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A novel dual-polarisation/dual-pattern stripline-fed annular-ring slot antenna for body-centric communication systems working in the IEEE 802.11a frequency band at 5.725-5.825-GHz is presented. A stripline feeding technique has been implemented in order to reduce the back radiation level and make the antenna suitable for wearable communication systems. The planar antenna has been designed to provide...
A planar three-port annular-ring slot antenna has been described. The antenna has been designed to operate at 5.725-5.825 GHz (a IEEE 802.11a frequency band). Port 1 is associated with a dipole-like radiation pattern whose radiated field is perpendicular to the antenna plane. Port 2 and 3 both radiate a broadside radiation pattern, with two orthogonal linearly polarized electric fields. The annular...
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