Efficient Reliable Real-Time Group Communication for Wireless Local Area Networks
EDCC-3 Proceedings of the Third European Dependable Computing Conference on Dependable Computing
An adaptive reservation time division multiple access control protocol for robot inter-communication
International Journal of Wireless and Mobile Computing
Towards an integrated approach of real-time coordination for multi-agent systems
KES-AMSTA'10 Proceedings of the 4th KES international conference on Agent and multi-agent systems: technologies and applications, Part I
Dynamic real-time channel establishment in multiple access bus networks
Computer Communications
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Designing control and robotic systems as autonomous decentralized systems introduces a new degree of flexibility in the manufacturing and in the application of such systems. This flexibility is required for the systems to work in environments that are not totally predictable and that can change dynamically. In this paper, we present a new concept for real-time communication that supports this flexibility while still preserving real-time guarantees for hard real-time communication. The concept is designed to work on multiple-access busses. In particular, we consider its application on wireless local area networks and field-busses. The concept addresses requirements of hard-real time, soft real-time and non real-time communication. For this, we extend the TDMA (time-division multiple-access) approach for time-triggered hard-real time communication by the concept of shared channels that support event-triggered communication and coexist with hard real-time channels. A first implementation of concept has been carried out in the context of the CAN-bus.