Chulho "Charles" Won
Assistant Professor
Engineering East(EE) Room 264
Electrical and Computer Engineering Dept.
California State University, Fresno
Phone:  559-278-4415


Ph.D.,   Electrical & Computer Engineering, Oregon State University, 2004.
M.S.,    Electrical Engineering, KAIST, 1987.
B.S.,     Electrical Engineering, Korea Aerospace University (Hankuk Aviation University), 1985.


Computer Networks: ECE146 (Computer Networks), ECE291T (Topics on Wireless Sensor Networks)
Computer Architecture: ECE118 (Microprocessor), ECE120L (Assembly Programming), ECE174 (Computer Architecture)
Digital Systems: ECE85, ECE106 (Digital Logic Design), ECE176 (Verilog HDL)
Programming: ECE71 (C Programming)


My general research interests include computer networks and computer systems architecture. Recently, I have been working on research projects on large-scale wireless sensor networks. My current research focus is on hardware and software design issues of self-sustaining large-scale wireless sensor networks for agricultural applications.

C. Won and Seong-Woo Kim, A Simulation Model for Sustainable Mobile Sensor Network, Proceedings of 13th Communications and Networking Simulation Symposium (CNS'10), 2010.
Bong Suh, C. Won, and Seong-Woo Kim, Minimizing Sleep duration time for energy harvesting wireless sensor, Proceedings of IEEE Sensors 2009 Conference, 2009.
Hong Zhou, J. Lu, Z. Zhang, H. Ali, and C. Won, Applications and Performances of Extended TTDDs in Large-Scale Wireless Sensor Networks, Proceedings of the 3rd International Conference of Mobile Ad-Hoc and Sensor Networks (MSN'07), 2007.
Chulho Won and J. Youn, “A comparison of data dissemination protocols for large-scale wireless sensor networks,” Proceedings of the 28th Central California Research Symposium, 2007.
C. Won, J. Youn, and H. Ali, Impact of High-Mobility Radio Jamming in Large-Scale Wireless Sensor Networks, Proceedings of the IFIP International Symposium on Network-Centric Ubiquitous Systems (NCUS 2006), August 2006.
C. Won and J. Youn, Reducing Data Transfer Time in User-Level Network protocols, Proceedings of the 2006 International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA 2006), Las Vegas, USA, June 2006.
Nam Pham, J. Youn, and C. Won, A Comparison of Wireless Sensor Network Routing Protocols in an Experimental Testbed, Proceedings of the WCDSN Workshop in conjunction with the IEEE International Conference on Sensor Networks, Ubiquitous, Trustworthy Computing (SUTC 2006), June 2006.
C. Won, J. Youn, H. Ali, H. Sharif, and J. Deogun, Adaptive Radio Channel Allocation for Supporting the Coexistence of 802.15.4 and 802.11, Proceedings of the 62nd IEEE Vehicular Technology Conference (VTC2005-Fall), Dallas, Texas, September, 2005.
J. Youn, R. Kalva, and C. Won, On-demand Data Dissemination in Large Wireless Sensor Networks, Proceedings of the 62nd IEEE Vehicular Technology Conference (VTC2005-Fall), Dallas, Texas, September, 2005.
R. Kalva, C. Won, and J. Youn, Performance Comparison of Data Dissemination Protocols for Large-Scale Wireless Sensor Networks, Proceedings of the 2005 International Conference on Pervasive Systems and Computing (PSC-05), Las Vegas, June, 2005.
C. Won, B. Lee, C. Yu, S. Moh, K. Park, and M. Kim, A Detailed Performance Analysis of UDP/IP, TCP/IP, and M-VIA Network Protocols Using Linux/SimOS, Journal of High Speed Networks, Vol. 13, pp. 169-182, 2004.
C. Won, B. Lee, C. Yu, S. Moh, K. Park, and Y. Y. Kim, Linux/SimOS - A Simulation Environment for Evaluating High-speed Communication Systems, Proceedings of the International Conference on Parallel Processing (ICPP 2002), August 2002.
V. Pattery, B. Lee, C. Won, H. Lee, and H. Oh, Analysis of the Effectiveness of Multithreading for Interrupts on Communication Processors Using ADC AE32000, Proceedings of the IASTED International Conference on Communications and Computer Networks, November 2002.

© 2012 Charles Won