Numerical results demonstrate the advantage of our joint design for the IDET waveform shaping with the existence of the CFO and the outdated CSI. Keywords: integrated data and energy transfer (IDET); wireless energy transfer (WET); simultaneous wireless information and power transfer (SWIPT); carrier-frequency-offset (CFO); waveform; aging channels; outdated channel state information (CSI); orthogonal frequency division multiplexing (OFDM)
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