1. Cisco. Cisco annual internet report (2018–2023). Cisco. 2020. https://www.cisco.com/c/en/us/solutions/collateral/executive-perspectives/annual-internet-report/white-paper-c11-741490.html.
2. Sundaram JP, Du W, Zhao Z. A survey on LoRa networking: research problems, current solutions, and open issues. IEEE Commun Surv Tutor. 2019;22:371–388.
3. Raza U, Kulkarni P, Sooriyabandara M. Low power wide area networks: an overview. IEEE Commun Surv Tutor. 2017;19:855–873.
4. A survey on LPWA technology: LoRa and NB-IoT
5. LoRaWAN Mesh Networks: A Review and Classification of Multihop Communication