Relayer-Enabled Retransmission Scheduling in 802.15.4e LLDN -- Exploring a Reinforcement Learning Approach (2017)
AuthorsWillig A, Matusovsky Y, Kind Ashow all
We consider the scheduling of retransmissions in the low-latency deterministic network (LLDN) extension to the IEEE 802.15.4 standard. We propose a number of retransmission schemes with varying degrees of required changes to the LLDN specification. In particular, we propose a retransmission scheme that uses cooperative relayers and where the best relayer for a source node is learned using a reinforcement-learning method. The method allows for adapting relayer selections in the face of time-varying channels. Our results show that the relayer-based methods achieve a much better reliability over the other methods, both over static (but unknown) and over time-varying channels.
CitationWillig A, Matusovsky Y, Kind A (2017). Relayer-Enabled Retransmission Scheduling in 802.15.4e LLDN -- Exploring a Reinforcement Learning Approach. MDPI Journal of Sensor and Actuator Networks.
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KeywordsIEEE 802.15.4e; LLDN; retransmission scheduling; cooperative relayers; reinforcement learning
ANZSRC Fields of Research08 - Information and Computing Sciences::0805 - Distributed Computing::080503 - Networking and Communications
10 - Technology::1005 - Communications Technologies::100503 - Computer Communications Networks