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The paper presents a novel method for an agile and precise indoor wireless power transfer (WPT) operation by means of a time-modulated array (TMA). The high level of reconfiguration of these arrays is fully exploited by a two-step procedure: first, according to the radar-monopulse principle, a two-element time-modulated sub-array is used for localization of tagged sensors to be energized; then the...
In this paper the exploitation of time-modulated arrays (TMAs) for precise indoor wireless power transfer (WPT) is presented for the first time. The high level of reconfiguration of these arrays allows a smart transfer of power by means of a two-step procedure: first the sole two central elements of the array are used for localization purposes, by combining the sum and difference radiation patterns;...
The paper shows a nonlinear/electromagnetic co-simulation tool for the rigorous analysis of time-modulated arrays in realistic application scenarios, e.g. in presence of digitally modulated carriers. The Harmonic Balance (HB) technique is used for the accurate description of the nonlinearities, and is combined to the full-wave description of the radiating array. The developed tool overcomes simplifying...
The paper introduces to the rigorous simulation of time-modulated linear arrays (TMAs) by the combination of the Harmonic Balance (HB) method with the electromagnetic description of the radiating elements. This way the simplifying assumptions of previous approaches are avoided and the effect of switches nonlinearity can be straightforwardly put into evidence. Moreover the realistic case of digitally...
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