heterogeneous networks move indoors

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CAPITALS

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Martin Ljungberg, Product Mananger Small Cells Solutions

Heterogeneous Networks Move Indoors

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Broadband World Forum 2013 | Ericsson AB | 2013-10-22 |

Application Coverage

Source: Ericsson Consumer Lab “Global network performance study 2013”

10 Mbps 1 Mbps 0.1 Mbps

@

SMS

PERFORMANCE DRIVES LOYALTY

>10 Mbps

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Mobile Networks in Enterprise

› Bring your own device

– Security: private devices

connected via Internet

› Workforce

– Mobility: access company’s

information from anywhere via

Internet

› Partners/Suppliers

– Share: partners accessing

company’s information via Internet

Mobile

Broadband Internet available

everywhere

Cloud Centralized services

delivery

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The Indoor Challenge

Indoor solutions do not meet future demand

Today’s solutions are built mainly for coverage and voice

Lack of deployment flexibility

Not cost efficient to cover majority of building sizes

Limited scalability

Costly to add capacity, frequency and new technology e.g. LTE, MIMO

1

2

3

Nu

mb

er

of b

uild

ing

s

Building size

Outside-in Pico DAS No optimum solution

?

Source: Ericsson. Illustrative picture

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Packet

Backhaul

RF (3GPP)

Feeder

Macro base station Architecture

Antenna Radio Unit Digital Unit, Baseband

CPRI

Fiber

RF power and Band

defined by Radio Unit (RU)

Capacity defined by

Digital Unit (DU), Baseband

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Antenna Integrated Radio architecture

Packet

Backhaul

Digital Unit,

Baseband

CPRI

Fiber

Antenna

and Radio Unit

RBS architecture optimized

for high power RF performance

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CAT 5/6/7 Cable

Radio Dot System Architecture

Packet

Backhaul

CPRI

Fiber

Radio

and Power

New architecture optimized

for low power indoor configurations

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Radio Dot System

Comparing Complexity

Radio Dots (RD or Dots)

Indoor Radio Unit (IRU)

Digital Unit (DU)

Fiber cable LAN cable (CAT5/6/7)

…

Feeder cable

… Passive Antenna Active Power Amplifier –

Not a Radio Unit

Baseband/

Radio

Interim - Passive Interface Module

Typical Coax Based DAS

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Hitting the Sweet Spot

Large to Very Large Buildings

Medium to Large Buildings Subtending nearby RBS

Campus or Large Venues

DU centrally located in the

building

IRU distributed to floor or building

segment level

DU and IRU centrally co-located

with star configuration to Radio

Dots

Common configuration for single

tenant enterprise buildings

DU baseband resources shared

with nearby rooftop RBS or wall

mount mRBS

Enables advanced LTE

coordination between outdoor

and indoor coverage

Multiple installations cover multiple

buildings or a large venue (university,

enterprise campus, stadium)

Centralized DU baseband can be

shared among facilities, supporting

expansions over time

Fiber cable LAN cable (CAT5/6/7) DU IRU Dot

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› 3G and LTE outdoor and indoor

networks evolve and grow in lockstep

› Common processes and tools drive

operational efficiencies

› Network optimization benefits accrue

to users wherever they are

100% Network Integrated

Carrier Aggregation Interference

management

3G soft handover

High Order Modulation VoLTE and

HD voice

LTE Combined Cell

FUNCTIONAL PARITY AND SYNCHRONIZED

EVOLUTION ACROSS RADIO PORTFOLIO

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Connecting the Dots

Elegant, ultra compact

and high capacity indoor

small cell

Quick and easy

deployment

100% integrated with

existing radio network

heterogeneous networks move indoors

Technology