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Position:
Professor
Northern Virginia Center Program Director
Research Interests:
Reliability and performance evaluation, mobile computing, multimedia systems,fault
tolerance, distributed computing, real-time intelligent systems.
Teaching
CS 6204 Mobile Computing
CS 5214 Modeling and Evaluation
of Computer Systems
Selected Publications
I.R. Chen, B. Gu and S.T. Cheng, "On integrated location and
service handoR schemes for reducing network cost in personal
communication systems," IEEE Transactions on Mobile Computing,
Vol. 5, No. 2, 2006, pp. 179-192.
S.T. Cheng, C.Y. Wang and I.R. Chen, "Filtering strategies for
TFC selection schemes in 3GPPW-CDMA systems," IEEE Trans. on
Wireless Communications, Vol. 5, No. 5, May 2006, pp. 1023-1032.
I.R. Chen, O. Yilmaz and I.L. Yen,
``Admission control algorithms for revenue optimization with QoS guarantees in mobile wireless networks,''
Wireless Personal Communications
Vol. 38, No. 3, Aug. 2006, pp. 357-376.
W. Hao, J. Fu, J. He, I.L. Yen, F. Bastani and I.R. Chen,
"Extending proxy caching capability: issues and performance,"
WWW Journal
Vol. 9, No. 3, 2006, pp. 253-275.
W. Hao, J. Fu, J. He, I.L. Yen, F. Bastani and I.R. Chen,
"Extending proxy caching capability: issues and performance,"
WWW Journal Vol. 9, No. 3, 2006, pp. 253-275.
B. Gu and I.R. Chen, "Performance analysis of location-aware
mobile service proxies for reducing network cost in personal
communication systems," ACM/Kluwer Journal of Mobile Networks and
Applications, Vol. 10, No. 4, 2005, pp. 453-463.
I.R. Chen, N.A. Phan and I.L. Yen, "Update propagation
algorithms for supporting disconnected write
in mobile wireless systems with data broadcasting capability,"
Wireless Personal Communications,
Vol. 34, No. 3, Aug. 2005, pp. 227-253.
J.W. Wilson and I.R. Chen, "Performance analysis of
location-based group membership and data
consistency algorithms in mobile ad hoc networks," International
Journal of Wireless and Mobile
Computing, Vol. 1, No. 8, 2005.
I.R. Chen, B. Gu, S. George and S.T. Cheng, "On failure
recoverability of client-server applications in mobile wireless
environments," IEEE Transactions on Reliability, Vol. 54, No. 1,
March 2005, pp. 115-122.
I.R. Chen, S.T. Li and I.L. Yen, "Adaptive QoS control based
on benet optimization for video servers providing diRerentiated
services," Journal of Multimedia Tools and Applications, Vol. 25,
pp. 167-185, 2005.
I.R. Chen, D.C. Wang and C.P. Chu, "Analyzing recongurable
algorithms for managing replicated data," Journal of Systems and
Software, Vol. 72, No. 3, 2004, pp. 417-430.
S.T. Li, I.R. Chen, H.C. Hsieh and I.L. Huang, The development
of web-based KTV services over campus broadband networks,"
Journal of Internet Technology, Vol. 5, No. 4, 2004, pp.
213-219.
S. Kim, F.B. Bastani, I.L. Yen and I.R. Chen, "Systematic
reliability analysis of a class of application specic embedded
software frameworks," IEEE Transactions on Software Engineering,
Vol. 30, No. 4, 2004, pp. 218-230.
D.C. Wang, I.R. Chen, C.P. Chu and I.L. Yen, "Replicated
object management with periodic maintenance in mobile wireless
systems," Wireless Personal Communications, Vol. 28, No.1, 2004,
pp. 17-34.
I.R. Chen and B. Gu, "Quantitative analysis of a hybrid
replication with forwarding strategy for ecient and uniform
location management in mobile wireless networks," IEEE
Transactions on Mobile Computing, Vol. 2, No.1, 2003, pp. 3-15.
I.R. Chen and N. Verma, "A cost-based admission control
algorithm for digital library multimedia systems storing
heterogeneous objects," The Computer Journal, Vol. 46, No. 6,
Oct. 2003, pp. 645-659.
I.R. Chen, D.C. Wang and C.P. Chu, "Analyzing user-perceived
dependability and performance characteristics of voting schemes
for managing replicated data," Distributed and Parallel
Databases, Vol. 14, No. 3, 2003, pp. 199-219.
S.T. Cheng, C.M. Chen and I.R. Chen, "Performance evaluation
of an admission control algorithm: dynamic threshold with
negotiation," Performance Evaluation, Vol. 52, No. 1, March
2003, pp. 1-13.
 Contact
Info
 E-
Mail: irchen@cs.vt.edu
 URL:
http://people.cs.vt.edu/~irchen
 Address:
Professor Ing-Ray Chen,
Department of Computer Science
Virginia Polytechnic Institute and State University
Northern Virginia Center
7054 Haycock Road, Room 438,
Falls Church, VA 22043
 Telephone/Fax:
Telephone: 703-538-8376
Fax: 703-538-8348
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