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eess.SY2025
Blockage-Aware Multi-RIS Sensing and Optimization for mmWave Smart Radio Environments
Sehyun Ryu, Hyun Jong Yang
Millimeter-wave (mmWave) multi-user MIMO systems are highly vulnerable to blockage, and reconfigurable intelligent surfaces (RIS) have been proposed as a remedy. However, RIS links…
eess.SY2025
Standards-Compliant DM-RS Allocation via Temporal Channel Prediction for Massive MIMO Systems
Sehyun Ryu, Hyun Jong Yang
Reducing feedback overhead in beyond 5G networks is a critical challenge, as the growing number of antennas in modern massive MIMO systems substantially increases the channel state…