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- W4289701072 abstract "Industrial wireless sensor networks (WSNs) are being used to improve the efficiency, productivity and safety of industrial processes. An open standard that is commonly used in such cases is IEEE 802.15.4e. Its TSCH mode employs a time synchronized based MAC scheme together with channel hopping to alleviate the impact of channel fading. Until now, most of the industrial WSNs have been designed to only support static nodes and are not able to deal with mobility. In this paper, we show how a single-hop, multi-gateway IEEE 802.15.4e TSCH network architecture can tackle the mobility problem. We introduce the Virtual Grand Master (VGM) concept that moves the synchronization point from separated Backbone Border Routers (BBRs) towards the backbone network. With time synchronization of all BBRs, mobile nodes can roam from one BBR to another without time desynchronization. In addition to time synchronization, we introduce a mechanism to synchronize the schedules between BBRs to support fast handover of mobile nodes." @default.
- W4289701072 created "2022-08-04" @default.
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- W4289701072 date "2018-08-12" @default.
- W4289701072 modified "2023-10-16" @default.
- W4289701072 title "Seamless roaming and guaranteed communication using a synchronized single-hop multi-gateway 802.15.4e TSCH network" @default.
- W4289701072 doi "https://doi.org/10.48550/arxiv.1808.03907" @default.
- W4289701072 hasPublicationYear "2018" @default.
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