Abstract
In the current era of wireless communication, the antenna researchers are widely focused on two major areas such as bandwidth enhancement and generation circular polarization characteristics. Bandwidth enhancement provides higher data rate without any increment in power level. In the same way, orientation independency between transmitter and receiver antennas can be provided by circular polarization characteristic. In this project, a dual-sense Circularly Polarized (CP) hybrid antenna is reported. The antenna that is proposed works over the range of frequency 3.28 GHz to 5.78 GHz with a fractional bandwidth of 55.18%. Dual Circular Polarization wave with dual-sense characteristics for which Axial Ratio is less than 3 dB are created in the range of frequency 3.81 to 4.28 GHz and 4.98 to 5.28 GHz respectively. Based on the above parameters the antenna has applications like WLAN and WIMAX.
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