Refereed Conference Papers

1. G. Csanyi-Fritz, D. Shpak and L.T. Bruton, “CMOS integrator module for real-time digital filter applications,” 1984 Canadian Conf. on VLSI Technical Digest, Edmonton, pp. 5.160-5.163, 1984.

2. L.T. Bruton and D.J. Shpak, “Image enhancement using spatially-variant two-dimensional recursive filters,” IEEE International Symposium on Circuits and Systems, Montreal, pp. 1038-1041, 1984.

3. D. J. Shpak and A. Antoniou, “Two robust Remez methods for the design of FIR digital filters meeting prescribed specifications,” IEEE International Symposium on Circuits and Systems, Helsinki, pp. 47-51, 1988.

4. D.J. Shpak and A. Antoniou, “Beamsteering using elements with complex gains,” Canadian Conference on Electrical and Computer Engineering, Vancouver, pp. 227-230, 1988.

5. D.J. Shpak and A. Antoniou, “Discrete linear array shading using Chebyshev optimization,” Canadian Conf. on Electrical and Computer Engineering, Vancouver, pp. 371-374, 1988.

6. D.J. Shpak and A. Antoniou, “Nearly circularly symmetric, computationally efficient 2-D digital lowpass filters realized by cascading four 1-D digital filters,” Canadian Conference on Electrical and Computer Engineering, Vancouver, pp. 629-632, 1988.

7. D.J. Shpak, “A weighted-least-squares matrix decomposition method with application to the design of two-dimensional digital filters,” IEEE 33rd Midwest Symposium on Circuits and Systems, Calgary, pp. 1070-1073, Aug. 1990.

8. D.J. Shpak, “The analytical design of biquadratic parametric filters,” IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, Victoria, pp. 649-652, May, 1991.

9. D.J. Shpak, “A transformation method for the design of two-dimensional circularly-symmetric FIR digital filters,” IEEE International Symposium on Circuits and Systems, Singapore, pp. 2475-2478, June, 1991.

10. S. Subramanian, D.J. Shpak, P.S.R. Diniz, and A. Antoniou, “The performance of adaptive filtering algorithms in a simulated HDSL environment,” Proc. of Can. Conf. on Electrical and Computer Engineering, Toronto, pp. TA 2.19.1-4, Sept. 1992.

11. S. Subramanian, D.J. Shpak, and A. Antoniou, “Adaptive filtering for HDSL equalizers,” IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, Victoria, pp. 346-349, May 1993.

12. D. Bhattacharya, S. Subramanian, D. Shpak, A. Antoniou, “VLSI design of echo cancelers for the HDSL system,” Can. Conf. on Electrical and Computer Engineering, Vancouver, pp. 1180-1183, Sept. 1993.

13. D.J. Shpak, “A fast method for the design of optimal linear array functions with prescribed nulls,” IEEE Oceans '93, Victoria, pp. 231-236, Oct. 1993.

14. M. Fahmi, F. El-Guibaly, E. Abdel-Raheem, A. Tawfik and D. Shpak, “Area-time efficient fixed point multiplier-accumulators for inner-product computation,” IEEE International Conference on Microelectronics, Dhahran, Saudi Arabia, pp. 185-188, Dec. 1993.

15. M. N. Fahmi, F. El-Guibaly, S. Sunder, and D. Shpak, “Design of novel serial-parallel inner-product processors,” IEEE International Symposium on Circuits and Systems, London, pp. 4.55-4.58, May, 1994.

16. R.L. Kirlin, B.A. Hedstrom, S. Subramanian, and D.J. Shpak, “Robust array processing for DOA estimation with widely spaced sensors,” IEEE Seventh SP Workshop on Statistical Signal and Array Processing, Quebec City, pp. 173-176, June, 1994.

17. S. Subramanian, M.L.R. de Campos, D.J. Shpak, and A. Antoniou, “A robust quasi-Newton adaptive filtering algorithm for digital cellular radio,” International Conference on Signal Processing Applications & Technology, Dallas, pp. 328-333, Oct., 1994.

18. S. Subramanian, D. J. Shpak, and A. Antoniou, “Performance of a quasi-Newton adaptive filtering algorithm for a CDMA indoor wireless system,” IEEE International Symposium on Circuits and Systems, Seattle, pp. I.89-I.92, May 1995.

19. S. Subramanian, M. de Campos, D.J. Shpak, and A. Antoniou, “Investigation of the autocorrelation matrix in the presence of correlated co-channel interference in indoor wireless networks,” IEEE Pacific Rim Conference on Communications, Computers and Signal Process., Victoria, pp. 165-168, May 1995.

20. A. Sabaa, F. El-Guibaly, E. Manning, and D. Shpak, “A new protocol for flow control in ATM networks,” IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, Victoria, pp. 96-99, May 1995.

21. F. El-Guibaly, A. Almulhem, A. Sabaa, and D. Shpak, “A high speed CORDIC algorithm,” IEEE Pacific Rim Conf. on Comm., Computers and Signal Process., Victoria, pp. 485-488, May 1995.

22. H. El-Gebaly, A. Sabaa, J. Muzio, F. El-Guibaly, and D. Shpak, “Performance evaluation of a window-based approach for ATM cell scheduling,” Canadian Conference on Electrical and Computer Engineering, Montreal, pp. 36-39, Sept. 1995.

23. A. Sabaa, H. El-Gebaly, F. El-Guibaly, J. Muzio, and D. Shpak, “Implementation of a window-based scheduler in an ATM switch,” Canadian Conference on Electrical and Computer Engineering, Montreal, pp. 32-35, Sept. 1995.

24. D.J. Shpak, “An improved method for the design of linear arrays with prescribed nulls,” Oceans ‘95 MTS/ IEEE, San Diego, vol. 2, pp. 1303-1310, October 1995.

25. F. El-Guibaly, A. Sabaa, and D. Shpak, “A new shift-register based ATM switch”, Emerging Technologies and Applications in Communications, Portland, OR, p. 24-28, May 1996.

26. S. Subramanian, D.J. Shpak, and A. Antoniou, “Performance of a multiple-antenna-multiple-equalizer system for a CDMA indoor wireless system,” Bienniel Symposium on Communications, Kingston, Canada, pp. 211-215, June 1996.

27. S. Subramanian, D.J. Shpak, and A. Antoniou, “An indoor wireless system strategy based on a multiple-antenna-multiple-equalizer system,” IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, Victoria, pp. 206-209, August 1997.

28. S. Subramanian, D.J. Shpak, and A. Antoniou, “Interference supression in a multiple-antenna-multiple-equalizer system for CDMA indoor wireless communications,” IEEE Pacific Rim Conf. on Communications, Computers and Signal Processing, Victoria, pp. 202-205, August 1997.

29. N. Ko, D.J. Shpak, and A. Antoniou, “Design of recursive delay equalizers using constrained optimization,” IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, Victoria, pp. 173-177, August, 1997.

30. J. Singh, A. Antoniou, and D.J. Shpak, "Hardware implementation of a wavelet based image compression coder," IEEE Symposium on Advances in Digital Filtering and Signal Processing, Victoria, pp. 169-173, June 1998.

31. J. Singh, A. Antoniou, and D. J. Shpak, "A distributed memory and control architecture for 2-D wavelet transform", IEEE International Symposium on Circuits and Systems, Orlando, v. 3, pp. 387-390, June 1999.

32. D. Sasmal, W.-S. Lu, D. Shpak, and A. Antoniou, “Interpolation techniques for a LIDAR profiler system,” IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, Victoria, pp. 185-188, August, 1999.

33. J. Singh, A. Antoniou, and D. J. Shpak, “A systolic array architecture for inverse discrete wavelet transform,” IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, Victoria, pp. 193-196, August, 1999.

34. D.J. Shpak, “Designing FIR digital filters having exact in-band values”, 14th International Conference on Digital Signal Processing, Santorini, vol. 1, pp. 281-284, July 2002.

35. D.J. Shpak, A. Omran, and P.-C. Tang, “Direct encapsulation of IP within SONET for metro and access services”, 18th National Fiber Optics Engineers Conference, Dallas, pp. 1676-1685, Sept. 2002.

36. R. Nongpiur, D.J. Shpak, and A. Antoniou, “Near-end crosstalk cancellation in xDSL systems”, 36th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, vol. 1, pp. 393-397, 2002.

37. R.C. Nongpiur, D.J. Shpak, and A. Antoniou, “NEXT cancellation in xDSL systems using variable-length cancellers,” IEEE International Symposium on Circuits and Systems, Bangkok, vol. 4, pp. 345-348, May 2003.

38. R.C. Nongpiur, D.J. Shpak, and A. Antoniou, “Application of NLMS, PNLMS, and i-PNLMS algorithms for NEXT cancellation in xDSL systems,” IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, Victoria, pp. 418-421, August 2003.

39. D.J. Shpak, “Design of mixed-norm FIR filters using an unconstrained least-pth algorithm,” IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, Victoria, pp. 253-255, August 2003.

40. D.J. Shpak, P.-C. Tang, and E.G. Manning, “Supporting everything-on-demand in cable services,” 19th National Fiber Optics Engineers Conference, Orlando, pp. 1458-1464, Sept. 2003.

41. R.C. Nongpiur, D.J. Shpak, and A. Antoniou, “NEXT cancellers using FDLMS filters with improved convergence rate,” 37th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, vol. 1. pp. 576 - 580, Nov. 2003.

42. R.C. Nongpiur, D.J. Shpak, and A. Antoniou, “Tracking performance of an FDLMS near-end crosstalk canceller for xDSL systems,” IEEE International Symposium on Circuits and Systems, Vancouver, vol. 3, pp. 261-264, May, 2004.

43. T. Darcie, E. Manning, D. Shpak, and N. Tzonev, “Emerging SONET-Based Solutions for Cable Network Evolution,” 2004 National Cable & Telecommunications Association Technical Papers, New Orleans, pp. 97-106, May, 2004.

44. B. Riel, D. Shpak, and A. Antoniou, “Oversampled biorthogonal cosine-modulated filter bank realization using a critically-constrained lifting scheme,” Northeast Workshop on Circuits and Systems, Montreal, pp. 285-288, June 2004.

45. B. Riel, D. Shpak, and A. Antoniou, “Lifting-based design and implementation of oversampled paraunitary modulated filter banks,” IEEE International Midwest Symposium on Circuits and Systems, Hiroshima, v. 2, pp. 97-100, July 2004.

46. T. Ducharme, D.J Shpak, N. Tzonev, T.E. Darcie, E.G. Manning, and A. Shoja, “IP Frame Switching: A Third-Generation SONET Technology,” Optical Fiber Communication Conference & Exposition and the National Fiber Optic Engineers Conference, Anaheim, March, 2005.

47. R. C. Nongpiur, D. J. Shpak, and A. Antoniou, “Average power sum of the near-end crosstalk couplings after near-end crosstalk cancellation,” accepted for presentation at the IEEE International Symposium on Circuits and Systems, Kos, Greece, May 2006.


April 2008