1. Yonghyun Hwang
Verano Place 4821 www.ics.uci.edu/~yonghyuh
Irvine, CA 92617 yonghyuh@ics.uci.edu
949-533-0907
EDUCATION
Ph. D. Candidate in School of Information and Computer Sciences (ICS)
Center for Embedded Computer Systems, (http://www.cecs.uci.edu)
University of California (UC), Irvine, CA
Advisor: Prof. Daniel Gajski
Sept. 2005 - Expected graduation June 2009 (GPA 4.0/4.0)
M.S. in Computer Science
Computer Architecture and Embedded System Lab (http://davinci.snu.ac.kr)
Seoul National University (SNU), Seoul, Korea
Advisor: Prof. Jihong Kim
Mar. 2000 - Feb. 2002
B.S. in Computer Science
Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea
Mar. 1996 - Feb. 2000
PROFESSIONAL EXPERIENCES
Graduate Research Assistant:
Center for Embedded Computer Systems (CECS), UC Irvine, June 2005 – present
- Embedded System Environment (ESE, www.cecs.uci.edu/~ese)
Developed a CAD toolset for modeling, synthesis and validation of multi-processor embedded
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system designs as a project leader
Proposed inter process communication framework on Xilkernel
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Defined Pin-Cycle Accurate Model and developed XPS project generator that generates XPS
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project hierarchy for a given TLM specification
Implemented API modules for GUI to handle internal data structures for ESE
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Implemented DB API modules for ESE
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- Performance Analysis and Estimation Tools
Presented and implemented retargettable performance estimation engine for applications using
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Timed Transaction Level Model (TTLM)
Developed timed abstract RTOS model that elaborates dynamic RTOS behavior and overhead of
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RTOS primitives
- XML Parser Generator
Developed Perl scripts which can generate a parser in C and C++ for a given XML schema
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- Multimedia Applications
Implemented MP3 decoder with RTOS on Xilinx Virtex II board having one processor, two
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custom hardwires, two buses, and one transducer
Developed JPEG decoder on Xilinx Virtex IV board having five processors, one transducer, and
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one bus
Developed TTLM for H.264 codec
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Navy Officer (Lieutenant Jr. Grade):

2. The Naval Academy, Korea, Mar. 2002 – June 2005
- Full-time lecturer, department of the computer science in the republic of Korea, naval academy
July 2002 – June 2005
- Administrative officer of the admission and public relations office
Dec. 2002 – Dec. 2003
Graduate Research Assistant:
CARES Lab, SNU (http://davinci.snu.ac.kr), Mar. 2000 – Feb. 2002
- MobileWise.Server (www.ubiquix.com)
It automatically converts and condenses wired Internet web contents to wireless ones without
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creating new version for mobile device (full automatic contents converting)
Developed a web-page transcoder, Alchemist, for the mobile web clients
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Presented noble algorithms for the efficient web transcoding
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Submitted patents for the transcoding techniques and published papers
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- Power Efficient File System
Modified Linux kernel to implement power efficient file system for mobile hand-held appliances
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Applied low power techniques that consider the property of flash memory
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- Distributed FTP Server
It consists of several FTP servers and one central index server in order to guarantee transparent and
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resilient FTP services
Proposed new fault-tolerant algorithm and developed FTP servers and index server in JAVA
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- Blue Marble Game
Developed blue marble game in PDA, where players can play the game with other gamers
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throughout wireless infrared connection
- Simulator
Developed control flow graph simulator for the dynamic voltage scaling algorithms
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Developed generic simulation framework for the dynamic power management techniques
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Teaching Assistant:
SNU, Mar. 2001 – Aug. 2001
- TA for graduate course on special topics on embedded system
QUALIFICATIONS
Language
- Korean (Native); English (Intermediate); Japanese (Beginner)
Software Development
- Programming languages (Proficient): c/c++ (stl, boost, gtkmm, cairomm, pangomm, glib, glademm), java,
perl, shell scripts, python, assembly
- Programming languages (Intermediate): object pascal, fortran, scheme
- IDE (Proficient): emacs with cedet, eclipse-cdt, vim, delphi
- Tools (Proficient): make, cvs, bugzilla, binutils (ld, nm, etc), glade, lex, yacc, cscope, awk, sed
Hardware Development
- Languages (Proficient): systemc, logic works, verilog
- IDE (Proficient): Xilinx Platform Studio (XPS)
- IDE (Intermediate): ISE
- FPGA Board (Proficient): Xilinx virtex II multimedia board
Computer Skills
- Operating System (Proficient): Linux server administration (Linux kernel customization and development)
HONORS AND AWARDS

3. Student Award from Design Automation Conference (DAC), June 2008
Student Award from Design Automation Conference (DAC), June 2007
Three Years Graduate Fellowship from Donald Bren School of Information and Computer Science (ICS) at
UCI, Sep. 2005 – June 2008
Best Professor Award granted by the Dean of the Educational Branch Officers R.O.K. Naval Academy, Dec.
2003
Ranked 6th at Entrance Exam for KAIST (Top 1 Percent out of 600 Entering Students), Mar. 1996
RESEARCH INTERESTS
Embedded System Design Methodology, Heterogeneous MPSoC for Real-time Multimedia
Applications, Estimation Framework of Transaction Level Models, Real-time Operating System
PUBLICATIONS
Journal Paper
- Yonghyun Hwang, Jihong Kim, and Eunkyung Seo, “Structure-Aware Web Transcoding for Mobile
Devices”, IEEE Internet Computing, vol. 7, no. 5, pp. 14-21, Sep./Oct. 2003
Conference Paper
- Yonghyun Hwang, Gunar Schirner, Samar Abdi and Daniel Gajski, “Automatic Generation of Cycle-
Approximate TLMs with Timed RTOS Model Support”, in process
- Yonghyun Hwang, Samar Abdi and Daniel Gajski, “CREST: Cycle Approximate Retargettable
Performance Estimation at the Transaction Level”, Proc. DATE, Munich, German, March 2008
- Yonghyun Hwang, Eunkyung Seo and Jihong Kim, “WebAlchemist: A Structure-Aware Web
Transcoding System for Mobile Devices”, Proc. Mobile Search Workshop, Honolulu, Hawaii, May 2002
- Yonghyun Hwang, Changwoo Jung, Jihong Kim, Sungkwon Chung (Ubiquix), “WebAlchemist: A Web
Transcoding System for Mobile Web Access in Handheld Devices” Proc. Mobile Computing Data
Management, Denver, Colorado, August 2001
Technical Report
- Y. Hwang, J. Kim, and E. Seo, “Structure-Based Transcoding Heuristics for Mobile Devices”, tech report,
School of Computer Science and Eng., Seoul National Univ., 2002
Translation
- Yonghyun Hwang, Eunkyung Seo, (Co translated), “TCP/IP Primer Plus” YoungHan Corp., Sep 2002,
authored by Heather Osterloh, Que/Sams, September, 2001
PATENTS (submitted)
Korean 10-2001-0087639
Web-Page Converter and Method for Mobile Web Clients Considering Repeated Grammatical Pattern
Korean 10-2000-0066610
Web-Page Converter and Method for Mobile Web Clients Using Semantic Database
Korean 10-2000-0055863
Development of Web-Page Converter for Mobile Web Clients Considering User Access Pattern
EXTRACURRICULAR ACTIVITIES

4. Teaching Experience
The Seongeun Life-Time Education Center for the Working People, Daejeon, Korea. Dec. 1996 – Feb. 1998