Pilot Assignment for Joint Uplink-Downlink Spectral Efficiency Enhancement in Massive MIMO Systems With Spatial Correlation

This paper proposes a flexible pilot assignment method to jointly optimize the uplink and downlink data transmission in multi-cell Massive multiple input multiple output (MIMO) systems with correlated Rayleigh fading channels. By utilizing a closed-form expression of the ergodic spectral efficiency...

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Veröffentlicht in:	IEEE transactions on vehicular technology Jg. 70; H. 8; S. 8292 - 8297
Hauptverfasser:	Nguyen, Tien Hoa, Chien, Trinh Van, Ngo, Hien Quoc, Tran, Xuan Nam, Bjornson, Emil
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	New York IEEE 01.08.2021 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:	Algorithms Channel estimation Closed-form expression Combinatorial optimization Combinatorial optimization problems Contamination Correlated Rayleigh fading channels Data communication Data transmission Downlink Downlinking Efficiency Ergodic spectral efficiencies Fading channels Heuristic algorithms Interference Massive MIMO Massive multiple-input- multiple-output system (MIMO) max-min fairness optimization MIMO systems Optimization Optimization problems pilot assignment Power control Rayleigh fading Sequential algorithm Signal to noise ratio Spectral efficiencies Uplink max-min fairness optimization pilot assignment Channel estimation Interference Massive MIMO Downlink Data communication Uplink Contamination Signal to noise ratio
ISSN:	0018-9545, 1939-9359, 1939-9359
Online-Zugang:	Volltext
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