Far-field Wireless Power Transfer (WPT) has attracted significant attentionin the last decade. Recently, channel-adaptive waveforms have been shown tosignificantly increase the DC power level at the output of the rectifier.However the design of those waveforms is generally computationally complex anddoes not lend itself easily to practical implementation. We here propose alow-complexity channel-adaptive multisine waveform design whose performance isvery close to that of the optimal design. Performance evaluations confirm thebenefits of the new design in various rectifier topologies.
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