Analysis of Latency and MAC-layer Performance for Class A LoRaWAN

René Brandborg Sørensen, Dong Min Kim, Jimmy Jessen Nielsen, Petar Popovski

Research output: Contribution to journalLetterpeer-review

65 Citations (Scopus)


We propose analytical models that allow to investigate the performance of Long Range Wide Area Network (LoRaWAN) uplink in terms of latency, collision rate, and throughput under the constraints of the regulatory duty cycling, when assuming exponential inter-arrival times. Our models take into account sub-band selection and the case of sub-band combining. Our numerical evaluations consider specifically the European ISM band, but the analysis is applicable to any coherent band. Protocol simulations are used to validate the proposed models. We find that sub-band selection and combining have a large effect on the QoS experienced in a LoRaWAN cell for a given load. The proposed models allow for optimizing resource allocation within a cell given a set of QoS requirements and a traffic model.
Original languageEnglish
JournalI E E E Wireless Communications Letters
Issue number5
Pages (from-to)566-569
Number of pages4
Publication statusPublished - Oct 2017


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