Sparsifying Dictionary Learning for Beamspace Channel Representation and Estimation in Millimeter-Wave Massive MIMO

Millimeter-wave (mmWave) massive multiple-input-multiple-output (mMIMO) is reported as a key enabler in fifth-generation communication and beyond. It is customary to use a lens antenna array to transform a mmWave mMIMO channel into a beamspace where the channel exhibits sparsity. This beamspace tran...

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Veröffentlicht in:	IEEE access 2023-01, Vol.11, p.1-1
Hauptverfasser:	Aygul, Mehmet Ali, Nazzal, Mahmoud, Arslan, Huseyin
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna arrays Beamspace channel Channel estimation channel representation Dictionaries dictionary learning Discrete Fourier transforms Fourier transforms Leakage lens antenna array Lens antennas Lenses massive MIMO Millimeter wave communication Millimeter waves millimeter-wave MIMO communication Precoding Radio frequency Representations Sparsity
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