0. cdma2000 Femtocell Standardization Activities in 3GPP2
Representing 3GPP2
Bjorn Bjerke (Qualcomm)
Femtocell World Summit
June 21st-23rd, 2011
London, UK

1. 3GPP2 Organization Structure and Roles in Femtocell-Related Work
Organizational Partners/
Steering Committee
Femto Forum
MRP
Relationship
TSG-A
Access Network
Interfaces
TSG-C
Radio Access
TSG-S
Service and System
Aspects
TSG-X
Core Networks
-Femto MO AdHoc Group
-Packet Data Service Aspects
-Security Protocols
-Reference architecture for
femtos
-SIP/IMS-based Circuit Service Architecture and Protocols
-IP-related Management
Objects
-IOS-based femtocell interface
-Device Authentication
-RAN Management Objects
-Interworking between femto and macro systems
-Enhanced System Selection
-1x and EV-DO Radio
Interface Enhancements
-Minimum Performance
Specifications
-Air Interface Management
Objects
-System Requirements
-Femtocell System Overview
-Security Architecture
-3GPP2 Program Mgmt
-3GPP2 Vision
-Network Reference Model
-System Management Model

2. 3GPP2 Primary Specifications
3GPP2 is focused on the development cdma2000®1 technologies.
Air Interfaces
cdma2000 1x – Rev 0 through E
HRPD – Rev 0 through C
Core Networks
TIA-41
cdma2000 Wireless IP Network
Open Service Access - Application Programming Interface
Legacy MS Domain
Multimedia Domain
Multimedia Messaging Services
Access Network Interfaces
System Applications
Vocoders
1cdma2000® is the trademark for the technical nomenclature for certain specifications and standards of the Organizational Partners (OPs) of 3GPP2. When applied to goods and services, the cdma2000® mark certifies their compliance with cdma2000® standards. Geographically (and as of the date of publication), cdma2000® is a registered trademark of the Telecommunications Industry Association (TIA-USA) in the United States.

3. Background
3GPP2 began work on femtocell-related standardization in early 2007
Kicked off through a femtocell workshop in October 2007 in Boston
Technical activities were initiated in all 3GPP2 TSGs in late 2007
System requirements
Security aspects
Air-interface (radio) enhancements
Support for legacy 1x circuit services
Packet data services for 1x and HRPD (EV-DO)
Initial (Phase I) femtocell specifications completed Q1 2010
Revised (Phase II) specs support femtocells connecting to MSC/MSCe, to be completed Q3 2011

4. Key Features
Preferred User Zone List (PUZL) as part of Enhanced System Selection (ESS)
“Fingerprint” of the FAP (femtocell access point) location by the MS to assist in autonomous scanning and selection of FAPs, including handoff assistance
Facilitate automatic FAP selection, black list and white list management in terminals
Active handoff from macro to FAP
Legacy terminals supported through the reverse-link detection of mobile signal or out-of-band detection
Enhanced terminals supported through the new overhead message that advertises unique FAP identity
Air interface enhancements for 1x and EV-DO
Operates with unmodified macrocell systems (1x and EV-DO)
Allows flexible partitioning of PN code space between macrocell system and femtocell system
Augmented overhead for quick discovery of unique FAP identity, access type (open/restricted), human-friendly ID, location information

5. S.R0139 Femtocell System Overview
In final stages of development – expecting publication 3Q 2011 ftp://ftp.3gpp2.org/TSGS/Working/_2011/ Dallas/Plenary/S B__(Editor)%20S%20P0139-0%20Femto%20Systems%20Overview%20Draft_013.pdf
Provides an overview of 3GPP2 femtocell specifications and features
Includes operator deployment guidelines
Some contents include:
System Architecture Overview
RF Planning Guidelines
Interference Management
Access Control
Femtocell System Security Aspects
Overview of Mobility Solutions

6. 3GPP2 Femtocell System Architecture
Two possible architectures for voice
SIP/IMS approach for connecting femtocells to IMS convergence server
Legacy IOS interface connecting to existing MSC/MSCe
Packet data service model
Reuse existing interfaces (A10/A11) to PDSN from FAP
Security architecture using IPsec/IKEv2
Certificates with simple authentication model
Basic IPsec/IKEv2 profiles
TR-069-based management architecture
Specification of Management Object contents and procedures

7. 3GPP2 Femtocell System Architecture (IMS)

8. 3GPP2 Femtocell System Architecture (Legacy IOS-based)

9. LIPA and RIPA WWW Operator’s IP Domain Home IP Domain
Remote IP access allows handset in macro network or public IP network to securely communicate with IP host in home domain as if it is at home.
Handset in macro network
WWW
Operator’s Backhaul
Internet TV
Residential Backhaul (Firewall)
PDSN
Operator’s IP Domain
Home IP Domain
Local IP access allows handset at home to communicate with IP host in the operator’s domain and home domain simultaneously.
Femto / Router
Printer
Handset in femto coverage
Media Server

10. Femtocell Management Standardization Process
Forum
Mgmt Object
Framework
Mgmt Object
Framework
3GPP Specific
Procedures
Broadband
Forum
3GPP
RAN3->SA5
3GPP AI MO
Contents
(UMTS, LTE)
3GPP2 AI MO
Contents
(1x, EVDO)
3GPP2
TSG-X/A/C→
FMOAHG
3GPP2
Specific
Procedures
TR-196
Femto
Mgmt Objects
TR-069
Framework

11. Role of TR-069 in Femtocell Mgmt
Broadband Forum TR-069 has been selected as the framework for femtocell management
Widely supported by 3GPP2 (and 3GPP) vendors and operators
Endorsed by Femto Forum
Functions controlled via provisioning
Discovery/Registration
Redirection to alternate SeGW, ACS, or Femto Gateway
Self-organizing network
Location verification
Provisioning and radio parameter assignments
3GPP2 FAP device management model is included as part of TR-196 issue 2 – to be published soon

12. 3GPP2 Femtocell-Related Specs
System Requirements for Femto Cell Systems – S.R v1.0
Femtocell System Overview – S.R0139-0
Providing guideline to operators on deployment of cdma2000 femtocells
Interoperability Specification (IOS) – A.S0024
Includes hand-in/-out, IOS interface support for connecting to MSC/MSCe
SIP/IMS-based 1x Circuit and Packet Data Service Aspects – X.S0059
Packet data service aspects for 1x and EV-DO
Local and Remote IP Access support
SIP/IMS-based 1x legacy voice service
Femto Management Objects – X.R0063 (subset of TR-196 issue 2)
Network Reference Model, etc., – S.R0135
Security Framework – S.S0132
Air Interface Enhancements for future femto-aware mobile devices
EV-DO – C.S0024-C
1x enhancement – C.S0005-E
Enhanced System Selection (ESS, a.k.a. PUZL) – C.P0016-D
Signaling conformance tests
Performance requirements for FAPs