Mitigating the Impact of Channel Aging in Cell-Free MIMO Systems Using a Channel Predictor Based on Extended Kalman Filter

Several previous works have pointed out that the channel aging effect may severely degrade the performance of wireless systems. This effect may be more pronounced in cell-free networks due to two main reasons. First, designing centralized precoders for cell-free (CF) systems requires the exchange of...

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Vydané v:	IEEE transactions on vehicular technology Ročník 74; číslo 6; s. 8544 - 8560
Hlavní autori:	Paiva, A. Regilane L., Freitas, Walter C., Antonioli, Roberto P., Silva, Yuri C. B., Fodor, Gabor
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	New York IEEE 01.06.2025 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:	Aging Autoregressive processes cell-free Central processing units channel aging Clustering Correlation CPUs Delays Extended Kalman filter Impact analysis Information systems Kalman filters Millimeter wave communication MIMO communication non-isotropic scattering Precoding Predictive models Rayleigh channels Symbols
ISSN:	0018-9545, 1939-9359, 1939-9359
On-line prístup:	Získať plný text
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