An improved koch snowflake fractal multiband antenna. - Zhen Yu; Jianguo Yu; Xiaoying Ran (PIMRC, 2017)

A Wearable Self-Grounding Slit Antenna for ISM/4G/5G/Bluetooth/WLAN Applications. - Zhen Yu; Ruirong Niu; Guodong Zhang; Runzhi Sun; Ziheng Lin; Yao Li; Xiaoying Ran (IEEE Access, 2023)