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A novel planar frequency diverse array (FDA) design approach to the solution of far-field wireless power transmission (WPT) problem is presented and discussed in this work. The introduced planar FDA design approach, based on nonlinear frequency offsets and time-modulated weights, allows focusing the energy over a defined 3D region for far-field WPT applications which is not achievable with classical...
This paper proposes a frequency diverse array (FDA) design approach, based on nonlinear frequency offsets and time-modulated weights, for far-field wireless power transmission (WPT). The objective is to optimize the frequency offsets and weights across the array elements to provide maximum end-to-end energy transfer efficiency (ETE). A set of numerical examples is reported and discussed to validate...
This paper proposes three schemes for three scenarios to realize 4-D beampatterns. The synthesis of the unconventional arrays is based on the time-modulated optimized frequency offset. The retrodirectivity and harmonics are also used for multi-targets. Simulated results validate the proposed ideas.
In this paper, we propose a new concept of frequency diverse phase-conjugating retrodirective array (FD-PCA) with range-focusing capability for multi-targets. In the conventional PCA, the phase-conjugating mixers in each channel are fed from a common LO signal at twice the RF frequency. In the proposed FD-PCA, an additional small frequency offset across the phase-conjugating mixers is added. Due to...
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