A Method for PAPR Reduction in MSE-OFDM Systems

Authors:
Enchang Sun;Kechu Yi;Bin Tian;Xianbin Wang
Affiliations:
Xidian University, China;Xidian University, China;Xidian University, China;Communications Research Centre Canada,Station H, Ottawa
Venue:
AINA '06 Proceedings of the 20th International Conference on Advanced Information Networking and Applications - Volume 02
Year:
2006

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Abstract

High Peak to Average Power Ratio (PAPR) of the transmitted signal is a major drawback of multicarrier transmission such as Orthogonal Frequency Division Multiplexing (OFDM). This work considers the problem of PAPR reduction in a Multi-Symbol Encapsulated OFDM (MSE-OFDM) system. This paper employs the discrete cosine transform (DCT) to the data sequence. Not only can this method have the same bandwidth efficiency as that of the CP-reduced MSE-OFDM system, but also reduce the PAPR in the MSE-OFDM. Simulation shows that the proposed scheme can significantly reduce the PAPR in MSEOFDM system without increasing the symbol error rate.