## Abstract A UHF band near‐field antenna using microstrip lines and stubs for tagging stacked tags in a smart table is presented. It is shown that a suitable near‐field reader antenna can be designed from signal lines, ground lines, and several stubs to generate coupled electric and magnetic field
Microstrip-based segmented coupling reader antenna for near-field UHF RFID applications
✍ Scribed by Xiuping Li; Liang Cao
- Publisher
- John Wiley and Sons
- Year
- 2011
- Tongue
- English
- Weight
- 757 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
A microstrip‐based segmented coupling reader antenna is proposed for near‐field ultra high frequency radio frequency identification applications. The measured reading distance is 13.5 cm in the air and the measured bandwidth is around 55 MHz (895–950 MHz) under the condition of voltage standing wave ratio less than 2.0, which covers the Federal Communications Commission standard (902–928 MHz) completely. In addition, the simulated far‐field gain is around 4.7 dBi. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26144
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## Abstract This article presents a new UHF RFID reader antenna for a handheld reader system. An aperture‐coupled structure is employed to cover the North American UHF RFID frequency band: 902–928 MHz. A thick high‐dielectric substrate with a relative permittivity of ε~r~ = 8 is used for the size r