Miniaturization of segmented loop antenna by reducing the number of segments and adding stubs

A wideband low‐profile miniaturized segmented loop antenna is proposed in this letter. The antenna consists of a segmented loop comprising 4 segments with stubs, a shorting strip, and a patch element. The antenna is miniaturized by reducing the number of segments and by adding stubs. At 956 MHz, the...

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Bibliographic Details
Published in:Microwave and optical technology letters 2018-03, Vol.60 (3), p.659-667
Main Authors: Kang, Do‐Gu, Lee, Hojoo, Choi, Jaehoon
Format: Article
Language:English
Subjects:
Antennas
Broadband
Impedance matching
Local area networks
low‐profile antenna
Miniaturization
miniaturized antenna
Patch antennas
Reflectance
segmented loop antenna
Segments
Substrates
wideband antenna
Wireless networks
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Summary:A wideband low‐profile miniaturized segmented loop antenna is proposed in this letter. The antenna consists of a segmented loop comprising 4 segments with stubs, a shorting strip, and a patch element. The antenna is miniaturized by reducing the number of segments and by adding stubs. At 956 MHz, the antenna has an improved impedance matching by using the shorting strip, and an omnidirectional radiation due to coupling between the overlapping areas of the segments placed on the top and bottom of the substrate. In the high frequency band, the antenna has a wide −10 dB reflection coefficient bandwidth covering 3700 MHz WiMAX, 5200 MHz WLAN, and 5800 MHz WLAN with a quasi‐omnidirectional radiation characteristic.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.31028