Semi-Blind Channel Estimation and Data Detection for Multi-Cell Massive MIMO Systems on Time-Varying Channels

We study the problem of semi-blind channel estimation and symbol detection in the uplink of multi-cell massive MIMO (multi-input multi-output) systems with spatially correlated time-varying channels. An algorithm based on expectation propagation (EP) is developed to iteratively approximate the joint...

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Veröffentlicht in:	IEEE access 2021, Vol.9, p.161709-161722
Hauptverfasser:	Naraghi-Pour, Mort, Rashid, Mohammed, Vargas-Rosales, Cesar
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Antenna arrays Channel estimation Channels Contamination Correlation expectation propagation Kalman filter Kalman filters Kalman smoother Massive MIMO MIMO communication semi-blind channel estimation spatial correlation symbol detection Symbols time-varying channel Time-varying channels
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