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机译:
Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China;
Univ Calgary, Intelligent RF Radio Lab, Calgary, AB T2N 1N4, Canada;
Digital predistortion (DPD); hybrid beamforming (HBF) array; massive multi-in multi-out (mMIMO); over-theair diversity feedbacks (OTA DFBs); power amplifiers (PAs);