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.

Current and Recent Research Projects

  1. Contention-free medium access and performance optimization (MAC) in wireless networks
  2. Cognitive radio networks
  3. Detection and parameter estimation for ELINT, MANETs, and cognitive radio
  4. Detection and tracking of wireless transmitter targets, with two aircrafts flying in formation
  5. Adaptive multicasting in high speed airborne networks
  6. Analytical results on infinite and finite buffer queues input by bursty data traffic
  7. Data mining for E-Commerce, sensor fusion, and security

Fall 2008 Teaching

  • CS 4341.002 Digital Logic and Computer Design (Hons.)
  • CS 4341.501 Digital Logic and Computer Design
  • Accompanying laboratory CS 4141 will start after a few classes of CS4341

    Current and Recent Private Consulting

    1. Consultant (Summer 2008), Clean Earth Technlogies, Richardson, TX
    2. Consultant (2005 - 2007), Rockwell Collins, Richardson, TX
    3. Member, Technical Advisory Board (since Dec. 2007), Ampelion Networks, Bangalore, India

    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.

    Selected Publications

    1. G. R. Dattatreya, Performance Analysis of Queuing and Computer Networks. Text book, CRC Press, Boca Raton, Florida, 2008. [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. G. R. Dattatreya, "Estimation of peer-to-peer network's bursty-traffic parameters," WSEAS Trans. Computers, vol. 4 pp. 1725 - 1732, Dec. 2005. [pdf]
    8. 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]
    9. G. R. Dattatreya and S. S. Kulkarni, "Performance of communication networks fielding bursty data traffic," Annual Review of Communications, vol. 57, Nov. 2004. [pdf]
    10. 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]
    11. G. R. Dattatreya and X. Fang, "Parameter estimation: Known vector signals in unknown Gaussian noise," Pattern Recognition. (36) 2003, 2317 - 2332. [postscript]
    12. 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.
    13. G. R. Dattatreya, "A systematic approach to teaching binary arithmetic in a first course," IEEE Trans. Education 36, (1993) 163-167. [Expanded version - pdf]
    14. 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.
    15. 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.