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Compact circularly ...
Compact circularly polarized RFID tag antenna with an embedded U-shaped feedline for metallic surfaces
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Pan, T. (author)
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- Zhang, Shuai (author)
- KTH,Elektroteknisk teori och konstruktion
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He, Z. (author)
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Liu, H. (author)
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- He, Sailing (author)
- KTH,Elektroteknisk teori och konstruktion,South China Normal University, China
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show less...
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(creator_code:org_t)
- 2014
- 2014
- English.
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In: Progress in Electromagnetics Research Symposium. - 9781934142288 ; , s. 1567-1571
- Related links:
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https://urn.kb.se/re...
Abstract
Subject headings
Close
- A passive radio frequency identification (RFID) tag antenna with circular polarization (CP) radiation is proposed to operate at 902-928MHz and mount on metallic surfaces. A U-shaped terminal short-circuited feedline welded to a tag-chip is embedded in a rectangular slot to achieve a coupled feeding and a good impedance matching. By employing two truncated corners and two L-shaped slots with unequal length on the patch, a good left-hand circular polarization (LHCP) and compact size are obtained. The measured impedance bandwidth of the antenna is 85MHz (875-960 MHz), while the simulated 3-dB CP bandwidth is 6MHz (912-918 MHz). The proposed tag antenna shows reasonable read ranges when mounted on the metal plate in the following experiment.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- Bandwidth
- Circular polarization
- Electric impedance
- Metallic compounds
- Mobile antennas
- Plate metal
- Polarization
- Radio frequency identification (RFID)
- Surface measurement
- Circularly polarized
- Coupled feeding
- Left-hand circular polarizations
- Measured impedance
- Metallic surface
- Radio-frequency-identification tags (RFID)
- Rectangular slots
- RFID tag antennas
- Antenna feeders
Publication and Content Type
- ref (subject category)
- kon (subject category)
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