Joint Channel and Clipping Level Estimation for OFDM in IoT-based Networks.
IEEE Transactions on Signal Processing(2017)
摘要
We consider scenarios such as IoT-based 5G or IoT-based machine type communication, where a low-cost low-power transmitter communicates with a high-quality receiver. Then, digital predistortion of the nonlinear power amplifier may be too expensive. In order to investigate the feasibility of receiver-side compensation of the transmitter RF impairments, we study joint maximum-likelihood estimation o...
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关键词
Channel estimation,Transmitters,Receivers,Peak to average power ratio,Discrete Fourier transforms,Frequency-domain analysis
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