Closed-form approximations of the peak-to-average power ratio distribution for multi-carrier modulation and their applicationsReport as inadecuate




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* Corresponding author 1 SCEE - Signal, Communication et Electronique Embarquée SUPELEC, CentraleSupélec 2 PANAMA - Parcimonie et Nouveaux Algorithmes pour le Signal et la Modélisation Audio Inria Rennes – Bretagne Atlantique , IRISA-D5 - SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE

Abstract : The theoretical analysis of the peak-to-average power ratio PAPR distribution for an orthogonal frequency division multiplexing OFDM system, depends on the particular waveform considered in the modulation system. In this paper, we generalize this analysis by considering the generalized waveforms for multi-carrier GWMC modulation system based on any family of modulation functions, and we derive a general approximate expression for the cumulative distribution function CDF of its PAPR, for both finite and infinite integration time. These equations allow us to directly find the expressions of the PAPR distribution for any particular functions and characterize the behaviour of the PAPR distribution associated with different transmission and observation scenarios. In addition to that, a new approach to formulating the PAPR reduction problem as an optimization problem, is presented in this study.





Author: Marwa Chafii - Jacques Palicot - Rémi Gribonval -

Source: https://hal.archives-ouvertes.fr/



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