Abstract
When using battery-powered nodes, energy consumption is a major concern. Duty cycling is a functionality to save energy and thereby extend network lifetime. In this chapter, we explain foundations of duty cycling in wireless ad hoc networks, present our duty cycling approach in ProNet 4.0 (Gotzhein in ProNet 4.0—a wireless real-time communication system for Industry 4.0. White Paper, Networked Systems Group, Department of Computer Science, University of Kaiserslautern, 2014 [1]) that has been originally developed for MacZ (Christmann et al. in J Concurr Comput Pract Exp 25(2):218–233, 2013 [2]), survey and compare related work, and draw conclusions.
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Notes
- 1.
In B-MAC [11], a preamble scheme is used instead. Before sending, a node transmits a long preamble. The other nodes wake up in regular intervals and check for the preamble. If they detect the preamble, they wait for the message, otherwise, they change to sleep mode.
- 2.
The assisted bicycle trainer can also be used for road training.
- 3.
For simplicity, we omit exclusive slot assignments (once per super slot) for the trainer, to communicate commands to cyclists. During these slots, cyclist nodes act as receivers and therefore perform idle-listening, too.
- 4.
For a simplified presentation, we abstract from clock offsets.
Literature
Chair for Networked Systems
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Gotzhein, R. (2020). Duty Cycling. In: Real-time Communication Protocols for Multi-hop Ad-hoc Networks. Computer Communications and Networks. Springer, Cham. https://doi.org/10.1007/978-3-030-33319-5_7
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