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Progress In Electromagnetics Research
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META-LOADED CIRCULAR SECTOR PATCH ANTENNA

By S. Yan and G. A. E. Vandenbosch

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Abstract:
A circular sector patch antenna loaded with a periodic metamaterial topology is presented. Several shapes of the circular sector patch are analyzed, and the input impedances and radiation patterns are compared. The topology reveals a nearly constant resonant frequency at zeroth-order resonance (ZOR) while the radiation performance approaches the one of the ZOR full circular patch antenna. Compared with rectangular and circular patch antennas, the sector patch offers more tuning possibilities. A matching network can be easily introduced to enhance the impedance bandwidth. Apart from the ZOR characteristics, this topology can also support a quasi-monopolar pattern at multiple modes. A semicircular patch operating at 4.1 GHz together with an impedance matching network and a dual-band semicircular patch antenna are fabricated and measured.

Citation:
S. Yan and G. A. E. Vandenbosch, "Meta-Loaded Circular Sector Patch Antenna," Progress In Electromagnetics Research, Vol. 156, 37-46, 2016.
doi:10.2528/PIER16020905
http://www.jpier.org/PIER/pier.php?paper=16020905

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