Interfaces of the eNodeB

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Huawei Enterprise Support Community

Created: Feb 27, 2020 15:12:01 577 0 0 0 0

LTE-Uu

The LTE-Uu is the radio interface that connects the UEs to the eNodeBs eNodeB with the UE. It handles all the signaling messages between the eNodeB and the MME as well as the data traffic between the UE and the S-GW.

The protocol stack has two planes:

the user plane – carries the data streams of interest to the user and distinguishes data streams to and from the circuit-switched, packet-switched and broadcast control domains
the control plane – carries the network’s signaling messages

The user plane protocol stacks of the LTE-Uu are:

- RLC
- PDCP
- MAC
- PHY

For the control plane, the protocol stack is comprised of:

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convention：
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