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Radially Corrugated Circular Microstrip Patch Antenna for Miniaturization  

이성민 (충남대학교 전파공학과)
김종래 (충남대학교 전자공학과)
우종명 (충남대학교 전파공학과)
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Abstract
In this paper, radially corrugated circular-type microstrip patch antenna was devised and manufactured for GPS (center frequency: 1.575 GHz). Radially corrugated circular-type microstrip patch antenna having radiational corrugation-patch contributed to add size reduction ratio by lowering the resonant frequency because the edge current also has the extended and perpendicular path. As a result, radially corrugated circular-type microstrip patch antenna has 28 % area reduction than planer circular-type patch antenna for linear polarization and 27.7 % area reduction than planer circular-type patch antenna for circular polarization. Radially corrugated circular-type microstrip patch antenna is suitable for miniaturized receive antenna for GPS which has the characteristic of gain 2.1 dBd, axiai ratio 1.3 dB, 2 dB axial bandwidth 15 MHz(0.9 %).
Keywords
Radially Corrugated; Circularly Corrugated; Miniaturization Circular-Type Microstrip Patch Antenna;
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