3G 4G Smallcells BRKSPM 2244

© 2012 Cisco and/or its affiliates. All rights reserved. BRKSPM-2244 Cisco Public

3G and 4G Small Cells BRKSPM-2244


Breakout Session Abstract

Shipments for femto cells in 2011 outnumbered shipments of outdoor cell site radios in 3G and 4G/LTE networks. This is driven by the need to enhance coverage and increase capacity in the mobile networks. While the initial femto market has served needs of residential users, several other market segments have now emerged such as larger capacity pico cell and enterprise femtocells with service integration. This session will discuss 3G/4G small cells architecture and associated capabilities/challenges including interference management, zero-touch provisioning and Self Organising/Optimizing Network (SON), mobility and future architecture evolution for WiFi/Femto integration, enterprise support, etc. Cisco licensed small cells end-to-end solution will be described.

3


Agenda Small Cells Drivers Licensed Small Cells Overview 3G/LTE H(e)NB Architecture Cisco Femtocell Solutions Licensed Small Cells Key Features Small Cells Evolution Summary

4

Small Cells Drivers


Three Factors Stressing the Macro Network 1. SCALING TRAFFIC AND NEW APPS 2. CHANGING UE/APPS BEHAVIOUR

3. SHIFTING CONSUMPTION

0

1,000

2,000

3,000

4,000

5,000

6,000

7,000

2010 2011 2012 2013 2014 2015

Pet

abyt

es /

Mo

nth

Mobile VoIP

Mobile Gaming

Mobile M2M

Mobile P2P

Mobile Web/Data

Mobile Video

In-building Consumption Busy Hour Change

Source: Cisco Mobile VNI Source: Light Reading

18x

6


Addressing Exponential Growth of Traffic

1000

100

10

1 1990 1995 2000 2005 2010 2015

Gro

wth

Source: Agilent

Macro 2G/3G/4G

Business Community Consumer

Wi-Fi Femto

Ubiquitous Coverage

High Bandwidth

Overall Capacity Not Keeping Pace with Data Demand

Small Cells Increase Existing Capacity

Spectrum

Macro Capacity

18x Growth

7


Modelling Economics of Indoor Small Cells

Source; ABI/Cisco Cost of Production Analysis, assuming CPE offered without cost to consumer and depreciated over 3 years

Busy Hour Mbps

$

Busy Hour Mbps

$

Macro

Femto SP WiFi

Macro Networks Mobile Internet Economics – significant incremental cost of production

Ranges from ~$2/GB (3 carrier config) to ~$6/GB (1 carrier config)

Indoor offload solutions deliver very low incremental cost of production, similar to fixed Internet economics

As consumption rises, becomes more cost effective to offload traffic:

Compared with a 1-carrier macro cell, femto delivers improved economics for users with >750 MB/mo consumption

Compared with a 3-carrier macro cell, SP WiFi delivers improved economics for users with >500 MB/mo consumption

9


Small Cells Architecture One Unified, Differentiated Smart Mobility Architecture for Licensed/Unlicensed Small Cells

Metro/ Hotspot Access Residential Access SMB/Enterprise

AAA Captive Portal

SON Server

Cloud Services, Applications, & Operations

ZTD/ DHCP

Policy Mgmt

Reporting

Internet & Services

Application Partners

Stadium / Large Venue

Indoor WiFi/Femto

Hotspot

Outdoor WiFi/Femto

Metro

Residential WiFi

Small Radio Controller

and Backhaul

Cloud TR-069 HMS

CMTS BNG Fiber

Own or 3rd party broadband

SMB Managed WiFi /Femto AP

Enterprise WiFi/Femto AP

Enterprise WiFi/Femto Controller

Residential Femto AP

Converged Aggregation and Subscriber Control

10

Licensed Small Cells Architecture Overview


What is a Femtocell ? Improved indoor coverage

Better voice quality

Greater data speeds

Full mobility between indoor and outdoor cells

Increase ARPU

Home Zone Services

Connected Home

FMC Acceleration

Cost reduction

Offload Macro Network

Reduce RAN Backhaul OpEx

Mobile Core (MSC, SGSN)

ISP

UE

Femtocell Access Point (low power)

SeGw/HNBGW

Mobile Macro Network

Residential GW

Femto Provisioning

12


Femtocell Market Insertion

Femtocell Shipments: From 3.2 million in 2012 to 62.4 million by 2016

Small cells to make up almost 90% of all base stations by 2016 Source: Informa Telecoms & Media

Sub

scrib

er T

raffi

c &

Rev

enue

Gro

wth

Adoption Timeline

CHASM

2008

Connected Home Improved applications (QoS, presence) Maximize Capacity

Connected Enterprise Triple Play for Business LTE support

Public Venue/Hotspot (3G Offload) Open Access Femto Combining with WiFi and LTE

Standalone Femto Improve indoor coverage Mostly voice, some data

EARLY ADOPTERS MASS MARKET

2012

13


Multiple Femtocell Markets and Requirements Features

Residential

SoHo/SMB

Enterprise

Metro

# of Users 4-8 8-16 16-64 32-128

Max Tx Power 20 mW 100 mW 250 mW 5W (2W typical)

Access Technology 3G 3G (LTE opt.) WiFi integration

3G (LTE future) WiFi integration

3G and LTE WiFi integration

Access Mode Closed Closed/Hybrid Hybrid/Open Open

Mobility Hand-out (opt.–in) Hand-out, -in Handout, -in and F-F Handout, -in and F-F

Standards Iuh Iuh (S1/X2 for LTE) Iuh/Iurh (S1/X2 for LTE) Iuh/Iurh (S1/X2 for LTE)

Provisioning TR069/196 Zero-Touch

TR069/196 Zero-Touch

TR069/196 Site planning

TR069/196 Site planning

FCAPS Passive Passive or Active Passive or Active Active

Specific feature None GPS (optional) NWL, BB IP@/MAC)

Coordinated SON (over group of femto)

Coordinated SON (femto and macro)

Specific Component None None Enterprise Controller SON server (opt.)

SON server

Services Location/Presence LIPA/SIPTO

Location/Presence LIPA/SIPTO Enterprise integration

Location/Presence LIPA/SIPTO Enterprise integration

Location/Presence

14


Licensed Small Cells Key Challenges (1/2)

Interference Management

Regular network monitoring on all radio bands (initial and regularly)

Automatic radio settings configuration (UARFCN, SC, CPICH, neighbours, etc.)

Co-channel or dedicated channel deployment ; indoor vs outdoor

Integration with Macro RAN (SON)

Network integration

Support of all existing bearer services (CS and/or PS bearers)

Mobility (Idle and Active mode (Hand-out and Hand-in))

Backhaul support (DL/UL bandwidth, jitter, delay, DSCP)

Zero-touch Provisioning for user self install

Check location (multiple methods: Network monitoring, IP@, MAC@, GPS, etc.)

Customised provisioning integrating with existing backend

Design to minimize user requests to Customer Care

15


Licensed Small Cells Key Challenges (2/2) Femtocell management

Scalable architecture (design to manage 100ks of HNBs)

Non-real time and real time capabilities (Stats file and remote management)

Automatic firmware management and upgrade

Whitelist management for IMSI based access control

Securing the femtocell

SIM-based or X.509 certificate authentication for HNB

Encryption of all traffic (IPSec)

Tampering detection and no local access (ssh/Telnet)

Specific Market requirements

Consumer support with customised form factor and capabilities

Integrated capabilities (Router, GPS, WiFi)

Enterprise integration

16

3G and LTE Small Cells Architecture


Standards Bodies Involved in Small Cells Market representative organisation pushing femto as the de facto solution for in home

coverage for all technologies (WCDMA, CDMA, WiMAX)

Several working groups covering service requirements (wg1), radio and interference management (wg2), network architecture (wg3) and legal issues (wg4)

3G/LTE standardisation Body

Defining standards femtocell architecture and interface for 3G and LTE

R8 contains initial set of standards published. Follow-on functionalities being specified in R9/10/11.

DSL standardisation body

Objective is to reuse TR-069 framework for zero-touch provisioning of Femtocell Access Point. Femto specific data model (WT-196) published in April 2009

Mobile SP organisation looking at beyond 3G services and architecture

Fully supporting FemtoForum work on Femtocell for LTE

Mobile SP organisation defining interoperability and deployment guidelines

Published guidelines on Femto security and broadband network reqs

www.smallcellforum.org

www.gsmworld.com

www.3gpp.org

www.ngmn.org

www.broadband-forum.org

18


Femto Access Point

Mobile device

Home GW

Femto GW

Femto Management System

FAP-MS FGW-MS

FL

Fa/ Iuh

SeGW

Fixed

Broadband Interconnect

Radio/ Uu

Fm/ TR-069/WT-196

Fg/ tbd

CS core

PS core

Subscriber Databases Fb-cs/

Iu-cs

Fb-ps/ Iu-ps

Fr/ tbd

Core Network

IMS core

Fb-ims/ I2

Macro RAN

3G Femtocell Reference Architecture

19


3G Femtocell Functional Split Most 3G RNC functions are moved to the HNB

HNBGW supports: HNB Aggregation (optionally includes SeGW) Connectionless distribution (Paging, Hand-in filtering) Iuh termination

HNB

HNBGW

MAC MAC-hs W-CDMA air interface

RRC Connection Oriented

RLC

GTP

CS data PS data Mgmt

Iu control-plane (RANAP)

Iuh over IP

Mgmt

Iu user-plane (CS and PS)

Connectionless handler

Whitelist Handling

TR-069

Stats File

RTP

Iuh Termination

20


3GPP R10 Femto Reference Architecture 3G TS 25.467 va20

21


LTE HeNB Architecture

HeNB is close to eNB functions

No X2 support initially but introduced in R9/10 for ‒ Inter-HeNB mobility

‒ Inter-HeNB and inter-HeNB SON features (eICIC, etc.)

‒ Femto to Macro mobility considered for R11

HeNB gateway is optional at C- and/or U-plane ‒ S1/SCTP aggregation and optimization

‒ Paging optimization

‒ X2 cluster/proxy function

‒ Traffic Offload

Possibility to have HeNBGW as X2 proxy for scaling

Security Gateway is required

LIPA specified but no mobility

See 3G TS 36.300 and 23.830

22


X2 traffic Routing

Assumptions

- No X2 mobility traffic (only S1 handover between Macro and Femto)

- SON related traffic only exchanged from macro to femto

- eNB derives TNL X2 cluster IP address from MME. Cluster eCGI points to the HeNBGW which answers the configuration messages

Inter HeNB and HeNB to eNB Communication

HeNB

HeNB

HeNB

SeGW HeNBGW

X2 SON traffic (to X2 cluster IP routed via the HeNBGW)

eNB

MME

SGW

HeNBGW Handles X2 cluster communication and multicasts the received information to all members of the cluster

23


LIPA/SIPTO for Femto Traffic

Solution requires dedicated functionalities at the H(e)NB and at the H(e)NBGW

Only technical report in 3GPP R10 with standardization as part of R11 (see TR 23.829 va.0.0)

H(e)NB LIPA/SIPTO solutions with two options

‒ Integrated Local Gateway (L-GW) acting as GGSN/PGW with control plane to centralised core; several variants are being considered all requiring enhancements to the existing architecture

‒ Integrated Offload Processing Module (OPM) supporting traffic selection and NAT

SIPTO-enabled H(e)NBGW based on gateway functions integrated with HNBGW

Identified issues with LIPA/SIPTO which need to be addressed

‒ Mobility, Charging, Legal Intercept

ISP Femto

w/ LIPA/SIPTO

SIPTO-enabled HNBGW

IuCS IuPS

MSC, S/GGSN

OSS, BSS, Web Portal

Femto Provisioning

Internet

24

Cisco Femtocell Solution


Cisco AT&T Deployment AT&T microcell officially launched in April 2010

http://www.wireless.att.com/learn/why/3gmicrocell/

Largest femtocell deployment ‒ Over 650k femtocell active

‒ 1.8 Millions of call per day with 7 Millions of minutes

True zero-touch provisioning ‒ Over 92% of femto installation done without customer care intervention

‒ Fully automated provisioning and management control (e.g. whitelist management)

BEST COMMERCIAL FEMTO LAUNCH AT&T’s 3G MicroCell National Deployment

“AT&T’s 3G MicroCell deployment with Cisco caught the judges’ eyes for two crucial reasons. First and foremost, it emphasised the importance of the customer at the heart of the femtocell experience, positioning technology very much as an enabler, rather than an end in itself. Secondly, the deployment is on a national scale, which given the US market’s size adds an additional layer of complexity”, agreed the judges.

London, England - June 23, 2010 26


Cisco 3G Femtocell Solution

Up to 8 active Users Closed/Open access HDPA (14.4 Mbps/1.4Mbps) Iuh protocol Interference monitoring / SON Configurable output power (max

13dBm/20mW) Several form factors:

Consumer Access Point Enterprise Access Point Integrated WiFi/Femto (Future)

ASR5000 integrated SeGW/HNBGW Multifunction platform: S/GGSN, LTE EPC, etc. High capacity (up to 1Mios HNB per full chassis) 3GPP Compliance (Iuh, Iu-CS & -ps) 1:n Stateful redundancy Open/Closed Mode Full mobility Femto services capability (Presence)

Auto discovery of the network to provide full visibility of network changes

Alarm Monitoring, reporting SLA, statistics monitoring

Fully redundant and scalable architecture

TR-069/196 standard compliance Northbound interface/API

for OSS&BSS integration Access Control list management HNB status monitoring

27


Cisco Femtocell Reference Architecture

RMS

RAN

AP

Femto NMS

Registration, Activation, Care: XML/HTTP

CAR

CNR

DCC

Upload Server

CMHS

BAC

Hardware

Radio Stack

RMM TR-069

CMHS Client

Prime Network Prime

Performance Prime

Central UCS

Manager

Iuh, Voice, Data

SP NMS

SP OSS

SP Mobile Core Network

Tektronix

DMZ

ACE 4710

Mgmt over TLS or IPSec

Iuh IPSec

TR-069 HTTP XMPP

AAA / RADIUS Whitelists

Alarms, KPIs

Voice, Data

DHCP

7600 with FW and SeGW

SecGW

H(e)NB-GW

SGSN, GGSN

SGW, PGW

ASR5000

SP NTP

Represent Optional Components

28


Cisco Solution for LTE Small Cells

Both Architecture Option 1 and Option 3 are supported(1)

‒ Option 1: Both S1-MME and S1-U Aggregation over HeNB-GW

‒ Option 3: only S1-MME Aggregation over HeNB-GW

Note(1): refers to “025_HeNB-network-architecture_May2011.pdf” femto forum describing options and associated pros/cons

LTE femto IOT planned in Q2 2012 for HeNBGW based architecture; EPC IOT already performed

LTE Core

S11

HeNB-GW SeGW (optional)

SGi

MME

SGW

PGW

S5/S8

Clustered Enterprise

Femto

eNB

Femto Management System

Commercial UE

Internet/App Server

BSS/ OSS

HeNB

Commercial UE

Femto Controller

29

Licensed Small Cells Key Features


3GPP Small Cells Key Features

Interference Management ‒ Minimizing impact on macro radio network

Mobility ‒ Cell Reselection

‒ Hand-in/Hand-out and Femto-to-Femto

Access Control ‒ Closed/Open/hybrid access mode specification

‒ CSG and non-CSG based

Backhaul

Security

Zero-touch Provisioning

31


Femtocell Interference Management

Interference between Macro and Femto layers

‒ Downlink interference from Femto (HNB) to macro UE

‒ Downlink interference from nearby Macro to a femto UE

‒ Uplink interference from femto UE to nearby Macro

‒ Uplink interference from macro UE to femto (HNB)

Interference between Femtocells

‒ Downlink interference from HNB1 to the HNB2 UE

‒ Uplink interference from HNB1 UE to HNB2

Dedicated and co-channel deployment ?

What are the Issues ?

32


Femtocell Interference Management

Femtocell coverage is typically specified in terms of the Common Pilot Channel (CPICH) signal strength and Ec/N0

‒ CPICH signal strength (i.e. RSCP) depends on building characteristics (size, floor-plan, construction materials, etc.)

‒ Femtocell CPICH Ec/N0 value depends on RSCP and interference from neighbouring Macro and/or Femto cells

Ideally, Femtocell coverage should be limited to indoors

‒ Optimal CPICH setting will have to be determined for each location.

‒ Outdoor RF leakage shall be minimized to limit coverage dead zones

Cell re-selection and handover parameter settings depend on femto deployment scenario

Observations

Femto coverage area Femto CPICH Ec/Io > threshold

Macro Deadzone Macro CPICH Ec/Io < threshold

HNB

Expe

rien

ce

Deg

rada

tion

High CPICH Low

Noise rise on Macro

Failed handout

33


Introducing SON

Enabling the femto to easily integrate and cooperate with the femtocell

NGMN defined SON Use Cases

Self Organizing and Self Optimizing

Planning Use Cases

Planning location of a new eNodeB

Planning of radio parameters of a new eNodeB

Planning of transport parameter of a new eNodeB

Planning data alignment for all neighbour nodes

Optimization Use Cases

Neighbour Cell List Optimisation

Interference Control

Handover Parameter Optimisation

QoS related parameter Optimisation

Transport Parameter Optimisation

Routing Optimisation

Monitoring Use Cases

Cell/Service outage detection

Automatic PM data Consolidation

Performance Management in real time via Itf N

Information correlation for fault management

Subscriber and equipment trace

Cell outage compensation

Compensation for Outage of higher level network elements

Fast recovery on instable NEM system

Mitigation of outage of units

34


Self Organizing

All femto cells have a listen mode capability to measure the macro cell power and potentially other surrounding femtocells transmissions

‒ Macro cell reception (when available) is used to set femto Tx power, to identify network (MCC/MNC), to update list of neighbouring cells and for synchronisation

‒ Other Femtocell reception is used to select the best scrambling code (PSC) out of the reserved list of codes

Network Listen shall continuously be invoked for in-operation optimization

HNB Autoconfiguration

Invoke

Frequency (re-)synchronization

Measure Noise Power

Measure Code Power

Decode Neighbour Cells

(re)set internal oscillator

Set Max Transmit Power

Update/Report Neighbour Cells and MCC and Select LAC/RAC

Select Primary Scrambling Code

35


Self Optimizing

Analytics for the whole network

‒ Co-ordinate the macro and HNB layer with low touch and ideally zero human involvement – all policy driven

Optimization Examples

‒ Dynamic Power Adaptation (CPICH)

‒ Neighbour list

Introducing SON Server

Macro Layer

HNB Layer

RNC/ GSN/ MSC

NMS

OSS /BSS

HMS TR-069

HMS NMS

SON DB

SON Logic

Parameters Applied (opt.)

Parameters Applied

FCAPS

Parameters

Alarms, PM

CDRs

Reports, Traffic & Stats

Harvesting Adapters

Equip Probes

36


Cisco SON Implementation

Initial automatic configuration with SON

HNB

Cisco RMS

Son Server

1

2 Periodically collect RF data

Update RF settings 9

HNB-GW Periodically collect RAN data from

other sources

Macro Analyze RF data automatically

and/or manually

AP grouping classification or

individual AP setting overrides.

Programmatic interface.

Push collected

data periodically

Manual overrides via UI if needed

(groups of APs or

individual)

3

4

5 6

7

8

37


3G Femto Mobility Support

Mobility Requirements

‒ Idle Mode reselection

‒ Active mode handover (Hand-out (femto to macro), Hand-in (macro to femto), Femto-to-Femto)

‒ Hard Handover vs Soft Handover

Mobility Procedures Specified Over Several Releases

38

3GPP Release R8 R9 R10

Idle Mode reselection Supported(1) Supported Supported

Hand-out (Femto to Macro) Supported(1) Supported Supported

Hand-in (Macro to Femto) Proprietary only(2) Supported(3) Supported

Femto to Femto Proprietary only Proprietary only Supported(4)

Notes:

(1) Supported based on existing 3GPP procedures

(2) Several mechanisms defined for PSC disambiguation (e.g. IMSI filtering, time difference, etc.)

(3) Based on UE reporting actual cellId instead of PSC only; requires UE and UTRAN support

(4) Introducing a new Iurh protocol for inter-femto communication


Femto Access Control

Multiple access control modes

‒ Closed access: restricted to a set of identified users

‒ Open access: all users can access the femtocell (femto as an extension to macro)

‒ Hybrid access: privileged access to identified set of users and open to others with restrictions

Access control is invoked at UE registration with configurable reject methods

‒ Standard Location Update Reject (barring whole LAC)

‒ Option to use Authentication Failure (barring Cell only)

Two ways to identify the users:

‒ IMSI whitelist stored at HNBGW and optionally at HNB (pre-R8 UEs)

‒ Closed Subscriber group (R8+ UEs)

CSG Id is broadcasted by femto and used by the UE and the network during registration

CSG list distributed via OMA-DM to the UEs

‒ Potential convergence with ANDSF specified for WiFi selection

40


3GPP CSG Based Architecture

41


Backhaul Management

Minimising uplink backhaul bandwidth for multiple concurrent CS calls

‒ Uplink CS multiplexing combines simultaneous calls into shared RTP packets

‒ RTP header compression is also applied

Different signalling/traffic types can be DSCP-marked

‒ Allows prioritisation / rate capping if IP network is QOS-capable

Minimal overhead for supervision

‒ For idle AP carrying no user traffic (e.g. essential supervision data usage per month is approximately 19 MB for uplink or downlink for Cisco AP)

‒ Includes signaling heartbeats, IPsec NAT keep-alives, IKE Dead Peer detection

‒ Highly-optimised NTP solution for S class only adds 0.14 MB/month

‒ Full PM Counter file upload approx 20MB/month (hourly counts; daily upload)

8x CS with Uplink

Multiplexing*

IP rate, kbps (incl. IPsec)

ADSL rate, kbps (PPPoA/ATM)

Downlink 486 678

Uplink 176 212

Uplink Saving 310 466

*Approximate peak rates

42


Dynamic Backhaul Management

IP data rate

time

HSDPA PS R99 PS CS Voice

Configured Max IP

Data rate

Variable AMR speech bandwidth caused

by speaker inactivity

Service mix fills up configured backhaul capacity

Discarded PS packets

Discarded PS

43

Small Cells Evolution


Femtocell Location/Presence API

Service enablement based on detecting UE presence under a specific HNB

Upon UE registration, an XMPP Presence notification message is triggered from the HNBGW

‒ Configured globally for per HNB (closed mode only)

‒ Content of the message include location information (HNBId, geo coordinates) and IMSI/MSISDN

This can be used to support some specific service (see call flow on next slide)

‒ « Fridge Note » or Home location alerts via target SMS/MMS sending

Femto

HNBGW

Apps & Internet

IuCS

IuPS

MSC, S/GGSN

Service Delivery Platform

XMPP Presence inter

45


Femto and Enterprise Services Integration • Integrate Femto technology with Cisco SMB service offering which includes LAN/WAN access,

WiFi and Unified Communications services

• Architecture based on existing technology and complies with current and future 3GPP standards (e.g. Iuh femto, LIPA/SIPTO, etc.)

• Business benefits Optimize coverage, macro offload

Capture new customers / Lower churn

Service-based revenues

Lower telecom expense for the enterprise via innovative charging models

• Technical benefits Enterprise services for femto users (e.g. access to enterprise LAN, integration with enterprise PBX)

UE/PC becomes a true extension to the enterprise

Works with standard 3G handset (no WiFi, no client required)

Enhanced 3G service and coverage with dedicated coverage and managed QoS

• Go-To-Market Standalone solution offering as an extension to existing residential offering

As part of a wider managed services offer

46


Enterprise Small Cell Architecture

Mobile Core (MSC, S/GGSN)

OSS, BSS

WAN Cisco HNBGW

(Iuh based)

IuCS

IuPS

Cisco Firewall

Femto Provisioning

Ent WiFi Controller

Ent Femto Controller

Enterprise OSS

Enterprise Femto to support the following capablities: Femto group management with Iuh (or S1 for LTE) aggregation

Inter-Femto Handover control

Femto-Femto traffic (SON)

Access control (open/hybrid)

LIPA and voice integration with enterprise services

Security (DMZ for SP access and enterprise for LIPA) 47


Enterprise Femtocell Roadmap

TR-196+ over TR-069

MSC/VLR

SGSN

Corporate Site

Iu-cs

Femto Provisioning and NMS

ASR5k HNB GW (inc. SeGW) Enterprise

Femto Controller

HNB Iuh over IPSec Iuh over IPSec

Iu-ps

WiFi AP

Phase 0 (PoC Avail) • Single Enterprise Femto • Voice integration with IPPBX • Data integration with enterprise

LAN (LIPA) • Mobility:

Full Idle mode mobility F-M for 3G anchored call

Phase 1 (Q2 2012) • Multi Femto support • Integration with CUCM • Open access (enterprise guests) • Mobility (add-on):

F-F handover through local controller M-F (assuming macro supports it)

Phase 2 (TBD) • LTE support (LGW) with similar

features as supported in 3G • IMS integration for enterprise

voice (align with CUCM roadmap) • Mobility (add-on):

F-M for CUCM anchored call

48


Cisco WiFi/Femto Integrated Architecture

Internet Indoor WiFi (Cisco 3600)

+

Femto Module (Future)

Outdoor WiFi (Cisco 1552)

+ Femto module

Broadband access

Small Cells Gateway (Cisco ASR5000

SeGW/HNBGW and WAG/TTG/PDG)

PCRF

Gx

Gn’/Gi

Wm

TR-069 /196

Iu-ps/ Gn

Iu-cs SeGW/HNBGW

Standalone Femto (residential, SMB)

WCS

WiFi NMS (Cisco WCS)

ASR5k EMS (Cisco WEM/PRIME)

WLC PGW/LMA

WiFI Agg (MAG, eWAG)

WiFi Controller

HMS

Femto NMS (Cisco BAC)

EMS

AAA Policy

Iuh

Internet

WiFi Aggregation

S2a

50


Planned Implementations Leverage Existing WNBU and Partner Solutions

PRODUCTS NOT COMMITTED

Wall Mount External Antenna 3G + LTE + Wi-Fi

Ceiling Mount Internal Antenna Wall Mount

Internal Antenna

3600i Top view Internal Antenna

3600e Top view External Antenna

3G, LTE or both added as a

module to the 1552

3G Module

ENTERPRISE OUTDOORS

51


Combining Licensed and Unlicensed Small Cells

AP

AP GT

P

L3

Sub

scrib

er

Pol

icy

Enf

orce

men

t

L3

LMA

G

TP

Sub

scrib

er

Pol

icy

E

nfor

cem

ent

L3

PMIPv6

GTP

WLC/ MAG

WLC

HNB

HN

BG

W

SeG

W

GTP

HMS

Iuh

ASR5000

ASR5000

52


Packet Core

Radio Network

Controller

Macro Coverage

Cell

UE

Packet Core

Packet Core

Packet Core

Femto Controller

Licensed Femto

Cell

WiFi Controller

ePDG TTG

Trusted Unlicensed

SP WiFi

I-WLAN IPSec Access

Un- Trusted WiFi AP

UE

HS2.0 Inter-Tech H/O

Converging Access to a Single Core

53

Summary


Summary

Femto/Pico/Micro will become the vast majority of radio access points for network capacity increase and/or new deployments

Only way to address ever increasing indoor traffic consumption

Femtocell architecture are fully standardised ensuring full compatibility with existing networks

Femtocell maturity proven by large scale deployments (e.g. AT&T)

Key nascent markets identified

‒ enterprise femto for 3G offload and services integration

‒ Dual-mode (WiFi/Licensed) architecture

‒ Key for LTE deployments

55


Questions?

56


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57

Thank You



Final Thoughts

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‒ LinkedIn Group: http://linkd.in/CiscoLI

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3G 4G Smallcells BRKSPM 2244