This paper presents a narrow band frequency reconfigurable antenna for global navigation systems. Proposed frequency tunable antenna operates for GLONASS (1.601 GHz), GPS (1.575 GHz) and COMPASS (1.561 GHz) navigational systems. Antenna design consists of rectangular patches, two pin-diode switches, feed network, biasing circuitry and supply lines to make antenna operational for three frequency bands. Antenna is simulated and optimized using CST—Computer simulation technology and is fabricated on Roger RO4350b substrate. The demonstrated antenna along with being frequency agile possess essential performance characteristics like high gain, stable radiation patterns and good radiation efficiency for all three frequency bands, making it prospective choice for wireless navigational systems.
Wireless Personal Communications – Springer Journals
Published: Aug 14, 2017
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