A PAPR reduction technique using expurgated cyclic codes for COFDM

Authors:
Zafar Q. Taha;Xian Liu
Affiliations:
Department of Systems Engineering, University of Arkansas at Little Rock, Little Rock, Arkansas;Department of Systems Engineering, University of Arkansas at Little Rock, Little Rock, Arkansas
Venue:
MILCOM'06 Proceedings of the 2006 IEEE conference on Military communications
Year:
2006

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Abstract

High peak-to-average power ratio has been major issue in the implementation of orthogonal frequency division multiplexing systems in low cost application devices. In this paper, we propose an peak-to-averageratio reduction technique which uses channel coding especially expurgated codes. This method combines the error correction capability of the channel encoder and it achieves PAPR reduction in the OFDM system. Our technique is easily implemented in terms of encoding as well as decoding. We shall discuss the trade-offs involved in our method.