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Compact GPS Patch Antenna Using Variable Capacitor
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 Title & Authors
Compact GPS Patch Antenna Using Variable Capacitor
Kim, Ki-Nam;
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 Abstract
Recently there have been much interest in the GPS antenna performance improvement. In this paper, we propose very small patch antenna for GPS band. The proposed antenna resonance frequency was adjusted using the ground plane and variable capacitor connected the frame. The fabricated antenna was used a FR4 substrate by considering the difficulty and economical efficiency. Antenna measurement results was obtained good characteristics of VSWR 1.2, the passive antenna gain -0.60 dBi, the active antenna gain of 29 dB in center frequency of 1575.42 MHz GPS band.
 Keywords
GPS Antenna;GPS Active Antena;Compact Antenna;Variable Capacitor;Patch Antenna;
 Language
Korean
 Cited by
 References
1.
S. H. Cho, S. Pyo, J.-M. Kim, I.-Y. Lee, and Y.-S. Kim, "A compact circular-polarized microstrip antenna using the slit and multi-layer structure," J. KEES, vol. 20, no. 3, pp. 296-302, Mar. 2009. crossref(new window)

2.
W. S. Chen, C. K. Wu, and K. L. Wong, "Compact circularly polarized microstrip antenna with bent slots," Electron. Lett., vol. 34, no. 13, pp. 1170-1171, Jun. 1998. crossref(new window)

3.
W. W. Roh and J. M. Woo, "Miniaturization of microstrip antenna using folded structure with attaching plates for satellite communication terminal," IEEE AP-S Int. Symp. Dig., pp. 4709-4712, Jun. 2007.