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한밭대학교컴퓨터공학과

HIGHHANBAT

Mobicom

Mobile Computing Lab
Mobicom

About the Lab

The lab conducts research on improving the performance of wireless sensor network and cellular mobile network protocols using reinforcement learning, and works on smartphone app, blockchain, and IoT projects.
Key research areas include:
- Research on energy-efficient protocols using machine learning techniques in wireless sensor networks
- Research on improving the performance of IEEE 802.11 wireless LAN standards (802.11ax, 802.11ah) protocols
- Research on MAC protocols for 5G mobile communication systems
- Research on routing and MAC protocols in wireless mesh networks
- Development of application programs using Bluetooth
- Research on anti-collision MAC protocols for RFID systems

Advisor: Gyung-Ho Hwang

Research Papers

  • Performance Enhancement of CSMA/CA MAC Protocol Based on Reinforcement Learning, Journal of information and communications convergence engineering, 2021.
  • Performance Enhancement of RFID Collision Avoidance Algorithm Using Reinforcement Learning, Journal of the Korean Institute of Communications and Information Sciences, 2020.
  • Distributed reinforcement learning scheme for environmentally adaptive IoT network selection, Electronics Letters, 2020.
  • Exploiting Self-Reserving Spectrum to Reduce Service Dropping Probability in Cognitive Radio Systems. IEICE Trans. on Fundamentals, Apr. 2019
  • Development of a Blockchain-Based e-Voting System Using Homomorphic Encryption, Journal of the Korean Institute of Communications and Information Sciences, 2019.
  • Time Division Medium Access Control Protocol for Improving Transmission Rate in Dense Wireless LAN Areas, Journal of the Korea Institute of Information and Communication Engineering, 2018.
  • Automatic Network Topology Configuration and Remote Fault Diagnosis System, Journal of the Korea Institute of Information and Communication Engineering, 2018.
  • Multi-User OFDMA-based Random Access Protocol for Improving Transmission Rate in Dense Wireless LAN Areas, Journal of the Korean Institute of Communications and Information Sciences, 2017.
  • Development of Real-Time Video Transmission Technology in Wireless Multichannel Multihop Networks, Journal of the Korean Institute of Communications and Information Sciences, 2017.
  • Morphological Analysis Based E-book Sign Language Translation Program, Journal of the Korea Institute of Information and Communication Engineering, 2017.
  • Ad-Hoc Electronic Attendance Verification System Using Ble Beacons, Journal of the Korean Institute of Communications and Information Sciences, 2017.
  • Intergroup Joint Scheduling for Mitigating Asymmetric Uplink Interference in Self-Organizing Virtual Cell Networks, Mobile Information Systems. 2016.
  • A Study of Nano communication System Using Carbon Nanotubes, Journal of the Korea Institute of Electronic Communication Science, 2016.

Patents

  • Dashcam and Blind Spot Notification System (Pending, 2021)
  • Detailed Food Ordering System Using Chatbot (Registered, 2020)
  • Drone Control Transfer System Using Wireless Network (Registered, 2018)
  • Assistive Sign Language System to Express Emotions (Registered, 2018)
  • Walking Guide for the Blind (Registered, 2016)
  • e-Book With Character Models (Registered, 2013)