LoRa, Sigfox, and Narrowband-Internet of Things (NB-IoT) are some of the long-distance, low-power wireless communication technologies developed in the recent past. The proposed system consists of mainly nodes and a gateway as the fundamental system architecture. Nodes only communicate with the gateway individually and the gateway communicates with all the nodes separately and wirelessly. The system in this proposed study uses long range low power RF wireless communication technique for primary data communication, where an Internet connection will not be required for the communication between the gateway and the nodes. Any number of nodes can be paired with the gateway, and the gateway can individually communicate with each and every node. Furthermore, gateways have the ability to store real-time data. Due to its unique design, the proposed system in this study can achieve addressable, bidirectional, and continuous data communication even without the Internet connection.

L D P S Jayasekara, T N Gurusinghe, J A Seneviratne, A L A K Ranaweera, K M D C Jayathilaka, L B

 D R P Wijesundera and S R D Kalingamudali

ECS Transactions 

Abstract:- https://doi.org/10.1149/10701.17731ecst