Electrical and Computer Engineering

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Electrical and Computer Engineering

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Research Centers

HOMEResearch Research Centers

Communication Systems Lab

  • The communication Systems Lab (CSL) studies topics and issues covering wireless and mobile communication systems and networks.
  • Topics and issues include:
    • - Mobile Communication Systems Framework Design
    • - Radio and Mobile Access Network Architecturing and Interconnection
    • - Inter-cell, Inter-network, Inter-system Handover and Radio Resource Management
    • - Cooperative Communications
    • - User-centric Network Interconnection
    • - MIMO Systems for Wireless Broadband Transmission (Including STC)
    • - Interference Control and System Capacity Analyses in Multi-cell Cellular Systems
    • - OFDM-Based Multiple Access Schemes (OFDMA, MC-CDMA, FH-OFDMA, GMC-CDMA)
  • Professor : Oh, Seong Keun
  • Homepage : http://comm.ajou.ac.kr

Control Application Lab

  • The control Application Lab (CAL) conducts research in navigation systems, and fine tracking systems applying control theories. These are ongoing researches projects.
    • - Simulation algorithms of Attitude Decision System for Next Generation Multipurpose Satellites.
    • - Mobile Navigation systems using Global Positioning System (GPS)
  • Professor : Lee, Ja-Sung

Discrete Event and Hybrid Systems Lab

  • Hybrid systems are dynamical systems which are composed of discrete-event dynamics and continuous- variable dynamics. We study the fundamental theory for analysis and control of hybrid systems and its applications to various engineering systems such as embedded control systems.
  • Professor : Park, Seong-Jin
  • Homepage : http://deslab.ajou.ac.kr

Electrical Interconnect & Packaging (EIP) Lab

  • Our mission is to provide innovative packaging solutions for high-speed wired and wireless technologies. In support of this mission, our key focus is advancing the state of the art in the analysis, design, and characterization of communication hardware. We have analyzed a wide variety of high-speed links from a holistic standpoint, considering I/O circuits, equalization and modulation, and including all levels of packaging. We have also recently initiated a new exploratory antenna and package development project for 94-GHz imaging radiometers.
  • Professor: Kam, Dong Gun
  • Homepage: http://ajou.ac.kr/~kam

Electromagnetic Wave Research Lab

  • Our research interests are electromagnetic fields and wave analyses related to apertures, planar transmission lines, through-silicon vias, surface plasmons, frequency selective surfaces, radomes, near-field probes, and electromagnetic interference and compatibility.
  • Professor: Park, Yong Bae
  • Homepage: http://wave.ajou.ac.kr

Embedded & Software Lab

  • The main research issue of the ESL (Embedded & Software Laboratory) is how to inject intelligence into the embedded systems using AI (Artificial Intelligence) methods and advanced software methodologies. Using techniques both of software and hardware, students of ESL have developed intelligent home network devices, context-aware phones, SOA (Service-Oriented Architecture) based embedded software, and smart agent architecture for 5G communication. Therefore, students are trained to have skills for software modeling methods, programming, and embedded systems.
  • Professor : Lee, Jung-Won
  • Homepage : http://eslab.ajou.ac.kr

Embedded Computing and Systems Lab

  • The ECSL (Embedded Computing and Systems Laboratory) has been conducting research on low-power techniques at the levels of architecture and software, which target CPU, display, storage, etc.. in mobile computing systems. Our research topics also include performance optimizing techniques.
  • Professor : Kim, Young-Jin
  • Homepage : http://ecsl.ajou.ac.kr

Embedded Systems Lab

  • The first aim of the Embedded Systems Lab is to designs and implement H/W platforms using RICS processors such as ARM11,A8 (dual core chip), A9 (quad core chip) and DSP. Second, we research OS porting such as Android OS, Windows CE, Linux, RTOS and Firmware based on implemented H/W platforms for various systems. Third, we also design S/W apllication which are adaptable for each OS.
  • Professor : Kim, Young-Kil
  • Homepage : http://dsp_lab.wo.to

Integrated Circuits and Systems Lab

  • The integrated Circuits and Systems(ICAS) Lab performs research in the area of RF integrated circuit design and high speed analog integrated circuit design in CMOS technology. Our research interests include RF/analog integrated circuits and system design for wireless communication, biomedical sensor, and automotive applications.
  • Professor : Kwon, Ickjin
  • Homepage : http://icas.ajou.ac.kr

Microwave Application Lab

  • The field of radio frequency (RF) engineering is the most essential part of electronic engineering. " Assume a tree which has various electronic products. In order to bear fruit, a tree must have a good trunk and roots." If fields such as telecommunications, semiconductors, and computer science correspond to the trunk and the roots of the tree, RF corresponds to the fertile ground which allows the tree to grow. Every tree needs the ground; all the fields of electronic engineering need RF, similarly. The oldest and the most promising field of electronic engineering is RF.
    The Microwave Application Laboratory (MWAL) was founded at the Electrical Engineering Department of Ajou University by Professor Hai-Young Lee in 1994. From then, the MWAL has carried out research centered on technologies related to integrated microwave/ millimeter-wave components, EMI/EMC, and high speed circuit design.
    Specific topics of current interests are; RF MEMS, system in/on Package (SiP/Sop), millimeter-wave component, EMI/EMC, and RFIC design and testing.
  • Professor : Lee, Hai-Young
  • Haompage : http://mwal.ajou.ac.kr

Microwave Communication Lab

  • The research in the Microwave Communication Laboratory addresses application oriented electromagnetic problems with an emphasis on the design and development of various microwave and terahertz wave passive devices for Wireless Communication.
    Currently, we focus on the following topics
    - Antennas for wireless communications
    - Terahertz and nano antennas
    - Energy harvesting in microwave, terahertz, and optical regions
  • Professor : Park, Ikmo
  • Homepage : http://mwcomm.ajou.ac.kr

Microsystems Lab

  • In the Microsystems Laboratory, MEMS(Micro Electro Mechanical Systems) research is performed, MEMS includes miniaturized sensors, actuators, and electro-mechanical structures fabricated by microelectronic technology and bulk micromachining technology. Our researches focuses on design, fabrication, and testing of micro devices such as SAW gyroscopes, SAW wireless sensors, biochip, lab-on-a-Chip, micro plasma-jet devices, micro mass-spectrometers, solar cells, micro lens arrays, etc.
  • Professor : Yang, Sang Sik and Lee, KeeKeun
  • Homepage : http:// www.ajou.ac.kr/~mems

MOCVD Lab

  • The MOCVD Laboratory studies compound semiconductor materials grown by MOCVD and sputtering. Semiconductor materials such as zinc oxide (ZnO), indium gallium zinc oxide (InGaZnO), copper oxide (Cu2O), and titanium nitride (TiN) are investigated. These materials are replacing silicon in flat-panel display devices. Metal oxides are currently used in transparent devices and solar cell as contact materials. We fabricate thin-film transistors and pn diode structures using these materials to investigate electrical properties. Our main equipment is MOCVD systems, dc and rf sputtering systems, metal evaporators, and IV and CV measurement systems.
  • Professor : Jo, Jungyol

Multimedia and Communications SoC Lab

  • The Multimedia and Communications SoC (System-on-Chip) Lab was founded by Professor Myung Hoon Sunwoo in 1992 at Electrical and Computer Engineering. The main research subjects of SoC Lab include SoC architecture and design for multimedia and communications. Especially, SoC lab focuses on low power design. SoC Lab actually implements SoC systems using chip fabrications and FPGAs.
  • Professor : Sunwoo, Myung Hoon
  • Hompage : http://soc.ajou.ac.kr

Multimedia Networking Lab

  • The multimedia Networking Laboratory(MNLab) was founded by Professor Chae-Woo Lee in 2002 at Electrical and Computer Engineering. We research several wired or wireless Telecommunication & Network parts, especially MANET(Mobile Ad-hoc Networks), Traffic Engineering Ubiquitous Networks and Optimization etc. In MANET, we research not only MAC(Medium Access Control) protocols but also routing protocols. In Traffic Engineering, we research guaranteeing the QoS(Quality of Service) and Traffic Analysis & Modeling. In Ubiquitous Networks, we focus on WSN(Wireless Sensor Networks) and RFID (Radio Frequency IDentification). In this part, we also carry out some projects which let us study programming languages such as C, C++, JAVA and MFC, etc. In Optimization, we research Game Theory and heuristic algorithms (Genetic algorithm, etc). The object in our laboratory is producing a persistent and enjoyable person in communication,
  • Professor : Lee, Chae-Woo
  • Homepage : http://mnlab.ajou.ac.kr

Multimedia Signal Processing Lab

  • The multimedia Signal Processing (MSP) Lab at Ajou University is dedicated to the research and development of advanced and intelligent multimedia technologies. Especially, our research focuses on subjects relevant to pattern recognition and machine learning using statistical analysis. MSPL's main areas of interest include object recognition, object detection, pattern classification, statistical data analysis, image processing, computer vision, and others. Math tools such as linear algebra, probability theory and optimization theory are used extensively. Also, the programming skills with C, C++, Java, and MATLAB are required.
  • Professor : Kwak, Nojun
  • Homepage: http://image.ajou.ac.kr

Nanophotonics Lab

  • In the Nanophotonics Laboratory, optical nano-structures are studied, designed, and fabricated to improve performances of existing photonic devices such as light emitting diodes, laser diodes, and solar cells. or to realize novel optical functionalities such as metamaterial and quantum information processing. Optocal nano-structures of our interest include photonics crystals, plasmonic structures, and quantum dots. Si-based photonic devices and optical interconnects are also significant research areas in our interest.
  • Professor : Kim, Sangin
  • Homepage : http://photonics.ajou.ac.kr/

Optoelectronics Lab

  • The Optoelectronics Laboratory at Ajou University was founded by Professor Sang-Bae Kim in 1990. and has concentrated its efforts on semiconductor optoelectronics devices, such as semiconductor lasers for long-distance and local optical communications including VCSELs (Vertical Cavity Surface-Emitting Lasers), pump lasers for optical amplifiers, high power lasers for optical recording, pin photodiodes for optical communications, GaN/GalnN LEDs, and GAN-based UV detectors. Presently, our research is focused on "IdealVCSELs", which will be a key enabler of the optically interconnected world.
  • Professor : Kim, Sang-Bae
  • Homepage : http://opel.ajou.ac.kr

Power Electronics Lab

  • The PEL (Power Electronics Laboratory) carries out research in mainly four areas that all are closely related to the use of power electronics. We focus on
    • - Renewable energy systems
      : In renewable energy systems, power electronics are used both for controlling the renewable source and interfacing
      with the load which can be grid-connected or working in stand-alone mode. The kinds of renewable energy are wind
      energy, solar energy, fuel cells, etc.
    • - Electric vehicles
      : Power electronic systems are the most essential technology for electric vehicles. The power electronic systems mainly
      contain EV battery charging, EV battery managing and motor driving. In the power electronic systems, a battery which
      is DC source is charged, and the DC source is converted to the AC source to drive the motor effectively.
    • - Motor driving
      : In many industry areas, motors are used for factory automation. We are doing research into controls of motors such as
      AC and DC motors, SRM, etc. There are several kinds of control methods for those motors; for example, flux weakning
      control, position/speed sensorless control, direct torque control, etc..
    • - Reliability
      : Increasing efforts have been put into making power electronic systems better in terms of reliability in order to achieve
      high power source availability and also reduce the cost of maintenance. Fault diagnosis and tolerant control
      techniques are studied for IGBT, current sensors, voltage sensors and DC-link capacitors for converters.
  • Professor : Lee, Kyo-Beum
  • Homepage : http://pel.ajou.ac.kr

Robot Application Lab

  • The Robot Application Laboratory was established for the development of robot systems and the investigation of control theories and their application to automatic systems. in 1986. Research areas includes the following: i) control of linear and nonlinear dynamic systems ; ii) development of robot systems (e.g., wheeled mobile robots, unmanned aerial vehicle systems, underactuated mechanical systems, etc.); iii) performance and stability analysis of control systems. Presently, we are conducting research on the development of SOS (sum-of-squares) based control algorithms for nonlinear polynomial systems, formation control of wheeled mobile robot systems and quadrotor systems using vision cameras, vision-based estimation, control algorithms, etc.
  • Professor : Chwa, Dongkyoung / Hong, Suk-Kyo
  • Homepage : http://robot.ajou.ac.kr

Telecommunication Research Lab

  • Our main research interests are in Wireless Communication Systems and Wireless Networking. The mission of our lab is to conduct fundamental research to achieve high capacity, highly reliable, secure communication through radio channels. Specifically, we devise the design principles of the next generation of wireless networks from the physical layer up. Our current research interests include Blind Communication Receiver for COMINT; Network Coding for Mobile Ad Hoc Networks; Cognitive Radio; Wireless Relay Networks; Cross-layer Design for Multiuser Ad Hoc and Sensor Networks. The research at TRL is currently supported by various companies and National Research Foundation (NRF) grants.
  • Professor : Yoon, Wonsik
  • Homepage : http://trl.ajou.ac.kr

Ubiquitous System Lab (Lifecare SYSTEM)

  • The USL(Ubiquitous System Laboratory) is conducting research on core technologies and IT convergence technologies in preparation for the imminent era of ubiquitous technology. Our research areas consist of safety surveillance embedded systems, life care embedded platforms, u-computing technology, sensing signal process technology, multimodal HCI technology, etc. Since 2003, we have been known as the ubiquitous center which is on the frontier of projects, and we are heading the design & development of the ubiquitous community computing system integration platform and smart space SYSTEM.
  • Professor : Cho, Weduke
  • Homepage : http://www.lifecarelab.com

Vision Lab

  • The Vision Lab at Ajou University was founded in 2012. Our research goal is to develop artificial systems that understand the world around them. We mainly focus on developing algorithms to extract information of objects, people, and environments from images. Specific topics we are interested in are vision-based robot control, object detection, object recognition, segmentation and grouping, and 3D reconstruction.
  • Professor : Koo, Hyung Il

Wireless Internet and Network Engineering Research Lab (WINNER Lab)

  • We are interested in wireless information research, which include Wireless QoS protocols, Wireless Resource Management, Mobile Management, Network Performance Modeling and Fast Wireless Identification Algorithm in Ubiquitous ID System. We approach these issues in terms of not only the traditional layer-oriented techniques but also the cross-layer techniques. We focus on the next generation wireless internet area such as Beyond 4G Cellular systems, Broadband Wireless System, Satellite system, Military Communication System, and Wireless IP networks. For evaluating the performance of developed schemes, we design End-to-End networks and program them using OPNET network simulators. For standard work, we are interested in 3GPP, 3GPP2, IEEE 802.11, IEEE 802.15, IEEE 802,16 and ETSI DVB S2/RCS.
  • Professor : Kim, Jae-Hyun
  • Homepage : http://winner.ajou.ac.kr/

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