An adaptive energy-efficient MAC protocol for wireless sensor networks
Proceedings of the 1st international conference on Embedded networked sensor systems
Energy-efficient collision-free medium access control for wireless sensor networks
Proceedings of the 1st international conference on Embedded networked sensor systems
Medium access control with coordinated adaptive sleeping for wireless sensor networks
IEEE/ACM Transactions on Networking (TON)
Z-MAC: a hybrid MAC for wireless sensor networks
Proceedings of the 3rd international conference on Embedded networked sensor systems
Analysis of a Hybrid Access Scheme for Buffered Users-Probabilistic Time Division
IEEE Transactions on Software Engineering
Proceedings of the 9th ACM/IEEE International Conference on Information Processing in Sensor Networks
Making sensornet MAC protocols robust against interference
EWSN'10 Proceedings of the 7th European conference on Wireless Sensor Networks
Energy-efficient low power listening for wireless sensor networks in noisy environments
Proceedings of the 12th international conference on Information processing in sensor networks
Adaptive instantiation of the protocol interference model in wireless networked sensing and control
ACM Transactions on Sensor Networks (TOSN)
Design and implementation of a single radio multi-channel MAC protocol on IEEE 802.15.4 for WBAN
Proceedings of the 8th International Conference on Ubiquitous Information Management and Communication
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Discrete event control loops in modern-day machines often comprise a large number of sensors (50-200) reporting to a controller. Many discrete control applications must cater to hard real-time requirements i.e. sensors must communicate the occurrence of critical events to the controller within a real-time deadline (usually 5-50ms) specified by the control system's design requirements. Messages reached after this deadline are considered lost. In the event of traffic bursts where several sensors may attempt to communicate with the PLC at the same time, messages from all the sensors must reach within the specified deadline. The metric for performance in such systems is then the probability that a message from all the sensors succeeds in being received at the controller within this deadline. Further, for such solutions to be viable, the sensors must last for several years without requiring change of batteries. In this paper we examine the potential for using 802.15.4 based radios for wireless sensing in low-latency hard real-time discrete event control applications.