In this paper, we present an EVM-BER conversion method applicable to PAM/QAM modulations. Using SNR as an indicator of the transmission environment, we analyze the EVM and BER of the modulations. EVM-BER conversion is performed by determining the SNR value that corresponds to a given value of EVM using the bisection method, and then sequentially obtaining the BER value for this SNR. By measuring the output of power amplifiers equipped with a DPD using QAM-modulated signals as the input, the accuracy of the proposed conversion method in predicting the BER was verified by comparing it with the existing method.
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Dong-Min Lim (2024) studied this question.
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