Kawade, A., Chujo, W., & Kobayashi, K. (2022). Enhancing Wide-Angle Physical Layer Security for Smartphone’s Low-Luminance WDM/SDM Screen to Camera Uplink Communication. In (pp. 64–65). Osaka, Japan: IEEE. http://doi.org/10.1109/GCCE56475.2022.10014148 (Original work published 2025)

Kawade, A., Chujo, W., & Kobayashi, K. (2022). Smartphone screen to camera uplink communication with enhanced physical layer security by low-luminance space division multiplexing. In 2022 IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS) (pp. 176–180).