Vita

• 2012.09 ~ present: Professor, Department of Computer Science & Engineering, Hanyang University, Ansan, Korea
• 2009.09 ~ 2012.08: Assistant Professor, Department of Computer Science, Gyeongsang National University, Korea
• 2008.02 ~ 2009.08: Full Time Lecturer, Division of IT, Hansei University, Korea
• 2006.10 ~ 2008.02: Postdoctoral Fellow, Prof. Cioffi`s Group (in STAR Lab.), Stanford University, USA (Advisor: Prof. John M. Cioffi)
• 2006.1 ~ 2006.10: MAC Part Leader, Telecommunication R&D Center, Samsung Electronics
• 2001.9 ~ 2005.12: Senior Engineer, Samsung Advanced Institute of Technology
• 2001.8: Ph.D., Department of Computer Science & Engineering, Hanyang University, Korea (Advisor: Prof. Sung-Han Park)
• 1997.2: M.S., Department of Computer Science & Engineering, Hanyang University, Korea
• 1995.2: B.S., Department of Computer Science & Engineering, Hanyang University, Korea

Experience

• 2012.09 ~ present: Professor, Dept. of Computer Science & Engineering, Hanyang University– Next Generation Communications Systems (5G, VANET)
  • ICBM (IoT, Cloud, Big-Data, and Mobile)
  • IoT Platform
  • Network Security
  • Bio-Communications & New UI/UX

• 2008.03 ~ 2012.08: Assistant Professor, Dept. of Computer Science, Gyeongsang National University
  • Femtocell / Micro base stations systems
  • Network coding
  • Mobile software (applications for iPhone, small-size S/W for mobile devices)

• 2006.10 ~ 2008.02: Postdoctoral Fellow, Dept. of Electrical Engineering, Stanford University
  • Next generation communications systems & networks
  • Cooperative communications

• 2006.1 ~ 2006.10: MAC Part Leader, Telecommunication R&D Center, Samsung Electronics
  • Design radio air interface for the beyond-3G systems
  • Develop 4G trial systems
    • OFDM-MIMO based Outdoor System
    • 1Gbps (Fixed Users), up to 100Mbps (Mobile Users)
  • Design network architecture for the beyond-3G systems
    
• 2001.9 ~ 2005.12: Senior Engineer, Samsung Advanced Institute of Technology
  • Design radio air interface (PHY/MAC layer) for the WiBro system & IEEE 802.16e
  • Design and verify radio air interface for the 4G systems
  • Develop handover algorithm, scheduling, intercell interference management for the 4G systems
  • Develop MAC-PHY cross layer simulator for the performance evaluation of the IEEE 802.16e OFDMA mode
    
• Standardization Activity
  • 2005.3 ~ present: 3GPP LTE RAN1/2, IEEE 802.16j standardization
  • 2004.3 ~ 2005.8: IEEE 802.16e MAC/PHY standardization
  • 2003.3 ~ 2005.8: TTA WiBro MAC/PHY standardization
    
• 2004.3 ~ 2004.6: Visiting Scholar, STAR Lab., Stanford University (Advisor: Prof. John M. Cioffi)
• 1999.11 ~ 2000.3: Visiting Researcher, Bell Lab., Lucent Technologies, Holmdel, NJ
  • Performance evaluation of DOCSIS 1.1 (IEEE 802.16) MAC Layer with OPNET

Research Interest

• Wireless Communication Systems: 5G Wireless Technologies, Vehicular Communications
• ICBM: IoT Platform, IoT Services, IoT Security
• Network Security: Protocol Security, IoT Security
• Bio-Communications: Health Care Device & S/W, New UI/UX with bio information

Patent

• International (US, EU, Japan, China)
  • about 35 filed patents (Subject: Wireless Communications, OFDM Systems, Network Architecture, Cellular Phone, etc)
• Domestic (Korea)
  • more than 10 granted patents