Improving Spectrum Sensing and Reporting via Multi-Antenna in Cognitive Radio Networks. - Muhammad Sajjad Khan; Mi Ji Kim; Junsu Kim; Eung Hyuk Lee; Su Min Kim (ICUFN, 2019)

Physical Layer Security in Multi-Tag Ambient Backscatter Communications - Jamming vs. Cooperation. - Ji Yoon Han; Mi Ji Kim; Junsu Kim; Su Min Kim (WCNC, 2020)