Deployment Scenarios For Henb Access Network - Cisco ASR 5x00 Home eNodeB Administration Manual

HeNB Gateway in Wireless LTE Network
Product Description ▀
Figure 4. Control plane for S1-MME Interface for HeNB to MME with the HeNB-GW
Any protocol function associated to a UE-dedicated-procedure resides within the HeNB and the MME only.

Deployment Scenarios for HeNB Access Network

An HeNB-GW can be deployed to provide an alternate path for the data traffic. It holds capabilities to divert the data
traffic away from core and directly onto the Internet thus reducing the load on the core network.
There are following two variants of deploying an LTE Femtocell Gateway (HeNB-GW) solution according to the TR
23.830:
 Variant I: With dedicated HeNB-GW where HeNBs connect via HeNB-GW for control and data aggregation.
This deplyment scenario is displayed in the following figure:
Cisco ASR 5x00 Home eNodeB Gateway Administration Guide ▄
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