiện ghép trở kháng liên hợp phức với chip. Ăngten hoàn thiện có kích thước 50 × 50 × 0,4 mm³, đạt hệ số truyền công suất lên đến 95% và hỗ trợ khoảng cách đọc vượt quá 8,0 mét khi hoạt động với công suất bức xạ đẳng hướng hiệu dụng (EIRP) 4,0 W. Thử nghiệm hiệu năng được thực hiện khi thẻ gắn trên bề mặt kim loại 250 × 250 mm², cho thấy khả năng hoạt động ổn định trong môi trường kim loại. Ăngten được thiết kế để hoạt động trong dải tần RFID UHF do FCC quy định (902–928 MHz), phù hợp cho ứng dụng tại Bắc Mỹ và Việt Nam. Kết quả đo thực nghiệm có sự tương đồng cao với kết quả mô phỏng toàn sóng, khẳng định tính hiệu quả của phương pháp ghép trở kháng cũng như hiệu suất tổng thể của thiết kế.

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Tiểu sử Tác giả

Minh Tan Nguyen, Ho Chi Minh City University of Technology (HCMUT), VNU-HCMC, Vietnam

Minh Tan Nguyen received a B.S. degree in Electronic Physics and an M.S. degree in Electronics and Telecommunication Engineering from Vietnam National University Ho Chi Minh City in 2007 and 2013, respectively, and the Ph.D. degree in Electronic Engineering from National Kaohsiung University of Science and Technology (NKUST), Taiwan in 2023. Under the guidance of his Advisor, he has been awarded the Best Student Paper Award in the 2020 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (IEEE IWEM 2020). Since 2023, he has been a Visiting Researcher at the Institute of Photonic Engineering, NKUST, Taiwan. He is also a Lecturer in the Department of Telecommunication, Faculty of Electrical and Electronics Engineering, Ho Chi Minh University of Technology, VNU-HCM. His main research interests include antenna design for RFID Tags, Reader, Phase Array Antennas, 5G/ 6G base stations. 

Email: nmtan@hcmut.edu.vn. ORCID:  https://orcid.org/0000-0002-2274-4292

Tài liệu tham khảo

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Tải xuống

Đã Xuất bản

2026-03-03

Cách trích dẫn

[1]
M. T. Nguyen, “Compact Symmetric Quad-Arm Meander-Line RFID Tag Antenna for Metallic Surface Applications: Published online: 03/03/2026”, JTE, tháng 3 2026.

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