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A compact and planar dual-antenna structure is reported which combines a printed monopole and a half-slot antenna to provide dual polarization. Different excited current modes are utilized to obtain low mutual coupling between elements. A prototype is fabricated and the measured results are presented. Relative bandwidth of 23.5% and isolation of better than 23 dB are achieved.
This paper proposes a novel conformal tri-polarization antenna which has three independent ports and three orthogonal polarizations. To verify the design, a prototype antenna was manufactured and measured. The measured VSWR 3:1 bandwidth covers 150 MHz. The antenna consists of three stack layers. The total height of the antenna is 10 mm.
A hybrid slot and inverted L antenna is proposed to transfer a 'harmful' metal bezel to a useful antenna part. The antenna covers two bands, which are GPS (1.575 GHz) and WLAN (2.4-4.484 GHZ) frequency bands. To validate the concept, a prototype antenna was manufactured and measured on a FR4 board. The results agree well with simulations.
A novel unsymmetrical anti-podal taper slot element has been proposed for array antenna to enhance the bandwidth of ultra wide band array. By using unsymmetrical taper slot structure, the aperture of the slot in lower band can be increased. Compared with symmetric anti-podal taper slot array in the same size, the relative bandwidth has been improved to 8:1 approximately instead of 5:1. Experimental...
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