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This paper presents a practical method to increase the isolation between two ports of a Multiple Input Multiple Output (MIMO) antenna for mobile hand-held devices. The method consists in a connecting strip containing lumped components placed in between the low impedance zones of the two antennas. The lumped components modify the impedance of the connecting strip so that, together with the mutual coupling...
This paper presents an improved method to isolate the ports for a MIMO antenna in hand-held devices using lumped components. It has been analyzed through simulation and measurement. The total efficiency and the envelope correlation have been evaluated. Compared to the case with no decoupling mechanism, the efficiency from the scattering parameters increases significantly and the envelope correlation...
This paper presents the innovative combination of the MIMO mode and the transceiver separation mode in small handsets, investigating several performance metrics in the presence of the human user. Simulation results show that by using narrow-band antennas the mutual coupling can be decreased significantly and the user's influence can be reduced.
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