Library

Cellular Systems

Publications:

1. Chunlong Bai (supervisors: Dr. Witold A. Krzymien and Dr. Ivan J. Fair), "Improved Forward Error Control Decoding and Hybrid ARQ Techniques for Wireless Systems", Ph.D. Thesis, Department of Electrical and Computer Engineering, University of Alberta, March 2008.


2. Ge Li (supervisors: Dr. W.A. Krzymien and Dr. I.J. Fair), "Analysis, Design, and Application of Nonbinary Low-Density Parity-Check Codes", Ph.D. Thesis, Department of Electrical and Computer Engineering, University of Alberta, September 2007.


3. Robert Novak and Witold A. Krzymien, "Diversity Combining Options and Low-Complexity MMSE Equalization for Spread Spectrum OFDM Systems in Frequency Selective Fading Channels", Wireless Communications - An International Journal (Springer), Vol. 41, No. 2, pp. 281-300, April 2007.


4. Jia Liu and Witold A. Krzymien, "A Novel Nonlinear Precoding Algorithm for the Downlink of Multiple Antenna Multi-user Systems", Wireless Personal Communications, Vol. 41, No. 2, pp. 207-223, April 2007.


5. Bartosz Mielczarek and Witold A. Krzymien, "Influence of CSI Feedback Errors on Capacity of Linear Multi-user MIMO Systems", 65th IEEE Vehicular Technology Conference 2007 (VTC '07 Spring), Dublin, Ireland, April 2007.


6. Robert C. Elliott and Witold A. Krzymien, "Downlink Scheduling for Multiple Antenna Systems with Dirty Paper Coding via Genetic Algorithms", IEEE 65th Vehicular Technology Conference (VTC '07 Spring), Dublin, Ireland, April 2007.


7. Jean-Francois Bousquet, Geoffrey G. Messier and Sebastian Magierowski, "IEEE 802.11b SDMA Performance in Realistic Environments", IEEE 65th Vehicular Technology Conference Spring (VTC2007-spring), Dublin, Ireland, pp. 539-543, April 2007.


8. Shreeram Sigdel and Witold A. Krzymien, "Simplified Antenna Selection and User Scheduling for Orthogonal Space-Division Multiplexing", IEEE Wireless Communications and Networking Conference(WCNC'07), Hong Kong, pp. 1728-1733, March 2007.


9. Yu Fu, Chintha Tellambura and Witold A. Krzymien, "Precoding for Multiuser Orthogonal Space-Time Block-Coded OFDM Downlink Over Spatially-Correlated Channels", IEEE Wireless Communications and Networking Conference (WCNC '07), Hong Kong, pp. 1307-1312, March 2007.


10. Bartosz Mielczarek and Witold A. Krzymien, "Influence of CSI Feedback Delay on Capacity of Linear Multi-User MIMO Systems", IEEE Wireless Communications and Networking Conference 2007(WCNC '07), Hong Kong, pp. 1188-1192, March 31-April 3, 2007.


11. Chunlong Bai, Bartosz Mielczarek, Witold A. Krzymien and Ivan J. Fair, "Improved Analysis of List Decoding and Its Application to Convolutional Codes and Turbo Codes", IEEE Transactions on Information Theory, Vol. 53, No. 2, pp. 615-627, February 2007.


12. Yu Fu, Chintha Tellambura and Witold A. Krzymien, "Transmitter Precoding for ICI Reduction in Closed-Loop MIMO OFDM Systems", IEEE Transactions on Vehicular Technology, Vol. 56, No. 1, pp. 115-125, January 2007.


13. Boon Chin Lim, Christian Schlegel and Witold A. Krzymien, "Sum Rate Maximization and Transmit Power Minimization for Multi-User Orthogonal Space Division Multiplexing", IEEE GLOBECOM 2006, San Francisco, USA, November 27-December 1, 2006.


14. Mohsen Eslami and Witold A. Krzymien, "Turbo Coded MC-CDM Communications with Spatial Multiplexing", IEEE GLOBECOM 2006, San Francisco, CA, USA, November 27-December 1, 2006.


15. Chunlong Bai, Bartosz Mielczarek, Ivan J. Fair and Witold A. Krzymien, "Turbo Coded Type-II H-ARQ Scheme with Incremental Redundancy Using Sub-Block Recovery", IEEE GLOBECOM 2006, San Francisco, CA, USA, November 27-December 1, 2006.


16. Boon Chin Lim, Witold A. Krzymien and Christian Schlegel, "User Selection Methods for Multi-User Downlinks with Multiple-Antenna Terminals", IEEE International Conference on Communication Systems (ICCS '06), Singapore, October 30-November 1, 2006.


17. Yu Fu, Witold A. Krzymien and Chintha Tellambura, "Transmitter Precoding for Orthogonal Space-Time Block-Coded OFDM in Transmit-Antenna and Path-Correlated Channels", IEEE Vehicular Technology Conference (VTC'06-Fall), Montreal, PQ, September 2006.


18. Mohsen Eslami and Witold A. Krzymien, "An Efficient Detector for Spatially Multiplexed MC-CDM Communications", IEEE Vehicular Technology Conference (VTC'06 Fall), Montreal, PQ, September 2006.


19. Shreeram Sigdel and Witold A. Krzymien, "Antenna and User Subset Selection in Downlink Multiuser Orthogonal Space-Division Multiplexing", International Symposium on Wireless Personal Multimedia Communications (WPMC'06), San Diego, CA, pp. 671-675, September 17-20, 2006.


20. Bartosz Mielczarek and Witold A. Krzymien, "Comparison of Partial CSI Encoding Methods in Multi-User MIMO Systems", International Symposium on Wireless Personal Multimedia Communications (WPMC 2006), San Diego, Ca, USA, pp. 680-685, September 17-20, 2006 .


21. Jia Liu and Witold A. Krzymien, "Minimum Bit-Error Rate Design of Zero-Forcing Criterion Based Tomlinson-Harashima Precoding for Multi-User MIMO Downlinks", International Symposium on Wireless Personal Multimedia Communications (WPMC 2006), San Diego, Ca, USA, pp. 721-725, September 17-20, 2006.


22. Boon Chin Lim, Witold A. Krzymien and Christian Schlegel, "Impact of Receive Antenna Selection on Scheduling for Orthogonal Space Division Multiplexing", International Symposium on Wireless Personal Multimedia Communications (WPMC 2006), San Diego, CA, USA, pp. 840-844, September 17-20, 2006.


23. Kevin R. Jacobson and Witold A. Krzymien, "Realistic Throughput of Cellular Multi-Hop Relay Networks With Spatial Reuse", WPMC 2006, San Diego, CA, pp. 966-970, September 17-20, 2006.


24. K.R. Jacobson and W.A. Krzymien, "Cell Dimensioning and Network Throughput in Cellular Multi-Hop Relay Networks", Proceedings of the Vehicular Technology Conference, Fall 2006 (VTC '06), Montreal, PQ, September 2006.


25. Bartosz Mielczarek and Witold A. Krzymien, "Vector Quantization of Channel Information in Linear Multi-User MIMO Systems", IEEE Ninth International Symposium on Spread Spectrum Techniques & Applications (ISSSTA '06), Manaus, Brazil, pp. 302-306, August 28-31, 2006 .


26. Jia Liu and Witold A. Krzymien, "A Minimum Mean-Square Error Criterion Based Nonlinear Joint Transmitter-Receiver Processing Algorithm for the Downlink of Multi-User MIMO System", IEEE Vehicular Technology Conference (VTC '06 Spring), Melbourne, Australia, pp. 1982-1987, May 7-10, 2006.


27. Boon Chin Lim, Christian Schlegel and Witold A. Krzymien, "Efficient Receive Antenna Selection Algorithms and Framework for Transmit Zero-Forcing Beamforming", IEEE Vehicular Technology Conference (VTC '06 Spring), Melbourne, Australia, pp. 2241-2245, May 7-10, 2006.


28. Geoffrey G. Messier and Witold A. Krzymien, "Performance of Turbo Coding With Improved Interference Estimation on the CDMA Space Time Transmit Diversity Forward Link", IEEE Transactions on Vehicular Technology, Vol. 55, No. 3, pp. 1074-1079, May 2006.


29. Ge Li, Ivan J. Fair and Witold A. Krzymien, "Low-density Parity-Check Codes for Space-Time Wireless Transmission", IEEE Transactions on Wireless Communications, Vol. 5, No. 2, pp. 312-322, February 2006.


30. Robert Novak (supervisor: Dr. Witold A. Krzymien), "Adaptive Spread Spectrum OFDM High Throughput Cellular Data Systems", Ph.D. Thesis, Department of Electrical & Computer Engineering, University of Alberta, January 2006.


31. Geoffrey G. Messier and Witold A. Krzymien, "Improved Channel Decoding for the CDMA Forward Link Chip-Level LMMSE Receiver", IEEE Transactions on Vehicular Technology, Vol. 55, No. 1, pp. 405-410, January 2006.


32. Dusit Niyato and Ekram Hossain, "Connection Admission Control Algorithms for OFDM Wireless Networks", IEEE GLOBECOM 2005, St. Louis, MO, Vol. 5, pp. 2455-2459, Nov 28-Dec 02, 2005.


33. Dusit Niyato and Ekram Hossain, "Call-Level and Packet-Level Performance Modeling in Cellular CDMA Networks", IEEE GLOBECOM 2005, St. Louis, MO, Vol. 5, pp. 2450-2454, Nov 28-Dec 02, 2005.


34. Dusit Niyato, Rajesh Palit, Sastri Kota and Ekram Hossain, "Call-Level and Packet-Level Performance Analysis of Call Admission Control and Adaptive Channel Allocation in Cellular Wireless Networks", IEEE GLOBECOM 2005, St. Louis, MO, Vol. 5, pp. 2627-2631, November 28-December 2, 2005.


35. Dusit Niyato and Ekram Hossain, "Queueing Analysis of OFDM/TDMA Systems", IEEE GLOBECOME 2005, St. Louis, MO, Vol. 6, pp. 3712-3716, Nov 28-Dec 02, 2005.


36. Qian Wang (supervisor: Dr. Attahiru Alfa), "Reverse Link Scheduling and Data Rate Allocation Scheme for CDMA2000 1xEV-DV: An Alternative Approach", M.Sc. Thesis, Department of Electrical and Computer Engineering, University of Manitoba, November 2005.


37. Shirley Mayadewi (supervisor: Dr. A. Alfa), "Dynamic Scheduling and Resource Allocation in the Forward Link of CDMA2000 1xEV-DV", M.Sc. Thesis, Department of Electrical and Computer Engineering, University of Manitoba, Nov. 2005.


38. Yu Fu, Chintha Tellambura, and Witold A. Krzymien, "Non-Linear Limited-Feedback Precoding for ICI Reduction in Closed-Loop Multiple-Antenna OFDM Systems ", Proceedings of IEEE GLOBECOM 2005, St. Louis, USA, No. WC21-4, pp. 3087-3091, November 2005.


39. Chunlong Bai, Bartosz Mielczarek, Ivan J. Fair and Witold A. Krzymien , "Improved Analysis of List Decoding and Its Application to Convolutional Codes ", Proceedings of IEEE GLOBECOM 2005, St. Louis, USA, No. GC12-2, pp. 369-374, November 2005 .


40. David Mazzarese (supervisors: Dr. Ivan Fair and Dr. Witold A. Krzymien), "High Throughput Wireless Downlink Packet Data Access with Multiple Antennas and Multi User Diversity", Ph.D. Thesis, Department of Electrical and Computer Engineering, University of Alberta, October 2005.


41. Teerawat Issariyakul (supervisor: Dr. Ekram Hossain), "Scheduling and Error Control in Cellular and Multi-hop Wireless Networks Analysis and Optimization", Ph.D. Thesis, Department of Electrical and Computer Engineering, University of Manitoba, September 2005.


42. Robert Elliott, Alexander Arkhipov, Ronald Raulefs and Witold A. Krzymien, "Effective SINR Mapping for an MC-CDMA System", 5th International Workshop on Multi-Carrier Spread-Spectrum, Oberpfaffenhofen, Germany, September 14-16, 2005 (published as K. Fazel & S. Kaiser (Eds) Multi-Carrier Spread-Spectrum. Dordrecht, The Netherlands: Springer 2006).


43. Bartosz Mielczarek and Witold A. Krzymien, "Throughput of Heterogeneous Multicell Multi-user MIMO-OFDM Systems", 5th International Workshop on Multi-Carrier Spread-Spectrum, Oberpfaffenhofen, Germany, September 14-16, 2005 (published as K. Fazel & S. Kaiser (Eds) Multi-Carrier Spread-Spectrum. Dordrecht, The Netherlands: Springer 2006).


44. Ha H. Nguyen and Nghi H. Tran, "Bonferroni-Type Bounds for CDMA with Nonuniform Signalling", IEEE Communication Letters, vol. 9, no. 7, pp 583-585, July 2005.


45. Kevin R. Jacobson, Witold A. Krzymien, "Minimizing Co-Channel Interference in Wireless Relay Networks", International Conference on Wireless Communications (Wireless'05), Calgary, AB, pp. 339-346, July 11-13, 2005.


46. Yu Fu, Witold A. Krzymien, Chintha Tellambura, "Multiuser and Intercarrier Interference Suppression in OFDM Downlink", 2005 IEEE International Workshop on Convergent Technologies (IWCT'05), Oulu, Finland, 5 pgs., June 2005.


47. David J. Mazzarese, Witold A. Krzymien, "Design Rules for Efficient Scheduling of Packet Data on Multiple Antenna Downlink", 14th IST Wireless and Mobile Communications Summit (IST 2005), Dresden, Germany. Vol. 1, No. 1, June 2005.


48. Dusit Niyato, Ekram Hosssain, "Analysis of Fair Scheduling and Connection Admission Control in Differentiated Services Wireless Networks", International Conference on Communications 2005 (ICC'05), Seoul, Korea, May 16-20, 2005.


49. Dusit Niyato, Ekram Hossain, Attahiru S. Alfa, "Performance Analysis and Adaptive Call Admission Control in Cellular Mobile Networks with Time-Varying Traffic", International Conference on Communications 2005 (ICC '05), Seoul, Korea, May 16-20, 2005.


50. Bartosz Mielczarek and Witold Krzymien, "Soft Parallel Decoding of Per-Antenna-Coded MIMO Systems", 2005 IEEE International Conference on Communications (ICC'05), Seoul, Korea, pp. 2256-2260, May 2005.


51. Gabriele Dona, Witold A. Krzymien, "MMSE Channel Estimation Using Two-Dimensional Filtering in Rapid Time-Variant Environments", Proceedings of 2005 IEEE Vehicular Technology Conference (VTC'05-Spring), Stockholm, Sweden, pp. 490-494, May 2005.


52. Bartosz Mielczarek and Witold Krzymien, "Flexible Channel Feedback Quantization in Multiple Antenna Systems", Proceedings of 2005 IEEE Vehicular Technology Conference (VTC'05-Spring), Stockholm, Sweden, Vol. 1, pp. 620-624, May 2005.


53. Yu Fu, Witold A. Krzymien, Chintha Tellambura, "Transmitter Precoding for ICI Reduction in OFDM Systems", Proceedings of the 2005 IEEE Vehicular Technology Conference (VTC'05-Spring), Stockholm, Sweden, pp. 1788-1792, May 2005.


54. Geoffrey G. Messier, Witold A. Krzymien, "Improving channel Decoder Performance on the CDMA Forward Link", IEEE Transactions on Wireless Communications, vol.4, no.3, pp 1064-1072, May 2005.


55. Dusit Niyato (supervisor: Dr. E. Hossain), "Call Admission Control, Bandwidth Adaptation, and Scheduling in Cellular Wireless Internet: Analytical Models and Performance Evaluation", M.Sc. Thesis, University of Manitoba, Department of Electrical and Computer Engineering, 2005.


56. Anthony C.K. Soong, Witold A. Krzymien, Young C. Yoon, "CDMA2000 Evolution: 1x EV-DV", Guest Editorial for the Special Feature Topic, IEEE Communications Magazine, pp. 34-35, April 2005.


57. Dusit Niyato, Ekram Hossain, Attahiru S. Alfa, "Performance Analysis of Multi-Service Wireless Cellular Networks with MMPP Call Arrival Patterns", GLOBECOM 2004, Dallas, TX, USA, Vol. 5, pp. 3078-3082, November 29-December 3, 2004.


58. Eric Haas, Witold A. Krzymien , "Coherent OFDM Receiver with Two-dimensional Decision-feedback Pilot and Data Symbol Correction ", Proceedings of the 9th International OFDM Workshop, (OFDM '04), Dresden, Germany, September 2004.


59. Shreeram Sigdel, Witold A. Krzymien, "Performance of Cellular MIMO Spatial Multiplexing Downlink Systems with Transmit Antenna Selection ", Proceedings of IEEE WPMC 2004, Aalborg, Denmark, pp 624-628, September 2005.


60. E. Haas, B. Mielczaarek, W.A. Krzymien, "Improved Channel Estimation Methods for Turbo Coded OFDM Systems", Proceedings of the IEEE Wireless Personal Media Communications (WPMC'04), Abano Terme, Italy, vol. 3, pp 392-396, September 2004.


61. B. Mielczarek, W.A. Krzymien, "Throughput of Realistic Multi-User MIMO-OFDM Systems", International Symposium on Spread Spectrum Techniques and Applications, Sydney, Australia, pp 434-438, September 2004.


62. J. Lau, A.O. Fapojuwo, "Impact of Traffic Loading and Resource Management Schemes on CDMA2000 Network Performance", Wireless 2004 proceedings, Calgary, Alberta, pp. 491-499, July 12-14, 2004.


63. Ekram Hossain and Nadim Parvez, "Enhancing TCP Performance in Wide-Area Cellular Wireless Networks", Wireless Communications & Mobile Computing Systems, Chapter 9, May 2004.


64. Robert Novak, Witold A. Krzymien, "Efficient Packet Data Service in a Spread Spectrum OFDM Cellular System with 2-Dimensional Radio Resource Allocation", European Transactions on Telecommunications; Special Issue on Multi-Carrier Spread-Spectrum, Vol. 15, Issue 5, pp 185-199, May/June 2004.


65. Ekram Hossain, Teerawat Issariyakul, "Performance Bound of Dynamic Forward Link Adaptation in Cellular WCDMA Networks Using High-Order Modulation and Multicode Formats", IEE Electronics Letters, Vol. 40, No.2, pp. 132-133, January 22, 2004.


66. Robert C. Elliott, Witold A. Krzymien, "Scheduling Algorithms for High-throughput Packet Data Service in Cellular Radio Systems", Canadian Journal of Electrical & computer Engineering, Special Issue on Cellular Radio Systems, Vol. 29, No. 1/2, pp. 117-127, January/April 2004.


67. Khandoker Nadim Parvez (supervisor: Dr. Ekram Hossain) , "Enhancing TCP Performance in Wide-Area Wireless Networks Using End-to-End Bandwidth Estimation ", M.Sc. Thesis, Department of Electrical and Computer Engineering, University of Manitoba, 2004.


68. Naihua Yuan (supervisors: Dr. A. Dinh and Dr. Ha H. Nguyen), "An Equalization Technique for High Rate OFDM Systems", M.Sc. Thesis, University of Saskatchewan, Department of Electrical Engineering, December 2003.


69. Robert C. Elliott (supervisor: Dr. Witold Krzymien), "Scheduling Algorithms for High Throughput Packet Data Service in Cellular Radio Systems", M.Sc. Thesis, Department of Electrical and Computer Engineering, University of Alberta, October 2003.


70. Trevor Hamm (supervisor: Dr. J. Eric Salt), "Carrier Frequency Offset and Symbol Timing Recovery for DSP-based Wireless OFDM Systems", M.Sc. Thesis, Department of Electrical Engineering, University of Saskatchewan, September 2003.


71. R. Novak, W.A. Krzymien, "Packet Re-Transmission Options for the SS-OFDM-F/TA System", Fourth International Workshop on Multi-Carrier Spread Spectrum & Related Topics (MC-SS 2003), Oberpfaffenhofen, Germany, pp. 89-100, September 17-19, 2003.


72. D.J. Mazzarese, W.A. Krzymien, "Throughput Maximization and Optimal Number of Active Users on the Two Transmit Antenna Downlink of a Cellular System", IEEE Pacific RIM Conference on Communications, Computers and Signal Processing, Victoria, BC, pp. 498-501, August 28-30, 2003.


73. Carlos Rentel-Gomez (supervisor: Dr. Witold A. Krzymien), "Performance Evaluation of High Bit Rate Cellular packet Data Systems", M.Sc. Thesis, Department of Electrical and Computer Engineering, University of Alberta, July 2003.


74. S. Dharmaraja and A. Alfa, "Performance Analysis of 3G Wireless Networks Supporting Voice, Data and Video Traffic", International Conference on Wireless Networks, Las Vegas, June 23-26, 2003.


75. S. Dharmaraja, K.S. Trivedi, D. Logothetis, "Performance Modeling of Wireless Networks with Generally Distributed Handoff Interarrival Times", Computer Communications 26 (2003), pp. 1747-1755, May 2003.


76. Xiaozhen Cao (supervisor: Dr. Rick Bunt), "An Architecture to Support Adaptive Mobile Applications", M.Sc. Thesis, Department of Computer Science, University of Saskatchewan, April 2003.


77. R. Novak, W.A. Krzymien, "SS-OFDM-F/TA System Packet Size and Structure for High Mobility Cellular Environments", IEEE 57th Vehicular Technology Conference (VTC2003-spring), Jeju, Korea, pp. 1438-1444, April 2003.


78. Jiangmei Mei and Rick Bunt, "Adaptive File Cache Management for Mobile Computing", Proceedings of the 4th International Conference on Mobile Data Management, Melbourne, Australia, pp. 369-373, January 2003.


79. Kishor S. Trivedi, S. Dharmaraja and Xiaomin Ma, "Analytic Modeling of Handoffs in Wireless Cellular Networks", Information Sciences, Vol. 148, pp. 155-166, November 2002.


80. Robert Novak, Witold Krzymien, "An Adaptive Spread Spectrum OFDM Packet Data System with Two Dimensional Radio Resource Allocation: Performance in Low-mobility Environments", IEEE International Symposium of Wireless Personal Multimedia Communications 2002 (WPMC'02), Honolulu, Hawaii, pp. 163-167, October 2002.


81. Robert C. Elliott, Witold A. Krzymien, "Scheduling Algorithms for the cdma2000 Packet Data Evolution", 2002 IEEE Semi-Annual Vehicular Technology Conference (VTC2002-Fall), Vancouver, BC, Vol. 1, pp. 304-310, October 2002.


82. Robert Elliott, "A Measure of Fairness of Service for Scheduling Algorithms in Multiuser Systems", IEEE Canadian Conference on Electrical and Computer Engineering 2002, (CCECE '02), Winnipeg, MB, pp. 1583-1588, May 2002.


83. Songsong Sun, Witold Krzymien, Qiang Shen, Bahman Darian, "Rapid Access Protocols for Discontinuous Transmission", Wireless Personal Communications - An International Journal, Vol. 21, No. 2, pp. 201-218, May 2002.


84. Laura Choy Lai Fun (supervisors: Dr. Witold A. Krzymien and Dr. Ivan Fair), "Turbo Codes for Advanced Wireless Access Systems", M.Sc. Thesis, Department of Electrical and Computer Engineering, University of Alberta, January 31, 2002.


85. M. Yavuz, D. Paranchych, G. Wu, G. Li, W.A. Krzymien, "Performance Improvement of the HDR System Due to Hybrid ARQ", Semi-Annual Vehicular Technology Conference (VTC 2001-Fall), Atlantic City, NJ, pp 2192-2196, October 2001.


86. K. Smith, R. Paranjape, L. Benedicenti, "Agent Behavior and Agent Models in Unregulated Markets", ACM Applied Computing Review, September 2001.


87. S. Dragic, I.M. Filanovsky, M. Margala, "A Novel Wide-Band CMOS Current Amplifying Cell and Its Application in Power Supply Current Monitoring", 8th International Conference on Electronics, Circuits and Systems (ICECS 2001), Msida, Malta, pp. 27-30, September 2-5, 2001.


88. Geoff Messier, Witold Krzymien, John Nielsen, "Impact of Propagation Environment and Transmit Diversity on CDMA Forward Link Performance", Int'l Workshop on Wireless Communications & Networking: 3G and Beyond, Istanbul, Turkey, May 2001.


89. Songsong Sun, Witold A. Krzymien, "Hybrid ARQ and Optimal Signal-to-Interference Ratio Assignment for High-Quality Data Transmission in DS-CDMA", European Transactions on Telecommunications, Vol. 12, No. 1, pp 16-29, January/February 2001.


90. Kay Wee Ang and Witold A. Krzymien, "Effects of Different Configurations of RAKE Receivers on the Performance of an Interference Cancellation Scheme in Frequency Selective Fading Channels", 7th IEEE International Conference on Communication Systems (ICCS'00), Singapore, November 2000.


91. Stefan Kaiser, Witold A. Krzymien, Khaled Fazel, "SS-MC-MA Systems with Pilot Symbol Aided Channel Estimation in the Asynchronous Uplink", European Transactions on Telecommunications - 2nd Special Issue on Multi-Carrier Spread Spectrum, Vol. 11, No. 6, pp. 605-610, November-December, 2000.


92. Hongfan Wang (supervisor: Dr. Martin Margala), "Retargetable Arithmetic Architecture for Low-Power Baseband DSP Supporting the Design for Reusability Methodology", M.Sc. Thesis, University of Alberta, Department of Electrical and Computer Engineering, Fall 2000.


93. Lauro F. Choy, Ivan J. Fair, Witold A. Krzymien, "Complexity-Performance Trade-offs in Turbo Codes for IMT-2000", IEEE Vehicular Technology Conference (VTC 2000-Fall), Boston, MA, 4.6.2.4, pp. 2568-2575, September 2000.


94. Momin Jamil, Witold Krzymien, Danie van Wyk, "Performance Analysis of Constant Envelope Quadriphase Sequences for CDMA", Proceedings of the IEEE 6th International Symposium on Spread Spectrum Techniques & Applications (ISSSTA 2000), pp. 212-215, September 6-8, 2000.


95. Sean V. Hum, Anders Host-Madsen and Michal Okoniewski, "A Macrodiversity Combining Technique for Improving the Reverse Link Capacity of CDMA Systems", VTC'2000, Boston, MA, pp. 2501-2506, September 24-28, 2000.


96. Robert Novak, Witold A. Krzymien, "A Cellular Multi-Service OFDM-CDMA System with Spatially-Dependent Rate Assignment", Wireless 2000, Calgary, AB, pp 448-459, July 10-12, 2000.


97. Sean V. Hum, Anders Host-Madsen and Michal Okoniewski, "Improving the Reverse Link Capacity of CDMA Systems using Macrodiversity", IEEE APS International Symposium & USNC/URSI National Radio Science Meeting, pp. 936-939, July 2000.


98. Songson Sun, Witold A. Krzymien, Bahman Darian, "A New Efficient Contentionless Access Protocol for Packet Data Transmission in CDMA Systems", IEEE Vehicular Technology Conference 2000 (VTC 2000-Spring), Tokyo, Japan, 2.01.3 pp 36-40, May 2000.


99. Dave Morley, Wayne Grover, "Strategies to Maximize Carried Traffic in Dual-Mode Cellular Systems", IEEE Transactions on Vehicular Technology, Vol. 49, No. 2, pp. 357-366, March 2000.


100. Stefan Kaiser and Witold A. Krzymien, "An Asynchronous Spread Spectrum Multi-Carrier Multiple Access System", Global Telecommunication Conference 1999 (GLOBECOM '99), Rio de Janeiro, Brazil, pp. 314-319, December 1999.


101. Kay Wee Ang and Witold A. Krzymien, "A Method of Limiting the Processing Delay of the Variable Group Hybrid Interference Cancellation Scheme for CMDA Systems", IEEE Vehicular Technology Conference (VTC'99-Fall), Amsterdam, The Netherlands, pp. 1648-1652, September 1999.


102. Stefan Kaiser, Witold A. Krzymien, "Performance Tradeoffs in Asynchronous Spread Spectrum Multi-Carrier Multiple Access", 1999 Second International Workshop on Multi-Carrier Spread-Spectrum (MC-SS'99),entitled...Multi-Carrier Spread Spectrum & Related Topics, Oberpfaffenhofen, Germany, September 1999.


103. Stefan Kaiser, Witold A. Krzymien, "Performance Tradeoffs in Asynchronous Spread Spectrum Multi-Carrier Multiple Access", Multi-Carrier Spread Spectrum & Related topics, September 1999.


104. R. Krenz, W.A. Krzymien, "Algorithms for Forward Link Power Allocation for Packet Data Transmission in Wideband CDMA", VTC'99, Amsterdam, pp 2101 - 2106, September 1999.


105. Sun, Songsong (supervisor: Dr. Witold A. Krzymien), "High Data Rate Transmission in Multi-Service Code Division Multiple Access Wireless Communication Systems", Ph.D. Thesis, University of Alberta, Department of Electrical and Computer Engineering, Spring, 1999.


106. Rafal Krenz and Witold Krzymien , "Forward Link Power Allocation in Multiservice DS-CDMA Wireless Systems", 3rd European Personal Mobile Communications Conference (EPMCC'99), Paris, France, pp. 381-386, March 1999.


107. Robert Hang (supervisors: Dr. Witold A. Krzymien and Dr. Charles L. Despins), "An Improved MAC Protocol for Reverse Link Data Transmission in Wideband DS-CDMA", M.Sc. Thesis, University of Alberta, Department of Electrical and Computer Engineering, October 1998.


108. S. Sun, W. Krzymien, R. Krenz, A. Jalali, "Reliable Hybrid ARQ Data Transmission with Optimal Signal-to-Interference Ratio Assignment in CDMA PCS", Proceedings of the 1998 IEEE International Conference on Universal Personal Communications (ICUPC'98), pp. 599-604, Florence, Italy, October 5-9, 1998.


109. S. Sun, W. Krzymien, A. Jalali, "Optimal Forward Link Power Allocation for Data Transmission in CDMA Systems", Proceedings of the 9th IEEE International Symposium on Personal, Indoor and Mobile Communications (PIMRC '98), pp. 848-852, Boston, USA, September 8-11, 1998.


110. R. Hang, W.A. Krzymien, C.L. Despins, "Performance of an Improved MAC Protocol for Reverse Link Short Packet Data Transmission in UMTS", Proceedings of the 1998 International Conference on Wireless Communications (Wireless '98), Calgary, Canada, pp. 379-397, July 6-8, 1998.


111. R. Hang, W.A. Krzymien, C.L. Despins, "A MAC Protocol for Efficient Uplink Data Transmission of Short Packets in Wideband DS-CDMA", Proceedings of the 1998 ACTS Mobile Communication Summit, pp. 19-24, Rhodes, Greece, June 8-11, 1998.


112. S. Sun, W.A. Krzymien, "Call Admission Policies and Capacity Analysis of a Multi-Service CDMA Personal Communication System with Continuous and Discontinuous Transmission", Proceedings of the 1998 IEEE Vehicular Technology Conference (VTC'98), Ottawa, Canada, pp. 218-223, May 18-21, 1998.


113. S. Sun, W.A. Krzymien, A. Jalali, Q. Shen, "Performance Comparison of Two Medium Access Control Schemes for Packet Data Traffic in DS-CDMA Personal Communication Systems", IEEE Global Telecommunications Conference (Globecom '97/CTMC'97), pp. 185-189, Phoenix, AZ, USA, November 3-8, 1997.


114. G.D. Morley, W.D. Grover, "Strategies to Maximize Carried Traffic in Dual-Mode Cellular Systems", Proceedings of Wireless '97, Calgary, AB, Vol. 1, pp. 40-55, July 9-11, 1997.


115. S. Kumar, A. Mohammadi, D. Klymyshyn, "A Direct 64-QAM Modulator Suitable for MMIC Implementation", Microwave Journal, Vol. 40, No. 4, pp. 116-122, April 1997.


116. Q. Shen, W.A. Krzymien, "The Effect of Fading on the Erlang Capacity of the IS-95 CDMA Cellular System", 1996 IEEE International Conference on Communications (ICC '96), Dallas, TX, Vol. 3, pp. 1829-1833, June 23 - 27, 1996.


117. E. Benner, A.B. Sesay, "Effects of Antenna Height, Antenna Gain, and Pattern Downtilting for Cellular Mobile Radio", IEEE Transactions on Vehicular Technology, Vol. 45, No. 2, pp. 217-224, May 1996.


118. David E. Dodds and Michael Moher, "Spread Spectrum Synchronization for a LEO Personal Communications Satellite System", Canadian Conference on Electrical and Computer Engineering 1995 (CCECE '95), Montreal, PQ, pp. 20-23, September 1995.


119. W. Zhuang, W.A. Krzymien, P.A. Goud, "Trellis-Coded CPFSK and Soft-Decision Feedback Equalization for Micro-Cellular Wireless Applications", Wireless Personal Communications - An International Journal, pp. 271-285, 1995.


120. Tom Danshin (supervisor: Dr. Surinder Kumar), "A Direct PI/4 DQPSK Modulator with Memory Based Prefiltering and Predistortion", M.Sc. Thesis, University of Saskatchewan, Department of Electrical Engineering, November 1994.


121. Xing Zhang (supervisor: Prof. David E. Dodds), "Spread Spectrum Synchronization Using Matched Filter and Cyclic Accumulation", M.Sc. Thesis, University of Saskatchewan, Department of Electrical Engineering. September 1994.


122. W. Zhuang, W.A. Krzymien, P.A. Goud, "Adaptive Channel Precoding for Slowly Fading Channels", Proceedings of Wireless Computer Networks, Personal, Indoor, and Mobile Radio Communications, PIMRC '94, pp. 660-664, September 18-22, 1994.


123. C. Lau, C.W. Chan, "A New Handoff Algorithm for Indoor Cellular Systems Using Outage Probability", Wireless 94 Conference, Calgary, AB, Vol. 2, M-3, pp. 627-631, July 11-13, 1994.


124. Christopher Lau (supervisor: Dr. Bill Chan), "Optimal Algorithms for Indoor Handoff", M.Sc. Thesis, The University of Calgary, June 1994.


125. A.B. Sesay, "Adaptive Two-Stage Maximum Likelihood Estimation for Cellular Radio", IEE Proceedings, Vol. 141, No. 1, February 1994.


126. Surinder Kumar, Tom Danshin, "A Direct pi/4 DQPSK Modulator with Memory Based Prefiltering and Predistortion", IEEE WESCANEX '93 Conference, Communications, Computers and Power in the Modern Environment, Saskatoon, SK, pp. 208-211, May 17-18, 1993.


127. W.D. Grover, W.A. Krzymien, J.C. Chin, "Background Data Service for Cellular Mobile Radio", Proceedings of 43rd IEEE Vehicular Technology Conference, Secaucus, NJ, pp. 766-769, May 1993.


128. Yvonne J. den Otter (supervisors: Dr. P. Goud and Dr. C. Englefield), "Adaptive Linearization of Power Amplifiers for Digital Cellular Radio", MSc Thesis, Department of Electrical Engineering, University of Alberta, July 1992.


129. A.B. Sesay, "Two-Stage Maximum Likelihood Estimation for Diversity Combining in Digital Mobile Radio", IEEE Transactions on Communications, Vol. 40, No. 4, pp. 676-679, April 1992.


130. Kenneth Edward Scott (supervisor: Dr. S.T. Nichols), "Adaptive Equalization and Antenna Diversity in Digital Radio", PhD Thesis, University of Calgary, Department of Electrical Engineering, August 1991.


131. K.E. Scott and S.T. Nichols, "Antenna Diversity with Multichannel Adaptive Equalization in Digital Radio", IEEE International Conference on Communications, Denver, Colorado, June 23-26, 1991.


132. E.B. Olasz, K.E. Scott, M. Fattouche, S.T. Nichols, "Antenna Diversity in Cellular FM Radio", IEEE Pacific Rim Conference on Communications, Computer and Signal Processing '91, Victoria, B.C., May 9-10, 1991.


133. M. Fattouche, L. Petherick, A. Fapojuwo, "Diversity for Mobile Radio Communications", The 15th Biennial Symposium on Communications, Kingston, Ontario, pp. 196-199, June 3-6, 1990.

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