3 papers
cs.IT2025
Revisiting XL-MIMO Channel Estimation: When Dual-Wideband Effects Meet Near Field
Anzheng Tang, Jun-Bo Wang, Yijin Pan +4
The deployment of extremely large antenna arrays (ELAAs) in extremely large-scale multiple-input multiple-output (XL-MIMO) systems introduces significant near-field effects, such a…
cs.IT2025
Channel Estimation for XL-MIMO Systems with Decentralized Baseband Processing: Integrating Local Reconstruction with Global Refinement
Anzheng Tang, Jun-Bo Wang, Yijin Pan +6
In this paper, we investigate the channel estimation problem for extremely large-scale multiple-input multiple-output (XL-MIMO) systems with a hybrid analog-digital architecture, i…
cs.IT2024
Spatially Non-Stationary XL-MIMO Channel Estimation: A Three-Layer Generalized Approximate Message Passing Method
Anzheng Tang, Jun-Bo Wang, Yijin Pan +4
In this paper, channel estimation problem for extremely large-scale multi-input multi-output (XL-MIMO) systems is investigated with the considerations of the spherical wavefront ef…