Journal Articles

  1. Y. Tian, W. Wang, J. Wu, Q. Kou, Z. Song, and E. C.-H. Ngai, Privacy Preserving Social Tie Discovery Based on Cloaked Human Trajectories, IEEE Transactions on Vehicular Technology, Vol 66, Issue 2, 2017, pp. 1619-1630.
  2. E. C.-H. Ngai, B. Ohlman, G. Tsudik, E. Uzun, M. Wahlisch, and C. A. Wood, Can We Make a Cake and Eat it Too? A Discussion of ICN Security and Privacy, ACM SIGCOMM Computer Communication Review, Vol 47, Issue 1, 2017, pp. 49-54.
  3. B. Ahlgren, M. Hidell, and E. C.-H. Ngai, Internet-of-Things for Smart Cities: Interoperability and Open Data, IEEE Internet Computing, Vol 20, Issue 6, Nov-Dec 2016.
  4. Q. Liu, X. Hu, E. C.-H. Ngai, M. Liang, V. C.M. Leung, Z. Cai, J. Yin, A Security Patch Addressing Bandwidth Request Vulnerabilities in the IEEE 802.16 Standard, IEEE Network Magazine, Vol 30, Issue 5, Sep-Oct 2016.
  5. W. Wang, T. Xi, E. C.-H. Ngai, and Z. Song, Energy-Efficient Collaborative Outdoor Localization for Participatory Sensing, Sensors, accepted, 2016.
  6. L. McNamara and E. C.-H. Ngai, SADHealth: A Personal Mobile Sensing System for Seasonal Health Monitoring, to appear in IEEE Systems Journal, accepted, 2016.
  7. L. Zhang, D. Fu, J. Liu, E. C.-H. Ngai, W. Zhu, On Energy-Efficient Offloading in Mobile Cloud for Real Time Video Applications, IEEE Transactions on Circuits and Systems for Video Technology, accepted, 2016.
  8. F. B. Hassani, W. Du, E. C.-H. Ngai, X. Fu, and J. Liu, Cloud-Assisted Data Fusion and Sensor Selection for Internet-of-Things, IEEE Internet of Things Journal, vol. 3, no. 3, pp. 257-268, June 2016.
  9. L. Zhou, X. Hu, E. C.-H. Ngai, H. Zhao, S. Wang, J. Wei, and V. Leung, A Dynamic Graph-based Scheduling and Interference Coordination Approach in Heterogeneous Cellular Networks, IEEE Transactions on Vehicular Technology, vol. 65, no. 5, pp. 3735-3748, May 2016.
  10. E. C.-H. Ngai, Y. Teng, W. Wang, Internet-of-Things and Participatory Sensing for Smart Cities in Europe, ZTE Technology Journal (invited paper), Issue 6, November 2015 (in Chinese).
  11. C. Zhu, V. C. M. Leung, L. Shu, and E. C.-H. Ngai, Green Internet of Things for Smart World, IEEE Access, vol. 3, pp. 2151-2162, November 2015.
  12. X. Hu, J. Deng, J. Zhao, W. Hu, E. C.-H. Ngai, et al., SAfeDJ: A Crowd-Cloud Co-design Approach to Situation-aware Music Delivery for Drivers, ACM Transactions on Multimedia Computing Communications and Applications, vol. 12 issue 1s, October 2015.
  13. W. Li, C. Zhu, L. Yang, L. Shu, E. C.-H. Ngai, and Y. Ma, Subtasks Scheduling for Distributed Robots in Cloud Manufacturing, IEEE Systems Journal, accepted, 2015.
  14. X. Hu, T. Chu, V. Leung, E. Ngai, P. Kruchten, and H. Chan, A Survey on Mobile Social Networks: Applications, Platforms, System Architectures, and Future Research Directions, IEEE Communications Surveys and Tutorials, vol. 17, issue 3, pp. 1557-1581, 2015.
  15. X. Hu, X. Li, E. C.-H. Ngai, V. C.M. Leung, P. Kruchten, Multi-Dimensional Context-Aware Social Network Architecture for Mobile Crowdsensing, IEEE Communication Magazine, vol.52, no.6, pp.78-87, June 2014.
  16. Y. Man and E. C.-H. Ngai, Energy-Efficient Automatic Location-Triggered Applications on Smartphones, Computer Communication, Volume 50, September 2014, pp. 2940.
  17. E. C.-H. Ngai and P. Gunningberg, Quality-of-Information Aware Data Collection for Mobile Sensor Networks, Pervasive and Mobile Computing, vol. 11, Apr 2014, pp. 203-215.
  18. R. Shea, J. Liu, E. C.-H. Ngai, and Y. Cui, Cloud Gaming: Architecture and Performance, IEEE Network Magazine, vol. 27, issue 4, Jul/Aug 2013, pp. 16-21.
  19. E. C.-H. Ngai and I. Rodhe, On Providing Location Privacy for Mobile Sinks in Wireless Sensor Networks, ACM/Springer Wireless Networks (WINET), Jan 2013, Vol. 19, Issue 1, pp. 115-130.
  20. Z. Ruan, E. C.-H. Ngai, and J. Liu, Wireless Sensor Deployment for Collaborative Sensing with Mobile Phones, Computer Networks, vol. 55, issue 15, Oct 2011, pp. 3224-3245.
  21. E. C.-H. Ngai, On Providing Sink Anonymity for Sensor Network, Security and Communication Networks, vol. 4, 2011, pp. 1-10.
  22. E. C-H. Ngai, Y. Zhou, M. R. Lyu and J. Liu, A Delay-Aware Reliable Event Reporting Framework for Wireless Sensor-Actuator Networks, Ad Hoc Networks, vol. 8, issue 7, 2010, pp. 694-707.
  23. E. Gelenbe and E. C.-H. Ngai, Random Re-Routing in Wireless Sensor Networks, The Computer Journal, vol. 53, no. 7, 2010, pp. 1052-1061.
  24. E. C.-H. Ngai, J. Liu and M. R. Lyu, An Adaptive Delay-Minimized Route Design for Wireless Sensor-Actuator Networks, IEEE Transactions on Vehicular Technology, vol. 58, no. 9, 2009, pp. 5083-5094.
  25. E. C.-H. Ngai, J. Liu, and M. R. Lyu, An Efficient Intruder Detection Algorithm Against Sinkhole Attacks in Wireless Sensor Networks, Computer Communications, vol. 30, September 2007, pp. 2353-2364.

Conference Papers

  1. X. Liu, T. Xi, E. C.-H. Ngai, and W. Wang, Path Planning for Aerial Sensor Networks with Connectivity Constraints, IEEE International Conference on Communications (ICC), Paris, France, May 2017.
  2. X. Liu, T. Xi, E. C.-H. Ngai, Data Modelling with Gaussian Process in Sensor Networks for Urban Environmental Monitoring, IEEE Conference on Modelling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS), Sep 2016.
  3. F. Hermans, L. McNamara, G. Sörös, C. Rohner, T. Voigt, E. C.-H. Ngai, Focus: Robust Visual Codes for Everyone, ACM International Conference on Mobile Systems, Applications, and Services (MobiSys), Singapore, Jun 2016.
  4. A. J. Pushpam, R. Agren, E. C.-H. Ngai, K. Ausmees, A Low-Cost Sensor Network for Urban Air Quality Monitoring, 12th Swedish National Computer Networking Workshop (SNCNW), Sundsvall, Sweden, Jun 2016.
  5. J. Borgh, E. C.-H. Ngai, and B. Ohlman, Employing Attribute-Based Encryption in Systems with Resource Constrained Devices in an Information-Centric Networking Context 12th Swedish National Computer Networking Workshop (SNCNW), Sundsvall, Sweden, Jun 2016.
  6. Z. Pang, G. Bag, E. C.-H. Ngai, and V. Leung, Native IP connectivity for Sensors and Actuators in Home Area Network, 1st EAI International Conference on Smart Grid Inspired Future Technologies (SmartGift), Liverpool, UK, May 2016. (Invited Paper)
  7. T. Xi, W. Wang, E. C.-H. Ngai, Z. Song, Y. Tian, and X, Gong, Energy-efficient Collaborative Localization for Participatory Sensing System, IEEE Global Telecommunications Conference (Globecom), San Diego, CA, USA, 6-10 Dec 2015.
  8. Y. Yang, Y. Tian, E. C.-H. Ngai, L. Zhang, Y. Teng, and W. Wang, Vulnerable Friend Identification: Who Should You Beware of Most in Online Social Networks, IEEE Global Telecommunications Conference (Globecom), San Diego, CA, USA, 6-10 Dec 2015.
  9. P. Sathyamoorthy, E. C.-H. Ngai, X. Hu, and V. C. M. Leung, Energy Efficiency as an Orchestration Service for Mobile Internet of Things, IEEE International Conference on Cloud Computing Technology and Science (CloudCom), Vancouver, November, 30 Nov-3 Dec 2015.
  10. A. S. Krishnan, X. Hu, J.-Q. Deng, L. Zhou, E. C.-H. Ngai, X. Li, V. C.M. Leung, Y.-K. Kwok, Towards In Time Music Mood-Mapping for Drivers: A Novel Approach, ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM), 2-6 Nov 2015, Cancun, Mexico.
  11. A. Mohammad Malik, B. Ahlgren, B. Ohlman, A. Lindgren, E. C.-H. Ngai, L. Klingsbo, and M. Lng, Experiences from a Field Test using ICN for Live Video Streaming, Workshop on Multimedia Streaming in Information-Centric Networks (MuSIC), in conjunction with ICME, Torino, Italy, 3 July 2015.
  12. Q. Kou, Y. Tian, Z. Song, E. C.-H. Ngai, and W. Wang, Privacy Preserving Social Tie Discovery Based on Cloaked Human Trajectories, International Workshop on Hot Topics in Planet-scale Mobile computing and online Social Networking (HotPost), in conjunction with ACM MobiHoc, Jun 2015, Hangzhou, China. (Invited Paper)
  13. T. Xi, E. C.-H. Ngai, Z. Song, Y. Tian, X. Guo, and W. Wang, Collaborative Localization in Participatory Sensing with Load Balancing, IEEE/ACM IWQoS (Poster), Portland, USA, 15-16 Jun 2015.
  14. X. Liu , X. Song, E. C.-H. Ngai, J. Ma and W. Wang, PM2.5 Monitoring using Images from Smartphones in Participatory Sensing, IEEE SmartCity Workshop in Conjuction with IEEE Infocom, April 2015.
  15. L. Zhou, X. Hu, C. Zhu, E. C.-H. Ngai, S. Wang, J. Wei, and V. C.M. Leung, Green Small Cell Planning in Smart Cities under Dynamic Traffic Demand, IEEE SmartCity Workshop in conjunction with IEEE Infocom, April 2015.
  16. X. Hu, X. Li, E. C. H. Ngai, J. Zhao, V. C. M. Leung, and P. Nasiopoulos, Health Drive: Mobile Healthcare Onboard Vehicles to Promote Safe Driving, 48th Annual Hawaii International Conference on System Sciences (HICSS 2015), Grand Hyatt, Kauai, Jan 2015, pp. 3074-3083.
  17. X Hu, J.-Qi Deng, W. Hu, G. Fotopoulos, E. C.-H. Ngai, Z. Sheng, M. Liang, X. Li, V. C. M. Leung, and S. Fels, SAfeDJ Community: Situation-Aware In-Car Music Delivery for Safe Driving, ACM MobiCom (Poster), Maui, Hawaii, Sep 2014.
  18. Z. Song, E. C.-H. Ngai, J. Ma and W. Wang, A Novel Incentive Negotiation Mechanism for Participatory Sensing under Budget Constraints, IEEE/ACM IWQoS, Hong Kong, China, 26-27 May 2014.
  19. F. H. Bijarbooneh, W. Du, E. C.-H. Ngai, and X. Fu, Energy-Efficient Sensor Selection for Data Quality and Load Balancing in Wireless Sensor Networks, IEEE/ACM IWQoS, Hong Kong, China, 26-27 May 2014.
  20. G. Xu, E. C.-H. Ngai, and J. Liu, Information-Centric Collaborative Data Collection for Mobile Devices in Wireless Sensor Networks, IEEE ICC, Sydney, Australia, 10-14 Jun 2014.
  21. K. Niroumand, L. McNamara, K. Goguev, and E. C.-H. Ngai, SADSense: Personalized Mobile Sensing for Seasonal Effects on Health, ACM/IEEE IPSN (poster), Berlin, Germany, 15-17 Apr 2014.
  22. F. Hermans, L. McNamara, T. Voigt, C. Rohner, E. C.-H. Ngai, and P. Gunningberg, Supporting Heterogeneous LCD/Camera Links, ACM/IEEE IPSN (poster), Berlin, Germany, 15-17 Apr 2014.
  23. Z. Song, E. C.-H. Ngai, J. Ma, X. Gong, Y. Liu, and W. Wang, Incentive Mechanism for Participatory Sensing under Budget Constraints, IEEE WCNC, Istanbul, Turkey, 6-9 April 2014.
  24. B. Mumey, G. Xu, E. C.-H. Ngai, Ubiquitous Sensor Data Collection with Mobile Users, International Conference on Computing, Networking and Communications (ICNC), Honolulu, Hawaii, USA, 3-6 Feb 2014.
  25. F. Bijarbooneh, P. Flener, E. C.-H. Ngai and J. Pearson, Optimizing Quality of Information in Data Collection for Mobile Sensor Networks, IEEE IWQoS, Montreal, Canada, 3-4 Jun 2013.
  26. F. Hermans, O. Rensfelt, T. Voigt, E. C.-H. Ngai, L.-A. Norden, and P. Gunningberg, SoNIC: Classifying Interference in 802.15.4 Sensor Networks, ACM/IEEE IPSN, Philadelphia, USA, 8-11 Apr 2013. (Best paper runner-up)
  27. Y. Man, E. C.-H. Ngai, and Y. Liu, A Glimpse of Energy-Efficient Location-Triggered Mobile Application Design and Implementation in Data Collection Scenarios, IEEE MSN 2012, Chengdu, China, 14-16 Dec 2012.
  28. I. Rodhe, C. Rohner, and E. C.-H. Ngai, On Location Privacy and Quality of Information in Participatory Sensing, ACM Symposium on QoS and Security for Wireless and Mobile Networks (Q2SWinet), Paphos, Cyprus Island, 21-25 Oct 2012.
  29. F. Hermans, E. C.-H. Ngai and P. Gunningberg, Global Source Mobility in the Content-Centric Networking Architecture, ACM MobiHoc Workshop on Emerging Name-Oriented Mobile Networking Design (NOM), South Carolina, USA, 11-14 Jun 2012.
  30. F. Chen, J. Liu and E. C.-H. Ngai, Collaborative View Synthesis for Interactive Multi-view Video Streaming, ACM Network and Operating System Support for Digital Audio and Video Workshop (NOSSDAV), Toronto, Canada, 7-8 Jun 2012.
  31. N. Makvandian and E. C.-H. Ngai, Seasonal Affective Disorder Monitoring System, Swedish National Computer Networking Workshop (SNCNW 2012), Stockholm, 7-8 Jun 2012.
  32. X. Tong and E. C.-H. Ngai, A Ubiquitous Publish/Subscribe Platform for Wireless Sensor Networks with Mobile Mules, IEEE DCOSS, Hangzhou, China, 16-18 May 2012.
  33. F. H. Bijarbooneh, P. Flener, E. C.-H. Ngai and J. Pearson, An Optimization-based Approach for Wireless Sensor Deployment in Mobile Sensing Environments, IEEE WCNC, Paris, France, 1-4 April 2012.
  34. H. Huang, E. C.-H. Ngai and J. Liu, A Location-Based Publish/Subscribe Framework for Wireless Sensors and Mobile Phones, IEEE WCNC, Paris, France, 1-4 April 2012.
  35. E. C.-H. Ngai, M. B. Srivastava and J. Liu, Context-Aware Sensor Data Dissemination for Mobile Users in Remote Areas, IEEE Infocom, mini-conference, Orlando, FL, USA, 25-30 March 2012. ??
  36. E. C.-H. Ngai and P. Gunningberg, Quality-of-Information Aware Data Collection for Mobile Sensor Networks, International Workshop on Information Quality and Quality of Service for Pervasive Computing (IQ2S), in conjunction with IEEE PerCom, Lugano, Switzerland, 19-23 March 2012. (Invited paper)
  37. J. Xiong, E. C.-H. Ngai, Y. Zhou and M. R. Lyu, RealProct: Reliable Protocol Conformance Testing with Real Nodes for Wireless Sensor Networks, IEEE TrustCom, Changsha, China, 16-18 November 2011.
  38. Y. Kim, E. C.-H. Ngai, and M. B. Srivastava, Cooperative State Estimation for Preserving Privacy of User Behaviors in Smart Grid, IEEE SmartGridComm, Brussels, Belgium, 17-20 October 2011.
  39. J. Guerreiro, E. C.-H. Ngai, and C. Rohner, Privacy-Aware Probabilistic Sampling for Data Collection in Wireless Sensor Networks, International Wireless Communications and Mobile Computing Conference ('11), Istanbul, Turkey, 5-8 July 2011, pp. 1-6.
  40. P. Ekberg and E. C.-H. Ngai, A Distributed Swarm-Intelligent Localization for Sensor Networks with Mobile Nodes, International Wireless Communications and Mobile Computing Conference ('11), Istanbul, Turkey, 5-8 July 2011, pp. 1-6.
  41. E. C.-H. Ngai and J. Xiong, Adaptive Collaborative Sensing Using Mobile Phones and Stationary Sensors, International workshop on Adaptive and Dependable Mobile Ubiquitous Systems, in conjunction with DSN, Hong Kong, China, 27-30 June 2011.
  42. E. C.-H. Ngai, H. Huang, J. Liu and M. Srivastava, OppSense: Information Sharing for Mobile Phones in Sensing Field with Data Repositories, IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks (SECON'11), Salt Lake City, Utah, USA, 27-30 June, 2011, pp. 1-9.
  43. F. Hermans, E. C.-H. Ngai and P. Gunningberg, Mobile Sources in an Information-Centric Network with Hierarchical Names: An Indirection Approach, Swedish National Computer Networking Workshop, Linkoping, June 13-14, 2011.
  44. F. H. Bijarbooneh, P. Flener, E. C.-H. Ngai and J. Pearson, Energy-Efficient Task-Mapping for Data-Driven Sensor Network Macroprogramming Using Constraint Programming, INFORMS Computing Society Conference (ICS'11), Monterey, California, USA, 9-11 January 2011, pp. 1-13.
  45. F. Chen, X. Tong, E. C.-H. Ngai and F. Dresslor, Mode Switch - Adaptive Use of Delay-Sensitive Or Energy-Aware Communication in IEEE 802.15.4-Based Networks, IEEE International Conference on Mobile Ad-Hoc and Sensor Systems (MASS'10), 8-12 November 2010, San Francisco, CA, USA, pp. 302-311.
  46. F. H. Bijarbooneh, P. Flener, E. C.-H. Ngai and J. Pearson, Energy-Efficient Task-Mapping for Data-Driven Sensor Network Macroprogramming Using Constraint Programming, 9th International Workshop on Constraint Modelling and Reformulation (ModRef'10), St. Andrews, Scotland, UK, 6 September 2010.
  47. Z. Ruan, E. C.-H. Ngai, and J. Liu, Wireless Sensor Network Deployment in Mobile Phones Assisted Environment, IEEE International Workshop on Quality of Service (IWQoS'10), 16-18 June 2010, Beijing, China, pp. 1-9. (Best paper runner-up)
  48. F. Hermans, O. Rensfelt, P. Gunningberg, L.-??. Larzon, and E. C.-H. Ngai, Sensei-UU -- A Relocatable WSN Testbed Supporting Repeatable Node Mobility, International Conference on Testbeds and Research Infrastructures for the Development of Networks & Communities (TridentCom'10), 18-20 May 2010, Berlin, Germany.
  49. G. Humber and E. C.-H. Ngai, Quality-of-Information Aware Data Delivery for Wireless Sensor Networks: Description and Experiments, IEEE Wireless Communications and Networking Conference (WCNC'10), Sydney, Australia, 18-21 April 2010, pp. 1-6
  50. E. C.-H. Ngai and I. Rodhe, On Providing Location Privacy for Mobile Sinks in Wireless Sensor Networks, 12th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM'09), 26-30 October 2009, Tenerife, Canary Islands, Spain, pp. 116-123.
  51. E. C.-H. Ngai, E. Gelenbe, G. Humber, Information-Aware Traffic Reduction for Wireless Sensor Networks, 34th Annual IEEE Conference on Local Computer Networks (LCN'09), 20-23 October 2009, Zurich, Switzerland, pp. 451-458.
  52. E. C.-H. Ngai, On Providing Sink Anonymity for Sensor Networks, International Wireless Communications and Mobile Computing Conference ('09), 21-24 June 2009, Leipzig, Germany.
  53. E. C.-H. Ngai and B. K.-H. Tsoi, Protecting Receiver Privacy in Routing for Wireless Sensor Networks, International Workshop on Mobile and Wireless Networks Security, 11-15 May 2009, Aachen, Germany.
  54. E. Gelenbe, E. C.-H. Ngai, and P. Yadav, Routing of High-Priority Packets in Wireless Sensor Networks, SPIE Symp. Defense, Security and Sensing, 13-17 April 2009, Orlando USA.
  55. S. Zahedi, E. C.-H. Ngai, E. Gelenbe, D. Mylaraswamy, and M. Srivastava, Information Quality Aware Sensor Network Services, Asilomar Conference on Signals, Systems, and Computer, Pacific Grove, CA, Oct 26-29, 2008.
  56. E. Gelenbe and E. C.-H. Ngai, Adaptive QoS Routing for Significant Events in Wireless Sensor Networks, The 5th IEEE International Conference on Mobile Ad-Hoc and Sensor Systems (MASS'08), Atlanta, Georgia, Sep 29 ??? Oct 2, 2008.
  57. E. Gelenbe and E. C.-H. Ngai, Adaptive Random Re-Routing for Differentiated QoS in Sensor Networks, BCS Visions of Computer Science Conference, Imperial College London, Sep 22-24 2008.
  58. E. Gelenbe and E. C.-H. Ngai, Random Re-Routing in Sensor Networks, Annual Conference of International Technology Alliance (ACITA), Imperial College London, Sep 16-18 2008.
  59. R. Lent and E. C.-H. Ngai, Lightweight Clustering in Wireless Sensor-Actuator Networks on Obstructed Environments, IEEE International Symposium on Wireless Pervasive Computing (ISWPC'08), Santorini, Greece, May 7-9, 2008.
  60. E. C.-H. Ngai, Y. Zhou, M. R. Lyu, and J. Liu, LOFT: A Latency-Oriented Fault Tolerant Transport Protocol for Wireless Sensor-Actuator Networks, IEEE Global Telecommunications Conference (Globecom'07), Washington, DC, USA, November 26-30, 2007.
  61. E. C.-H. Ngai, J. Liu, and M. R. Lyu, An Adaptive Delay-Minimized Route Design for Wireless Sensor-Actuator Networks, The 4th IEEE International Conference on Mobile Ad-Hoc and Sensor Systems (MASS'07), Pisa, Italy, October 8-11, 2007.
  62. Y. Zhou, E. C.-H. Ngai, M. R. Lyu, and J. Liu, POWER-SPEED: A Power-Controlled Real-Time Data Transport Protocol for Wireless Sensor-Actuator Networks, IEEE Wireless Communications & Networking Conference (WCNC'07), Hong Kong, March 11-15, 2007.
  63. E. C.-H. Ngai, J. Liu, and M. R. Lyu, Delay-Minimized Route Design for Wireless Sensor-Actuator Networks, IEEE Wireless Communications & Networking Conference (WCNC'07), Hong Kong, March 11-15, 2007.
  64. E. C.-H. Ngai, Y. Zhou, M. R. Lyu, and J. Liu, Reliable Reporting of Delay-Sensitive Events in Wireless Sensor-Actuator Networks, The Third IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS'06), Vancouver, Canada, October 9-12, 2006.
  65. Y. Zhou, H. Yang, M. R. Lyu, and E. C.-H. Ngai, A Point-Distribution Index And Its Application to Sensor Grouping in Wireless Sensor Networks, International Wireless Communications and Mobile Computing Conference ('06), Vancouver, Canada, July 3-6, 2006.
  66. E. C.-H. Ngai, J. Liu, and M. R. Lyu, On the Intruder Detection for Sinkhole Attack in Wireless Sensor Networks, IEEE International Conference on Communications (ICC'06), Istanbul, Turkey, June 11-15, 2006.
  67. E. C.-H. Ngai and M. R. Lyu, An Authentication Service Based on Trust and Clustering in Wireless Ad Hoc Networks: Description and Security Evaluation, IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (SUTC'06), Taichung, Taiwan, June 5-7, 2006.
  68. E. C.-H. Ngai, M. R. Lyu, and J. Liu, A Real-Time Communication Framework for Wireless Sensor-Actuator Networks, IEEE Aerospace Conference 2006, Big Sky, Montana, USA, March 4-11, 2006.
  69. E. C.-H. Ngai, M. R. Lyu, and R. T. Chin, An Authentication Service Against Dishonest Users in Mobile Ad Hoc Networks, IEEE Aerospace Conference 2004, Big Sky,?? Montana, USA, March 6-13, 2004.
  70. E. C.-H. Ngai and M. R. Lyu, Trust- and Clustering-Based Authentication Services in Mobile Ad Hoc Networks, The Second International Workshop on Mobile Distributed Computing (MDC'04), in conjunction with ICDCS'04, Tokyo , Japan , March 23-26, 2004.
  71. E. C.-H. Ngai, P. W. Chan, E. Yau and M. R. Lyu, XVIP: An XML-Based Video Information Processing System, The 26th Annual International Computer Software and Applications Conference (COMPSAC'02), Oxford, England, August 26-29, 2002, pp.173-17.