Hybrid Beamforming Design for Downlink MU-MIMO-OFDM Millimeter-Wave Systems. - Sepideh Gherekhloo; Khaled Ardah; Martin Haardt (SAM, 2020)

Tensor-Based Channel Estimation and Reflection Design for RIS-Aided Millimeter-Wave MIMO Communication Systems. - Sepideh Gherekhloo; Khaled Ardah; André L. F. de Almeida; Martin Haardt (ACSCC, 2021)

Fully Digital and Hybrid Beamforming Design for Millimeter-Wave MIMO-OFDM Two-Way Relaying Systems. - Sepideh Gherekhloo; Khaled Ardah; Martin Haardt (SSP, 2021)

TRICE: A Channel Estimation Framework for RIS-Aided Millimeter-Wave MIMO Systems. - Khaled Ardah; Sepideh Gherekhloo; André L. F. de Almeida; Martin Haardt (IEEE Signal Process. Lett., 2021)

Double-RIS Versus Single-RIS Aided Systems: Tensor-Based Mimo Channel Estimation and Design Perspectives. - Khaled Ardah; Sepideh Gherekhloo; André L. F. de Almeida; Martin Haardt (ICASSP, 2022)

Nested PARAFAC Tensor-Based Channel Estimation Method for Double RIS-Aided MIMO Communication Systems. - Sepideh Gherekhloo; Khaled Ardah; André Lima Férrer de Almeida; Marjan Maleki; Martin Haardt (EUSIPCO, 2023)

An Efficient Channel Training Protocol for Channel Estimation in Double RIS-AIDED MIMO Systems. - Sepideh Gherekhloo; Khaled Ardah; Gerald C. Nwalozie; André L. F. de Almeida; Martin Haardt (EUSIPCO, 2024)

SALSA: A Sequential Alternating Least Squares Approximation Method for MIMO Channel Estimation. - Sepideh Gherekhloo; Khaled Ardah; Martin Haardt (IEEE Trans. Veh. Technol., 2024)