Mobility Support for Networks on Trains Using Commercial Off-the-shelf Routers. - Sandy H. Hsiao; Hong-Rong Chang; Yu-Han Lu; Chi-Yu Li 001 (APNOMS, 2019)

Ghost calls from operational 4G call systems: IMS vulnerability, call DoS attack, and countermeasure. - Yu-Han Lu; Chi-Yu Li 001; Yao-Yu Li; Sandy Hsin-Yu Hsiao; Tian Xie 001; Guan-Hua Tu; Wei-Xun Chen (MobiCom, 2020)

Insecurity of Operational IMS Call Systems: Vulnerabilities, Attacks, and Countermeasures. - Yu-Han Lu; Sandy Hsin-Yu Hsiao; Chi-Yu Li 001; Yi-Chen Hsieh; Po-Yi Chou; Yao-Yu Li; Tian Xie 001; Guan-Hua Tu (IEEE/ACM Trans. Netw., 2023)