G. R. Dattatreya

 
   E-mail: datta@utdallas.edu
   Office: (972) 883-2189
G. R. Dattatreya received the B. Tech. degree in Electrical Engineering from the Indian Institute of Technology, Madras, M.E. in Electrical Communication Engineering, and Ph.D. from the Department of Computer Science and Automation, Indian Institute of Science, Bangalore, India. He is is currently an Associate Professor in the Department of Computer Science, Eric Jonsson School of Engineering and Computer Science. He has served as a Visiting Faculty in the Department of Computer Science, University of Maryland at College Park, in the Center for Artificial Intelligence, ITESM, Monterrey, Mexico, as a Consultant in the Purdue University's Malaysia Polytechnic Development Project, and as a Senior Scientist with the Scientific Analysis Group, Defence Research and Development Organizations, Delhi, India.

Research Interests

Research theme: Stochastic Modeling, Parameter Estimation, Optimization, and Simulation in Computer Systems and Networks and Signal Processing. Specific subtopics and application areas: (a) Cognitive and software defined radio, (b) Mobile ad hoc networks (MANETs), (c) Distributed sensor networks, (d) Medium access control (MAC) protocols, (e) Traffic engineering, (f) IT middleware, (g) Embedded systems, and (h) Decision trees for pattern recognition and data mining.

Fall 2007 Teaching

  • CS/CE 6352.001 Performance of Computer Systems and Networks
  • CS 4341.002 Digital Logic and Computer Design (Honors)

    Spring 2008 Teaching

  • CS/CE 6352.501 Performance of Computer Systems and Networks
  • CS 4341.001 Digital Logic and Computer Design

    Recent Funded Projects

    1. "Developing Advanced Middleware for Convergence of IT and Telecommunications" (with F. Bastani, L. Khan, and I. -L. Yen), Alcatel Networks, $ 227,500 for year 2004.
    2. "Graphical and Multi-Modal Proxy Server" (with F. Bastani and I. -L. Yen), Alcatel Networks, $ 113,000 for year 2003.
    3. "Graphical Proxy" (with F. Bastani), Alcatel Networks, $80,000, 2002.
    4. "Performance and Quality Studies in Telecommunications Products and Services for SBC" (with E. D. Harris and S. Ntafos), SBC Services, Inc., $38,737, 2002.
    5. "Server Load Balancing," Alcatel Networks, through UTD Embedded Software Center, $12,500, Fall 2001.
    6. "Router Interoperability Testing," Alcatel Networks, through UTD Embedded Software Center, $16,000, Summer 2001.
    7. "Development of telecommunication quality index project plan," through QuEST Forum funding to UTD, $ 8,000 for Summer 2001.

    Recent and Selected Earlier Publications

    1. G. R. Dattatreya, Performance Analysis of Queuing and Computer Networks. Text book, CRC Press, Boca Raton, Florida, 2008. To appear. [password protected pdf file]
    2. G. R. Dattatreya, "Decision Trees," To appear as a chapter in the text book Applications of Artificial Intelligence Methods in Environmental Science S.E. Haupt, C. Marzban, and A. Pasini, editors, Springer. [pdf]
    3. G. R. Dattatreya "Parameter and direction estimation of QAM transmitter for ELINT, cognitive radio, and MANETs," IEEE Military Communications Conference, Oct. 29 - 31, 2007, Orlando, FL.
    4. L. N. Singh and G. R. Dattatreya, "Channel and data estimation for ad hoc networks and cognitive radion," International Journal of Wireless Information Networks, vol. 14, issue 1, pp. 17 - 31, 2007 [pdf]
    5. L. N. Singh and G. R. Dattatreya, "Estimation of hyperexponential density with applications in sensor networks," International Journal of Distributed Sensor Networks, vol. 3, issue 3, pp. 311 - 330, 2007 [pdf]
    6. S. Kuppa and G. R. Dattatreya, "Modeling and analysis of frame aggregation in unsaturated WLANs with finite buffer stations," IEEE International Communications Conference (ICC 2006), Istanbul, Turkey, June 2006.[pdf]
    7. L. N. Singh and G. R. Dattatreya, "Gaussian mixture parameter estimation for cognitive radio and network surveillance applications," WSEAS Trans. Communications, vol. 5, 00. 423 - 428, Mar. 2006. [pdf]
    8. G. R. Dattatreya, "Estimation of peer-to-peer network's bursty-traffic parameters," WSEAS Trans. Computers, vol. 4 pp. 1725 - 1732, Dec. 2005. [pdf]
    9. G. R. Dattatreya and L. N. Singh, "Relationships among different models for discrete-time queues," WSEAS Trans. Systems, vol. 4, pp. 1183 - 1190, Aug. 2005. [pdf]
    10. G. R. Dattatreya and S. S. Kulkarni, "Performance of communication networks fielding bursty data traffic," Annual Review of Communications, vol. 57, Nov. 2004. [pdf]
    11. S. S. Kulkarni, G. R. Dattatreya, H. Martinez, and R. Soto, "Adaptive control of heterogeneous ad hoc networks," Wireless Communications and Mobile Computing, vol. 4, pp. 963 - 975, Dec. 2004 [pdf]
    12. S. S. Kulkarni and G. R. Dattatreya, "SMART: Statistically multiplexed adaptive routing techniques for ad hoc networks," Wireless Networks: The Journal of Mobile Communication, Computation, and Information. vol. 10, no. 2, March 2004. [pdf]
    13. G. R. Dattatreya and X. Fang, "Parameter estimation: Known vector signals in unknown Gaussian noise," Pattern Recognition. (36) 2003, 2317 - 2332. [postscript]
    14. G. R. Dattatreya, "Gaussian mixture parameter estimation with known means and unknown class-dependent variances," Pattern Recognition. (35) 2002, 1611 - 16162. [postscript]
    15. G. R. Dattatreya and R. Venkatesh, "Static and decentralized-adaptive load balancing in a star configured distributed computing system," IEEE Trans. Systems, Man, and Cybernetics - Part A, 26, (1996) 91-104.
    16. G. R. Dattatreya, "A systematic approach to teaching binary arithmetic in a first course," IEEE Trans. Education 36, (1993) 163-167. [Expanded version - pdf]
    17. L. N. Kanal and G. R. Dattatreya, "Pattern recognition," In S. C. Shapiro, Ed., Encyclopedia of Artificial Intelligence, Second Edition, NY: John Wiley, (1992) 1116-1129.
    18. G. R. Dattatreya and L. N. Kanal, "Asymptotically efficient estimation of prior probabilities in multiclass finite mixtures," IEEE Trans. Information Theory, 37 (1991) 482-489.