This paper proposes an optimization algorithm for reducing PAPR based on SLM cascade cancellation technology. The algorithm first uses the improved SLM algorithm to optimize the system PAPR characteristics, and then uses the sampled signal as a reference function to effectively reduce the system peak-to-average ratio. By analyzing the principle and algorithm of SLM cascade peak cancellation, simulation results show that this method can obtain a lower PAPR than the original SLM technology under the conditions of smaller calculation amount and bit error rate.
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