- Associate Editor, IEEE Transactions on Circuits and Systems II, since 2018
- Associate Editor, IEEE Access, since 2017
- Associate Editor, HKIE Transactions, since 2018
- TPC Co-chair, PERSIST-IoT ¡V Pervasive Systems in the IoT Era, in conjunction with IEEE INFOCOM, 2020
- TPC Co-chair, PERSIST-IoT ¡V Pervasive Systems in the IoT Era, in conjunction with ACM MobiHoc, 2019
- TPC Co-chair, CoWPER ¡V Toward a City-Wide Pervasive Environment, in conjunction with IEEE SECON, 2018
- Local Arrangement and Social Program Chair, International Symposium on Turbo Codes & Iterative Information Processing (ISTC), 2018
- IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), 2015 - 2020
- IEEE International Conference on Communications (ICC), 2015, 2018 - 2021
- IEEE Wireless Communications and Networking Conference (WCNC), 2013 - 2016, 2019 - 2021
- IEEE International Conference on Connected Vehicles and Expo (ICCVE), 2012 - 2016
- ITS Asia Pacific Forum, 2017
- International Conference on Power Electronics Systems and Applications (PESA), 2017
- International Conference on Advances in Vehicular Systems, Technologies and Applications (VEHICULAR), 2017
- International Conference on Mobile Computing and Ubiquitous Networking (ICMU), 2015 - 2017
- International Conference on Frontiers of Information Technology (FIT), 2015
- International Workshop on Smart Sensor Networks (IWSSN), 2013 - 2016
- European Signal Processing Conference (EUSIPCO), 2011
- IEEE International Symposium on Communication Systems, Networks, and Digital Signal Processing (CSNDSP), 2010
- Networks: Computation, Communication and Applications (NCCA) Ph.D. Student Workshop, 2006
Reviewer for Journals
- IEEE Transactions on Mobile Computing, since 2006
- IEEE Transactions on Communications, since 2008
- IEEE Transactions on Wireless Communications, since 2009
- IEEE Transactions on Vehicular Technology, since 2010
- IEEE Transactions on Parallel and Distributed Systems, since 2010
- IEEE Transactions on Intelligent Transportation Systems, since 2013
- IEEE Internet of Things Journal, since 2016
- IEEE Transactions on Circuits and Systems II, since 2017
- IEEE Transactions on Network Science and Engineering, since 2020
- IEEE Access, since 2017
- IEEE Transactions on Reliability, since 2018
- IEEE Transactions on Industrial Electronics, since 2019
- IEEE Transactions on Education, since 2019
- IEEE Communications Magazine, since 2007
- IEEE Communications Letters, since 2010
- IEEE Signal Processing Magazine, since 2016
- IEEE Network Magazine, since 2018
- ACM Transactions on Internet of Things, since 2019
- ACM Computing Surveys, since 2019
- ACM Transactions on Data Science, since 2019
- Springer Wireless Networks (WINET), since 2009
- Elsevier Vehicular Communications (VEHCOM), since 2013
- Elsevier Digital Signal Processing, since 2017
- Elsevier Computer Communications (COMCOM), since 2009
- Journal of Intelligent Transportation Systems, since 2010
- Security and Communication Networks, since 2015
- EURASIP Journal on Wireless Communications and Networking, since 2008
- EURASIP Journal on Advances in Signal Processing, since 2010
- Ad Hoc & Sensor Wireless Networks (AHSWN), since 2010
- Journal of Communications (JCM), since 2008
- Journal of Communications and Networks (JCN), since 2008
- IEICE Nonlinear Theory and Its Applications, since 2013
- Journal of Transport Geography, since 2014
- Sensors, since 2013
- Sustainability, since 2014
- Advances in Artificial Neural Systems, since 2014
- Future Internet, since 2013
- Consultant for Highways Department, HKSAR Government, on ¡§Evaluation of Connectivity and Data Security of Different Telecommunication Technologies for a Public Lighting Remote Control and Monitoring System¡¨, July 2018 ¡V Sept 2019.
- Consultant for the China Business Center (CBC) at PolyU to offer the Information and Communications Technology Training Programme to the Office of Communications Authority (OFCA), HKSAR Government, on ¡§Signaling, Switching and Routing in Telecommunications Networks¡¨, July 2014.
- Panelist, ¡§Transformation: A Connected City ¡V Impacts from 5G and their Societal Benefits,¡¨ Hong Kong ASTRI Technovation Summit, Nov 25, 2019.
- ¡§Complex Network Analysis of Public Transport Networks,¡¨ IEEE International Workshop on Complex Systems and Networks (IWCSN), Nanjing, China, Oct 20, 2018.
- ¡§Efficient Road Map Data Dissemination for Autonomous Vehicles,¡¨ 2017 Fall Workshop on Information Theory and Communications, Penghu, Taiwan, Aug 17, 2017.
- ¡§Autonomous Driving: Above and Beyond,¡¨ Beijing Jiaotong University and Beijing University of Posts and Telecommunications, Beijing, China, Mar 2 ¡V 3, 2016.
- ¡§Joint Traffic and Connectivity Modeling of Vehicular Ad-hoc Networks,¡¨ INFINITUS, School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, Jun 10, 2015.
- ¡§Harnessing the High Bandwidth of Multi-radio Multi-channel Mesh Networks,¡¨ School of Information Science and Engineering, Central South University, China, Oct 2014.
- ¡§Development of Vehicular Communications and Modeling of VANETs for System Planning,¡¨ ITS Forum 2014, ITS Hong Kong, Oct 2014.
- ¡§Technical Seminar on Modeling and Development of Inter-vehicle Communications,¡¨ HKIE, Mar 2014.
- ¡§Technical Seminar on Transport and Communication Modeling of Vehicular Ad-hoc Network (VANET),¡¨ IET Hong Kong, Feb 2014.
Professional Membership and Services
- Senior Member of IEEE
- Corporate Member of IET
- Corporate Member of HKIE
- Committee Member of Electronics and Communication Section (ECS) of IET Hong Kong for Session 2020