- M.S. Thesis: Fast Access Scheme Based on Channel Monitoring/Assignment for IMT-2000 Satellite Communication System, 2002.
- Ph.D. Dissertation: Seamless Vertical Handover Schemes Based on Pre-registration and Pre-authentication in Heterogeneous Wireless Networks, 2007.
- Hyun-Ho Choi and Dong-Ho Cho, "WiMAX: Standards and Security, Part I Standard: Mobility Support for IEEE 802.16e System," pp. 103-128, CRC Press. Sept. 7, 2007, (ISBN: 9781420045239)