THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Feb.; 29(2), IS

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1 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Feb.; 29(2), ISSN (Print) ISSN X (Online) UHF-HF RFID UHF-HF Dual-Band RFID Tag Antenna Design for Boxes 남세현 강주원 정유정 Seahyeon Nam Juwon Kang Youchung Chung 요약 RFID(Radio Frequency Identification) 920 MHz UHF(Ultra High Frequency) MHz HF(High Frequency) NFC(Near Field Communication). HF NFC, UHF RFID. simulation, HF NFC NXP Ntag213 Loop. UHF Alien Higgs-3, HF HF,. Abstract This paper introduces the development of HF(NFC) and UHF band(13.56 MHz, 920 MHz) tag antennas, imbedded in a box. In dual band antennas, the HF band tag can be used to inspect the box using NFC, and the UHF band tag can be used for logistics. The dielectric constant of the box material is measured and used for simulation. The Ntag213 chip manufactured by NXP is used in HF loop antennas, since NFC is possible with Ntag213. For the UHF band, the Higgs-3 chip manufactured by Alien is used. The HF tag antenna is located at the center of the UHF tag antenna, and the location of the HF tag antenna is calculated while considering coupling effects. The designed tag can be used by both the bands for the purposes of logistics and authentication. Key words: Dual Band RFID Tag, UHF & HF Tag, Tag for Box, NFC and UHF Tag. 서론 RFID.,,,, /,,. RFID.,,, RFID. RFID,. HF 135 khz MHz. (Information and Communication Engineering, Daegu University) Manuscript received April 28, 2017 ; Revised January 23, 2018 ; Accepted February 2, (ID No ) Corresponding Author: Youchung Chung ( youchung@daegu.ac.kr) c Copyright The Korean Institute of Electromagnetic Engineering and Science. All Rights Reserved. 93

2 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 29, no. 2, Feb , 433 MHz UHF, UHF MHz, 2.45 GHz. ISO(International Standard Organization) IEC(International Electrotechnical Commission). ISO khz, ISO Pay MHz, ISO MHz, ISO MHz UHF, 2.45 GHz ISO , NFC. UHF. UHF, NFC NFC,,. UHF NFC [1]. RFID UHF (2.45 GHz, 5.8 GHz). feeding point RFID. [2] [5]. [2] UHF 2.45 GHz Bow-tie Fractal [6] U.. RFID [1] HF UHF. RFID HF NFC ISO/IEC Ntag213., HF UHF HF Loop UHF [4],[5]. HF NXP NTag213, UHF Alien Higgs-3. UHF,... 본론.. Agilent N5230A(10 MHz 20 GHz) 10., (3). HF MHz , UHF 920 MHz CST simulation. UHF/HF, mm., NFC 94

UHF-HF RFID (3) log (4) :, : 그림 1. HF/UHF Fig. 1. Design parameters of UHF/HF tag.

data sheet R C ( = 1,800, =0.85 pf) (1) (4) 920 MHz 22.7-201j.

1 original q p 1, 2, -1, -2 mm 2. UHF HF UHF S 11 3. 10 mm, 15 mm, 20 mm. S 11. 3 20 mm.

3 UHF-HF RFID (3) log (4) :, : 그림 1. HF/UHF Fig. 1. Design parameters of UHF/HF tag.. CST 1 CST parameters sweep. 6.8 mm, 1.55 mm, 0.4 mm, data sheet R C ( = 1,800, =0.85 pf) (1) (4) 920 MHz j. simulation S 11 S 11. Simulation UHF 30.4 mm, 20.4 mm 920 MHz db. 1 original q p 1, 2, -1, -2 mm 2. UHF HF UHF S mm, 15 mm, 20 mm. S mm. UHF simulation MHz simulation -14 db 11 db. (1) (2) 그림 2. UHF S 11 Fig. 2. S 11 vs. parameter values of UHF tag. 95

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 29, no. 2, Feb. 2018. 2.56 uh L 2.76 uh. L HF 5. 12.7 MHz, 38 db. HF 4.3 cm. Tag 6. 7 x-y y-z, 920 MHz 1.909 db. 그림 3.

4 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 29, no. 2, Feb uh L 2.76 uh. L HF MHz, 38 db. HF 4.3 cm. Tag 6. 7 x-y y-z, 920 MHz db. 그림 3. UHF/HF S 11 Fig. 3. S 11 vs. distance between UHF and HF tags. 그림 4. UHF Fig. 4. Measured & simulated S 11 of UHF tag. Port S 12 S db. HF MHz, N=6, mm 0.4 mm. NTag213 C 50 pf, MHz L 2.76 uh. HF network analyzer L 그림 5. HF Fig. 5. Measured S 11 for HF tag antenna. 그림 6. Fig. 6. Fabricated RFID tag antenna. 96

UHF-HF RFID (a) x-y plane 그림 7. Fig. 7. Antenna pattern of the tag. (b) y-z plane. UHF 3.6 m, HF 4.3 cm.,. NFC,. UHF Alien 9900, 0 db, 6 db 8. 920 MHz 0 3.6 m.. 결론 UHF(920 MHz) HF(13.

Chung, "UHF & HF RFID credit card size tag antenna designs using silver-ink and jumper structure," The Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 27, no. 11, pp.

5 UHF-HF RFID (a) x-y plane 그림 7. Fig. 7. Antenna pattern of the tag. (b) y-z plane. UHF 3.6 m, HF 4.3 cm.,. NFC,. UHF Alien 9900, 0 db, 6 db MHz m.. 결론 UHF(920 MHz) HF(13.56 MHz) HF NFC NTag213 UHF Alien Higgs3 그림 8. UHF Fig 8. Reading range pattern of UHF tag. References [1] S. H. Nam, Y. C. Chung, "UHF & HF RFID credit card size tag antenna designs using silver-ink and jumper structure," The Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 27, no. 11, pp , Nov [2] S. Jeon, Y. Yu, and J. Choi, "Dual-band slot-coupled dipole antenna for 900 MHz and 2.45 GHz RFID tag application," Electronics Letter, vol. 42, no. 22, pp , Oct [3] R. H. Zeng, Q. X. Chu, "A compact slot-coupled dualband RFID tag antenna," Microwave and Optical Technology Letters, vol. 51, no. 9, pp , Sep [4] P. Iliev, P. L. Thuc, C. Luxey, and R. Staraj, "Dual-band HF-UHF RFID tag antenna," Electronics Letters, vol. 45, no. 9, pp , Apr [5] C. L. Tan, W. Ismail, "Compact dual band tag antenna design for radio frequency identification(rfid) application," Progress in Electromagnetics Research C, vol. 31, pp , [6] H. Aliakbari, A. Mallahzadeh, and S. M. A. Nezhad, "A tri-band, small size radio frequency identification tag antenna with U-shaped slots," Microwave and Optical Technology Letters, vol. 54, no. 8, pp , Aug

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 29, no.

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6 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 29, no. 2, Feb : ( ) : ( ) : ( ) : [ 주관심분야 ],, RFID : ( ) : University of Nevada ( ) : University of Nevada ( ) : Utah State University : University of Utah 2004 : IEEE Senior Member 2006 : Associate Editor of International Journal of Antenna Propagation(IJAP) Associate Edittor of KIEES : [ 주관심분야 ] RFID,,,, Live Wire 2015 : ( ) ~ : [ 주관심분야 ], RFID,, RFID 98

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 28, no. 9, Sep [1]. RFID.,,,,,,, /,,, (,,,, ) [2] [4].., ( 99

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2017 Sep.; 28(9), 679 684. http://dx.doi.org/10.5515/kjkiees.2017.28.9.679 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) UHF