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Part I

UMTS General Overview

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Voice Call: circuit switched 12.2kbps or less

Video Call: circuit switched 64kbps

Packet switched data up to 384kbps with Release 99

Packet switched downlink data up to 14.4Mbps with HSDPA

HSPDA Category 12: 1.8Mbps HSPDA Category 6: 3.6Mbps

HSPDA Category 8: 7.2Mbps

HSPDA Category 10: 14.4Mbps

Packet switched uplink data up to 5.8Mbps with HSUPA

Not all services supported in all radio environments

3G Services

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Service Bit Rate requirements

Source: Mason

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Data Rate Requirements

Source: Mason

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Hierarchical Cell Structure

Source: Mason

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Available Spectrum in Brazil

Source: www.teleco.com.br

UMTS can also be implemented in TDD (Time Division Duplex) mode.

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Available Spectrum in Brazil

* The H sub band was reserved by Anatel for new operators. Anotherpossibility is its acquisition by operators owners of G or I sub bands.

Source: www.teleco.com.br

F 15 + 15 1.920-1.935 2.110-2.125

G 10 + 10 1.935-1.945 2.125-2.135H* 10 + 10 1.945-1.955 2.135-2.145

I 10 + 10 1.955-1.965 2.145-2.155

J 10 + 10 1.965-1.975 2.155-2.165

Sub Band Bandwidth (MHz)

3G Bands in Brazil

Mobile (GHz) Node B (GHz)

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Available Spectrum in Brazil

Source: www.teleco.com.br

Area A Band B Band

SP Vivo ClaroRJ, ES Vivo Claro

MG Telemig TIM

PR, SC TIM VivoRS Vivo Claro

CO Vivo Claro

Amaznia Amaznia Vivo

BA, SE Vivo TIM

NE TIM Claro

850MHz Band for 3G

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3G in Brazil

Source: www.teleco.com.br

Operator TechnologyStart of

OperationCoverage

Vivo EVDO 2004 24 cities (VIVO ZAP 3G)

Telemig Celular WCDMA/HSDPA nov/07 Belo Horizonte

Claro WCDMA/HSDPA nov/07

Braslia, Fortaleza, Recife, Porto

Alegre, So Paulo, Rio de Janeiro

(Maca)

CTBC WCDMA/HSDPA apr/08 Uberaba, Uberlndia, Franca

TIM WCDMA/HSDPA apr/08Belo Horizonte, Curitiba,

Florianpolis, Fortaleza, Recife,

Salvador, So Paulo, Rio de Janeiro

Brasil Telecom WCDMA/HSDPA apr/08

Porto Alegre, Florianpolis, Curitiba,

Campo Grande, Goinia, Braslia,Cuiab, Palmas, Porto Velho, Rio

Branco

3G Networks in Brazil

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3G in Brazil

Source: www.teleco.com.br

Operator Core Access

Vivo Ericsson Ericsson, Huawei

TIM EricssonEricsson, Nokia-Siemens,

Huawei

Claro Ericsson, Nokia-SiemensEricsson, Nokia-Siemens,

HuaweiOi Nokia-Siemens Nokia-Siemens, HuaweiBrT Ericsson Ericsson, ZTE

Telemig Ericsson EricssonAmaznia probably the same as Oi probably the same as OiCTBC Huawei Huawei

Sercomtel Ericsson Ericsson

Vendors

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UMTS vs. GSM

Source: Nokia

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UMTS vs. GSM

Source: Nokia

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UMTS Subsystems

Source: Nokia

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UMTS Basic Network

Source: Nokia

RNC

Iu ps

MGW

MSC/HLR

SGSN

RNC

Iu cs

IubIubIub

UuUu

Iur

Example network could have:

20 RNC 4000 Node B 6000000 UE

SGSN

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Questions ?