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cs.IT2025
Enhancing Channel Estimation in RIS-aided Systems via Observation Matrix Design
Zijian Zhang, Mingyao Cui
Reconfigurable intelligent surfaces (RISs) have emerged as a promising technology for enhancing wireless communications through dense antenna arrays. Accurate channel estimation is…
cs.IT2025★ 2 cited
Observation Matrix Design for Densifying MIMO Channel Estimation via 2D Ice Filling
Zijian Zhang, Mingyao Cui
In recent years, densifying multiple-input multiple-output (MIMO) has attracted much attention from the communication community. Thanks to the subwavelength antenna spacing, the st…