Sensors, from smart home temperature-measuring devices to industrial multi-mode sensing instruments, are everywhere and are increasingly connected via wireless networks. Not only do they perform sensing functions collaboratively to display measured parameters on monitors, many of them are also integrated with actuators like thermostats while others send data and instructions to actuators to perform appropriate functions via a wireless network. Sensors may be endowed with low-power computing elements to perform data processing at the sensing locations (edge-computing) to reduce data traffic to a central processing site. Sensors and actuators can be stand-alone or embedded into larger and more complex systems. All these exemplary scenarios give rise to Real-Time Wireless Sensor and Actuator Networks (RT-WSAN’s), enabling the ubiquitous development and deployment of sensor-enabled smart systems. Wireless networks of smart sensors and actuators will revolutionize a wide array of application domains by introducing an unprecedented density and fidelity of instrumentation. They also present multiple system challenges resulting from timing, resource, power, and cost constraints as well as irregularity, mobility, scale, and uncertainty.
This Special Issue provides an ideal venue to address research challenges facing the specification, design, analysis, verification, implementation, deployment, use, and fundamental limits of these systems. RT-WSAN systems require contributions from many fields: wireless communication and networking, embedded systems and hardware, Cyber-Physical Systems (CPS), Internet of Things (IoT), energy harvesting and management, edge and fog computing, distributed systems and algorithms, data management, and applications, as well as cross-disciplinary work. This Special Issue aims to bring together researchers from academia, industry, and government to address challenges in building future RT-WSAN’s, with technical papers describing original ideas, transformative results, and real-world experiences. Successful submissions will motivate and describe why the topic is relevant to a vision of the future of sensing and actuating systems. Submissions will be reviewed and judged on originality, significance, clarity, relevance, and correctness.
Wireless Sensor and Actuator Networks
Real-Time and Embedded Systems
Real-Time Machine Learning Networks and Systems
Internet of Things
Network and System Virtualization
Functional Reactive Systems
Secure Embedded Networks and Systems
Knowledge-Based Systems, Edge and Fog Computing