Supporting Different QoS Levels in Multiple-Cluster Wireless Sensor Networks
Recent advancement in technology and rapid reduction in costs have led to the uses of Wireless Sensor Networks (WSNs) for applications with requirements significantly differing form traditional monitoring applications. Sensor nodes are now being increasingly used for real-time embedded applications having stringent QoS requirements in terms of timeliness and reliability. However, most of the current set of communication protocols use best effort service and do not provide any real-time guarantees on data delivery. Real-time communication and QoS support in WSN remains an open issue and are the focus of this work.