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Broadband Capacitively Coupled Stacked Patch Antenna for GNSS Applications

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4 Author(s)
Du Li ; Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., Changsha, China ; Pengfei Guo ; Qing Dai ; Yunqi Fu

A broadband stacked circular patch antenna is presented in this letter. The broadband characteristic is achieved by employing capacitively coupled feed structure. The antenna is fed by a wideband four-output-ports feed network with equal magnitude and consistent 90° phase shift. The final antenna provides very good circularly polarized radiation for Global Navigation Satellite System applications including GPS, GLONASS, Galileo, and Compass.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:11 )