Profile
Dr Raymond Kwan, Post-doctoral Research Fellow
Raymond Kwan obtained his B.A.Sc. in engineering physics and M.A.Sc. in electrical engineering at the University of British Columbia (UBC) in 1996 and 1998 respectively.
In 1999, he joined the voice browsing project at Nokia Research Centre in Tampere, Finland as a Research Engineer. Between 2000 and 2003, he worked in the area of Radio Resource Management for WCDMA networks at the Nokia Research Centre in Helsinki, Finland.
He obtained his PhD in 2006 at UBC in the area of wireless communications, and has been an NSERC Post-doctoral Fellow at Simon Fraser University. Currently, he is with the University of Bedfordshire, UK, as a Marie Curie Research Fellow.
Awards and Achievements
- EU FP7 Project METOP, €180K
- Marie Curie Post-Doctoral Fellowship (2007 – 2009)
- Natural Science and Engineering Research Council of Canada (NSERC) Post-Doctoral Fellowship (PDF) (2006 – 2008)
- Natural Science and Engineering Research Council of Canada (NSERC) Post-Graduate Scholarship (PGS B) (2003 – 2005)
- PhD Tuition Scholarship of UBC (2003 – 2006)
- Advanced Amateur radio license (1997)
- William McMahan Scholarship (1993 – 1994)
- B.C. Provincial Scholarship (1991 – 1992)
Patents
- R. Kwan, E. Poutiainen, S. Hämäläinen, E. Malkamäki, A Novel Packet Scheduling Algorithm that Optimizes the User Throughput Based on the Selection of the Number of OVSF Codes and the Modulation and Coding Set in a WCDMA Network. US Patent: 7206332, April 17, 2007; (Standard-related Essential Patent)
- R. Kwan, K. I. Pedersen, P. Mogensen, T. Kolding, An Outerloop Link Adaptation Algorithm for the Adaptive Modulation and Coding Scheme (AMC) in the High Speed Downlink Packet Access (HSDPA). Application number WO200404961. (Pending)
Articles published in refereed journals
- H. Song, R. Kwan, J. Zhang, "Performance Analysis of Exponential
Effective SNR Mapping over Nakagami-m Fading Channels," accepted in
IEEE Transactions on Wireless Communications.
- R. Kwan, C. Leung,
J. Zhang, "Proportional Fair Multiuser Scheduling in LTE," IEEE Signal
Processing Letters, vol. 16, no. 6, June, 2009.
- R. Kwan, M. E. Aydin, C. Leung, J. Zhang, "On Multiuser Scheduling in HSDPA," accepted in IET Communications.
- P.
Ho, R. Kwan and X. Wang, “Impact of Non-identical Branches on the
Switching Rate of Generalized Selection Combining in Rayleigh Fading
Channels”, accepted in IEEE Transactions on Vehicular Technology.
- R.
Kwan, C. Leung, J. Zhang, "Multiuser Scheduling on the Downlink of an
LTE Cellular System," Research Letters in Communications, vol. 2008,
Article ID 323048, 4 pages, 2008. doi:10.1155/2008/323048.
- R. Kwan, P. Ho, C. Leung, “On Joint Order Statistics in Correlated Nakagami Fading Channels”. IEEE Communications Letters, Vol. 11, No. 9, September 2007.
- R. Kwan, C. Leung, P. Ho, “On the Distribution of Ordered Eigenvalues of Wishart Matrices”, IEE Electronic Letters, Vol. 43, No. 5, March 1, 2007.
- R. Kwan and C. Leung, “Downlink Scheduling Schemes for CDMA Networks with Adaptive Modulation and Coding and Multicodes”. IEEE Transactions on Wireless Communications, Vol. 6, No. 10, Oct. 2007.
- R. Kwan and C. Leung , “General Order Selection Combining for Nakagami and Weibull Fading Channels”. IEEE Transactions on Wireless Communications, Vol. 6, No. 6, June 2007.
- R. Kwan and C. Leung, “Performance of a CDMA system employing AMC and Multicodes in the Presence of Channel Estimation Errors”. IEEE Transactions on Communications, Vol. 56, No. 2, Feb. 2008.
- R. Kwan, C. Leung, “On the Applicability of the Pearson Method for Approximating Distributions in Wireless Communications”. IEEE Transactions on Communications, Vol. 55, No. 11, Nov. 2007.
- R. Kwan, C. Leung, “On Approximating the Distribution of Symbol Error Rates in Nakagami-m Fading Channels”, IEE Electronics Letters. Vol. 42, No. 13, June 2006.
- R. Kwan, C. Leung, “Downlink Scheduling Optimization in CDMA Networks”, IEEE Communications Letters. Vol. 8, No. 10, 2004.
- R. Kwan, C. Leung, “Optimal Detection of a BPSK Signal in the Presence of Two Interferers”. IEE Electronic Letters, Vol. 38, No. 20, 26 Sept. 2002.
- R. Kwan, C. Leung, “Optimal Detection of a BPSK Signal Contaminated by Interference and Noise”, IEEE Communications Letters. Vol. 6, No. 6, June 2002.
Articles published in refereed conferences
- M. E. Aydin, R. Kwan, C. Leung, J. Zhang, “Multiuser Scheduling in
HSDPA with Particle Swarm Optimization” accepted in Proc. of
EvoWorkshops. Lecture Notes in Computer Science, Springer Verlag,
April, 2009.
- R. Kwan, C. Leung, J. Zhang, "Resource Allocation
in an LTE Cellular Communication System", in IEEE International
Conference on Communications (ICC), June 14 - 18, 2009.
- R. Kwan,
M. E. Aydin, C. Leung, J. Zhang, “Multiuser Scheduling in HSDPA using
Simulated Annealing”, Proc. of the International Wireless
Communications and Mobile Computing Conference (IWCNC’08), 2008.
- M.
E. Aydin, R. Kwan, C. Leung, J. Zhang, “A Particle Swarm Optimization
Algorithm for Multiuser Scheduling in HSDPA”, Proc. of the 6th
International Conference on Ant Colony Optimization and Swarm
Intelligence, Sept. 22-24, 2008.
- R. Kwan, C. Leung, J. Zhang, “A Power Assignment Scheme for Improving Outage Probability in HSDPA”, accepted for publication in Proc. of IEEE Vehicular Technology Conference (VTC), Spring, 2008.
- R. Kwan, C. Leung, J. Zhang, “Multiuser Scheduling for High Speed Uplink Packet Access”, accepted for publication in Proc. of IEEE Vehicular Technology Conference (VTC), Spring, 2008.
- P. Ho, R. Kwan, X. Wang, “Switching Rate of GSC with Non-identical Branches in Rayleigh Fading Channels”, accepted for publication in Proc. of IEEE Vehicular Technology Conference (VTC), Spring, 2008.
- R. Kwan, C. Leung, “On Some Applications of the Distribution of Ordered Eigenvalues of Wishart Matrices”, Proc. of 6th International Conference on Information, Communications and Signal Processing (ICICS), 2007.
- R. Kwan, C. Leung, “A Power Adjustment Scheme in the Context of Adaptive Modulation and Coding with Multicodes”, Proc. of International Conference in Communications and Networking in China (ChinaCom), 2007.
- R. Kwan, P. Ho, C. Leung, “On Joint Order Statistics in Correlated Nakagami Fading Channels”, Proc. of IEEE Wireless Communications and Networking Conference (WCNC), 2007.
- R. Kwan, C. Leung, “An Accurate Method for Approximating Probability Distributions in Wireless Communications”. Proc. of IEEE Wireless Communications and Networking Conference (WCNC), 2006.
- R. Kwan, C. Leung, “General Order Selection Combining for Non-Identically Distributed Fading Channels”. Proc. of IEEE Wireless Communications and Networking Conference (WCNC), 2006.
- R. Kwan, C. Leung, “Performance Analysis in the Context of Selection Diversity in Non-Identically Distributed Weibull Fading Channels”, Proc. of IEEE PACRIM, 2005.
- R. Kwan, C. Leung, “Order Statistics for Non-Identically Distributed Nakagami Fading Channels with An Application”, Proc. of IEEE Vehicular Technology Conference (VTC), 2005.
- R. Kwan, C. Leung, “An HMM Approach to Adaptive Modulation and Coding with Multicodes for Fading Channels”, Proc. of IEEE Canadian Conference on Electrical and Computer Engineering (CCECE), 2005.
- R. Kwan, C. Leung, “Selection Diversity in Non-Identically Distributed Nakagami Fading Channels”, Proc. of IEEE Sarnoff Symposium, 2005.
- R. Kwan, C. Leung, “Gamma Variate Ratio Distribution with Application to CDMA Performance Analysis”, Proc. of IEEE Sarnoff Symposium, 2005.
- R. Kwan, C. Leung, “Adaptive Modulation and Coding with Multicodes over Nakagami Fading Channels”, Proc. of IEEE Wireless Communications and Networking Conference (WCNC), 2005.
- R. Kwan, C. Leung, “Scheduling for the Downlink in a CDMA Network with Imperfect Channel Estimation”, Proc. of IEEE International Workshop on Adaptive Wireless Networks (AWIN), IEEE Global Telecommunication Conference (Globecom), 2004.
- R. Kwan, C. Leung, “Load-Based Downlink Scheduling Schemes for CDMA Networks”, Proc. IEEE Vehicular Technology Conference (VTC), 2004.
- R. Kwan, C. Leung, “Channel-Based Downlink Scheduling Schemes for CDMA Networks”, Proc. IEEE Vehicular Technology Conference (VTC), 2004.
- R. Kwan, C. Leung, “Optimal Downlink Scheduling Schemes for CDMA Networks”, Proc. of IEEE Wireless Communications and Networking Conference (WCNC), 2004.
- R. Kwan, P. H. J. Chong, E. Poutiainen, “The Effect of Code-Multiplexing on the High Speed Downlink Packet Access (HSDPA) in a WCDMA Network”, Proc. of IEEE Wireless Communications and Networking Conference (WCNC), 2003.
- R. Kwan, C. Leung, “Optimal Detection in the Presence of Co-Channel Interference and Noise in a Fast Fading Environment”, Proc. of IEEE PACRIM, 2003.
- C. J. Ong, Peter H. J. Chong, R. Kwan, “Effects of Various Packet Scheduling Algorithms on the Performance of High Speed Downlink Shared Channel in a WCDMA network”, Proc. of IEEE PACRIM, 2003.
- R. Kwan, P. Chong, M. Rinne, “Analysis of the Adaptive Modulation and coding Algorithm with the Multicode Transmission”. Proc. of IEEE Vehicular Technology Conference (VTC), Sept., 2002.
- R. Kwan, C. Leung, “Optimal Detection of a BPSK signal in the Presence of Two Synchronized Co-Channel Interferers”. Proc. of Finnish Wireless Communication Workshop (FWCW), Oct-Nov., 2001.
- R. Kwan, E. Poutiainen, P. Chong, S. Hämäläinen, ”A Throughput Study for the High Speed Downlink Packet Access (HSDPA) with Different Multicode Selections in a WCDMA Network”. Proc. of Finnish Wireless Communication Workshop (FWCW), Oct-Nov., 2001.
- E. Poutiainen, R. Kwan, S. Hämäläinen, P. Chong, ”Performance Study of the High Speed Downlink Packet Access (HSDPA) in a WCDMA Network”. Proc. of CDMA International Conference (CIC), Nov. 2, 2001.
- R. Kwan and Mika Rinne, “Performance analysis of the Downlink shared channel in A WCDMA network”. Proc. of International Conference on Telecommunication (ICT), June 2001.
- R. Kwan and Mika Rinne, “A Comparison of WCDMA network Performance Results with Frame vs Slot Resolution Simulations”. Proc. of CDMA International Conference (CIC), Nov. 2000.
- R. Kwan and C. Leung, “Optimal Detection of a BPSK Signal with Unsynchronized Co-Channel Interferers”. Proc. of IEEE International Conference of Communication (ICC) Vancouver, B.C. Canada, June 1999.
- R. Kwan and C. Leung, “Optimal Detection of a BPSK Signal in the Presence of Co-Channel Interference”, Proc. of the 6th International workshop on Intelligent Signal Processing and Communication Systems (ISPACS), Melbourne, Australia, 1998.
Other technical contributions
- Reviewer for the following international journals and conferences:
- IEEE Transactions on Wireless Communications
- Communications Letters
- IEEE Transactions on Communications
- IEEE Communications Magazine
- Journal on Selected Areas in Communications, JSAC
- IET Communications
- Wiley’s Wireless Communications & Mobile Computing journal
- Far East Journal of Electronics and Communications, FJEC
- International Test Conference (ITC 2007)
- IEEE International Conference on Communications (ICC 2007 / 2006)
- IEEE Global Telecommunications Conference (GlobeCom 2007 / 2006 / 2005)
- International Symposium on Wireless Pervasive Computing (ISWPC 2006)
- IEEE Wireless Communications & Networking Conference (WCNC 2007 / 2004)
- International Conference on Information, Communications and Signal Processing (ICICS 2005)
- IEEE Vehicular Technology Conference (VTC 2004 / 2003)
- IEEE International Conference on Networks (ICON 2004)
Contact details
E: raymond . kwan @ beds . ac . uk
