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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 demonstrates for the first time an integrated circuit-level/electromagnetic approach to the analysis of time-modulated linear arrays. We developed a multi-domain CAD platform combining rigorous Harmonic Balance-based analysis of the nonlinear switches with the electromagnetic characterization of the radiating elements. This allows a full-wave computation of the radiated far field envelope...
In this paper we have presented the results of initial research into new switching and sub-arraying schemes for time-modulated antenna arrays. Conventional time-modulated arrays employ switching schemes in which each element of the array has a common start time and an switch-off time which varies according to a prescribed amplitude taper. In this paper we have examined switching strategies in which...
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