2 papers
eess.SP2026
Active RIS-Assisted MIMO System for Vital Signs Extraction: ISAC Modeling, Deep Learning, and Prototype Measurements
De-Ming Chian, Chao-Kai Wen, Feng-Ji Chen +2
We present the RIS-VSign system, an active reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) f…
cs.IT2025
Experimental Evaluation of Multiple Active RISs for 5G MIMO Commercial Networks
Feng-Ji Chen, Chao-Kai Wen, De-Ming Chian
While numerous experimental studies have demonstrated the feasibility of reconfigurable intelligent surface (RIS) technology, most have primarily focused on extending coverage. In…