Compressed CSI Feedback With Learned Measurement Matrix for mmWave Massive MIMO

11 Jul 2020 Wu Pengxia Liu Zichuan Cheng Julian

A major challenge to implement the compressed sensing method for channel state information (CSI) acquisition lies in the design of a well-performed measurement matrix to reduce the dimension of sparse channel vectors. The widely adopted randomized measurement matrices drawn from Gaussian or Bernoulli distribution are not optimal... (read more)

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  • INFORMATION THEORY
  • INFORMATION THEORY