Channel Estimation and Hybrid Architectures for RIS-Assisted Communications. - Jiguang He; Nhan Thanh Nguyen 001; Rafaela Schroeder; Visa Tapio; Joonas Kokkoniemi; Markku J. Juntti (EuCNC/6G Summit, 2021)

Passive RIS vs. Hybrid RIS: A Comparative Study on Channel Estimation. - Rafaela Schroeder; Jiguang He; Markku J. Juntti (VTC Spring, 2021)

Channel Estimation for Hybrid RIS Aided MIMO Communications via Atomic Norm Minimization. - Rafaela Schroeder; Jiguang He; Markku J. Juntti (ICC Workshops, 2022)

Two-Stage Channel Estimation for Hybrid RIS Assisted MIMO Systems. - Rafaela Schroeder; Jiguang He; Glauber Brante; Markku J. Juntti (IEEE Trans. Commun., 2022)

Indoor Positioning with Probabilistic Graphical Models in RIS-Enhanced mmWave MIMO Systems. - Leonardo Terças; Rafaela Schroeder; Jiguang He; Markku J. Juntti (EuCNC/6G Summit, 2024)

Low-Complexity Near-Field Channel Estimation for Hybrid RIS Assisted Systems. - Rafaela Schroeder; Jiguang He; Hamza Djelouat; Markku J. Juntti (SAM, 2024)

Near-Field Channel Estimation for Extremely-Large Single-RF-Chain RIS Systems. - Rafaela Schroeder; Jiguang He; Markku J. Juntti (SPAWC, 2024)