Engineer Electrical

Hyung W. Paik

** ****** *****

Morris Plains, NJ 07950

Home: 973-***-****

Cel: 973-***-****

E-mail ********@*****.***

Nationality: Naturalized American citizen

Career Objective:

Application/Design/Implementation/Debugging Engineering position in

the area of Audio/Video Signal Processing and Communication System.

Education:

* Ph.D., Electrical Engineering, Univ. of Missouri at Rolla, 1986,

GPA = 3.94/4.0.

Dissertation: Maximum Likelihood Estimator for the Time Delay

in the Passive Sonar System.

* M.S., Electrical Engineering, Univ. of Missouri at Rolla, 1981,

GPA = 4.0/4.0.

Thesis: Intraframe Transform Image Coding Simulation.

* M.S., Electrical Engineering, Korea Advanced Institute of Science,

South Korea, 1976, GPA = 2.3/3.0,

Thesis: Fast Frequency Shift Keying Using Binary Transversal

Filter.

* B.S., Electronic Engineering, Sogang University,

South Korea, 1974, GPA = 3.44/4.0,

Experiences:

1999 - DSP Project Engineer at Dialogic(previously Intel)

Works on development and integration of DSP algorithm.

* Integrating, porting, testing TI video encoder/decoder for

H263, MPEG4, H264 on TIC6486 using TI Code Composer.

Analyzed the bit streams and requested TI to fix.

Modified the rate control algorithm to improve the quality.

* Implementing Run Time Control when playing/recording

audio/video signals.

* Design/Implementation/Integration of speed control when

playing back a file without changing the pitch.

* Designing/Implementing/Debugging/Integrating

64ms Line Echo Canceller on TI C6x(Assembler/C) and

Motorola DSP56x(Assembler) with MatLab and C Simulation,

also on Intel Pentium Processors. Echo Canceller testing

with GL com equipment.

* Integrating/Debugging DSP algorithms and RTP packet

processings (G711, G726, G729, AMR, GSMFR, Conferencing,

AGC, VAD, tone detection, echo cancellation, RFC2833,..

on Media server/VOIP gateway.

* Physical layer works (MAC, IP, UDP, RTP, UDPTL)

implementing T.38 redundancy UDPTL packet, RFC2198/RFC2833

RTP packet on the micro engines in the IXP-1200 network

processor.

1996 - 1999 DSP R&D Engineer at 3COM (previously U.S. Robotics)

* Implemented/debugged In-Band Auto Protocol Detection

and Auto Rate/Mode Detection (V120, X75,

Multilink PPP, V110, Data over Voice, V34+, X2) for

the ISDN Modem using TI TMS320C5x Assembler and

HP Logic Analyzer for Courier ISDN Modem.

* Debugging the fax modem, CRC calculation, HDLC framing,

V.21/27/29/17, T.30 on TI TMS320C5x.

* Designing/Implementing T.38 on TI C54x.

* Analysis/Simulation/Performance Evaluation/Algorithm

Development for Discrete Multi Tone based xDSL modem

using MatLab/C/SPW including Time/Frequency Domain

Equalizer, Echo Canceller, NEXT Noise, Bit Loading,

Channel Modeling.

1986 - 1996 Assistant Professor in Electrical and Computer Eng.

Department at the South Dakota School of Mines and

Technology.

* Taught Digital Signal Processing, Communication

System, Communication System, Linear Estimation,

Random Signals and Noise, Systems and Signals I/II,

Electronics I/II, Design of Digital System,

Control System.

1983 - 1985 Teaching Assistant in Electrical Engineering Department

and Department of Mathematics at the University of

Missouri-Rolla.

* Taught Control/Communication Laboratory, Engineering

Calculus II/III.

1981 - 1982 Research Assistant in Electrical Engineering Dept. at

the University of Missouri-Rolla.

* Picture Image Coding (2 dimensional Adaptive and

non-Adaptive Cosine, Fast Cosine, Hadamard, Fast

Hadamard Transform, and Linear/Nonlinear

Quantization) funded by McDonnel-Douglas Corporation.

* Image Motion Estimation using Kalman Filter funded

by National Science Foundation.

1974 - 1980 Research Engineer in Instrumentation and Control

Division at the Korea Atomic Energy Research Institute.

* Design and Implementation of Control System and

Protection System of the Nuclear Reactor.

* Making Calibration Procedures for Instrumentation and

Control System of Kori Nuclear Power Plant.

Consulting: Consultation with Yang-Gjae System for installation of

optical 2.5 Gbps Tx/Rx systems of 16 channels of 10 bits

video and 4 subchannels of 16 bits audio, 1994 -1995.

Funded Research Project: Multi-trait Scanner Phase I/II

(Hardware/Software Image Processing System

Development for measuring cattles),

April 90 - Dec. 90, $75,238.

US Patent 7349353 - Techniques to reduce echo

publication date 3/25/08

.

Publications:

* H.W. Paik, "Overview of DMT-based ADSL", Korea-U.S. Science &

Technology Symposium Computing and Telecommunication, Chicago,

IL, April 23-25, 1998.

* H.W. Paik and T. Grablander, "Single Sideband Modulator

Implementation using the ADSP-2101 EZ-Lab Board, The 5th

International Conference on Signal Processing Application &

Technology featuring DSP World Expo, Vol II, pp. 1429-1434,

Dallas, TX, Oct. 18-21, 1994.

* H.W. Paik and T. Grablander, "FIR Compensation Filter for the Zero

Order D/A Converter Using the Frequency Sampling Method," IEEE 37th

Midwest Symposium on Circuits and Systems, pp. 1006-1009,

Lafayette, LA, Aug. 3-5, 1994.

* H.W. Paik, "C Program for Finding the Roots of Real-Coefficients

Polynomials," IEEE Transactions on Education, Vol.37, No.1, p.46,

Feb., 1994.

* The program RT.CPP published in IEEE Transaction on Education is

commented/described in the column of Personal Computer Programs for

Engineers in IEEE Circuits and Devices magazine, Vol.10, No.4, p.7,

July, 1994.

* D. Mulally and H.W. Paik, "Power Spectral Density Estimation

Simulation using the Maximum Entrophy Method," IEEE 36th Midwest

Symposium on Circuits and Systems, pp. 578-581, Detroit, MI,

Aug. 16-18, 1993.

* H.W. Paik and A. Khubchandani, "Quantization Scheme for JPEG

Baseline Sequential Encoding of Still Images," IEEE 35th Midwest

Symposium on Circuits and Systems, pp. 976-979, Washington DC,

Aug. 10-12, 1992.

* J.A. Stuller and H.W. Paik, "Pel-recursive Television Image Motion

Estimation Using the Kalman Filter," Proc. MEDCOMP '82, pp.181-185,

IEEE Computer Society Press, Philadelphia, New York, Sep. 23-25,

1982.

* J.K. Kim and H.W. Paik, "On Fast FSK Modulation," Journal of

the Korea Electronic Engineering, Vol.14, No.2, pp.1-9, 1977.

Projects worked on:

* DSP generated single sideband modulation.

* Image compression by baseline sequential DCT using adaptive

quantization.

* Ray-tracing bicubic parametric patches using the method of

continuation.

* Maximum entropy and correlogram spectral analysis of various

signal types.

* Single sensor estimation of the velocity and range of

an acoustic emitter.

* Real time audio spectrum analyzer.

* FIR low pass filter using TMS32010.

* IIR elliptic low pass filter using TMS32010.

* Direct sequence spread spectrum mod/demodulation system.

* Synchronization circuit for direct sequence spread spectrum

demodulation.

* Stereo FM transmitter.

* C-QUAM AM stereo transmitter.

* Frequency synthesizer.

* Amplifier design for monitoring ecg signal.

* Active Bessel/Chebyshev low pass filter.

* Spectrum Analyzer using TMS320C50.

* Adaptive LMS fir filter using TMS320C50.

* Neural networks/fuzzy logic controller.

Software Skill: C, Assembler (TMS320C1x/C2x/C5x/C6x, DSP563xx,

Network processor IXP1200, ADSP2101, uC8051),

MatLab, Simulink, MathCad, Fortran, Pspice,

OrCad, EPROM/PAL/PLD/EPLD (by PALASM, PLDShell,

Max+PlusII Altera AHDL, CUPL), Cadence SPW,

Synopsys COSSAP, Continus, ClearCase.

Hands-on Experience: Amplifiers (audio, RF, low-noise, power),

communication circuits (AM, FM, SSB transmitter

/receiver, PLL, VCO), differentional amplifier

circuit design in transistor level, active

analog/digital filters, oscilloscope, spectrum

analyzer, function generator, TV/Radio, AD DSP,

TI DSP, PN sequence, logic analyzer,

GO DSP emulator.

Hobby: Amateur ham radio (KF0BI), automotive works, tennis,

table tennis, swimming, fishing.

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