期刊
2022 IEEE 20TH INTERNATIONAL CONFERENCE ON INDUSTRIAL INFORMATICS (INDIN)
卷 -, 期 -, 页码 612-617出版社
IEEE
DOI: 10.1109/INDIN51773.2022.9976151
关键词
LoRa; LoRaWAN; Cluster-Tree; Wireless Sensor Networks; Wide Scale; Internet of Things
资金
- PQ UFPI [05/2021/PROPESQI/PRPG/UFPI]
- FAPEPI/MCT/CNPq/CTINFRA [007/2018]
- project PrInt CAPES-UFSC Automation 4.0
This paper introduces a wireless sensor network based on Long-Range radio modulation (LoRa) using the LoRaWAN protocol as the medium access layer. It proposes a multi-hop LoRaWAN wide-scale wireless sensor network based on a scheduled cluster-tree topology. Simulation results show that this topology can expand network coverage and improve communication and energy consumption performances.
Wireless Sensor Networks (WSNs) based on the Long-Range radio modulation (LoRa) can use the LoRaWAN protocol as the medium access layer. However, this protocol only supports a single-hop star topology. As a consequence, devices can not use retransmissions along the network to extend their coverage area or to circumvent signal attenuation with distance, obstacles or interference from other radio sources. This paper proposes a multi-hop LoRaWAN wide-scale WSN based on a scheduled cluster-tree topology. This methodology can expand the spatial coverage of the network, decrease collisions, and improve overall network performance. A multi-hop cluster-tree topology eliminates the need for adjustments of LoRa radio parameters as an attempt to expand the single-hop coverage limitation. Simulation results show that the scheduled cluster-tree topology can scale the network coverage and significantly improve communication and energy consumption performances.
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