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20078 D-SAR: A Distributed Scheduling Algorithm for Real-time, Closed-Loop Control in Industrial Wireless Sensor and Actuator Networks
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Zand, P. and Chatterjea, S. and Ketema, J. and Havinga, P.J.M. (2011) D-SAR: A Distributed Scheduling Algorithm for Real-time, Closed-Loop Control in Industrial Wireless Sensor and Actuator Networks. Technical Report TR-CTIT-11-09, Centre for Telematics and Information Technology University of Twente, Enschede. ISSN 1381-3625

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Abstract

Current wireless standards and protocols for industrial applications such as WirelessHART and ISA100.11a typically use centralized network management techniques for communication scheduling and route establishment. However, large-scale centralized systems can have several drawbacks. They have difficulty in coping with disturbances or changes within the network in real-time. Large-scale centralized systems can also have highly variable latencies thus making them unsuitable for closed-loop control applications. To address these problems, this paper describes D-SAR, a distributed resource reservation algorithm which would allow source nodes to meet the Quality-of-Service (QoS) requirements of the application in real-time, when carrying out peer-to-peer communication. The presented solution uses concepts derived from relevant networking-related domains such as circuit switching and Asynchronous Transfer Mode (ATM) networks and applies them to wireless sensor and actuator networks.

Item Type:Internal Report (Technical Report)
Research Group:EWI-PS: Pervasive Systems, EWI-FMT: Formal Methods and Tools
Research Program:CTIT-WiSe: Wireless and Sensor Systems, CTIT-DSN: Dependable Systems and Networks
ID Code:20078
Deposited On:02 May 2011
More Information:statisticsmetis

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