Thus, this paper determines the maximum number of LoRa nodes that can communicate with a Gateway considering the LoRaWAN protocol specifications. The present paper aims at assessing the performance level of the LoRaWAN technology by analyzing the number of packet collisions that can occur. It is important to determine the number of collisions so that we can assess the network performance. Most of the time, the IoT concept entails a large number of nodes distributed over a wide geographical area, therefore forming a high density, large-scale architecture. Thus, we need realistic models, enabling the proper assessment of the performance level. Currently, most of the information regarding the scalability of the LoRa technology is commercial and deals with the best-case scenario. The LoRaWAN communication protocol can be used for the implementation of the IoT (Internet of Things) concept.
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