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A new circular polarization (CP) design for single-feed microstrip patch antennas is presented and studied. The proposed design is much simpler in construction compared to the traditional wide-band patch antenna. For the desired results, two slots are inserted into the patch antenna. Bandwidths as high as 10% are achieved with stable pattern characteristics, such as gain and cross polarization, within...
This paper presents the simulation results obtained with a circular patch antenna having an off centered narrow ring slit. With a particular location of ring slit near periphery of circular geometry, antenna resonates at two different frequencies which lie in the lower and upper band of Wi-Max communication adopted by IEEE 802.16. The efficiency and gain of antenna at one of these frequencies are...
A circular patch antenna with a narrow slit is proposed to achieve multi frequency, dual band operation. The proposed antenna radiates at four different frequencies with sufficiently high matching with probe feed system. Among these four frequencies two frequencies 2.62 GHz and 5.82 GHz lies in lower and upper frequency band respectively of Wi-Max application created by IEEE 802.16 working group....
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