1. Cisco public, Cisco Visual Networking Index: Global Mobile Data Traffic Forecast Update, 2017–2022, Cisco white paper, February 2019.
2. Cisco public, Cisco Annual Internet Report, 2018–2023, Cisco white paper, March 2020.
3. 〈https://www.itu.int/en/ITU-D/Statistics/Documents/coreindicators/Core-List-of-Indicators_March2016.pdf〉 (Accessed 10 October 2021).
4. Radio Over Fiber for Wireless Communications;Fernando,2014
5. A survey of millimeter wave communications (mm-wave) for 5G: opportunities and challenges;Niu;Wirel. Netw.,2015