3 papers
eess.SP2026
Vertical Sub-THz Channel Characterization: Sounder Implementation and Initial Measurements
Ali Al-Ameri, Xuesong Cai, Juan Sanchez +4
We present a measurement-based characterization of indoor vertical ceiling-to-ground sub-THz channels in the 136-144 GHz band, motivated by ceiling-mounted radio-unit deployments f…
eess.SP2025
Low-Complexity Optimization of Antenna Switching Schemes for Dynamic Channel Sounding
Juan Sanchez, Xuesong Cai, Ali Al-Ameri +1
Understanding wireless channels is crucial for the design of wireless systems. For mobile communication, sounders and antenna arrays with short measurement times are required to si…
eess.SP2023
Vision-Based Reconfigurable Intelligent Surface Beam Tracking for mmWave Communications
Juan Sanchez, Xuesong Cai, Fredrik Tufvesson
Reconfigurable intelligent surfaces have emerged as a technology with the potential to enhance wireless communication performance for 5G and beyond. However, the technology comes w…