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Optimization of the neutralization technique to enhance the diversity performance of a two-antenna system for UMTS mobile phones

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5 Author(s)
Chebihi, A. ; LEAT, Univ. of Nice-Sophia Antipolis, Valbonne ; Diallo, A. ; Luxey, C. ; Le Thuc, P.
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In this paper, we have shown that it was still possible to get a very good diversity system gain for very closely spaced UMTS PIFAs (0.027 lambda0) positioned on the PCB of a small communicating object by using the neutralization technique. The goal is to see how efficient can be the neutralization technique when the radiators are separated by a very small distance or in other terms, how close can be placed two small UMTS PIFAs on a small ground plane while still having a satisfactory DSG with our neutralization technique. Several measurements will be soon conducted in the Bluetest reverberation chamber of Chalmers Institute to confirm these values.

Published in:

Antenna Technology: Small Antennas and Novel Metamaterials, 2008. iWAT 2008. International Workshop on

Date of Conference:

4-6 March 2008