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Unraveling the Mysteries of the Next Generation RAN

Todd Mersch

October 25, 2011

Director of Product Marketing

2 Radisys Corporation Confidential

At a Glance

Embedded Wireless Infrastructure Solutions

Embedded Wireless

Infrastructure Solutions

Protocol Software

Professional Services

COTS Platforms Media Server

2

World Wide Customer Base Single Solutions Source


Recent News & Awards

Radisys Acquires Continuous Embedded wireless infrastructure

solutions

BTS 3G & LTE Battlefield Communications

Winner: World Vendor Awards Femto Forum Awards Informa LTE Awards World Mobile Awards

Finalist: GSMA Awards


Internet Generation Mobile Internet Devices

Internet Applications & Content

Telecom Today

Demographics Devices Demand


Data Remains The Growth Engine

Capacity Mind The Gap

Text Traffic doubling every 12 months Video Operators Albatross

Increase ARPU Lower cost per bit

Source: Cisco VNI Source: Heavy Reading

Revenues

Traffic

Revenues & Traffic Gap Widening

Revenue vs. Traffic Growth

Voice Era

Data Era


Demand Supply Challenge

Shannon

Moore

Divide

Shannon Moore Divide

LTE


4G Deployment

Operator Challenges

Customer Experience

Core

Intelligent Traffic

Management

Core Network Scaling

Power Management

Access

Energy SON HetNets Access Side BTM

Demands Solutions


Network Mutation

Macro Topology Hierarchical Cell Structure

1990 2010

Capacity Era

The need for 4G picocells and femtocells to enhance coverage and boost capacity in hotspots is one of the important principles for Verizon's LTE Network

-- Verizon Wireless CTO

Courtesy AirHop Communications

Coverage Era


Cell Diversification

Coverage

Cap

acity

Macrocell

Microcell / Picocell

Greater Femtocell

Femtocell

New Focus: Small Cells


Spectrum

The Spectrum Challenge 700MHz 2.6GHz Digital Dividend 900 / 1800MHz re-farming

Frequency Impacts Network Costs Increases with frequency

TD-LTE = Opportunity

FDD for Macros TDD for Femtos

Multi-Band Deployment

2.6GHz for Femtos 700MHz for Macros

2.6 GHz

2.6 GHz

2.6 GHz

700 MHz

Cell radius ~ 30 300m

Cell radius ~ 1 3km

PresenterPresentation NotesRemoves macro / femto interference mgmt issueBest utilization of available spectrumTD-LTE Ecosystem growing rapidly


Multi-Mode Small Cells

Core Network Multi-Mode Small Cell

Small Cell Controller

3G Core SEG HNB GW

Iuh

SEG TTG

EPC

Iu

S1

Gn / Wm

Increase 3G and LTE capacity and coverage in single device

Upgrade path from 3G to LTE

Convergence with operator managed WiFi (Hotspots / Enterprise)

Support for mixed subscriber base

Leverage same IP backhaul

SEG HeNB GW

Wu

S1


Policy Enforcement solutions supporting Broadband traffic segregation, mobility across available networks

and aggregation to service provider

Bandwidth Management Functions & Policy

(in service provider network)

Context-aware Policy

Enforcement (Location, battery life, speed,

application requirements, cost, etc)

3G

WiFi

LTE

Bandwidth Management

Client

Flow segregation & Mobility

IP layer

Aggregation & Protocol

QoS and Analytics

Policy Engine

Operator Driven Access Side BTM

IP Flow Segregation (different flows on different networks)

IP Flow Mobility (moving an IP flow across networks)

Bandwidth Aggregation across multiple networks

Policy Control

+


Age of HetNets

Capacity

Dense Urban Urban Sub-urban Rural

Broadband Proliferation High Low

GSM / GPRS / EDGE Networks, 900MHz / 1800MHz

3G / HSPA Networks, 2.1GHz

Multi-Mode (LTE- TDD

2.6GHz / 3G

2.1Ghz)

LTE TDD Femto 2.6GHz

LTE - TDD Femto 2.6GHz

LTE-TDD / Femto 2.6GHz

Coverage

Nationwide Network

Demand-based Capacity & Coverage

LTE FDD Networks, 700 MHz


HetNet Considerations

Where Finding the hot areas Targeted deployment

What

Hotspot vs. Hotzone Single Dual Multi Mode

How

SON, Interference, IOT Logistics

Spot

Zone

SON

Logistics


HetNet Opportunities for Innovation

IP to CN

Multi-Mode Small Cell

Pow

er

Energy SON

Internet


Local IP Access

Hub


Wireless Backhaul


Multi-Mode RRM

Local 3G Fallback

WiFi

Offloading


DPI = Control

Tiered SLAs

App- based QoS

Maximum Network

Monetization

Video Conference

Operator VoIP

Gaming

Video on Demand

Business Class VPN

P2P

Email

Browsing

Platinum

Bronze

Silver

Gold


Not All Cells Are Loaded Equally!

Top 5% utilized cells heavy on

P2P

Average cell HTTP

Streaming grew to 27%

Source: Allot Mobile Trends, Global Mobile Broadband Traffic, H2/2009


Adaptive Traffic Shaping

Residential #3

SGSN GGSN ATS Platform

Radio Access Network

(RAN)

Signaling Information

Dense Urban #1

Suburban #2

RNC

Femto Gateway

RAN-Aware Traffic Shaping - Congestion Aware - Femto Aware - Dynamic Network Policy

Femtocell


Framework

Policy Enforcement

Point

Femto Aware

RAN Congestion

Aware Tiered SLA

Aware

Application Aware

DPI Key to Real-Time, Line-Rate, Multi-Aware Policy Enforcement


Internet Offload Network Architecture

RNC SGSN GGSN

Internet

Offloaded data traffic to PDN

IOG Node B Iub Iu

Signaling Non-offloaded data traffic Offloaded data traffic Legend

Iu

Gi

Gi

CGF CRF OCS

Gy Gx

Ga

Offloading Bump-in-wire device DPI application / protocol

Minimize traffic to CN Reduce CN OPEX / CAPEX


IOG Anatomy

Application

Processor # 1

Processor # 0 RNC

SGSN

Internet

Application

Control Plane Software

Data Plane Software

IuPS

Gi

IuPS

Packet Failover RTM

Monitoring Stack Charging Stack

IP DPI

Classification

Offload Decision Block

Fail-to-wire

~ 10 Gbps Line Rate


Multi-format Pre-store

Real-time Transcode

Video Streaming & Optimization

64Kbps

384 768 kbps

768 kpbs 3Mbps

3 Mbps+ (HD)

3D?

RNC SGSN GGSN

Internet

Video Optimizer

Node B Iub Iu

Signaling Non-optimized data traffic Optimized data traffic Legend

Gi


Isolated RAN or Core Solutions Not Enough for 4G

Line rate traffic management from EPC Coordinated with air interface scheduling Adaptable to changing backhaul bandwidth limitations

eNodeB SGW PDN

GW PCRF

IP Services

UL Traffic Flow Aggregates

DL Traffic Flow Aggregates

UE

QCI / QoS

QCI / QoS

Bearer Bearer Bearer

QCI / QoS

Backhaul BW Fluctuations

Highly Time Sensitive

Air Interface

QoS Policy & Session Info Signaled E2E


23 LTE 31 Femto

21 DPI Wins!

Embedded Wireless

Infrastructure Solutions

Summary

Next Generation RAN = HetNet Multi-mode providing flexibility Small cells for capacity & coverage

Topology alone is not enough Blending of DPI & Wireless a must Delivering the promise of SON

Still resource limited Operator-controlled WiFi offload Congestion, Femto, SLA, application-

aware

Unraveling the Mysteries of the Next Generation RANAt a GlanceRecent News & AwardsTelecom TodayData Remains The Growth EngineDemand Supply Challenge4G DeploymentNetwork MutationCell DiversificationSpectrumMulti-Mode Small CellsOperator Driven Access Side BTMAge of HetNetsHetNet ConsiderationsHetNet Opportunities for InnovationDPI = ControlNot All Cells Are Loaded Equally!Adaptive Traffic ShapingFrameworkInternet Offload Network ArchitectureIOG AnatomyVideo Streaming & OptimizationIsolated RAN or Core Solutions Not Enough for 4GSummary

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