Printed Cross-Slot Wideband Conformal Antenna for GPS Application
Keywords:
Conformal antenna, GPS application, printed antenna, wideband antennaAbstract
A novel cross-slot printed wideband conformal antenna is proposed for GPS application. Initially a planar antenna with cross-slot is designed at a slightly higher frequency and then the planar antenna is transformed to the corresponding cylindrical conformal antenna with the desired radius of curvature. The combination of partial ground plane and cross-slot on patch are used for bandwidth enhancement. The proposed conformal antenna exhibits a fractional bandwidth (for the definition of -10dB) of 79.28% operating from 1091 to 2524 MHz, which is suitable for all GPS bands, GLONASS and GALILEO applications. The radiation pattern exhibits an omnidirectional pattern and gain of proposed conformal antenna is 2.37 to 5.33dBi within operating frequency range.
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