Koushik Dutta, A. Chatterjee, S. Chakrabarti, D. Guha
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A New Fabry-Perot Cavity Antenna with Wideband Characteristics
A Fabry-Perot Cavity Antenna (FPCA) has been proposed to achieve considerably wide bandwidth with high gain. An aperture-fed microstrip-patch has been used as the primary radiator where the excitation has been initiated by a specially designed dual-offset feedline. A metal-grid superstrate has been designed for achieving wide matching bandwidth (50%) with more than 10 dBi gain. It promises up to 16.7 dBi gain with satisfactory performance in terms of side lobe level (−15dB to −21dB) and cross-pol isolation (up to 45dB).
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