Joint Iterative Delay-Phase Precoding for THz UM-MIMO with Finite-Resolution and Limited-Range True Time Delay. - Akram Najjar; Mohammed El-Absi; Thomas Kaiser 001 (ICC, 2023)

Phase-Based Breathing Rate Monitoring in Patient Rooms Using 6G Terahertz Technology. - Simon Häger; Akram Najjar; Caner Bektas; Dien Lessy; Mohammed El-Absi; Fawad Sheikh; Stefan Boecker; Thomas Kaiser 001; Christian Wietfeld (CoRR, 2023)

Delta-Delay-Phase Precoding Based Wideband Near-Field Beamfocusing. - Akram Najjar; Mohammed El-Absi; Thomas Kaiser 001 (WCNC, 2024)

Hybrid Delay-Phase Precoding in Wideband UM-MIMO Systems Under True Time Delay and Phase Shifter Hardware Limitations. - Akram Najjar; Mohammed El-Absi; Thomas Kaiser 001 (IEEE Trans. Wirel. Commun., 2024)

Sub-Millidegree Angle Estimation Using Hierarchical Multi-Grid OMP in THz Band UM-MIMO Systems. - Akram Najjar; Mohammed El-Absi; Thomas Kaiser 001 (WCNC, 2025)

Hierarchical Multi-Grid OMP for Ultra-Resolution Channel Estimation in THz UM-MIMO Systems. - Akram Najjar; Mohammed El-Absi; Thomas Kaiser 001 (IEEE Access, 2025)