Hnb Access Network Elements; Home Nodeb - Cisco ASR 5000 Series Administration Manual

HNB Gateway in UMTS Network
mobility over standard interfaces at the MSC layer (e.g GSM-MAP, IS-41). These two approaches are clearly different
in how CS based services and mobility are achieved.
In accordance with 3GPP standard, the HNB-GW provides following functions and procedures in UMTS core network:
HNB Registration/De-registration Function
UE Registration/De-registration Function for HNB
Iuh User-plane Management Functions
Iuh User plane Transport Bearer Handling
Iu Link Management Functions
I
MPORTANT
representative for more information on supported features.

HNB Access Network Elements

This section provides the brief description and functionality of various network elements involved in the UMTS Femto
access network. The HNB access network includes the following functional entities:

Home NodeB

Security Gateway (SeGW)
HNB Gateway (HNB-GW)
HNB Management System (HMS)
Home NodeB
A Home NodeB (HNB) is the a customer premise equipment that offers Uu interface to UE and Iuh over IPSec tunnel to
HNB-GW for accessing UMTS Core Network (PS or CS) in femtocell access network.
It also provides the support to HNB registration and UE registration over Iuh with HNB-GW. Apart from these
functions HNB also supports some RNC like functions as given below:
RAB management functions
Radio Resource Management functions
Iu Signalling Link management
GTP-U Tunnels management
Buffer Management
Iu U-plane frame protocol initialization
Mobility management functions
Security Functions
Service and Network Access functions
OL-22991-01
:
Some of the features may not be available in this release. Kindly contact your local Cisco
Cisco ASR 5000 Series 3G Home NodeB Gateway Administration Guide ▄
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