Robert Stewart

Dr. Robert Stewart serves as a Lecturer in the Department of Computer and Software Engineering within the Faculty of Engineering and Informatics. With an h-index of 5 and 83 citations according to Scopus, his research spans from 2003 to 2017, focusing on networked systems with particular expertise in Internet of Things (IoT), Wireless Sensor Networks (WSN), and Quality of Service (QoS) for real-time applications. His academic contributions demonstrate sustained engagement in solving critical communication infrastructure challenges.

Stewart's research interests converge on technical optimization of IoT and WSN frameworks, with significant emphasis on precision agriculture applications. He has pioneered dynamic management systems using K-means machine learning for agricultural IoT, developed propagation models for wireless signal behavior in farm environments, and engineered resource allocation techniques to mitigate interference in mobile sensor networks. His research fingerprint highlights dominant expertise in Quality of Service (100%), Wireless Sensor Network (90%), and Internet-Of-Things (49%), reflecting a cohesive trajectory toward enhancing network reliability in resource-constrained operational settings. These efforts directly support UN Sustainable Development Goals for sustainable agriculture and resilient infrastructure development.

Analysis of his 2016-2017 publications reveals a strategic focus on machine learning integration and protocol optimization for agricultural IoT systems. Key trends include using K-means clustering for dynamic resource management, developing propagation models for precision agriculture signal transmission, and optimizing coordinator functionality in Personal Area Networks to enhance QoS. His work demonstrates progressive sophistication in addressing channel interference, traffic differentiation, and duty cycle adaptation within IEEE 802.15.4 networks, establishing a clear research trajectory bridging theoretical networking principles with practical agricultural technology implementations.