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http://dx.doi.org/10.12673/jkoni.2013.17.2.177

Design of patch antenna combined with slots for smart GPS module  

Jang, Min-Gyu (Department of Electronic Engineering, Kumoh National institute of Technology)
Lee, Young-Soon (Department of Electronic Engineering, Kumoh National institute of Technology)
Cho, Dong-Kyun (SMTEL Co., Ltd.)
Publication Information
Journal of Advanced Navigation Technology / v.17, no.2, 2013 , pp. 177-182 More about this Journal
Abstract
In this paper, printed antenna which can be applied to a built-in wireless module of the security controller operating at global positioning system(GPS) L1 frequency band(1.575GHz) is proposed. The proposed antenna is basically composed of a microstrip patch antenna with inserting feed. In particular left and right slots which are respectively asymmetric are used for impedance matching, whereas slot with one open-end and shorting point are used on the bottom plane to set operating frequency and enhance bandwidth. It is observed at the desired GPS L1 frequency band that the radiation efficiency and gain of the proposed antenna are 90% and more than 4.8dBi respectively.
Keywords
GPS antenna; Insertion feeding; Microstrip patch; Asymmetric slots;
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