Abstract
This paper presents a soft decision decoding based on Chase's (1972) algorithm applied to Reed-Muller codes for peak-to-MEan Power Ratio (PMEPR) reduction and error correction. This scheme is applied to the OFDM (Orthogonal Frequency Division Multiplexing) modulated signal to reduce its PMEPR and to have correction capacities. We first obtain a 2 dB coding gain at BER=10/sup -4/ between hard and soft decoding and about 4 dB between the soft decoding and the uncoded system. Next, by modeling nonlinear TWTA power amplifiers with AM/AM and AM/PM distortions, we obtain similar results and note improving BER performance compared to BCH codes with the same parameters.
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