Information-Theoretic Pilot Design for Downlink Channel Estimation in FDD Massive MIMO Systems - Yujie Gu; Zhang, Yimin D. (IEEE transactions on signal processing, 2019)
Keywords: Antennas; Base stations; Channel estimation; Computer simulation; Covariance matrices; Covariance matrix; Downlink; frequency division duplex (FDD); Frequency division duplexing; Gaussian distribution; Gaussian mixture distribution; Grassmannian manifold; Information theory; information-theoretic metric; Manifolds (mathematics); massive multiple-input multiple-output (MIMO); MIMO (control systems); MIMO communication; pilot design; Symbols; Training; Wireless communications