Leong Wai Kay

Leong Wai Kay serves as a Senior Lecturer (Educator Track) in the Department of Computer Science at the School of Computing, National University of Singapore (NUS). He earned both his Ph.D. in Computer Science (2014) and Bachelor of Computing with First Class Honours (2006) from NUS. Currently, he teaches core undergraduate courses including Programming Methodology (CS1010S) and Software Engineering on Modern Platforms (CS3217), contributing significantly to the computing education at NUS.

Education Background

• Doctor of Philosophy in Computer Science, 2014, National University of Singapore
• Bachelor of Computing (Honours, First Class), 2006, School of Computing, National University of Singapore

Research Focus

Dr. Leong's research spans several key areas in computer science, with primary emphasis on Computer Networks and Mobile Cellular Networks. His work investigates performance optimization and security challenges in wireless and cellular environments, including TCP congestion control mechanisms, interference in 802.11 networks, and vulnerabilities in public IP addressing for 4G/LTE. Additional interests include Peer-to-Peer Networking, Programming Languages, Augmented Reality, and Drone Networks, reflecting a broad engagement with both theoretical and applied networking problems.

Publication Trends

Over the period 2009-2017, Dr. Leong published 10 peer-reviewed articles in top-tier networking conferences. His research trajectory shows a consistent focus on mobile and wireless networking, with particular attention to cellular data networks (3G/4G) and Wi-Fi systems. Key themes include protocol design flaws, measurement studies, and performance optimization. His work often addresses real-world network performance issues, such as ACK delays and interference, demonstrating a practical approach to networking research.

Awards and Recognition

No scientific awards, fellowships, or major prizes were mentioned in the provided text.

Teaching and Mentorship

Dr. Leong has taught multiple foundational courses at NUS, including CS1010S (Programming Methodology), CS2105 (Computer Networks), and CS3217 (Software Engineering on Modern Platforms). While the text does not specify his role in student advising, his educator track position suggests a primary focus on teaching excellence and curriculum development.