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Publications by Dr. Roshdy H.M. Hafez

  • N. Movahhedinia, G. Stamatelos and R.H.M. Hafez "A Time-Slot assignment Strategy for ATM Broadband Indoor Wireless Networks," Wireless personal Communications 5: 89-111, 1997
  • P.R. Larijani, R.H.M.Hafez and I. Lambadaris, "Adaptive Access Control for Multimedia Traffic in CDMA Cell with Imperfect Power Control". 8th IEEE International Symposium on Personal, Indoor and Mobile Communications, PIMRC'97 ". Sept. 1997. Helsinky. Finland.
  • R.H.M. Hafez and G. Chan, "Measures of Spectrum Utilization", Special session on spectrum management issues. 1997 IEEE AP-S International Symposium and URSI North American Radio Science Meeting. July 1997. Montreal. Canada.
  • P.R. Larijani, R.H.M. Hafez and I. Lambadaris, "Joint Access Control and User Removal in Multimedia CDMA Cell", submitted for Globecom 1997
  • P.R. Larijani, R.H.M.Hafez and N. Movahedinia, "Admission control for multimedia CDMA". Wireless'96.  July 1996. Calgary. Canada.
  • G.R. Rajugopal, S.A. Mahmoud and R.H.M. Hafez, "Multi-resolution Motion Estimation at Low Bit Rate", IEEE Region 10 conf. on Digital Signal Processing Applications (TENCON'96). Nov. 1996. Perth. Australia.
  • N. Movahhedinia, G. Stamatelos and R.H.M. Hafez, "Non-Uniform Polling and Reservation Alternatives for Bandwidth Management in Broadband Wireless Networks", IEEE GLOBECOM'96, Nov. 1996. London. England.
  • G.R. Rajugopal, R.H.M. Hafez and S.A. Mahmoud, "Robust Zero-Tree Coding for Video Communications Over Mobile Networks", 2nd International Conf. on Personal, Mobile and Spread Spectrum Communications (ICPMSC'96). Dec. 1996. Hong Kong.
  • N. Movahhedinia, G. Stamatelos and R.H.M. Hafez, "Time Slots Assignment Strategies for Indoor Broadband Wireless Systems", IEEE GLOBECOM'95, Nov. 1995.
  • N. Movahhedinia, G. Stamatelos and R.H.M. Hafez, "Polling-based Multiple Access for Indoor Broadband Wireless Systems", The sixth International Conf. on Personal, Indoor and Mobile Radio Communications (PIMRC'95), Sep. 1995
  • F. Hendessi, A.U.H. Sheikh and R.H.M. Hafez, "Capacity Improvement of Microcellular Systems Using Signal Cyclic Spectral Properties", The sixth International Conf. on Personal, Indoor and Mobile Radio Communications (PIMRC'95), Sep. 1995
  • S. Arcand, K.M.S. Murthy and R.H.M. Hafez, "Load Sharing Algorithms for Hybrid Mobile Networks", International Mobile Satellite Conference (IMS'95). June 1995.
  • M.S. El-Tanany, R.H.M. Hafez and G. Chan, "Inter-system Interference Modeling for Land Mobile Systems", Canadian Conf. on Elec. and Computer Eng. Sep. 1995
  • D.Yu, D.D. Falconer and R.H.M. Hafez, "Interference Characteristics of TDMA In-building Wireless Systems", ICUPC'94, Sep. 1994. San Diego. USA.
  • S. Golestaneh, R.H.M. Hafez and S.A. Mahmoud, "The Effect of Adjacent Channel Interference on the Capacity of FDMA Cellular Systems", IEEE Transactions on Vehicular Technology, Vol. 43, No. 4, November, 1994, pp. 946-954.
  • C.G. Zhang, R.H.M. Hafez and David D. Falconer "Traffic Handling Capability of a Broadband Indoor Wireless Network Using CDMA Multiple Access", Journal on Selected Areas in Communications , Vol. 12, No. 4, May, 1994.
  • C.G. Zhang, R.H.M. Hafez and D.D. Falconer, "A Broadband Indoor Wireless Network Using CDMA Multiple Access", IEEE Journal on Selected Areas in Communications, Special Issue on Code Division Multiple Access Networks ,May, 1994, pp. 645-653.
  • R.A. Goubran, R.H.M. Hafez and A.U.H. Sheikh, "Implementation of a Real-Time Mobile Channel Simulator on a DSP Chip", IEEE Transactions on Instrumentation and Measurement ,Vol. 40, No. 3, August, 1991.
  • J.F. Lemieux, M. El-Tanany and R.H.M. Hafez, " Experimental Evaluation of Frequency, Space and Polarization Diversity of Indoor Radio Channels", IEEE Transactions on Vehicular Technology , Vol. 40, No. 3, August, 1991.
  • R.H.M. Hafez, S. Towaij and R.A. Goubran, "The Effect of User's Geographical Distribution on the Utilization of Radio Spectrum", IEEE Transactions on Electromagnetic Compatibility , Vol. 32, No. 4, November, 1990.
  • G. Boudreaux and R.H.M. Hafez, "Range Prediction for Indoor Wireless Systems", Wireless '94 , Calgary, AB, Canada, July, 1994.
  • D. Yu, D.D. Falconer and R.H.M. Hafez, "Traffic Capacity Studies of TDMA In-building Wireless Systems", ICUPC'93 , Ottawa, ON, Canada, October, 1993, page 696.
  • V.R.M. Thyagarajan, R.H.M. Hafez and D.D. Falconer, "Broadband Indoor Wireless Communications in the (20-60) Ghz Band: Signal Strength Considerations", ICUPC'93 , Ottawa, ON, Canada, October, 1993, pp. 894-899.
  • R.H.M. Hafez, D.D. Falconer, G Stamatelos and S.A. Mahmoud, "Fundamental Issues in Indoor Millimeter Wave Systems", Wireless '93 , Calgary, AB, Canada, July, 1993.
  • R.A. Goubran, R.H.M. Hafez and A.W. Lawrence, "Digital Signal Processing Applications in IMS", International Symposium on Ion Mobility Spectrometry , Quebec City, QC, Canada, August, 1993.
  • A.W. Lawrence, R.A. Goubran and R.H.M. Hafez, "Signal Improvement in Ion Mobility Spectrometry", SPIE - The International Society for Optical Engineering, Symposium on Application of Signal and Image Processing in Explosive Detection Systems ,Boston, MA, U.S.A., May, 1992, SPIE Vol. 1824, pp. 97-108.
  • K. Islam, R.H.M. Hafez and D.C. Coll, "Cyclic Spectral Analysis of Direct Sequence Spread Spectrum Signals", Proceedings of the 1993 Vehicular Technology Conference , May, 1993.
  • F. Hendessi, R.H.M. Hafez and A.U.H. Sheikh, "The Structure and Performance of FRESH-Decision Feedback Equalizers in the Presence of Adjacent Channel Interference", Proceedings of the 1993 Vehicular Technology Conference , May, 1993.
  • V.R.M. Thyagarajan and R.H.M. Hafez, "Traffic Study of TDMA/TDD in Millimeter Wave Indoor Wireless Communications", Proceedings of the 3rd Intern. Symposium on Personal Indoor Wireless Communications , Boston, MA, U.S.A., October, 1992.
  • S. Golenstaneh, R.H.M. Hafez and S.A. Mahmoud, "Adjacent Channel Interference Reduction Using Decision Feedback Equalizers", Proceedings of the 16th Biennial Symposium on Communications , Kingston, May, 1992.
  • R.H.M. Hafez and G. Nehme, "The Capacity of a Single Channel Slotted ALOHA in a Multipath Cellular Radio System", Proceedings of the Canadian Conference on Electrical and Computer Engineering , IEEE sponsors, Quebec City, QC, Canada, 1991.
  • N.W.K. Lo and R.H.M. Hafez, "Neural Networks Channel Equalization", Proceedings of the IJCNN'92 , Baltimore, MD, U.S.A., June, 1992.
  • J.P. DeCruyenaere and R.H.M. Hafez, "A Comparison Between Kalman Filters and Re-Current Neural Networks", Proceedings of the IJCNN'92 , Baltimore, MD, U.S.A., June, 1992.
  • R.H.M. Hafez and G. Chan, "Interference Reduction Using Neural Networks", Proceedings of the CCEC Conference Quebec City, QC, 1991.
  • L.L. Lipoth, R.H.M. Hafez and R.A. Goubran, "ERG Based Classification of Eye Diseases Using Neural Networks", 13th International Conference of the IEEE Engineering in Medicine and Biology Society , 1991.
  • R. Hebert, R.A. Goubran and R.H.M. Hafez, "Analysis of Background Acoustic Noise in Cars", Canadian Conference on Electrical and Computer Engineering , Ottawa, ON, Canada, September, 1990.
  • R.A. Goubran, R. Hebert and R.H.M. Hafez, "Acoustic Noise Suppression Using Regressive Adaptive Filtering", IEEE Vehicular Tech. Conference ,Orlando, FL, U.S.A., May, 1990.
  • E.N. Hum, A.U.H. Sheikh and R.H.M. Hafez, "Performance Evaluation of Burst Trapping Codes for Land Mobile Radio Channels", DMR IV , Oslo, Norway, 1990.
  • L. Boucher and R.H.M. Hafez, "Evaluation of VHF FM, SSB and ACSSB Radio Systems in the Interference Context of the Land Mobile Bands", Proceedings of the 40th IEEE Vehicular Technology Conference , May, 1990.