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In this paper, we present a dual-band antenna for Long Term Evolution (LTE) handsets. The proposed antenna is composed of a meandered monopole operating in the 700 MHz band and a parasitic element which radiates in the 2.5-2.7 GHz band. Two identical antennas are then closely positioned on the same 120×50 mm2 ground plane (Printed Circuit Board) which represents a modern-size PDA-mobile phone. To...
In this paper a multi-band multi-antenna system for WLAN MIMO box having low isolation has been presented. The miniaturized antenna consists of two IFAs antenna placed in the corner of the home-box PCB and separated by only 10 mm. To achieve a good isolation between the IFAs, an improved neutralization technique consisting in inserting a capacitor between the transmission line has been used. This...
In this paper, we present the design of a dual-band antenna for Long Term Evolution (LTE) handsets. The proposed antenna is composed of a meandered monopole operating in the 700 MHz band and a connected parasitic radiating in the 2.5-2.7 GHz band. Two antennas of the same kind are then closely positioned on the same 120×50 mm2 Printed Circuit Board (PCB) which represents a modern PDA-mobile phone...
In this communication we present a novel polarization-agile microstrip antenna design. To dynamically change the polarization state, the radiating patch is fed by a tunable quasi-lumped coupler. The whole structure can be dynamically altered to radiate electromagnetic waves with vertical linear, horizontal linear, right-handed circular or left-handed circular polarization simply by changing the operating...
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