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This paper presents a frequency reconfigurable rectangular patch antenna capable of operating at three frequencies. The reconfigurable mechanism of the antenna can be achieved by the implementation of radio frequency (RF) p-i-n junction (PIN) diodes across a T-slot developed on the feed line of the antenna. The antenna is designed using textile based material for wearable applications. The use of...
This paper presents the design challenges that could be faced by radiation pattern reconfigurable antenna in the Gigahertz (GHz) frequencies. This is due to the close relationship between the antenna radiation mechanism to the insertion loss and isolation loss contributed by RF switch at ON and OFF state respectively. Apart from that, the size of the antenna at higher frequencies especially above...
A beam-streering textile antenna for wireless body area network (WBAN) applications is proposed and investigated in this work. This proposed antenna is centrally-fed by a coaxial probe before currents are distributed to the four circular radiating elements. This novel structure successfully integrated the reconfigurable feature into a wearable textile antenna using electronic components. Four RF switches...
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