Abstract
CE-OFDM technology is used to modulate the phase of OFDM signal, and it ensures the range of signal envelope to be constant and overcomes the disadvantage of high OFDM signal peak-to-average ratio. This essay puts forward a kind of phase demodulation mode based on Costas loop for CE-OFDM system, and makes a comparison with the original demodulation modes by MATLAB simulation.
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