Wei Koong Chai

Dr Wei Koong Chai

  • Principal Academic in Computing
  • Poole House P334a, Talbot Campus, Fern Barrow, Poole, BH12 5BB
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Biography

Wei Koong Chai is a Principal Academic in Bournemouth University (BU), UK. He heads the Future and Complex Networks Research Group (FlexNet) in the Department of Computing and Informatics in BU. He is also currently a visiting academic in the Department of Electronic and Electrical Engineering, University College London (UCL), UK. Previously, he was a Senior Research Associate in UCL, where he led the research activities of several research projects, conduct collaborative research and contribute to the teaching and supervision of students at both undergraduate and postgraduate levels. He has successfully raised research funding from both EU and UK funding bodies. He has published papers in fully refereed international conferences and journals and contributed chapters to books. His research work has been constantly receiving citations, recording over 4,000 citations to date (source: Google Scholar). He also serves on the technical program committee of several IEEE/ACM international conferences and workshops...

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Research

Dr. Chai's research spans across heterogeneous networks, including wired/wireless networks and cyber physical systems.

His current research interests include:

* Information-centric Networking (ICN) - Name-based resolution systems, in-network caching, information resilience.

* Communications in Cyber Physical Systems - Communication infrastructures for smart grid applications.

* Network Science - Complex networks, epidemic theory.

He was previously involved in research on quality of service, resource management (e.g., for satellite networks and wireless mesh networks), cross-layer design (specifically on interaction of protocols at different layers), traffic engineering, and network optimization.

He is always looking for PhD students who have great potential. If you are interested, please contact Dr. Chai with your CV in order to advise you for the possibility of funding.

Favourites

Journal Articles

  • Zheng, G., Chai, W.K., Katos, V. and Walton, M., 2021. A joint temporal-spatial ensemble model for short-term traffic prediction. Neurocomputing, 457, 26-39.
  • Wu, D. and Chai, W.K., 2021. Information Resilience in a Network of Caches with Perturbations. IEEE Access.
  • Yuan, G., Xu, Z., Yang, B., Liang, W., Chai, W.K., Tuncer, D., Galis, A., Pavlou, G. and Wu, G., 2020. Fault tolerant placement of stateful VNFs and dynamic fault recovery in cloud networks. Computer Networks, 166.
  • Hosseini, M., Angelopoulos, C.M., Chai, W.K. and Kundig, S., 2019. Crowdcloud: a crowdsourced system for cloud infrastructure. Cluster Computing, 22 (2), 455-470.
  • Chai, W.K., Pavlou, G., Kamel, G., Katsaros, K.V. and Wang, N., 2019. A Distributed Interdomain Control System for Information-Centric Content Delivery. IEEE Systems Journal, 13 (2), 1568-1579.
  • Chai, W.K., 2018. Modelling Spreading Process Induced by Agent Mobility in Complex Networks. IEEE Transactions on Network Science and Engineering, 5 (4), 336-349.
  • Ge, C., Wang, N., Chai, W.K. and Hellwagner, H., 2018. QoE-Assured 4K HTTP live streaming via transient segment holding at mobile edge. IEEE Journal on Selected Areas in Communications, 36 (8), 1816-1830.
  • Yang, B., Katsaros, K.V., Chai, W.K. and Pavlou, G., 2018. Cost-Efficient Low Latency Communication Infrastructure for Synchrophasor Applications in Smart Grids. IEEE Systems Journal, 12 (1), 948-958.
  • Yang, B., Chai, W.K., Xu, Z., Katsaros, K.V. and Pavlou, G., 2018. Cost-Efficient NFV-Enabled Mobile Edge-Cloud for Low Latency Mobile Applications. IEEE Transactions on Network and Service Management, 15 (1), 475-488.
  • Parisis, G., Sourlas, V., Katsaros, K.V., Chai, W.K., Pavlou, G. and Wakeman, I., 2017. Efficient content delivery through fountain coding in opportunistic information-centric networks. Computer Communications, 100, 118-128.
  • Chai, W.K. and Pavlou, G., 2017. Path-Based Epidemic Spreading in Networks. IEEE/ACM Transactions on Networking, 25 (1), 565-578.
  • Chai, W.K. et al., 2015. An Information-Centric Communication Infrastructure for Real-Time State Estimation of Active Distribution Networks. IEEE Transactions on Smart Grid, 6 (4), 2134-2146.
  • Psaras, I., Chai, W.K. and Pavlou, G., 2014. In-network cache management and resource allocation for information-centric networks. IEEE Transactions on Parallel and Distributed Systems, 25 (11), 2920-2931.
  • Katsaros, K., Chai, W., Wang, N., Pavlou, G., Bontius, H. and Paolone, M., 2014. Information-centric networking for machine-to-machine data delivery: A case study in smart grid applications. IEEE Network, 28 (3), 58-64.
  • Bȩben, A., Batalla, J.M., Chai, W.K. and Śliwiński, J., 2013. Multi-criteria decision algorithms for efficient content delivery in content networks. Annales des Telecommunications/Annals of Telecommunications, 68 (3-4), 153-165.
  • Pavlou, G., Wang, N., Chai, W.K. and Psaras, I., 2013. Internet-scale content mediation in information-centric networks. Annales des Telecommunications/Annals of Telecommunications, 68 (3-4), 167-177.
  • Chai, W.K., He, D., Psaras, I. and Pavlou, G., 2013. Cache "less for more" in information-centric networks (extended version). Computer Communications, 36 (7), 758-770.
  • Chai, W. et al., 2011. Curling: Content-ubiquitous resolution and delivery infrastructure for next-generation services. IEEE Communications Magazine, 49 (3), 112-120.
  • Chai, W.K., Karaliopoulos, M. and Pavlou, G., 2009. Providing proportional TCP performance by fixed-point approximations over bandwidth on demand satellite networks. IEEE Transactions on Wireless Communications, 8 (7), 3554-3565.

Chapters

  • Chai, W.K., Georgiades, M. and Spirou, S., 2016. Toward information centric networking: Research, standardization, business, and migration challenges. Media Networks: Architectures, Applications, and Standards. 163-186.
  • Barsocchi, P., Chai, W.K. et al., 2007. Resource management and network layer. Resource Management in Satellite Networks: Optimization and Cross-Layer Design. 243-287.
  • Avgeropoulos, K., Chai, W.K., Giambene, G., Giannetti, S., Hongfei, D., Kueh, V.Y.H., Niebla, C.P., Pasqualetti, V., Sali, A. and Tsigkas, O., 2007. Access schemes and packet scheduling techniques. Resource Management in Satellite Networks: Optimization and Cross-Layer Design. 119-176.

Conferences

  • Zheng, G., Chai, W.K. and Katos, V., 2021. The Sequence-to-Sequence Architecture with An Embedded Module for Long-Term Traffic Speed Forecasting with Missing Data. In: IEEE International Conference on Automation and Computing 2-4 September 2021 Portsmouth. IEEE.
  • Zheng, G., Chai, W.K. and Katos, V., 2019. An ensemble model for short-term traffic prediction in smart city transportation system. 2019 IEEE Global Communications Conference, GLOBECOM 2019 - Proceedings.
  • Derviskadic, A., Romano, P., Get, C., Chai, W.K., Develder, C., Zanni, L., Pignati, M. and Paolone, M., 2018. Design and experimental validation of an LTE-Based synchrophasor network in a medium voltage distribution grid. 20th Power Systems Computation Conference, PSCC 2018.
  • Yang, B., Xu, Z., Chai, W.K., Liang, W., Tuncer, D., Galis, A. and Pavlou, G., 2018. Algorithms for fault-tolerant placement of stateful virtualized network functions. IEEE International Conference on Communications, 2018-May.
  • Li, J., Phan, T.K., Chai, W.K., Tuncer, D., Pavlou, G., Griffin, D. and Rio, M., 2018. DR-Cache: Distributed Resilient Caching with Latency Guarantees. In: IEEE International Conference on Computer Communications (INFOCOM) 15-19 April 2018 Honolulu, HI, USA.
  • Chai, W.K., Sourlas, V. and Pavlou, G., 2017. Providing Information Resilience Through Modularity-Based Caching in Perturbed Information-Centric Networks. Proceedings of the 29th International Teletraffic Congress, ITC 2017, 1, 214-222.
  • Yang, B., Chai, W.K., Pavlou, G. and Katsaros, K.V., 2016. Seamless Support of Low Latency Mobile Applications with NFV-Enabled Mobile Edge-Cloud. Proceedings - 2016 5th IEEE International Conference on Cloud Networking, CloudNet 2016, 136-141.
  • Parisis, G., Sourlas, V., Katsaros, K.V., Chai, W.K. and Pavlou, G., 2016. Enhancing multi-source content delivery in content-centric networks with fountain coding. Proceedings of the 1st Workshop on Content Caching and Delivery in Wireless Networks, CCDWN 2016.
  • Chai, W.K., Kyritsis, V., Katsaros, K.V. and Pavlou, G., 2016. Resilience of interdependent communication and power distribution networks against cascading failures. 2016 IFIP Networking Conference (IFIP Networking) and Workshops, IFIP Networking 2016, 37-45.
  • Katsaros, K.V., Chai, W.K. and Pavlou, G., 2015. Bloom filter based inter-domain name resolution: A feasibility study. ICN 2015 - Proceedings of the 2nd International Conference on Information-Centric Networking, 39-48.
  • Chai, W.K., Katsaros, K.V., Strobbe, M., Romano, P., Ge, C., Develder, C., Pavlou, G. and Wang, N., 2015. Enabling smart grid applications with ICN. ICN 2015 - Proceedings of the 2nd International Conference on Information-Centric Networking, 207-208.
  • Katsaros, K.V., Yang, B., Chai, W.K. and Pavlou, G., 2015. Low latency communication infrastructure for synchrophasor applications in distribution networks. 2014 IEEE International Conference on Smart Grid Communications, SmartGridComm 2014, 392-397.
  • Katsaros, K.V., Chai, W.K., Vieira, B. and Pavlou, G., 2014. Supporting smart electric vehicle charging with information-centric networking. Proceedings of the 2014 10th International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness, QSHINE 2014, 174-179.
  • Psaras, I., Chai, W.K. and Pavlou, G., 2012. Probabilistic in-network caching for information-centric networks. ICN'12 - ACM Proceedings of the Information-Centric Networking Workshop, 55-60.
  • Chai, W.K., He, D., Psaras, I. and Pavlou, G., 2012. Cache "less for more" in information-centric networks. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 7289 LNCS (PART 1), 27-40.
  • He, D., Chai, W.K. and Pavlou, G., 2011. Leveraging in-network caching for efficient content delivery in content-centric network. In: Proceedings of the London Communication Symposium, London, UK 8 September 2011 London.
  • Psaras, I., Clegg, R.G., Landa, R., Chai, W.K. and Pavlou, G., 2011. Modelling and evaluation of CCN-caching trees. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 6640 LNCS (PART 1), 78-91.
  • Rubio-Loyola, J., Chai, W.K. et al., 2010. Platforms and software systems for an autonomic internet. GLOBECOM - IEEE Global Telecommunications Conference.
  • Chai, W.K., Galis, A., Charalambides, M. and Pavlou, G., 2010. Federation of Future Internet Networks. 2010 IEEE/IFIP Network Operations and Management Symposium Workshops, NOMS 2010, 209-216.
  • Chai, W.K., Ho, K.H., Charalambides, M. and Pavlou, G., 2009. A policy-driven network management system for the dynamic configuration of military networks. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 5637 LNCS, 108-121.
  • Chai, W.K., Pavlou, G. and Evans, B., 2007. Providing proportional loss differentiation over bandwidth on demand satellite networks. 25th AIAA International Communications Satellite Systems Conference.
  • Chai, W.K., Karaliopoulos, M. and Pavlou, G., 2007. Providing relative service differentiation to TCP flows over split-TCP geostationary bandwidth on demand satellite networks. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 4517 LNCS, 17-29.
  • Chai, W.K. and Pavlou, G., 2007. Cross-layer enhancement to TCP slow-start over geostationary bandwidth on demand satellite networks. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 4712 LNCS, 86-98.
  • Chai, W.K., Pavlou, G. and Evans, B., 2007. Providing proportional loss differentiation over bandwidth on demand satellite networks. 25th AIAA International Communications Satellite Systems Conference.
  • Chai, W.K., Ho, K.H. and Pavlou, G., 2006. Achieving relative service differentiation for TCP traffic in satellite IP networks using congestion pricing. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 4003 LNCS, 246-258.
  • Chai, W.K., Karaliopoulos, M. and Pavlou, G., 2005. Scheduling for proportional differentiated service provision in geostationary bandwidth on demand satellite networks. GLOBECOM - IEEE Global Telecommunications Conference, 6, 3722-3727.
  • Sun, Z. and Chai, W.K., 2003. Satellite emulator for IP networking based on LINUX. 21st International Communications Satellite Systems Conference and Exhibit.
  • Chai, W.K. and Sun, Z., 2003. QoS Measurement of Multimedia Traffic Via Multi-service Satellite System. In: International Working Conference on Performance Modelling and Evaluation of Heterogeneous Networks (HET-NETs '03) 21-23 July 2003 Ilkley, UK.
  • Sun, Z., Liang, L., Chai, W.K. and Cruickshank, H., 2003. Internet QoS Measurement and Traffic Modelling. In: 2nd International Conference on Conformance Testing and Interoperability (ATS-CONF 2003) 20-21 January 2003 Stuttgart, Germany.

Theses

  • Chai, W.K., 2007. Relative Service Differentiation over Bandwidth on Demand Satellite Networks. PhD Thesis. University of Surrey.

Others

PhD Students

  • Binxu Yang, 2018. On the Design of a Cost-efficient Resource Management Framework for Low Latency Applications (Completed)
  • Nikos Ntemkas
  • Karin Ermert. Understanding and Modelling of Complex Academic Mobility Networks
  • Ge Zheng. Information Resilience in Information-Centric Networking
  • Assemgul Kozhabek. Smart Transportation Network for Smart City Planning

Profile of Teaching PG

  • Mobile, Wireless and Pervasive Technology
  • Mobile and Wireless Networks
  • MSc Individual Project

Profile of Teaching UG

  • Advanced Networks
  • Infrastructure Strategy
  • Final Year Project
  • Network Configuration and Management (2021 only)

Grants

  • Open Platform for Rapid Prototyping of Smart Environment Applications (High Education Innovation Fund (HEIF), 01 Jun 2021). Awarded
  • Modelling, prediction and control of the spread of aquaculture diseases (Centre for Environment, Fisheries and Aquaculture Science, 01 Jan 2021). Awarded
  • Smart Transportation Network for Smart City Planning (Bournemouth-Christchurch-Poole (BCP) Council, 01 Jan 2019). In Progress
  • Information Resilience in Information-Centric Networking (BU PhD studentship, 01 Jan 2018). In Progress
  • A Context-Adaptive Content Ecosystem Under Uncertainty (CONCERT) (CHIST-ERA, 01 Jan 2014). In Progress
  • Cyber-Secure Data and Control Cloud for Power Grids (C-DAX) (European Commission, 01 Oct 2012). Completed
  • Cyber-Secure Data and Control Cloud for Power Grids (C-DAX) (European Commission, 01 Oct 2012). Completed

External Responsibilities

  • Arden University, External Examiner (2019-)
  • University College London, Visiting Academic (2016-), http://www.ee.ucl.ac.uk/~wchai
  • University College London, Honorary Senior Research Fellow (2016-), http://www.ee.ucl.ac.uk/~wchai/
  • National Science Centre, Grant Reviewer (-2015)
  • Engineering and Physical Sciences Research Council (EPSRC), Associate College Member

Internal Responsibilities

  • Programme Leader (PL), BSc Computer Networks
  • Lead, Future and Complex Network Research Group (FLEXNET)

Qualifications

  • PGCE in Education Practice (Bournemouth University, 2018)
  • PhD in Electrical Engineering (University of Surrey, 2007)

Honours

  • Best Paper Award IEEE International Conference on Automation and Computing (ICAC) 2021 (IEEE, 2021)
  • Best Paper Award IEEE International Conference on Automation and Computing (ICAC) 2021 (IEEE, 2021)
  • Certificate for Highly Cited Research (Elsevier, 2016)
  • Top 5 Highest Cited Research in Computer Communications (Elsevier Computer Communications, 2016)
  • Best Paper Award at IFIP Networking 2012 (International Federation for Information Processing (IFIP), 2012)

Memberships

  • IEEE, Senior Member (2004-),
  • ACM, Member,