Design of a Reader Antenna for UHF RFID

Hong Yang; Li Guo

doi:10.4028/www.scientific.net/AMR.936.2220

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 936Design of a Reader Antenna for UHF RFID

Design of a Reader Antenna for UHF RFID

Abstract:

A compact and circular polarized antenna for UHF band RFID handset reader was designed, and realized by cutting slits in the antenna patch and etching slots on the ground. Numerical simulation was performed for the characteristics of the antenna with the software HFSS 13.0.The simulation results show that when the size of antenna patch is 68mm×68mm, -10dB return loss impedance bandwidth is 49MHz,VSWR is less than 2 and the largest gain is -0.61dB for antenna in 907～931MHz. Compared with the traditional reader antenna with the same material of the substrate，the improved antenna has a much higher gain．and the size was reduced by 20% and the max gain is raised -0.11dB.

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Periodical:

Advanced Materials Research (Volume 936)

Pages:

2220-2224

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.936.2220

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Online since:

June 2014

Authors:

Hong Yang*, Li Guo

Keywords:

Circularly Polarization, Miniaturization, Reader Antenna, RFID, Slit in the Path, Ultra-High Frequency (UHF)

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* - Corresponding Author

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