Journal
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
Volume 67, Issue 2, Pages 1341-1345Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2018.2885210
Keywords
Axial ratio (AR); button antenna; circular polarization; Unlicensed National Information Infrastructure (U-NII) band; wearable
Funding
- Internal DOC Funds of the KU Leuven
- FWO Postdoctoral Fellowship [12O1217N]
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A novel circularly polarized button antenna is proposed. The antenna is constructed on a disk-shaped FR-4 substrate. This disk is located on the top of a textile layer and supported by a feeding probe. The antenna works in the 5.47-5.725 GHz Unlicensed National Information Infrastructure worldwide band, with over 14% relative impedance bandwidth and over 7% relative axial ratio bandwidth. A prototype has been fabricated and measured. A good agreement is found between measured and simulated results.
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