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Mahdi Boloursaz Mashhadi;Deniz Gunduz;. (2021). Pruning the Pilots: Deep Learning-Based Pilot Design and Channel Estimation for MIMO-OFDM Systems . IEEE Transactions on Wireless Communications, (), –. doi:10.1109/twc.2021.3073309 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research