1. GSA: Global progress to 5G - trials, deployments and launches (July 2018)
2. Cisco: Cisco visual networking index: forecast and trends, 2017–2022 white paper (February 2019)
3. Bujari, A., Furini, M., Mandreoli, F., Martoglia, R., Montangero, M., Ronzani, D.: Standards, security and business models: key challenges for the IoT scenario. Mob. Netw. Appl. 23(1), 147–154 (2018)
4. 3GPP, TR 45.820 V13.1.0: Cellular system support for ultra low complexity and low throughput Internet of Things (November 2015)
5. 3GPP, TS 24.008 V15.3.0: Mobile radio interface layer 3 specification; Core network protocols; Stage 3 (2018)