Research on sub-terahertz path loss measurement and modeling for 6G integrated sensing and communication

To address the inadequacy of traditional path loss models in accurately describing and characterizing sensing channels, the research on sub-terahertz path loss measurement and modeling for 6G integrated sensing and communication was conducted. A sensing channel path loss model incorporating the echo characteristics of indoor materials was introduced based on radar cross-section theory and an angle-distance joint path loss model for sensing channels was constructed. Using a sub-terahertz channel measurement plat-form based on a vector network analyzer, the fading characteristics of sensing channels at different angles and distances were examined. The measurement results indicate that the angle-distance joint path loss model can accurately capture the variation patterns of sensing channel path loss with respect to distance and angular blockage factors.