Designing a closed loop system to achieve real-time evaluation and manipulation of state anxiety while walking in virtual reality. - Siwen Wang; Ryu Okubo; Gekai Liao; Conrad Ku; Richard B. Sowers; Manuel E. Hernandez (NER, 2021)

Online classifier of AMICA model to evaluate state anxiety while standing in virtual reality. - Gekai Liao; Siwen Wang; Zijing Wei; Bohan Liu; Ryu Okubo; Manuel E. Hernandez (EMBC, 2022)

Hands-Free Physical Human-Robot Interaction and Testing for Navigating a Virtual Ballbot. - Seung Yun Song; Nadja Marin; Chenzhang Xiao; Ryu Okubo; Joao Ramos; Elizabeth T. Hsiao-Wecksler (RO-MAN, 2023)

Extended-Range Two-way Radar Backscatter Communication with Low-Power IoT Tags. - Jizheng He; Mingyue Tang; Ryu Okubo; Dhruv Panchmia; Elahe Soltanaghai (MobiCom, 2024)

Integrated Two-way Radar Backscatter Communication and Sensing with Low-power IoT Tags. - Ryu Okubo; Luke Jacobs; Jinhua Wang 007; Steven M. Bowers; Elahe Soltanaghai (SIGCOMM, 2024)