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Circularly polarized ground radiation antenna using planar metal loop
- Issue Date
- Dec-2017
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- antenna; axial ratio; Circular polarization antenna; ground mode tuning (GMT); metal loop
- Citation
- International Conference on Information and Communication Technology Convergence: ICT Convergence Technologies Leading the Fourth Industrial Revolution, ICTC 2017, v.2017-December, pp.925 - 927
- Indexed
- SCOPUS
- Journal Title
- International Conference on Information and Communication Technology Convergence: ICT Convergence Technologies Leading the Fourth Industrial Revolution, ICTC 2017
- Volume
- 2017-December
- Start Page
- 925
- End Page
- 927
- Abstract
- In this paper, a new type of compact mobile antenna that can generate circularly polarized wave is proposed. The antenna is composed of square-shaped ground plane, monopole type resonator and metal loop structure. Square-shaped ground has degenerate modes which are perpendicular. Resonant frequencies of degenerate modes are efficiently lowered by metal loop structure and are finely split by adjusting inductances inserted in the metal loops. Monopole type resonators are inserted to couple degenerate ground modes equally with feeding source. According to the measured results, the antenna has impedance bandwidth (reflection coefficient ≤ -6 dB) of 24%, axial ratio (AR) bandwidth (AR ≤ 6 dB) of 7.7% and average efficiency of 54% in the 2.4-2.5 GHz frequency band appropriate for Wi-Fi and Bluetooth.
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Related Researcher
- Kim, Hyeongdong
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)