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Artículo

Optimized Limited Size Printed Bowtie Antenna for UHF RFID Readers

Leandro Andrade-Fonseca et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo

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Author / responsible party
Leandro Andrade-Fonseca et al
Publisher
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo
ISSN
2179-1074
ISSN
2179-1074
Language
English

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Abstract A novel design of a printed bowtie antenna without a ground plane and with size below a quarter wavelength for RFID readers is presented. Due to the lack of a ground plane, the designed antenna has omnidirectional characteristics and is insensitive to small permittivity deviations. For matching purposes without introducing gain distortion, a shorting strip connecting the radiating arms and four triangular shaped extensions of the radiating arms are added to the antenna design. Measurements show that operation in the 915 MHz band is met with a bandwidth of 13% (S11 < -10 dB) and gain around 2 dBi, while presenting an omnidirectional radiation pattern. Also, the proposed antenna design can be easily modified to operate at neighboring frequency bands.

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APA 7

al, L. A. F. E. (s. f.). Optimized Limited Size Printed Bowtie Antenna for UHF RFID Readers. https://doi.org/10.1590/2179-10742017v16i41015

MLA

al, Leandro Andrade-Fonseca et. "Optimized Limited Size Printed Bowtie Antenna for UHF RFID Readers.". https://doi.org/10.1590/2179-10742017v16i41015.

Chicago

al, Leandro Andrade-Fonseca et. s. f. "Optimized Limited Size Printed Bowtie Antenna for UHF RFID Readers.". https://doi.org/10.1590/2179-10742017v16i41015.

Harvard

al, L. A. F. E. s. f, Optimized Limited Size Printed Bowtie Antenna for UHF RFID Readers, Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo, available at: https://doi.org/10.1590/2179-10742017v16i41015 [Accessed 9 Aug. 2026].

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Title
Optimized Limited Size Printed Bowtie Antenna for UHF RFID Readers
Author / contributors
Leandro Andrade-Fonseca et al
Publisher
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo
ISSN
2179-1074
ISSN
2179-1074
Language
English

Subjects

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Printed antennas; UHF; shorting strip; bowtie; RFID
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