1. Chong, C.-Y., Kumar, S.P.: Sensor networks: evolution, opportunities and challenges. Proc. IEEE 91(8), 1247–1256 (2003)
2. Diallo, O., Rodrigues, J.J., Sene, M.: Real-time data management on wireless sensor networks: a survey. J. Netw. Comput. Appl. 35, 1013–1021 (2012)
3. Radio Spectrum Policy Group, Directorate-General for Communications Networks, Content and Technology, European Commission: RSPG report on spectrum issues on wireless backhaul, RSPG15-607, Brussels (2015)
4. Bhushan, N., Li, J., Malladi, D., Gilmore, R., Brenner, D., Damnjanovic, A., Sukhavasi, R.T., Patel, C., Geirhofer, S.: Network densification: the dominant theme for wireless evolution into 5G. ICM 52(2), 82–89 (2014)
5. Akyildiz, I.F.: Nanonetworks: a new frontier in communications, communications. In: Proceedings of the 18th Annual International Conference on Mobile Computing and Networking, pp. 1–2. ACM (2012)