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A wideband polarization-reconfigurable slot antenna is proposed for wireless-area network (WLAN) 802.11a applications. The antenna consists of four slots in an X-shape. Four PIN-diode switches are used to re-configure the antenna to a left-hand circular polarization (LHCP) or right-hand circulation polarization (RHCP) antenna. The proposed antenna is studied and designed using computer simulation...
A wideband circularly polarized (CP) antenna with a compact size of 0.64λ0×0.64λ0×0.27λ0 operating at the frequency of 2 GHz is presented. The antenna consists of a 4-way power divider, a patch antenna and a metasurface (MS). The input signal is fed to the 4-way power divider and the signals at the outputs of the 4-way power divider are coupled to a patch antenna using 4 orthogonally oriented L-shape...
In this paper, a compact microstrip resonant cell (CMRC) is proposed to improve isolation of antenna elements in the design of multiple-input multiple-output (MIMO) antennas. The MIMO antenna used for studies consists of two symmetrical L-shaped planar inverted-F antenna (PIFA) elements placed at a distance of 16.2 mm on a printed-circuit board (PCB). A single-layer CMRC is etched on the PCB between...
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