User level performance analysis of multi-hop in-band backhaul for 5GReport as inadecuate




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Wireless Networks

pp 1–15

First Online: 25 April 2017DOI: 10.1007-s11276-017-1513-2

Cite this article as: Drozdy, Á., Kapanen, J. & Manner, J. Wireless Netw 2017. doi:10.1007-s11276-017-1513-2

Abstract

In recent years, mobile access networks operating at millimeter wavelengths have received a great deal of attention, as they promise previously unattainably high mobile data rates. At these frequencies, mobile access links are expected to use highly directional beamforming antennas, which are also well suited to backhaul links. Therefore, access points can efficiently act as self-backhauled relays by using the same spectrum, circuits and antennas for mobile access and backhaul links, thus forming a multi-hop in-band backhaul network. The contributions of our paper are extensive simulations to investigate user level performance in such multi-hop networks. We specifically take into account the momentary data traffic of every link in order to calculate the interference. Results quantify the detrimental effect of interference on user level performance. Furthermore, the potential benefit of using the combination of in-band and dedicated backhaul links is evaluated. Additionally, this paper investigates the user level effects of the sudden loss of a link in the backhaul mesh network, and underlines the importance of effective rerouting algorithms. The feasibility of the in-band concept is demonstrated, and we can confirm that the user level experience will surpass the performance provided by previous generation mobile networks.

KeywordsBackhaul In-band Multi-hop 5G Millimeter wave communication 



Author: Árpád Drozdy - Jouko Kapanen - Jukka Manner

Source: https://link.springer.com/



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