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cs.IT2025
Repeated-and-Offset QPSK for Low-PAPR DFT-s-OFDM in Satellite Communications
Renaud-Alexandre Pitaval
Motivated by the convergence of terrestrial cellular networks and satellite communications, this article considers an adaptation of offset quadrature phase shift keying (OQPSK), tr…
cs.IT2025
Optimum Spectrum Extension for PAPR Reduction of DFT-s-OFDM
Renaud-Alexandre Pitaval, Fredrik Berggren, Branislav M. Popovic
Uplink coverage in cellular networks is constrained by the maximum UE transmit power, making peak-to-average power ratio (PAPR) reduction essential. While DFT-s-OFDM with frequency…