Design of Multiple U-Shaped Slot Microstrip Patch Antenna in 5 GHz Band WLAN. - Jeong-Min Ju; Gyey-Teak Jeong; Joong-Han Yoon; Cheol-Soon Kim; Hyung-Sup Kim; Kyung-Sup Kwak (IEICE Trans. Commun., 2005)

Energy efficiency of ultra-dense small-cell downlink networks with adaptive cell breathing. - Hu Jin; Xuelian Wu; Hyung-Sup Kim; Bang Chul Jung (IET Commun., 2018)