A Side-Fed Circularly-Polarized Patch Antenna with a Dielectric Loading |
Ji-Young Jeong1, Seung-Mo Choi2, Bayanmunkh Enkhbayar1, Ononchimeg Sodnomtseren1, Bierng-Chearl Ahn1 |
1School of Electrical and Computer Engineering, Chungbuk University 2Mito-RF Co. |
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Abstract |
In this paper, we present the design and measurement of a side-fed circularly-polarized patch antenna with a dielectric loading. The antenna consists of a comer-truncated rectangular patch, an L-shaped ground plane, a dielectric loading material, and a coaxial probe. An antenna operating at the UHF band (910 MHz) for the RFID reader applications is optimized using a commercial software. The size of the patch is reduced by a factor of 1.73 by loading the patch with mono-cast(MC) nylon. Measurements of the fabricated antenna show performance characteristics comparable to those of much larger commercial RFID reader antennas. |
Key words:
Dielectric-Loaded Antenna, Circularly-Polarized Patch Antenna |
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