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- Byun, Gangil
- Antenna Technology Lab.
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Design of Parabola-Shaped Planar Lossy Magnetic Surface for Improved Isolation Characteristic Between GPS Array Elements With Circular Polarization Property
- Author(s)
- Hur, Jun, Byun, Gangil, Choo, Hosung
- Issued Date
- 2020-01
- Citation
- IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, v.19, no.1, pp.139 - 142
- Abstract
- This letter proposes the design of a parabola-shaped planar lossy magnetic (PLM) surface for improving the isolation characteristic of Global Positioning System (GPS) arrays. The proposed surface consists of multiple parabolic grooves that are filled with lossy magnetic material that allows the resulting surface to serve as an artificial magnetic conductor. A four-element GPS array with and without the proposed surface is fabricated and measured in a full-anechoic chamber to demonstrate the feasibility of the parabola-shaped PLM surface. The results confirm that the developed surface is suitable for improving the isolation characteristic for GPS arrays while minimizing array pattern gain reduction at increased steering angles.
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- ISSN
- 1536-1225
- Keyword (Author)
- Gain, Global Positioning System, Mutual coupling, Antenna measurements, Magnetic losses, Reflection coefficient, Antenna radiation patterns, Global Positioning System (GPS) array, isolation characteristic, parabola-shaped planar lossy magnetic (PLM) surface
- Keyword
- ARTIFICIALLY SOFT, HARD SURFACES
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