1. Gartner. 2017. Gartner Says 8.4 Billion Connected "Things" Will Be in Use in 2017, Up 31 Percent From 2016, Feb., [Internet]. Available: http://www.gartner.com/newsroom/id/3598917.
2. LoRa Alliance, LoRa Alliance Technology [Internet]. Available: https://www.lora-alliance.org/What-Is-LoRa/Technology
3. LoRa Alliance. 2015. LPWA Technologies Unlock New IoT Market Potential, Machina Research. [Internet]. Available: https://www.lora-alliance.org/portals/0/documents/whitepapers/LoRa-Alliance-Whitepaper-LPWA-Technologies.pdf.
4. R. Sinha, Y. Wei and S. Hwang. 2017. A survey on LPWA technology: LoRa and NB-IoT, Vol. 3, Issue 1, ICT Express, 14--21. DOI: https://doi.org/10.1016/j.icte.2017.03.004
5. 3GPP TR 36.802. 2016. Narrowband Internet of Things (NB-IoT), Technical Report TR 36.802 V1.0.0, Technical Specification Group Radio Access Networks.