Alcatel-Lucent in Iuh R9.pdf
2
FEATURE DESCRIPTION As part of the 3GPP standards, specifications for UMTS Home NodeBs (HNB) are developed. These include reference network architecture which define an interface between the HNBs and a Home NodeB Gateway (HNB-GW), called Iuh interface. The Iuh protocols defined by 3GPP are the RANAP User Adaptation (RUA) and Home NodeB Application Part (HNBAP). The primary function of RUA is to support the UTRAN functions in the HNB which require RANAP. HNBAP is used for the control signaling between the HNB and HNB-GW. HNB GW Security Gateway HNB HMS Iu HNB Iurh Iuh Iuh Uu Uu L-GW L-GW Gn/S5 Gn/S5 Gi Gi Figure x. HNB access network reference model. The purpose of this feature is for the Small Cell Gateway (or HNB GW) to support the Iuh interface, aligned with Release 10 standards. Only existing functionality already supported over Iu’ and which is standardized in 3GPP specifications (up to Rel 10) are supported by the ALU HNB-GW over Iuh. FEATURE BENEFITS This feature provides readiness for interworking between the ALU HNB-GW and a 3rd party CPE via Iuh interface complying with 3GPP R10 specifications, supporting standard features. At the same time, the feature also ensures back compatibility, allowing the HNB-GW to continue to support those ALU HNBs via existing interface (Iu’) and supporting added value features. IMPACTED SYSTEMS Small Cell GW DEPENDENCIES Hardware ATCA GW
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Transcript of Alcatel-Lucent in Iuh R9.pdf
FEATURE DESCRIPTION
As part of the 3GPP standards, specifications for UMTS Home NodeBs (HNB) are developed.
These include reference network architecture which define an interface between the HNBs
and a Home NodeB Gateway (HNB-GW), called Iuh interface. The Iuh protocols defined by
3GPP are the RANAP User Adaptation (RUA) and Home NodeB Application Part (HNBAP). The
primary function of RUA is to support the UTRAN functions in the HNB which require RANAP.
HNBAP is used for the control signaling between the HNB and HNB-GW.
HNB GWSecurity
Gateway
HNB
HMS
Iu
HNB
Iurh
Iuh
Iuh
Uu
Uu
L-GW
L-GW
Gn/S5
Gn/S5
Gi
Gi
Figure x. HNB access network reference model.
The purpose of this feature is for the Small Cell Gateway (or HNB GW) to support the Iuh
interface, aligned with Release 10 standards.
Only existing functionality already supported over Iu’ and which is standardized in 3GPP
specifications (up to Rel 10) are supported by the ALU HNB-GW over Iuh.
FEATURE BENEFITS
This feature provides readiness for interworking between the ALU HNB-GW and a 3rd party
CPE via Iuh interface complying with 3GPP R10 specifications, supporting standard features.
At the same time, the feature also ensures back compatibility, allowing the HNB-GW to
continue to support those ALU HNBs via existing interface (Iu’) and supporting added value
features.
IMPACTED SYSTEMS
Small Cell GW
DEPENDENCIES
Hardware
ATCA GW
9360 SMALL CELL FEATURE PLANNING GUIDE BCR3.0 OCTOBER 2011
Document Number: BCR/SYS/INF/035520 | Document Issue: Released | Document Status: Standard
Alcatel-Lucent – Proprietary
See Notice on Page 2 3 / 2
Software
BCR4.3
Feature
Interworking
HNB
Devices
None
Standards
25.468 (Version 10) - UTRAN Iuh Interface RANAP User Adaptation (RUA) Signalling
25.469 (Version 10) - UTRAN Iuh Interface Home Node B (HNB) Application Part (HNBAP) Signalling
25.467 (Version 10) – UTRAN Architecture for 3G Home NodeB (HNB); Stage 2
Reference Documents
None
RESTRICTION/LIMITATION
Listed below the Restrictions/Limitations of this feature:
This feature impacts the HNB-GW only.
This feature does not deal with OAM integration.
The HNB-GW shall operate either in Iuh or Iu’ mode at a time.
CSG is not supported. The HNB-GW will handle CSG UEs and CSG HNBs in the
same way as non-CSG UEs and non-CSG HNBs.
Only F2F Handover using Iurh interface will be supported. F2F HO using
relocation procedure via Iuh interface will not be supported.
ENGINEERING IMPACTS
None
OPERATIONAL REQUIREMENTS
Counters
A set of Iuh related counters are implemented in the SCGW to provide useful
information on the Iuh related procedures. These are focussed mainly on HNBAP as
this protocol provides the most useful information about the Iuh procedures
Configuration Management and Parameters
Feature activation flag for Iuh support
Fault Management and Alarms
None new
