Hybrid Wired-Wireless Backhaul Solutions for Heterogeneous Ultra-Dense Networks

Wireless networks are becoming extremely pervasive while traffic demand is ever increasing. In order to cope with the forecast increase in traffic volume for the upcoming years, as well as the number of connected devices, new technologies, practices and spectrum rearrangements are required. In this context, a key question arises: how to provide extensive backhaul connectivity and capacity for pervasive ultra dense networks? The answer is rather complex, if feasible. To shed some light into this issue we overview potential technologies, either wired or wireless, and identify technical challenges. Moreover, we evaluate an illustrative scenario of a ultra-dense network that operates with hybrid wired-wireless backhaul. We assume multiple radio access technologies at small and macro base stations (BSs), and we discuss optimal traffic splitting and routing solutions for different topologies and traffic profiles.

López Onel L. A., Alves Hirley, Souza Richard Demo, Latva-aho Matti

A4 Article in conference proceedings

2018 IEEE 87th Vehicular Technology Conference: VTC2018-Spring 3–6 June 2018, Porto, Portugal

O. L. A. Lopez, H. Alves, R. D. Souza and M. Latva-aho, "Hybrid Wired-Wireless Backhaul Solutions for Heterogeneous Ultra-Dense Networks," 2018 IEEE 87th Vehicular Technology Conference (VTC Spring), Porto, 2018, pp. 1-5. doi: 10.1109/VTCSpring.2018.8417619

https://doi.org/10.1109/VTCSpring.2018.8417619 http://urn.fi/urn:nbn:fi-fe2018101838459