Information-Theoretic Pilot Design for Downlink Channel Estimation in FDD Massive MIMO Systems

Massive multiple-input multiple-output (MIMO) is one of the most promising techniques for next generation wireless communications due to its superior capability to provide high spectrum and energy efficiency. Considering the very large number of antennas employed at the base station, however, the pi...

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Veröffentlicht in:	IEEE transactions on signal processing 2019-05, Vol.67 (9), p.2334-2346
Hauptverfasser:	Yujie Gu, Zhang, Yimin D.
Format:	Artikel
Sprache:	eng
Schlagworte:	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
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