Sub-Connected Structure Hybrid Precoding for Millimeter-Wave NOMA Communications

Sub-Connected Structure Hybrid Precoding for Millimeter-Wave NOMA Communications

Sub-connected structure hybrid beamforming (SCS-HBF) exploiting both successful interference cancellation and zero-forcing (ZF) is tortured by frail performance when deployed for millimeter-Wave non-orthogonal multiple access (NOMA) system in a complete non-line of sight (NLOS) environment. Therefor...

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Veröffentlicht in:IEEE wireless communications letters 2021-06, Vol.10 (6), p.1334-1338
Hauptverfasser: Badrudeen, Abdulahi Abiodun, Leow, Chee Yen, Won, SeungHwan
Format: Artikel
Sprache:eng
Schlagworte:
and sum-rate
Antennas
Array signal processing
Beamforming
Hybrid beammforming
Line of sight
Millimeter waves
mmWave
NOMA
Nonorthogonal multiple access
Optimization
Radio frequency
RF chains’ diversity
Signal to noise ratio
Silicon carbide
sub-connected structure
Wireless communication
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Beschreibung
Zusammenfassung:Sub-connected structure hybrid beamforming (SCS-HBF) exploiting both successful interference cancellation and zero-forcing (ZF) is tortured by frail performance when deployed for millimeter-Wave non-orthogonal multiple access (NOMA) system in a complete non-line of sight (NLOS) environment. Therefore, this letter articulates a sum-rate maximization for SCS-HBF-NOMA system built based on unique phased-ZF and dynamic power optimization schemes robust for both line of sight and NLOS environments. Radio frequency chain's diversity impact on the proposed scheme's performance is also analyzed.
ISSN:2162-2337
2162-2345
DOI:10.1109/LWC.2021.3066218