As 5G standards are finalized, a new way of handling mobile backhaul might be created as well, allowing dense deployments of 5G-NR sites that integrate both backhaul and access without the need for lots of new optical backhaul facilities.
The idea is to use common control and data channels for either access or backhaul. Such integrated access and backhaul link might operate networks using time, frequency, or space division, .
Among the implications is that the existing approach of fronthaul will not scale for 5G, so self-backhaul may be a useful alternative.
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