한밭대학교소프트웨어융합대학원

A Summary of Digital Wireless Communication Laboratory

• Laboratory name : DWC
• Department : mobile & wireless com

Responsible person (Adviser)

• Name : Kim Eongon
• E-mail : egk8996@hanbat.ac.kr
• Location of lab. : 4-401
• Contact number : +82-42-821-1214

Introduction to the Lab (field of research)

• mobile com. phigical layer architecture
• digital modem simulation and performance analysis
• BDN low power modem design

Research results during the last three years (2007∼2009)

• Paper (SCI/SCIE)
  • A study on performance improvement of convolution coded 16 QAM signal reception with maximum radio combining diversity in fading channel
  • performance analysis of convolution coded 16 QAM signal with Selective Combining Diversity in and Rician fading and impulsive noisenel environments
• Patent
  • GCD of PSSK signal for BDN

A Summary of Network Laboratory

• Laboratory name : Network Lab.
• Department : Information and Communication Engineering

Responsible person (Adviser)

• Name : Eun Gi, Kim
• E-mail : egkim@hanbat.ac.kr
• Location of lab. : 4-410
• Contact number : +82-42-821-1215
• Homepage : http://network.hanbat.ac.kr

Introduction to the Lab (field of research)

The research areas of this laboratory are related to the network protocol and its design and implementation. The detailed topics are as follows.

• Wireless Communication Protocol (IEEE 802.11-WLAN, IEEE 802.15.4-ZigBee, …)
• Linux kernel and device driver
• Security
• Embedded Linux

A Summary of Electronic Devices & Circuits Laboratory

• Laboratory name : EDCLab( Electronic Devices & Circuits Lab.)
• Department : Department of Information Communication Engineering

Responsible person (Adviser)

• Name : Keesoo Yeom
• E-mail : ksyeom@hanbat.ac.kr
• Location of lab. : 4-509
• Contact number : +82-42-821-1219
• Homepage : http://cadenza.hanbat.ac.kr

Introduction to the Lab (field of research)

• Power devices (LDMOST, SiC power devices)
• RF CMOS circuit design

Research results during the last three years (2007∼2005)

• Paper (SCI/SCIE)
  • Design of Low Power CMOS LNA using Current Reuse Technique
  • In-Shin Cho, Keesoo Yeom
  • The Journal of KIMICS, vol. 10, no. 8, pp. 1465-1470
• Paper (SCI/SCIE)
  • Breakdown Voltage Characteristics of LDMOST with External Field Ring
  • Dongjoo Oh, Keesoo Yeom
  • The Journal of KIMICS, vol. 8, no. 8, pp. 1465-1470

A Summary of Visual Coding Laboratory

• Laboratory name : Visual Coding Laboratory
• Department : Information Engineering

Responsible person (Adviser)

• Name : Choong Ho Lee
• E-mail : chlee@hanbat.ac.kr
• Location of lab. : 3-508
• Contact number : +82-42-821-1221
• Homepage : http://vcl.hanbat.ac.kr

Researcher

Introduction to the Lab (field of research)

• Research Topics
  • Digital Image Processing and Pattern Matcing: Licence Plate Recognition, Fingerprint Recognition, Frontal Face Recognition etc.
  • Image Processing: Digital Image Watermarking
  • Image Compression: Analysis of H.264
  • Application Software: Computer Graphics using Pov-Ray, Visual C++, C++, Java, Matlab etc.

Research results during the last three years (2008∼2006)

• Paper (SCI/SCIE)
  • Choong Ho Lee, "Searching Algorithm for Shadow Areas Using Correlation in Fourier Domain and Its Application,“ Lecture Notes in Control and Information Sciences, Springer, vol. 345, pp.1062-1067, August 2006. (SCIE)
  • Hyunkyu Shin, Choong Ho Lee, “Design of General-Purpose Resource Management System with Tree Structure,” Journal of Korea Multimedia Society, Vol. 11, No. 10, pp.1420 -142, October 2008.
  • Joongkyu Kim, Choong Ho Lee, “Seal Recognition using Phase Only Correlation,” Journal of Graduate School of Information Communication, Hanbat National University, pp. - . 2008. 2.

A Summary of HINT Laboratory

• Laboratory name : HINT (Hanbat Information Nano Technology)
• Department : Information of Communication Engineering

Responsible person (Adviser)

• Name : Youn Seoung Lee
• E-mail : yslee@hanbat.ac.kr
• Location of lab. : 4-507
• Contact number : +82-42-821-1148

Researcher

• Master's course : Jung-Hea Seo
• Students : Sang-Su No, Jae-Sik Yoon, Chang-Woo Seo , Eun-Hey Choi, Sophia-Lee

Introduction to the Lab (field of research)

• Surface and Interface Analysis (XPS, XRD, SIMS, XAS, AFM, TEM, SEM, etc.)
• Device Analysis (Ellipso, I-V, C-V, resistivity, etc.)
  • Perovskites system:(La(Pr)-Ca(Sr)-MnO3, etc.)
  • ALD (atomic layer deposition) nano-materials
  • Diffusivity and Grain boundary Diffusion in films
  • High-k Materials
  • Shallow Junction
  • Diffusion Barrier Materials
  • Surface modification in Polymers
  • Cu Metallization: Metal Contacts
  • Surface and Growth Mode in thin films
• MOSFET Simulation by TCAD

Research results during the last three years (2007∼2005)

• Paper
  • Characteristics of silicon oxide thin films prepared by sol electrophoretic deposition method using tetraethylorthosilicate as the precursor. Current. Appl. Phys. Current Applied Physics 9, 551-.555 (2009.01)
  • Study of Implanted B+ and P+ Ions into Si (100) for Ultra Shallow Junction by SIMS. Journal of Surface Analysis Vol.14, No. 4 (2008) pp. 420-423
  • Behavior of Boron Implanted into n-Si (100) by Low-Energy ( 2 keV) Ion Implantation for a Shallow Junction. J. Kor. Phys. Soc. Vol. 52, No. 4, pp. 1237~1240 (2008.04)
  • Effects of reoxidation on band alignment in N-incorporated SiON films as a function of sequential thermal annealing in NO and NH3. APPLIED PHYSICS LETTERS 93, 012901 (2008)
  • Phase Separation in the V-Doped La0:7Ca0:3MnO3 Perovskite. J. Kor. Phys. Soc. Vol. 53, No. 3, pp. 1371~1374 (2008.09)
  • Characteristics of Silicon Dioxide Film Deposited by Neutral Beam-Assisted Chemical Vapor Deposition. Japan. J. Appl. Phys. Vol. 47, pp. 8905-8908(2008.12)
  • Dependence of the Transport, the Magnetic and the Optical Properties of La0:7Ca0:3MnO3¡± on Grain Size. J. Kor. Phys. Soc. 0374-4884 (2007.10)
  • Annealing Temperature Dependence of Electronic Structure of La0.7Ca0.3MnO3-δ Perovskite J. App. Phys. 101, 09G512 (2007)
  • Remaining Oxide and Low Energy Ion Implantation of BF2+ for Si(100) J. Kor. Phys. Soc. 50(3), 657-661 (2007)
  • Temperature dependence of band alignments in ultrathin Hf-Al-O and Al2O3 films on p-Si (100). Surface and Interface Analysis 38, 502-505 (2006)
  • The influence of thin insulating lithium fluoride inserted pentacene layer on pentacene-based organic thin-film transistor Thin Solid Films 495, 385-388(2006)
  • Characterization of Ni-Mn-Ga alloy films by X-ray Absorption Spectroscopy J. Kor. Phys. Soc. 49(3), 1001-1005 (2006)
  • Comparison of magnetic coercivity between Co/Pt multilayered and ion beam mixed Co-Pt alloy films J. Kor. Phys. Soc. 48(6), 1458-1462 (2006)
  • The characteristics of perylene-based organic thin-film transistor (OTFT) with OTS(octadecyltrichlorosilane) monolayer J. Vac. Sci. Tech. B23(3) 926-929 (2005)
  • Polyimide surface modification by low energy ion beam irradiation Materials Science Forum Vols. 492-493, 659 (2005)

A Summary of VLSICAD Laboratory

• Laboratory name : VLSICAD Lab
• Department : Information of Communication Engineering

Responsible person (Adviser)

• Name : Kwangki Ryoo
• E-mail : kkryoo@hanbat.ac.krr
• Location of lab. : 4-407
• Contact number : +82-42-821-1710, +82-11-234-0569
• Homepage : http://soc.hanbat.ac.kr

Members

Research Area

• SoC Platform Design & Verification Methodology, HW/SW Codesign
• FPGA/ASIC/SoC(System-on-a-chip) Design, Deep submicron IC Design
• CAD for VLSI Design, Partitioning, Floor-planning, Place & Routing
• Advanced Microprocessor Design, RISC Processor Architecture

Papers

• Development and Verification of SoC Platform based on OpenRISC Processor and WISHBONE Bus, Journal of theInstitute of Electronics Engineers of Korea, Vol. 46-SD, No. 1, Jan 2009.
• Cache Architecture Design for the Performance Improvement of OpenRISC Core, Journal of the Institute of Electronics Engineers of Korea, Vol. 46-SD, No. 1, Jan 2009.
• The Development of Reusable SoC Platform based on OpenCores Soft Processor for HW/SW Codesign, International Journal of Maritime Information and Communication Sciences, Vol. 6, No. 4, Dec 2008.
• Clock Routing Synthesis for Nanometer IC Design, International Journal of Maritime Information and Communication Sciences, Vol. 6, No. 4, Dec 2008.

Books

• Fundamentals and Applications of Verilog HDL Design, Hongreung Book Publisher, 2005.
• Experiment on the Design and Verification of OpenRISC Processor, Brain Korea Book Publisher, 2008.
• Design and Verification by Semiconductor IP Reuse using Flowrian, Brain Korea Book Publisher, 2008.
• ADPCM Hardware/Software Co-design and Verification by OpenRISC Platform using Orpian, Brain Korea Book Publisher, 2008.

Projects

• Development of Hardware IPs and Software Programming Environment for Open Core Processor and On-Chip Bus Embedded SoC Design, 2007.07 ~ 2009.06, Small and Medium Business Administration (SMBA).
• HW/SW Codesign for OpenRISC & WISHBONE Based SoC Platform, 2006.03 ~ 2009.12, Electronics and Telecommunications Research Institute (ETRI).
• Development of SoC HW/SW Mixed Design & Verification Laboratory CAD System, 2007.09 ~ 2008.08, Korea Industrial Technology Foundation (KOTEF).
• Validation & Verification on the Safety of CPLD/FPGA Design in POSAFE-Q, 2006.04 ~ 2008.09, Korea Institute of Nuclear Safety (KINS).
• Evaluation of Design Knowledge Management System Using the IP Library of OpenRISC Based SoC Platform, 2005.09 ~ 2007.08, Ministry of Commerce, Industry and Energy (MOCIE).

Meta-Radio Technology Lab

A Summary of Meta-Radio Technology Laboratory

• Laboratory name : Meta-Radio Technology Lab
• Department : Information of Communication Engineering

Responsible person (Adviser)

• Name : Seongmin PYO
• E-mail : spyo@hanbat.ac.kr
• Location of lab. : N4-608
• Contact number : +82-42-821-1202

Introduction to the Lab(field of research)

• Researches cover deep learning-inspired isotropic arrayed patch and reconfigurable structure for remote identification, radar and communications from VHF to THz spectrum.
• Prof. Pyo has focused on a variety of innovative research projects and the state-of-the-art technology from the defense and civilian sectors to the ground, marine, aviation and space layers.

Papers

• D. Lee, K. Kim, and S. Pyo,"Mesh-grounded monopolar hexagonal microstrip antenna for artillery-launched observation round" Electronics, vol. 8, no. 11, 1279 (pp. 1-11), Nov. 2019.
• D. Lee, K. Kim, and S. Pyo,"Dual-band monopolar microstrip antenna using a quasi-circularly arranged mushroom resonator on meshed ground structure," Microw. Opt. Technol. Lett., vol. 61, no. 12, pp. 2720-2724, Dec. 2019.
• J. Park, E. Lee, S.-H. Park, S. S. Raymond, S. Pyo, and H.-S. Jo, "Modeling and analysis on radio interference of OFDM waveforms for coexistence study," IEEE Access, vol. 7, pp. 35132-35147, April 2019.
• S. Lee, S. Pyo, and J.-H. Kim, "Dual-band bidirectional circularly polarized microstrip antenna for CubeSat system," Microw. Opt. Technol. Lett., vol. 60, no. 12, pp. 2989-2992, Dec. 2018.
• S. Pyo, H.-S. Jo, S.-H. Park, J.-S. Park, and H. Lee, "Frequency and circular-polarization switchable microstrip antenna for dynamic spectrum allocation," Microw. Opt. Technol. Lett., vol. 60, no. 11, pp. 2753-2759, Nov. 2018.
• S. Lee, S. Pyo, and J.-H. Kim, "Circularly polarized microstrip antenna with bidirectional radiation using dual-layered arrow-shape slot perturbation for CubeSat application," Microw. Opt. Technol. Lett., vol. 60, no. 8, pp. 2018-2022, Aug. 2018.
• S. Lee, S. Pyo, and J.-H. Kim, "Circularly polarized microstrip antenna with bidirectional radiation using dual-layered arrow-shape slot perturbation for CubeSat application," Microw. Opt. Technol. Lett., vol. 60, no. 8, pp. 2018-2022, Aug. 2018.
• M.-J. Lee, Y. Noh, and S. Pyo, "Reconfigurable dual-embedded cross-slotted microstrip antenna with frequency diversity capability," Microw. Opt. Technol. Lett., vol. 60, no. 4, pp. 951-956, April 2018.
• Y. Noh, Y. Shin, M.-J. Lee, and S. Pyo, "Bidirectional circularly polarized microstrip antenna using axis-symmetrical cross-shaped slotted ground," Microw. Opt. Technol. Lett., vol. 59, no. 10, pp. 2498-2501, Oct. 2017.
• S. Pyo and Y. Sung, "Asymmetrical coupling feed of circularly polarized microstrip antenna for bandwidth enhancement," Microw. Opt. Technol. Lett., vol. 58, no. 7, pp. 1672-1675, July 2016.
• H. C. Choi, E. Lim, D.-H. Lee, and S. Pyo, "Microstrip antenna using H-slotted ground structure for orthogonally polarized dual-band operation," Microw. Opt. Technol. Lett., vol. 58, no. 1, pp. 136-139, Jan. 2016.
• D.-H. Lee, H.-M. Yang, and S. Pyo, "Reconfigurable circularly polarized microstrip antenna based on dual-embedded dual slotted ring perturbation," Microw. Opt. Technol. Lett., vol. 57, no. 10, pp. 2422-2425, Oct. 2015.
• D.-H. Lee and S. Pyo, "Dual-reconfigurable microstrip antenna for polarisation agility and diversity," Electron. Lett., vol. 51, no. 16, pp. 1226-1227, Aug. 2015.
• J.-M. Kim, N. Kim, and S. Pyo, "Ground-embedded dual-slot perturbation for switchable circularly polarized microstrip antenna," Microw. Opt. Technol. Lett., vol. 56, no. 11, pp. 2537-2539, Nov. 2014.
• D.-H. Lee, D.-W. Chung, E.-G. Kim, and S. Pyo, "Circular polarization-agile microstrip antenna for wireless access in vehicular environments," Microw. Opt. Technol. Lett., vol. 56, no. 10, pp. 2310-2313, Oct. 2014.
• D.-H. Lee, D.-W. Chung, and S. Pyo, "Reconfigurable dual-slit perturbed patch antenna for circular polarization diversity," IEICE Electron. Express, vol. 11, no. 15, pp. 1-6 (2014384), Aug. 2014.
• S. Pyo, N. Kim, and J.-M. Kim, "Reconfigurable microstrip annular ring antenna for circular polarization diversity," Microw. Opt. Technol. Lett., vol. 56, no. 7, pp. 1706-1709, July 2014.
• S. Pyo, "Switchable circularly-polarised square ring antenna controlled by dual-loaded dual-loop," Electron. Lett., vol. 50, no. 6, pp. 428-429, March 2014.
• S. Pyo, M.-J. Lee, K.-J. Lee and Y.-S. Kim, "Dual-band magnetic loop antenna with monopolar radiation using slot-loaded composite right/left-handed structures," IEICE Trans. Commun., vol.E95-B, no.2, pp. 627-630, Feb. 2012.
• S. Pyo and Y. Sung, "A circularly polarized microstrip antenna with an arrow shaped slotted ground," Microw. Opt. Technol. Lett., vol. 54, no. 1, pp. 271-273, Jan. 2012.
• S. Pyo and Y. Sung, "Microstrip antenna perturbed by a defected ground structure with a reconfigurable polarization capability," Microw. Opt. Technol. Lett., vol. 54, no. 1, pp. 58-61, Jan. 2012.

Patent

• S. Pyo, W. Lee, and J.-I. Choi, "Method and apparatus for analyzing sample using terahertz wave," US Application Publication No. US2013/001421 A1, Jan. 3, 2010.
• S. Pyo, Y.-S. Kim, D.-M. In, and M.-J. Lee, “Anechoic chamber having ferrite resonator,” Patent No. 2010-0033782, (Granted, 1134202), Apr. 13, 2.