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Worldwide Connectivity for the Internet of Things Through LoRaWAN

Department of Information Engineering, University of Padova, Via Gradenigo 6/B, 35131 Padova, Italy
Department of Electronic Systems, Aalborg University, Fredrik Bajers Vej 7 A3-A4, 9220 Aalborg, Denmark
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Future Internet 2019, 11(3), 57;
Received: 17 January 2019 / Revised: 10 February 2019 / Accepted: 25 February 2019 / Published: 2 March 2019
(This article belongs to the Special Issue 10th Anniversary Feature Papers)
PDF [214 KB, uploaded 6 March 2019]


The low-power wide-area network (LPWAN) paradigm is gradually gaining market acceptance. In particular, three prominent LPWAN technologies are emerging at the moment: LoRaWAN™ and SigFox™, which operate on unlicensed frequency bands, and NB-IoT, operating on licensed frequency bands. This paper deals with LoRaWAN™, and has the aim of describing a particularly interesting feature provided by the latest LoRaWAN™ specification—often neglected in the literature—i.e., the roaming capability between different operators of LoRaWAN™ networks, across the same country or even different countries. Recalling that LoRaWAN™ devices do not have a subscriber identification module (SIM) like cellular network terminals, at a first glance the implementation of roaming in LoRaWAN™ networks could seem intricate. The contribution of this paper consists in explaining the principles behind the implementation of a global LoRaWAN network, with particular focus on how to cope with the lack of the SIM in the architecture and how to realize roaming. View Full-Text
Keywords: internet of things; LPWAN; roaming; LoRaWAN™ internet of things; LPWAN; roaming; LoRaWAN™

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Vangelista, L.; Centenaro, M. Worldwide Connectivity for the Internet of Things Through LoRaWAN. Future Internet 2019, 11, 57.

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