Spectral Efficiency Analysis of Hybrid Relay-Reflecting Intelligent Surface-Assisted Cell-Free Massive MIMO Systems

A cell-free (CF) massive multiple-input-multiple-output (mMIMO) system can provide uniform spectral efficiency (SE) with simple signal processing. On the other hand, a recently introduced technology called hybrid relay-reflecting intelligent surface (HR-RIS) can customize the physical propagation en...

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Veröffentlicht in:	IEEE transactions on wireless communications 2023-05, Vol.22 (5), p.1-1
Hauptverfasser:	Nguyen, Nhan Thanh, Nguyen, Van-Dinh, Van Nguyen, Hieu, Ngo, Hien Quoc, Chatzinotas, Symeon, Juntti, Markku
Format:	Artikel
Sprache:	eng
Schlagworte:	Array signal processing Cell-free massive MIMO Channel estimation Channels Closed-form solutions Downlink Downlinking hybrid relay-reflecting intelligent surface massive MIMO Radio waves reconfigurable intelligent surface Relay Relays spectral efficiency Systems design Uplink Uplinking Wave propagation Wireless communication Wireless communications
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