Nakjung Choi received the BS and PhD degrees from the School of Computer Science and Engineering, Seoul National University, in 2002 and 2009, respectively. He is a Research Department Head of End-to-end Networked Systems and also Distinguished Member of Technical Staff with Nokia Bell Labs, Murray Hill, New Jersey, where he has worked for Bell Labs since April 2010. Also, he has received several awards such as Best Paper Awards and Awards of Excellence (formerly Bell Labs, Alcatel-Lucent). His research focuses on SDN/NFV/Cloud, network slicing orchestration, IoT, especially B5G/6G and service automation.


Ph.d., School of Computer Science and Engineering, Seoul National University, August 2009

Professional activites

AsiaFI ICN WG Co-chair

JTC1/SC39 (Sustainable IT) Korea Committee Member

Selected articles and publications

Nakjung Choi, Jeongran Lee, Jaehyun Hwang, "Scalable and Energy Efficient WiFi Management," accepted for IEEE International Conference on Consumer Electronics (ICCE), Las Vegas, USA, January 2014.

Jaime Llorca, Antonia Tulino, Kyle C Guan, Jairo O Esteban, Matteo Varvello, Nakjung Choi, and Dan Kilper, "Dynamic In-Network Caching for Energy Efficient Content Delivery," IEEE INFOCOM 2013 (mini-conference), Turin, Italy, July 2013.

Nakjung Choi, Kyle C. Guan, Dan Kilper, and Gary Atkinson, "In-Network Caching Effect on Optimal Energy Consumption in Content-Centric Networking," IEEE ICC 2012, Ottawa, Canada, June 2012.


Youjin Kim, Youngsik Jung, Jaedu Huh, Nakjung Choi, Choongho Lee, Soyoung Park, Taekyoung Kwon and Yanghee Choi,"Method of Transmission and Reception Data Frame of Supporting Video MAC Protocol and System," Korea Patent 10-0932125, December 8, 2009.

Nakjung Choi, Eunkyoung Paik, Minji Nam, Jiho Ryu, Sejun Park, Byungsoo Chang and Yanghee Choi, "Peer mobile router authentication method, and multiple peer care-of addresses registration method, and mobile router failover method for multi-homed mobile networks," Korea Patent 10-0886081-0000, February 20, 2009.

Nakjung Choi, Chulhyun Park, Jiho Ryu, Taekyoung Kwon, Yanghee Choi and Eunkyoung Paik,"Multiple Network Interface Apparatus and Method, and Traffic Control Option Information Transmission Method and Network Interface Selection Method in Its," Korea Patent 10-0840463-0000, June 16, 2008.

Honors & Awards

Nakjung Choi, Jiho Ryu, Yongho Seok, Yanghee Choi, and Taekyoung Kwon, "Unicast-Friendly Multicast in IEEE 802.11 Wireless LANs," one of three best paper awards, IEEE CCNC 2006.

Haeyong Kim, Yongho Seok, Nakjung Choi, Yanghee Choi and Taekyoung Kwon, "Optimal Multi-sink Positioning and Energy-efficient Routing in Wireless Sensor Networks," one of two best paper awards, ICOIN 2005.

The Prize for Encouragement at the 12th Samsung Humantech Paper Contest
 - Yongho Seok and Nakjung Choi, "Temporal Fairness Guarantee in Multi-rate Wireless LANs for Per-Flow Protection," the 12th Samsung Humantech Paper Contest, February 2006.