Research Publications

 [book] [journal papers] [conference papers] [book chapters] [technical reports] [copyright notice]

Book

[B1] L. Cai, X. Shen, and J. W. Mark, Multimedia Services in Wireless Internet: Modeling and Analysis, John Wiley & Sons, Inc., June 2009.

Journal Papers

[J34] R. Zhang, L. Cai, S. He, X. Dong, and J. Pan. "Modeling, validation and performance evaluation of body shadowing effect in ultra-wideband networks," Elsevier Physical Communication, June 2009. [DOI]

[J33] L. X. Cai,  L. Cai, X. Shen, J. W. Mark, and Q. Zhang, ``MAC Protocol Design and Optimization for Multi-hop Ultra-wideband Networks,'' IEEE Trans. on Wireless Commun., accepted, April 2009.

[J32] E. Shihab, L. Cai and J. Pan, ``A Distributed, Asynchronous Directional-to-Directional MAC Protocol for Wireless Ad Hoc Networks,'' IEEE Trans. on Vehicular Technology, accepted, April 2009.

[J31] R. Zhang and L. Cai. ``A Packet-level Model for UWB Channel with People Shadowing Process based on Angular Spectrum Analysis,'' IEEE Trans. on Wireless Commun., accepted, May 2009.

[J30] M. Cheng, X. Gong, and L. Cai, ``Joint Routing and Link Rate Allocation under Bandwidth and Energy Constraints in Sensor
  Networks,'' IEEE Trans. on Wireless Commun., accepted, Mar. 2009.

[J29] L. Wang, L. Cai, X. Liu, X. Shen, and J. Zhang ``Stability Analysis of General AIMD/RED Systems with Multiple Bottleneck networks,'' Computer Netowrks, 53(3):338-352, Feb. 2009. [DOI]

[J28] L. X. Cai, L. Cai, X. Shen, and J. W. Mark, ``Resource Management and QoS Provisioning for IPTV over mmWave-based WPANs with Directional Antenna,'' ACM/Springer Mobile Networks and Applications (MONET), 14(2):210-219, April 2009. [DOI]

[J27] K. Liu, X. Shen, R. Zhang and L. Cai, ``Performance Analysis of Distributed Reservation Protocol for UWB-based WPAN,'' IEEE Trans. on Vehicular Technology, 58(2):902--913, Feb. 2009.

[J26] L. X. Cai, L. Cai, X. Shen, and J. W. Mark, ``Capacity Analysis of UWB Networks in 3D Space,'' Journal of Communications and Networks, accepted, May 2008.

[J25] L. X. Cai, X. Shen, J. W. Mark, and L. Cai, ``Capacity Analysis of IEEE 802.11n,'' ACM Wireless Networks, accepted, 2007. 

[J24] E. Shihab, L. Cai, F. Wan, A. Gulliver, and N. Tin, “Mesh Network for In-Home IPTV Distribution,” IEEE Network Magazine, Special Issue on Wireless Mesh Networks: Applications, Architectures and Protocols, Vol. 22, No. 1, pp. 52-57, Jan./Feb. 2008. [PDF]

[J23] V. Mahinthan, L. Cai, J. W. Mark, and X. Shen, “"Partner Selection Based on Optimal Power Allocation in Cooperative Diversity Systems," IEEE Trans. on Vehicular Technology, vol. 57, no. 1, pp. 511-520, Jan. 2008. [PDF]

[J22] K. Liu, L. Cai X. Shen, “Multi-Class Utility-Based Scheduling for UWB Networks,” IEEE Trans. on Vehicular Technology, Vol. 57, No. 2, pp. 1178-1187, March 2008.

[J21] S. Pack, X. Shen, J. W. Mark, and L. Cai, "Throughput Analysis of TCP Friendly Rate Control in Mobile Hotspots,” IEEE Trans. on Wireless Comm., Vol. 7, Issue 1, pp. 193-203, Jan. 2008. [PDF]

[J20] K. Liu, L. Cai, X. Shen, ``Exclusive-Region based Scheduling Algorithms for UWB WPAN,'' IEEE Trans. on Wireless Communications Vol. 7, No. 3, pp. 933-942, March 2008.

[J19] L. X. Cai, L. Cai, X. Shen, and J. W. Mark, ``REX: a Randomized Exclusive Region based Scheduling Scheme for
  mmWave WPANs,'' IEEE Trans. on Wireless Commun., accepted, July 2007.

[J18] R. Zhang and L. Cai, “A Markov Model for Ultra-wideband Indoor Channel with Shadowing,” ACM/Springer Mobile Networks and Applications (MONET), Vol. 12, Issue 5, pp. 438-449, Dec. 2007.

[J17] S. Pack, X. Shen, J. W. Mark, and L. Cai, "A Two-Phase Loss Differentiation Algorithm for Improving TFRC Performance in IEEE 802.11 WLANs,” IEEE Trans. on Wireless Comm., Vol. 6, Issue 11, pp. 4164-4175, Nov. 2007. [PDF]

[J16] L. X. Cai, X. Shen, J. W. Mark, and L. Cai, "Capacity analysis and MAC enhancement for UWB broadband wireless access networks,” Elsevier Computer Networks, Vol. 51, Issue 11, pp. 3265-3277, Aug. 2007. [DOI]

[J15] S. Pack, H. Rutagemwa, X. Shen, J. W. Mark, and L. Cai, "Performance Analysis of Mobile Hotspots with Heterogeneous Wireless Links," IEEE Trans. on Wireless Communications, Vol. 6, Issue 10, pp. 3717-3727, Oct. 2007. [PDF]

[J14] L. Wang, L. Cai, X. Liu, and X. Shen, "Stability and TCP-friendliness of AIMD/RED Systems with Feedback Delays," Elsevier Computer Networks, Vol. 51, Issue 15, pp. 4475-4491, Oct. 2007. [DOI]

[J13] V. Mahinthan, L. Cai, J.W. Mark, and X. Shen, "Maximizing cooperative diversity energy gain for wireless networks", IEEE Trans. on Wireless Communications, Vol. 6, No. 6, pp. 2530-2539, June 2007. [PDF]

[J12] J. Pan, L. Cai and X. Shen, "Vulnerabilities in Distance-Indexed IP Traceback Schemes," International J. of  Security and Networks (IJSN), Vol. 2, Nos.1/2, pp. 81-94, Jan. 2007. [PDF]

[J11] L. Cai, X. Shen, J. W. Mark, and J. Pan, Performance modeling and analysis of window-controlled multimedia flows in wireless/wired networks, IEEE Trans. on Wireless  Communiactions, 6(4):1356--1365, April 2007. [PDF]

[J10] J. Pan, L. Cai, X. Shen, and J. W. Mark, ``Identity-based security in ad hoc networks,'' Elsevier Computer Networks, vol. 51, issue 3, pp. 853-865, Feb. 2007. [DOI]

[J9] L. X. Cai, X. Shen, Y. Xiao, L. Cai, and J. Mark, VoIP over WLAN: voice capacity and admission control, QoS, and MAC, Int. J. of Communication Systems, accepted, 19:491-508, 2006. [PDF]

[J8] Q. He, L. Cai, X. Shen, and P. Ho, Using busy tone to improve TCP performance over wireless ad hoc networks, EURASIP J. on Wireless Comm. and Networking, Volume 2006, Article ID 51610, Pages 1-11 DOI 10.1155/WCN/2006/51610, 2006. [PDF]

[J7] H. Shen, L. Cai, and X. Shen, Performance analysis of TFRC over wireless links with truncated link level ARQ,  IEEE Trans. on Wireless Communications, Vol. 5, issue 6, pp. 1479--1487, June 2006. [PDF]

[J6] L. X. Cai, X. Shen, L. Cai, J. Mark, and Y. Xiao, Voice capacity analysis of WLAN with un-balanced traffic, IEEE Trans. on Vehicular Technology, 55(3): 752--761, May 2006. [PDF]

[J5]  L. Cai, J. Ye, J. Pan, X. Shen, and J. W. Mark,  Dynamic server selection using fuzzy inference in content distribution networks,  Elsevier Computer Communications, Vol. 29/8, pp. 1026--1038, May 2006. [DOI]

[J4] J. Pan, Y. Hou, L. Cai, Y. Shi, and X. Shen, Serialized optimal relay schedules in two-tiered wireless sensor networks, Elsevier Computer Communications, vol. 29, issue 4, pp. 511--524, Feb. 2006. [DOI]

[J3] L. Cai, X. Shen, J. W. Mark, and J. Pan, QoS support for multimedia traffic in wireless/wired networks using TCP-friendly AIMD protocols, IEEE Trans. on Wireless Communications, vol. 5, issue 2, pp. 469--480, Feb. 2006. [PDF]

[J2] J. Pan, L. Cai, Y. Hou, Y Shi,  and X. Shen,  Optimal base-station locations in two-tiered wireless sensor networks, IEEE Trans. on Mobile Computing,  vol. 4, issue 5, pp. 458--473, Sept./Oct. 2005. [PDF]

[J1] L. Cai, X. Shen, J. Pan, and J. W. Mark,  Performance analysis of TCP-friendly AIMD algorithms for multimedia applications, IEEE Trans. on Multimedia, vol. 7, issue 2, pp. 339--355, April 2005. [PDF]

Conference Papers

[C46] Z. Yang, L. Cai and W. Lu, "Practical Concurrent Transmission Scheduling Algorithms for Rate-adaptive Wireless Networks," IEEE Infocom'10, Mar. 2010, San Diego, CA, USA.

[C45] Y. Zhuang, J. Pan and L. Cai, "Minimizing Energy Consumption with Probabilistic Distance Distributions in Wireless Sensor Networks," IEEE Infocom'10, Mar. 2010, San Diego, CA, USA.

[C44] L. Cai, Y. Luo, S. Xiang, and J. Pan, "Scalable modulation for scalable wireless videocast," IEEE Infocom'10, Mar. 2010, San Diego, CA, USA.

[C43] A. Abdullah, F. Gebali and L. Cai, “Modeling the Throughput and Delay in Wireless Multihop Ad-Hoc Networks,” IEEE Globecom 2009, Dec. 2009, Hawaii, USA.   

[C42] L. X. Cai, H. Hwang, X. Shen, J. Mark and L. Cai, “Optimizing Geographic Routing for Millimeter-wave Wireless Networks with Directional Antenna,” (invited paper), Broadnets'09, Sept. 2009, Madrid, Spain.

[C41] R. Zhang and L. Cai, “Markov modeling for data block transmission of OFDM systems over fading channels,” IEEE ICC'09, June 2009, Dresden, Germany.

[C40] Y. Yu, M. Lu, J. Pan, L. Cai, and D. Hoffman, ``Evaluating No-New-Wires Home Networks,'' 3rd IEEE LCN Workshop on Network Measurements (WNM)}, October 14-17 , 2008, Montreal, Canada.

[C39] R. Zhang and L. Cai, “Analysis of Delayed Acknowledgment Scheme with Packet Fragmentation of UWB-based WPAN,” IEEE Globecom'08, New Orleans, LA, USA, Nov./Dec. 2008.

[C38] M. Cheng, X. Gong, and L. Cai, “Link Rate Allocation under Bandwidth and Energy Constraints in Sensor Networks,” IEEE Globecom'08, New Orleans, LA, USA, Nov./Dec. 2008.

[C37] F. Wan, L. Cai, and A. Gulliver, “A Simple, Two-Level Markovian Traffic Model for IPTV Video Sources,” IEEE Globecom'08, New Orleans, LA, USA, Nov./Dec. 2008.

[C36] E. Shihab, L. Cai, and J. Pan, “A Distributed Directional-to-Directional MAC Protocol for Asynchronous Ad Hoc Networks,” IEEE Globecom'08, New Orleans, LA, USA, Nov. /Dec. 2008.

[C35] R. Zhang and L. Cai, “Analyzing Adaptive Modulation Coding Jointly With DRP and Dly-ACK for UWB-based WPAN,” IEEE Globecom'08, New Orleans, LA, USA, Nov./Dec. 2008.

[C34] M. Cheng, X. Gong, L. Cai, and A. Abdullah, “Transmission Scheduling for CBR Traffic in Multihop Wireless Networks,” International Conference on Wireless Algorithms, Systems and Applications (WASA'08), Dallas, TX, USA, Oct. 2008.

[C33] L. X. Cai, X. Shen, L. Cai, and J. W. Mark, “A Concurrent Scheduling Scheme for IPTV over mmWave-based WPANs” Proc. ICST QShine'08, Hongkong, China, July 2008.

[C32] L.Wang, L. Cai, X. Liu, and X. Shen, “Practical Stability and Bounds of Heterogeneous AIMD/RED System with Time Delay,” Proc. IEEE ICC’08, Beijing, China, May 2008. (received the IEEE ICC'08 - Advances in Networks and Internet Symposium Best Paper Award)[PDF]

[C31] K. Liu, X. Shen, R. Zhang, and L. Cai, “Delay Analysis of Distributed Reservation Protocol with UWB Shadowing Channel for WPAN,” Proc. IEEE ICC’08, Beijing, China, May 2008.

[C30] F. Wan, L. Cai, A. Gulliver, “Can We Multiplex IPTV and TCP?” Proc. IEEE ICC’08, Beijing, China, May 2008.

[C29] L. X. Cai, L. Cai, X. Shen, and J. W. Mark, “Optimizing Distributed MAC Protocol for Ultra-wide Band Wireless Networks,” Proc. IEEE Infocom’08, Phoenix, AZ, USA, April 2008.

[C28] R. Zhang and L. Cai, “Packet-level channel model for wireless OFDM systems,” Proc. IEEE Globecom'07, Washington, DC, Nov./Dec. 2007.

[C27] E. Shihab, F. Wan, L. Cai, A. Gulliver, and N. Tin, “Performance analysis of IPTV in home networks,” Proc. IEEE Globecom'07, Washington, DC, Nov./Dec. 2007.

[C26] L. Wang, L. Cai, X. Liu, and X. Shen, “Stability and Fairness Analysis of AIMD/RED System with Heterogeneous Delays,” Proc. IEEE Globecom'07, Washington, DC, Nov./Dec. 2007.

[C25] L. X. Cai, X. Shen, L. Cai, and J. W. Mark, “Spatial Multiplexing Capacity Analysis of mmWave WPANs with Directional Antennae,” Proc. IEEE Globecom'07, Washington, DC, Nov./Dec. 2007.

[C24] R. Zhang and L. Cai, "Modeling UWB Indoor Channel with Shadowing Processes,'' (work-in-progress), Proc. QShine'07, Vancouver, BC, Canada, August 2007. [PDF]

[C23] L. X. Cai, X. Shen, L. Cai, and J. W. Mark, “Spatial multiplexing capacity analysis for three-dimensional wireless personal area networks,” Proc. Chinacom'07, Shanghai, China, August 2007.

[C22]  V. Mahinthan, L. Cai, J. W. Mark, and X. Shen, "Optimizing Power Allocation and Matching of Cooperative Diversity Systems," Proc. IEEE ICC'07, Glasgow, U.K., June 2007.

[C21] L. X. Cai,  L. Cai, X. Shen, and J. W. Mark, ``Efficient Resource Management for mmWave WPANs,''  Proc. IEEE Wireless Communications and Networking Conference (WCNC'07), Hong Kong, Mar. 2007.

[C20] E. Shihab and  L. Cai, "IPTV Distribution Technologies in Broadband Home Networks," Proc. IEEE Canadian Conference on Electrical and Computer Engineering, Vancouver, BC, Canada, April 2007.

[C19] K. Liu, L. Cai, and X. Shen, "Effective Scheduling for UWB Networks using Discrete Stochastic Optimization,'' Proc. IEEE Consumer Communications and Networking Conference (CCNC), Las Vegas, NV, USA, Jan. 11-13, 2007.

[C18] K. Liu, L. Cai, and X. Shen, "Performance Enhancement of Medium Access Control for UWB WPAN", Proc. Globecom'06, San Francisco, CA, USA, Nov. 27--Dec. 1, 2006.

[C17] S. Pack, H. Rutagemwa, X. Shen, J. Mark, and L. Cai, "An Analytical Framework for Studying the Performance of Mobile Hotspots", Proc. Globecom'06, San Francisco, CA, USA, Nov. 27--Dec. 1, 2006.

[C16] L. X. Cai, L. Cai, X. Shen, and J. W. Mark, Capacity of UWB Networks Supporting Multimedia Services, Proc. QShine'06, Waterloo, ON, Canada, Aug. 7--9, 2006.

[C15] M. Veluppillai, L. Cai, X. Shen, and J. W. Mark,  Matching algorithms for infrastructure-based wireless networks employing cooperative diversity system, Proc. IEEE WCNC'06,  Las Vegas, NV, USA, April 3--6, 2006.

[C14] L. Cai, J. Pan, and X. Shen, Vulnerability analysis of IP traceback schemes, Proc. IEEE Globecom'05, St. Louis, MO,  USA, Nov. 28--Dec. 2, 2005.

[C13] L. Cai, X. Shen, J. W. Mark, L. Cai, and Y. Xiao,  Voice capacity analysis of WLAN with unbalanced traffic, the Second International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks (QShine), Orlando, Florida, USA,  Aug. 22--24, 2005.

[C12]  L. Cai, J. Pan, X. Shen, and J. W. Mark, Collaborating selfish peers in wireless ad hoc networks, Proc. IFIP Networking'05,  Waterloo, ON, Canada, May 2--6, 2005. [PDF]

[C11] L. Cai, X. Shen, J. W. Mark, and J. Pan,  A QoS-aware AIMD protocol for  time-sensitive applications in wireless/wired  networks, Proc. IEEE Infocom'05, Miami, Florida, March 13--17, 2005. [PDF]

[C10] H. Shen,  L. Cai, and X. Shen, Performance analysis of equation based TFRC over wireless links with link level ARQ, Proc. IEEE Globecom'04,  vol.3, pp. 1681-1685, Dallas, Texas, Nov. 29--Dec. 3, 2004.

[C9] F. M. Shao, X. Shen, L. Cai, and L. C. Zhao, Lifetime optimization of wireless sensor networks subject to reliability constraint, Proc. 2004 Global Mobile Congress, pp. 354-359, Shanghai, China, Oct. 11--13, 2004.

[C8]  L. Cai, J. Pan, and X. Shen, Exploiting distance indexed IP traceback schemes, ACM Sigcomm'04 (poster) , Portland, Oregon, USA, Aug. 30 --Sept. 3, 2004.

[C7] L. Cai, X. Shen, and J. W. Mark,  Delay analysis for AIMD flows in wireless/IP networks, Proc. IEEE Globecom'03, vol. 6, pp. 3221--3225, San Francisco, California, USA, Dec. 1--5, 2003.

[C6] J. Pan, Y. Hou, L. Cai, Y. Shi, and X. Shen,  Topology control for wireless sensor networks,  Proc. ACM Int'l Conf. on Mobile Comp. and Netw. (MobiCom'03), pp. 286--299, San Diego, California, USA, Sept. 14--19, 2003. [PDF]

[C5] J. Pan, Y. Hou, L. Cai, Y. Shi, and X. Shen,  Locating base stations for video sensor networks,  Proc. IEEE Semiannual Vehicular Technology Conference (VTC'03), Orlando, Florida, USA, Oct. 4--9, 2003.

[C4] L. Cai, X. Shen, and J. W. Mark,  AIMD congestion control for variable packet size flows, Proc. 2003 World Wireless Congress, San Francisco, California, USA, May 27--30, 2003.

[C3] L. Cai, G. Gong, X. Shen, and J. W. Mark,  Searching of A5/1 keystream periods, Proc. 2003 Canadian Workshop on Information Theory, pp. 79--82, Waterloo, Ontario, Canada, May 18--21, 2003.

[C2] L. Cai, X. Shen, and J. W. Mark,  Congestion control for web-based multimedia playback applications, Proc. IEEE ICC'03, vol. 1, pp. 562 566, Anchorage, Alaska, USA, May 11--15, 2003.

[C1] L. Cai, X. Shen, and J. W. Mark,  TCP-friendly AIMD congestion control protocol supporting heterogeneous traffic, Proc. Int'l Conf. on 3G Wireless and Beyond, pp. 281--286, San Francisco, California, USA, May 28--31, 2002.

Book Chapters

[BC3]  L. X. Cai, L. Cai, X. Shen, and J. W. Mark, ``Resource Management for mmWave based WPANs with Directional Antenna,'' in H.~Wu Ed. Medium Access Control in Wireless Networks, 2007.

[BC2] J. Pan, L. Cai, and X. Shen, Promoting identity-based key management in wireless ad hoc networks, Editeds Y. Xiao, X. Shen, andD. Z. Du, Wireless/Mobile Network Security,  Springer 2006.

[BC1] L. Cai, J. Ye, J. Pan, X. Shen, and J. Mark,  Fuzzy inference based server selection in content distribution networks,  pp. 77-100, Editors Y. Zhang, A. Kandel, T. Lin and Y. Yao,  Computational Web Intelligence: Intelligent Technology for Web Applications, World Scientific, 2004. (ISBN 981-238-827-3)

Technical Reports

[T5] L. Wang, L. Cai, X. Liu, and X. Shen, Boundedness of AIMD/RED System with Time Delays, Dept. of E&CE, Tech. Rep.,  July 2007.  [PDF]

[T4] L. Wang, L. Cai, X. Liu, and X. Shen, AIMD Congestion Control: Stability, TCP-friendliness, Delay Performance, Tech. Rep., Mar. 2006. [PDF]

[T3] L. Cai, J. Pan, X. Shen, and J. W. Mark,  Promoting identity-based key management in wireless ad hoc network, University of Waterloo, E&CE Tech. Rep., Oct. 2004.

[T2] L. Cai, X. Shen, J. W. Mark, and J. Pan,  Performance analysis of AIMD-controlled multimedia flows in wireless/IP networks, University of Waterloo, E&CE Tech. Rep.,  May  2004.

[T1] L. Cai, X. Shen, J. W. Mark, and J. Pan, QoS support for multimedia traffic in wireless/IP networks using AIMD protocols, University of Waterloo, E&CE Tech. Rep., May 2004.

Copyright Notice

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