Simulation and Modelling of LoRa and Sigfox Low Power Wide Area Network Technologies

Author(s):  
Niemah I. Osman ◽  
Esra B. Abbas
2019 ◽  
Vol 6 (2) ◽  
pp. 2225-2240 ◽  
Author(s):  
Augustine Ikpehai ◽  
Bamidele Adebisi ◽  
Khaled M. Rabie ◽  
Kelvin Anoh ◽  
Ruth E. Ande ◽  
...  

2020 ◽  
Vol 149 ◽  
pp. 102459 ◽  
Author(s):  
Fei Gu ◽  
Jianwei Niu ◽  
Landu Jiang ◽  
Xue Liu ◽  
Mohammed Atiquzzaman

2019 ◽  
Vol 11 (3) ◽  
pp. 57 ◽  
Author(s):  
Lorenzo Vangelista ◽  
Marco Centenaro

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.


Author(s):  
Paulo Renato Câmera da Silva ◽  
Herman Augusto Lepikson ◽  
Marcus Vinícius Ivo da Silva ◽  
Rafael Barbosa Mendes

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