My research focuses on exploring next-generation wireless sensing technologies that enable non-invasive perception through the integration of Wi-Fi, millimeter-wave, and multimodal signals. By combining advanced deep learning with privacy-preserving frameworks, this work aims to advance applications in smart healthcare, elderly care, and intelligent environments. This research not only lays the foundational groundwork for AI-driven sensing technologies but also addresses real-world societal needs, contributing to the development of safer, smarter, and more human-centered technological systems.