Abstract
In this paper, we propose a PAPR reduction method for a 16-QAM OFDM system by combining the BCM scheme with PTS technique, called BCM-PTS. We use four binary Reed-Muller codes as the BCM component codes to construct a 16-QAM BCM code and decompose this code as direct sum of a correction subcode for encoding information bits and a scrambling subcode for encoding PAPR bits. The PAPR bits are reserved in the fourth component code to generate a number of candidates for PAPR control. We consider the PAPR performance for Reed-Muller codes in natural and cyclic ordering, respectively. Numerical results show that our proposed method has better PAPR statistics than the original PTS technique in the 16-QAM OFDM systems.
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