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A novel planar antenna element for applications in sector antennas is proposed. The antenna element consists of three patches coupled both electromagnetically and through the feeding network to ensure 90deg beamwidth in a wide frequency range. A suspended microstrip technique has been used to ensure simultaneously low production costs and low losses within the feeding network. The designed antenna element operates within a frequency range of 5.1-5.9 GHz.
Date of Publication: Feb. 28 2008