Allal, Cherif ZakariaHammi, Saad EddineBelaidi, Hadjira (Supervisor)2023-07-022023-07-022021https://dspace.univ-boumerdes.dz/handle/123456789/1184450 p.With the widespread use of intelligent sensors, the need for a more reliable sensor network has emerged. LoRaWan is suitable for this kind of application and has an advantage over cellular networks due to its long range, low power capabilities and doesn't require paid plans for data transfer. The purpose of this work is to design and implement a LoRaWan mesh network and test its capabilities in text based communication with the use of a smartphone application connected to lora nodes through low energy Bluetooth, allowing messages exchange between any two users connected to the network. Such application of mesh network technology could be of use in case of disaster scenarios where cellular towers could be down; enabling a secure and reliable way of alternate communication.enLoRaWan mesh networkMesh network technologyThesis