Hojin Lee

School of Computer Science and Engineering, Seoul National University
San 56-1, Shillim-dong, Kwanak-gu
Seoul 151-742, Korea

+82 2 876 7170 (voice)
+82 2 876 7170 (fax.)
lumiere@mmlab.snu.ac.kr


s   I'm a Ph.D. student at Multimedia & Mobile Communications Lab., School of Computer Science and Engineering, Seoul National University. I received BS degree from School of Computer Science and Engineering, Seoul National University in 2003. My faculty advisors are Prof. Yanghee Choi and Prof. Taekyoung Kwon.

Research Area

  • Routing Protocols in Vehicular Ad hoc Networks (VANETs)
  • Throughput Enhancement in Wireless LANs (WLANs)
  • Multicast Broadcast Service (MBS) in IEEE 802.16e
  • Throughput Enhancement in Mesh Networks
  • Tag Collision Arbitration in RFID
  • Energy Efficient MAC in Wireless Sensor Networks
  • Multicast in the Future Internet

 

Publications

 

International Journal

 

1.      Hojin Lee, Ted Taekyoung Kwon, Yi Yung, Nakjung Choi, David H.C. Du, Yongrok Kim, Yanghee Choi, Optimal Forwarding in Heterogeneous Delay-Tolerant Networks: A Stochastic Control Approach, submitted for publication.

2.      Jaecheol Kim, Jihoon Lee, Hojin Lee, Taekyoung Kwon, Yanghee Choi, A Network Selection Scheme for Multicast Applications in Wireless Network Convergence, Wireless Communications and Mobile Computing, Published online, October 2010.

3.      Sangheon Pack, Hojin Lee, "Call Setup Latency Analysis in SIP-based Voice over WLANs," IEEE Communication Letters (CL), Vol. 12, No. 2, February 2008.

4.      Yongsub Nam, Taekyoung Kwon, Hojin Lee, Hakyung Jung, Yanghee Choi, "Guaranteeing the Network Lifetime in Wireless Sensor Networks: A MAC Layer Approach, " Elsevier Journal of Computer Communications (COMCOM), Vol. 30, No. 13, pp. 2532–2545, September 2007.

 

International Conference

 

1.      Hojin Lee, Bokgyun Jeon, Soyoung Park, Taekyoung Kwon, Yanghee Choi, "An Efficient Multicasting Architecture for Context-Aware Messaging Services in the Future Internet," IEEE ICACT 2008, February 2008.

2.      Youndo Lee, Hojin Lee, Nakjung Choi, Taekyoung Kwon, Yanghee Choi, "Macro-level and Micro-level Routing (MMR) for Urban Vehicular Ad Hoc Networks," IEEE Globecom 2007, November 2007.

3.      Jiho Ryu, Hojin Lee, Yongho Seok, Taekyoung Kwon, Yanghee Choi, "A Hybrid Query Tree Protocol for Tag Collision Arbitration in RFID Systems," IEEE ICC 2007, January 2007.

4.      Hojin Lee, Youndo Lee, Taekyoung Kwon, Yanghee Choi, "Virtual Vertex Routing (VVR) for Course-Based Vehicular Ad Hoc Networks," IEEE WCNC 2007, March 2007.

5.      Hojin Lee, Jaeyoung Choi, Taekyoung Kwon, Yanghee Choi, "Scheduling-based Coordination Function (SCF) in WLANs for High Throughput," IEEE VTC 2006 fall, September 2006.

6.      Yongsub Nam, Hojin Lee, Hakyung Jung, Taekyoung Kwon, Yanghee Choi, "An Adaptive MAC (A-MAC) Protocol Guaranteeing Network Lifetime for Wireless Sensor Networks," EW  2006, April 2006.

 

Domestic Journal

 

1.      Jiho Ryu, Hojin Lee, Yongho Seok, Taekyoung Kwon, Yanghee Choi, "A Hybrid Approach to Arbitrate Tag Collisions in RFID Systems," Journal of KISS, Vol. 34, No. 6, December 2007.

 

Domestic Conference

 

1.      Youngbin Im, Jiho Ryu, Hojin Lee, Ted Taekyoung Kwon, Yanghee Choi, A Study on Resource Allocation in Heterogeneous Wireless Networks, KICS Winter Conference 11, YongPyong, Korea, February 2011.

2.      Jiho Ryu, Youngbin Im, Hojin Lee, Taekyoung Kwon, Yanghee Choi, MCM: Multiple Connection Management for Exploiting Heterogeneous Wireless Networks, NCS 10, Pyeongchange, Korea, December 2010.

3.      Soyoung Park, Hojin Lee, Bokgyun Jeon, Hoongyu Choi, Taekyouong Kwon, Yanghee Choi, Proximity-Aware Indirection Multicast for the Future Internet, NCS 08, December 2008.

4.      Soyoung Park, Hojin Lee, Taekyoung Kwon, Yanghee Choi, Next-hop Selection in Chord for Low Lookup Latency Based on RTT Information, KICS Summer Conference, Jeju, Korea, July 2008.

5.      Bokgyun Jeon, Hojin Lee, Jihoon Lee, Taekyoung Kwon, Yanghee Choi, "An Efficient MBS Data Scheduling Scheme in IEEE 802.16e Networks," KICS Fall Conference 07, Seoul, Korea, November 2007.

6.      Youndo Lee, Hojin Lee, Taekyoung Kwon, Yanghee Choi, Jooyoung Son, "VBV: Course-based Vertex-By-Vertex Routing Protocol for MANET at Sea," KICS Summer Conference 06, Seoul, Korea, July 2006.

7.      Hojin Lee, Jeongkeun Lee, Nakjung Choi, Taekyoung Kwon, Yanghee Choi, Jaewook Shin, and Aesoon Park, "Sharp Performance Degradation in Multihop Wireless Networks with DATA and VOICE traffic" KICS Fall Conference 04, Daejeon, Korea, November 2004.

8.      Hojin Lee, Jeongkeun Lee, Yanghee Choi, Jihyeok Choi and Eungbae Kim, "The Effect of Competing Nodes on Routing Path Selection in IEEE 802.11 Ad Hoc Wireless Networks," KISS Fall Conference 03, Seoul, Korea, October 2003.

 

Resume

  • Summary
    • A Ph.D. Student at Seoul National University
    • Birth: August 15th,  1979
    • Given name: Hojin (ȣ in Korean)
    • Family name: Lee ( in Korean)
  • Career  and Honors
    • The prize for excellence (the 2nd place) in the second KARUS/USN Research Paper Contest

w  Jiho Ryu, Yongho Seok, Hojin Lee, Taekyoung Kwon and Yanghee Choi, A Hybrid Query Tree Protocol for Tag Collision Arbitration in RFID System, October 2006

    • Visiting researcher in Network Modeling Lab., Simon Fraser University, Canada (April 2005 – August 2005)

w  Advisor: Qianping Gu

    • Visiting researcher in Computer Networking and Multimedia Research Group., University of Minnesota, USA (February 2009 – September 2009)

w  Advisor: David Du

    • B.S. in School of Computer Science and Engineering, Seoul National University (March 1998 – February 2003)
    • Reviewer

w  Elsevier Journal of Computer Communications, Special Issue on Mobility Protocols for ITS/VANET

w  Inderscience International Journal of Ad Hoc and Ubiquitous Computing (IJAHUC)

w  IEEE SECON 2010, IEEE Globecom 2007, EW 2007, IEEE WCNC 2007, IEEE/Create-Net/ICST COMSWARE 2007, IEEE ISWCS 2006, IEEE ICON 2006, IEEE AINA 2006, IEEE VTC 2006 fall, IEEE ICC 2005

    • Lecturer on the Invited NS-2 Expert Seminar: at Cheju National University (January 20th, 2005), at Chunagnam National University (March 24th, 2004)
    • TA: Colloquium on Advanced Computer Engineering (Graduate, Fall Semester, 2005)
    • RA: From 2003 - Present, in Multimedia & Mobile Communications Laboratory at Seoul National University
  • Project Experiences
    • Fundamental Research on In-network Caching and Routing for Named-data Networking (sponsored by KCA, 2012 – present)
    • Future Internet Network Model Development (sponsored by KRCF, 2008 – 2011)
    • Fundamental Technologies for the Future Internet (sponsored by MIC, 2007 – 2010)
    • WiMAX Multicast Broadcast Service (MBS) Implementation (sponsored by POSDATA, 2007 – 2008)
    • Performance Evaluation of Enhanced TCP Solutions over WiBro (sponsored by LANS, 2006 – 2007)
    • WiBro Multicast Broadcast Service (MBS) (sponsored by POSDATA, 2006 – 2007)
    • MANET at Sea with Considering QoS (sponsored by KOSEF, 2005 - 2007)
    • Study on Multimedia Wireless Internet Technology (sponsored by KISTEP, 2003 - 2005)
    • Real Time Data Monitoring in Wireless Sensor Networks (sponsored by Korea Telecom (KT), 2004)
    • MAC and Routing Protocols Based on Cross-layer Approach in Ad Hoc Wireless Network (sponsored by ETRI, 2004)
    • Real Time Fault-tolerant Distributed Computing System (sponsored by ADD, 2003)
    • Study on Routing Problem in MANET based on 802.11 MAC (sponsored by ETRI, 2003)
  • Computer Skill
    • OS: MS Windows (NT, 95, 98, 2000, XP, 7), MS-DOS, UNIX, Linux (RedHat, Fedora, Ubunto)
    • Programming Language: C/C++, STL, DirectX, Java, Swing, Tcl, OTcl, Perl
    • Tools: NS-2 (Expert), QualNet (Intermediate), SUMO (Intermediate), MatLab (Intermediate)

 


Last Modified: March 30th, 2012