Wideband Omnidirectional Circularly Polarized Antenna Based on Tilted Dipoles

PROJECT TITLE :

Wideband Omnidirectional Circularly Polarized Antenna Based on Tilted Dipoles

ABSTRACT:

A wideband omnidirectional circularly polarized (CP) antenna is developed. The omnidirectional CP antenna includes four tilted dipoles that are wrapped around a cylinder for omnidirectional CP pattern. Every tilted dipole is coupled with a parasitic part for bandwidth enhancement. It is shown that the wideband omnidirectional CP antenna achieves an axial ratio (AR) bandwidth of forty fourp.c (1.sixty nine–a pair of.64 GHz) for $textAR 10;textdB$. The antenna gain is around one dBi with an omnidirectionality of less than one.5 dB.

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+ forty four = fifty four