Abstract
Abstract The high peak-to-average power ratio (PAPR) is one of the major drawbacks of the orthogonal frequency division multiplexing (OFDM) systems that make non-linear distortion in practical implementation of high power amplifier (HPA). In this study, the performance of discrete Hartley matrix transform (DHMT) in precoding based OFDM system is analyzed to minimize the high PAPR. We demonstrate that the DHMT precoding method eliminates the multicarrier assumption in a special circumstance. The remarkable results are achieved and compared with conventional OFDM, Walsh–Hadamard matrix transform (WHMT), discrete cosine matrix transform (DCMT) and Vandermonde-like matrix transform (VLMT) in precoding based OFDM signals.
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