Abstract
MIMO-OFDM is one of the core technologies of 4G in the future, but the problem of high Peak—to—Average Power Ratio (PAPR) of LTE systems remains as one of the main obstacles that limit the application of OFDM. A method of space-frequency rotation and inversion has been proposed. According to the results of the Simulation, suppresses the smaller loss of PAPR performance, to improve the performance of LTE system.
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