A novel approach for enabling Simultaneous Wireless Information and Power Transfer (SWIPT) through Time- Modulated Arrays (TMAs) is proposed. The presented system employs a transmitting TMA based on periodic Sum-of-Weighted-Cosine (SWC) pulses with a Single-Sideband (SSB) modulation for maximum power efficiency. Wireless Power Transfer (WPT) is achieved through Near-Field Focus (NFF) of the transmitted array, while Information Transfer (IT) is performed based on Frequency Domain Index Modulation (FDIM). An application example is studied for two users.
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Pendás-Recondo et al. (2024) studied this question.
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