Circular microstrip antenna with a sector-slot for dual-port operation

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Circular microstrip antenna with a sector-slot for dual-port operation

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Title: Circular microstrip antenna with a sector-slot for dual-port operation
Author: Deepti Das, Krishna; Aanandan, C K; Mohanan, P; Vasudevan, K
Abstract: Design of a dual-port circular patch antenna with a sector-slot for dual-frequency operation is presented. The antenna resonates at two distinct frequencies with orthogonal polarizations and broad radiation characteristics. Unlike the conventional circular patch, this antenna can be microstrip-fed to operate at either of the resonances. The two polarizations can be simultaneously excited using two electromagnetically coupled ports with an isolation better than −30 dB between the ports. This antenna has the added advantage of size reduction of 44% compared to the conventional circular patch without any reduction in gain.
URI: http://dyuthi.cusat.ac.in/purl/2728
Date: 2006-03-03


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