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The subject of this paper is a dual frequency microstrip antenna operating at 28.5-30.4 GHz and 58.8-60.9 GHz. Local multipoint distribution system (LMDS) and The WirelessHD (WiHD) special interest group utilizes the band above 26 GHz and 60 GHz, respectively. Antenna design was based on the ultra wideband tapered slot antenna. Dual frequency operation is realized on a multilayer substrate with multi-arm...
This paper propose a novel slot antenna with pattern reconfigurability. The planar antenna is fabricated on the top side of a FR4 substrate and the microstrip feeding line is fabricated on the back side of the board. the proposed antenna demonstrates reconfigurable radiation patterns in the frequency range from 3 to 5.5 GHz. Pin diodes are used to change the radiation patterns of the proposed antenna...
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