From the course: Introduction to 5G
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5G access network
- [Instructor] Let's talk about the architecture. The radio access network architectures, as we used to call it, we actually got rid of the R because we think the access network architecture is more general when just supporting a specific radio. And you can see on the right-hand side on the bottom side some true 5G base stations. We refer to them as gNB, okay? So these are the 5G base stations. They're connected between each other with an Xn interface and forming essentially the access network and the gNBs are connected to the 5G core network which goes up on this slide. Now on the left-hand side you see some base stations which still have eNB in the title, enhanced node b, as we used to call our base stations in 4G. Now they are not any more called purely eNB, they're called NG-eNB and the reason is is because whilst these are 4G base stations towards the mobile terminal, they are 5G base stations towards the core network. So if a base station is able to connect to a 5G core while…
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