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Young-Hyoun (Yeong-Hyeon) Kwon

Visiting Scholar

Wireless Systems Lab, Stanford University

Packard 340
Department of Electrical Engineering
Stanford University
Stanford, CA 94305

Phone: 650-336-4795
Email: wishwill@gmail.com

Senior Engineer

4G Standard Group, LG Electronics

Biography

Yeong-Hyeon Kwon received B.S., M.S. and Ph. D. degrees in Electrical and Electronic Engineering from KAIST, Korea in 1997, 1999 and 2005, respectively. He is a senior engineer in LG Electronics since 2005. His research interests include MIMO/OFDM, synchronization, channel
coding, UWB, macro diversity transmission and relayed transmission.

Research Interests

Wireless Communication Technology
Wireless Positioning

Publications

Journal Publications:

[1] B. C. Ihm, D. J. Park and Y. H. Kwon, "Adaptive Blind Source Separation Using Weighted Sums of Two Kinds of Nonlinear Functions", IEICE Transactions on Information and Systems, Vol. E84-D, No. 5, P. 672 - 674, 2001, 5

[2] Y. H. Kwon, M. K. Oh and D. J. Park, “Design and Performance Analysis of Parity Encoded M-ary BPPM in UWB Systems,” IEICE Trans. Comm., 2005

[3] Y. H. Kwon, M. K. Oh and D. J. Park, “A New LDPC Decoding Algorithm Aided by Segmented CRCs for Magnetic Recording Channels” IEEE Trans. Mag., vol. 41, no. 7, pp. 2318-2320, Jul. 2005

[4] M. K. Oh, Y. H. Kwon, and D. J. Park, “Efficient hybrid ARQ with Space-Time coding and low-complexity decoding,” The Journal of the Korean Institute of Communication Sciences, vol. 30, no. 12C, pp. 1222-1230, Dec. 2005

[5] Y. H. Kwon, M. K. Oh and D. J. Park, “Optimal Erasure Selection of M-ary PAM Signaling for Errors and Erasures Decoding Algorithms,” IEEE Trans. Comm., To Appear

[6] J. S. Cho, G. S. Lee, Y. H. Kwon, and J. I. Yun, "An Efficient Statistical Multiplexing Scheme for Advanced T-DMB System," ETRI Journal Submitted.

Conference Publications:

[1] B. C. Ihm, D. J. Park, Y. H. Kwon, "Blind separation for mixtures of sub-Gaussian and super-Gaussian sources," IEEE ISCAS 2000 Geneva. vol. 3, pp. 738 -741

[2] Y. H. Kwon, D. J. Park, B. C. Ihm, "Simplified pitch detection algorithm of mixed speech signals," IEEE ISCAS 2000 Geneva, vol.3, pp. 722 -725

[3] M. K. Oh, Y. H. Kwon and D. J. Park, "Fast Blind Adaptive Equalization in Time-varing Channel", IASTED International Conference on Signal and Image Processing, Kauai/Hawaii, U.S.A., P. 189-194, 2002, 8

[4] M. K. Oh, D. J. Park, and Y. H. Kwon, "Novel Blind Adaptive Equalization in Time-Varying Channel,” Proc. of the 57th IEEE Semiannual Vehicular Technology Conference, Jeju, Korea, P. 1862-1866, 2003, 4

[5] Y. H. Kwon, D. J. Park, S. M. Lee and M. K. Oh, "Determination of Fragmentation Size Based on BER Estimation in Wireless LAN", Proc. of the 57th IEEE Semiannual Vehicular Technology Conference, Jeju, Korea, P. 1550-1553, 2003, 4

[6] S. M. Lee, D. J. Park and Y. H. Kwon, "Delay Estimation for Space-Time Coded Signals over Rayleigh Fading Channels," Proc. of the 57th IEEE Semiannual Vehicular Technology Conference, Jeju, Korea, P. 709-712, 2003, 4

[7] Y. H. Kwon, D. J. Park, and M. K. Oh, "Optimal Checking Sequence During Long Fading Interval in Wireless Systems," IEEE Semiannual Vehicular Technology Conference 2003 Fall.

[8] S. Y. Jung, D. J. Park, Y. H. Kwon and S. M. Lee, "Design and performance analysis of UWB TH-MA scheme using multi-code based PPM," IEEE conference on Ultra Wideband Systems and Technologies, pp. 463-467, Nov. 2003.

[9] Y. H. Kwon, D. J. Park, and M. K. Oh, "Optimization of Polling Sequence During Fading Interval in Wireless Systems," IEEE Asilomar, 2003, 11

[10] Y. H. Kwon, M. K. Oh and D. J. Park, "Throughput Enhancement for Short Packets in Wireless Packet Networks," ICSP 2004, pp. 1833-1836, Apr. 2004.

[11] M. K. Oh, Y. H. Kwon and D. J. Park, "Efficient Hybrid ARQ with Space-Time Coding and Low-Complexity Decoding," IEEE ICASSP 2004, May 2004.

[12] Y. H. Kwon, M. K. Oh and D. J. Park, “Efficient Packet Transmission Scheme Using Minipackets in Wireless Networks,” IEEE 2004VTC Fall

[13] Y. H. Kwon, M. K. Oh and D. J. Park, “Punctured Hard Decision Decoding Based on Symbol Selection,” IEEE 2004VTC Fall

[14] Y. H. Kwon, M. K. Oh and D. J. Park, “A New LDPC Decoding Algorithm Aided By Segmented CRCs for Erasure Channels,” IEEE VTC 2005 Spring

[15] S. M. Lee, Y. H. Kwon, and D. J. Park, “Reduced Modulation Modes for Bit and Power Allocation in Multi-carrier Transmissions,” IEEE ICC 2005

[16] M. K. Oh, Y. H. Kwon, and D. J. Park, “Blind Iterative LDPC Decoding and Channel Estimation for OFDM Systems,” IEEE VTC 2005 Spring

Ph.D. Dissertation:

Novel minipacket design and decoding performance improvement with additional parity information in wireless hybrid ARQ systems

Work Experiences:

Current Works (Standards)

3GPP LTE Development: Works on Random Access Channel (RACH), Uplink Pilot design (DM-RS), Uplink Control Channel design (PUCCH), Synchronization Channel (SCH), Power Control (DL/UL PC)
IEEE 802 standards: IEEE 802.22 Follow-up, IEEE 802.11n Follow-up, IEEE 802.15.4a Follow-up, IEEE 802.16m Active Participation (Synchronization, frame structure, ranging channel design, etc)

Involved Projects

Affiliation

Projects

KAIST

1998.03 ~ 2000.10

(Title) End Game

- Algorithm development of missile guidance/avoidance, Simulation tool development in 3-D view environment

(Tool) MS Visual C++, OpenGL, DirectX

KAIST

1998.03 ~ 1999.08

(Title) Target Tracking

- Real time target traking algorithm based on infrared images and B/W CCD images.

(Tool) TMS320C82 (parallel processor), TI Code composer studio

KAIST

2000.03 ~ 2003.02

(Title) GPS Receiver for STSAT-I

- GPS receiver development for STSAT-1 (Receiver, GPS algorithm, Interface development)

(Tool) Metroworks ARM Developer, StrongARM(SA-1100,SA-1110) and Zarlink GPS chipset

KAIST

2002.09 ~ 2003.08

(Title) Active Noise Cancellation

- Development of active noise cancellor for high-level noisy environment such as helicopter and military tank.

(Tool) TI Code composer studio, C6711, C6701

KAIST

2004.03 ~ 2005.08

(Title) Design of Hyperspectral imager

- Design and development of hyperspectral imager for infrared/visual optical frequency range

(Tool) TI Code composer studio, Keil C51, DM642, KAI-2001M

Personal

1. Oscilloscope development via RS-232

2. Development of push algorithm based on telephone connection, Suni-Project

3. Power controller implementation for a power supplier (TMS320C54), EITEK

4. Development of fire detection system based on CCD images and wireless image transmitter, version I, DongYang Electronics

5. Development of fire detection system based on CCD images and wireless image transmitter, version II, DongYang Electronics

6. Digital power supplier Controller & RT S/W, VUPower

7. Fast Internet Agent to improve web traffice over low-speed internet connection, Art of Technology

Course

1. Float caculator in VHDL form

2. Ethernet simulator

3. ARM Simulator

Work Tools

C/C++/VHDL

★★★★★

Algorithm development,

Embeded programming

Matlab

★★★★★

Algorithm development for pre-simulation

Windows Programming (Application)

★★★★★

Socket, COM, ATL, DirectX, OpenGL, Windows applications

Windows Programming

(Device)

★★★☆☆

Device driver programming

Hardware Development

★★★★★

Hardware system design using DSPs

(ARM DSP, TI DSPs)

My CV can be found here.