Constructing schedules for time-critical data delivery in wireless sensor networks

Pöttner, Wolf-Bastian and Seidel, Hans and Brown, James and Roedig, Utz and Wolf, Lars (2014) Constructing schedules for time-critical data delivery in wireless sensor networks. ACM Transactions on Sensor Networks, 10 (3). ISSN 1550-4859

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Wireless sensor networks for industrial process monitoring and control require highly reliable and timely data delivery. To match performance requirements specialised schedule based medium access control (MAC) protocols are employed. In order to construct an efficient system it is necessary to find a schedule that can support the given application requirements in terms of data delivery latency and reliability. Furthermore, additional requirements such as transmission power may have to be taken into account when constructing the schedule. In this paper we show how such schedule can be constructed. We describe methods and tools to collect the data necessary as input for schedule calculation. Moreover, due to the high complexity of schedule calculation, we also introduce a heuristic. We evaluate the proposed methods in a real-world process automation and control application deployed in an oil refinery and further present a long-term experiment in an office environment. Additionally, we discuss a framework for schedule life-cycle management.

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Journal Article
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ACM Transactions on Sensor Networks
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15 Jul 2013 10:34
Last Modified:
16 Sep 2023 00:57