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What is Beacon Message

Chapter 2
Decision Support Systems and Industrial IoT in Smart Grid, Factories, and Cities
A time-periodic message sent out from a gateway to synchronise all end-devices in its range.
Published in Chapter:
A Survey on Attacks and Defences on LoRaWAN Gateways
Olof Magnusson (Gothenburg University, Sweden), Rikard Teodorsson (Chalmers University of Technology, Sweden), Joakim Wennerberg (Chalmers University of Technology, Sweden), and Stig Arne Knoph (Chalmers University of Technology, Sweden)
Copyright: © 2021 |Pages: 20
DOI: 10.4018/978-1-7998-7468-3.ch002
Abstract
LoRaWAN (long-range wide-area network) is an emerging technology for the connection of internet of things (IoT) devices to the internet and can as such be an important part of decision support systems. In this technology, IoT devices are connected to the internet through gateways by using long-range radio signals. However, because LoRaWAN is an open network, anyone has the ability to connect an end device or set up a gateway. Thus, it is important that gateways are designed in such a way that their ability to be used maliciously is limited. This chapter covers relevant attacks against gateways and potential countermeasures against them. A number of different attacks were found in literature, including radio jamming, eavesdropping, replay attacks, and attacks against the implementation of what is called beacons in LoRaWAN. Countermeasures against these attacks are discussed, and a suggestion to improve the security of LoRaWAN is also included.
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