Professor

Major Research Interests

• 5G/6G Mobile Wireless Networks and Architectures

• Machine-Learning and Deep Learning based Communication and Networking Algorithms

• Multi-user MIMO, Massive MIMO, Hybrid Beamforming

• mmWave, Tera-Hz Communications 

• Wireless Power Transfer and Non-Orthogonal Multiple Access (NOMA)

• Full/Flexible Duplexing Control

• Large Deviation Theory, Risk Management Theory, Extreme Value Theory

• Stochastic Geometry Analysis

• Distributed Optimal Algorithm Design for Self-Organizing Networks

• Network Cache Management, Distributed Caching, and Offloading over Mobile Edge Networks

• Network Information Theory

• Statistical Delay-Bounded QoS Provisioning for 5G Mobile Networks

• Finite Block-length Coding for URLLC Over 5G Mobile Networks

Experiences

Professor / Hallym University, (2024~Current)

   AI based 6G system design  and optimal control  

   6G standards

   AI medical system design

Associate Professor / Hallym University (~2023)

   AI based 6G system design

   AI based duplexing and scheduling control

   AI based heterogeneous cellular system control 

   5G standards

Assistant Professor / Gyeonggi University of Science and Technology 

   AI based 6G system design

   AI based duplexing and scheduling control

   Non-orthogonal multiple access and energy harvesting 

   5G standards

Principal Engineer / Samsung Electronics (Samsung Advanced Institute of Science and Technology, Samsung Electronics DMC R&D Center)

   System design with full-duplexing

   Robust physical-layer network coding 

   Interference control: interference alignment, rate-split, advanced ABS, interference neutralization

   Cognitive radio design: dynamic coordinated silencing

   LTE/LTE-A standards

Postdoctoral Researcher / Purdue University (IN, USA),  University of California at Irvine (CA, USA), May. 2005 - Oct. 2007

   Game-theoretic medium access and power allocation control

   Distributed link scheduling and transmission control

   Queue aware optimal scheduler design

   Stochastic network programming

   Large deviation based scheduling control

Research Assistant / Korea University, March. 1998 - Feb. 2005

   Stochastic network control in wireless ad-hoc networks

   Self-similar IP traffic control 

   CORBA-based distributed computing

   All-IP network architecture design

   Multimedia streaming control

Education

Ph.D. in Electronic Engineering, Feb. 2005

   Korea University, Seoul, Republic of Korea

   Dissertation: Stochastic End-to-End QoS Optimization and Guarantee in Mobile Ad-Hoc Networks

   Advisor: Prof. Sunshin An

M.S. in Electronic Engineering, Feb. 2000

   Korea University, Seoul, Republic of Korea

   Dissertation: Design of Adaptive Bus Model Supporting Distributed Multimedia Services

   Advisor: Prof. Sunshin An

B.S. in Electronic Engineering, Feb. 1998

   Korea University, Seoul, Republic of Korea

Gongju National University High School

   Gongju National University High School, Gongju, Chungcheongnam-do, Republic of Korea

Honors and Awards

• Samsung technology award (Bronze) as a co-developer (Samsung Advanced Institute of Technology, Samsung Electronics), Nov. 2013

• Best Paper award (Gold, 1st in communication and networks area) as a first author at Samsung conference 2010 (Samsung Advanced Institute of Technology, Samsung Electronics), Nov. 2010

• Patent award (Bronze) at project team (Samsung Advanced Institute of Technology, Samsung Electronics), Jan. 2010

Membership

• IEEE Senior Member

• KICS Member

• KIISE Member