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eess.SP2024
Exploiting Dynamic Sparsity for Near-Field Spatial Non-Stationary XL-MIMO Channel Tracking
Wenkang Xu, An Liu, Min-jian Zhao +2
This work considers a spatial non-stationary channel tracking problem in broadband extremely large-scale multiple-input-multiple-output (XL-MIMO) systems. In the case of spatial no…
eess.SP2024
Subspace Constrained Variational Bayesian Inference for Structured Compressive Sensing with a Dynamic Grid
An Liu, Yufan Zhou, Wenkang Xu
We investigate the problem of recovering a structured sparse signal from a linear observation model with an uncertain dynamic grid in the sensing matrix. The state-of-the-art expec…
eess.SP2024★ 1 cited
Joint Visibility Region Detection and Channel Estimation for XL-MIMO Systems via Alternating MAP
Wenkang Xu, An Liu, Min-jian Zhao
We investigate a joint visibility region (VR) detection and channel estimation problem in extremely large-scale multiple-input-multiple-output (XL-MIMO) systems, where near-field p…