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High peak to average power ratio (PAPR) is a main area of concern in multi-carrier signals like Orthogonal Frequency Division Multiplexing (OFDM) modulated signals and several techniques have been devised to reduce PAPR. One of these PAPR reduction techniques is 'Tone Reservation' where PAPR is reduced by adding tones to the useful data tones to reduce the temporal signal's peak. IDFT is performed...
Two approaches for reducing peak-to-average power ratio (PAPR) in orthogonal frequency division multiplexing (OFDM) are proposed that are relied on a set of cyclically shifted phase sequences (CSPS) and implemented using the time domain circular convolution. After multiplying CSPS with the frequency domain data, the signal candidates can be expressed as weighted sum of the circularly shifted OFDM...
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