postech wcu

FACULTY

Communications and Networks

Communications and Networks
Prof. Kyungwhoon Cheun님의 사진입니다.
Prof. Kyungwhoon Cheun
E-Mail : cheun@postech.ac.kr
Position : Professor
Tel. : +82-54-279-2235, Lab: +82-54-279-5023, 5024
Laboratory : Communication System & Circuits Lab
Office : LG Bldg. #403



EDUCATION
- Ph.D. in Electrical Engineering, University of Michigan (1989)
- M.S. in Electrical Engineering, University of Michigan (1987)
- B.A. in Electronic Engineering, Seoul National University (1985)
CAREER
- 2004.6 - present Director, Center for Broadband OFDM Mobile Access
- 2001.9 - 2001.12 Consultant, Wireless Interface Technologies, San Diego
- 2001.4 - present CTO, Pulsus Technologies, Inc.
- 2000.12 - 2001.12 Visiting Professor, University of California, San Diego
- 1991.8 - present Assistant Prof./ Associate Prof./ Professor, Pohang University of Science and Technology
- 1989.7 - 1991.7 Assistant Professor, University of Delaware, Newark
- 1987.4 - 1989.6: Research Assistant, MI EECS CSPL, University of Michigan, Ann Arbor

ACTIVITIES
- Publication Board Member, Journal of Communications and Networks, KICS (2001 - present)
- Editorial Board Member, Journal of Communications and Networks, KICS (2006)
- Chief Technical Officer, PULSUS Technologies (2004.9 - present)
- Elected Councilor, Korea Information and Communications Society (2007.10.15 -present)
- Research Fellow, Technical Committee of Information and Communication for Industry & Technology Security, Institute for Information Technology Advancement (IITA) (2007.07 - present)
RESEARCH INTERESTS
* OFDM (Orthogonal Frequency Division Multiplexing) and OFDMA
- Inter-cell/multi-user interference modeling and its applications to modem design
- Synchronization algorithms
- Channel estimation and equalization
* Turbo and Turbo-like Codes
- Design of Turbo and Turbo-like codes
- Hardware and power efficient decoding algorithms
- Improving the performance of turbo and turbo-like codes
- Joint channel decoding and synchronization
* Space-Time Codes and MIMO
- Space-time codes using more than two transmit antennas
- Unitary space-time modulation
- Near optimum low complexity decoding algorithms
- Efficient decoding algorithms for space-time codes and MIMO systems
* Spread-Spectrum Communications
- Direct-sequence spread-spectrum (DSSS)
- Frequency-hop spread-spectrum (FHSS)
- Code acquisition and tracking algorithms
SELECTED PUBLICATIONS
- Yongsang Kim and Kyungwhoon Cheun, A Reduced-Complexity Tree Search Detection Algorithm for MIMO Systems, IEEE Trans. Signal Processing, Vol. 57, no. 6, pp. 2420-2424, June 2009.
- Wangrok Oh and Kyungwhoon Cheun, 180° Rotationally Invariant Repeat-Accumulate Codes, IEICE Trans. Commun., vol.E92-B, no.5, pp. 1884-1887, May 2009.
- Jooyeol Yang, Kyungwhoon Cheun, and Jeongchang Kim, Symbol Timing Synchronization Algorithms for Wireless LAN Systems in Multipath Channels, IEICE Trans. Commun, vol. E91-B, no. 7, pp. 2198-2204, July 2008.
- Changkyu Seol and Kyungwhoon Cheun, A Low Complexity Euclidean Norm Approximation, IEEE Trans. Signal Processing, vol. 56, no. 4, pp. 1721-1726, April, 2008.
- Jeongchang Kim and Kyungwhoon Cheun, An Efficient Decoding Algorithm for QO-STBCs Based on Iterative Interference Cancellation, IEEE Communications Letters, vol. 12, no. 4, pp. 292-294, April 2008.