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Circularly Polarized Loop-Type Ground Radiation Antenna for IoT Applicationsopen access
- Issue Date
- Jul-2019
- Publisher
- KOREAN INST ELECTROMAGNETIC ENGINEERING & SCIENCE
- Keywords
- Axial Ratio; Characteristic Modes; Circular Polarization; Reflection Coefficient
- Citation
- JOURNAL OF ELECTROMAGNETIC ENGINEERING AND SCIENCE, v.19, no.3, pp.153 - 158
- Indexed
- SCOPUS
KCI
- Journal Title
- JOURNAL OF ELECTROMAGNETIC ENGINEERING AND SCIENCE
- Volume
- 19
- Number
- 3
- Start Page
- 153
- End Page
- 158
- ISSN
- 2671-7255
- Abstract
- A circularly polarized loop-type ground radiation antenna using a ground mode tuning (GMT) structure is proposed for Internet of Things (IoT) devices. The antenna is designed to excite two orthogonal modes of equal magnitude on the ground plane. The GMT structure consists of an inductor and a metallic strip that has been installed at the edge of the ground plane to obtain a 90 degrees phase shift between the two modes. The proposed antenna generates left-hand circularly polarized waves in the +z-direction and right-hand circularly polarized waves in the -z-direction. The antenna was fabricated to validate the simulation results. The measured -6 dB bandwidth of the antenna was 150 MHz and the axial ratio bandwidth with reference to 3 dB was 130 MHz, completely covering the 2.4-2.48 GHz band.
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Collections - 서울 공과대학 > 서울 융합전자공학부 > 1. Journal Articles
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Related Researcher
- Kim, Hyeongdong
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)