EvolutionGSM-3G

8/6/2019 EvolutionGSM-3G

http://slidepdf.com/reader/full/evolutiongsm-3g 1/15



The History of GSMThe History of GSMy 1980 ² Analogue Cellular Telephone Systems

Each country had own system (No compatibility)

y 1982 ² CEPT ² Groupe Spécial Mobile (GSM) European Commission issued directives to reserve

900 MHz bandwidth to enable roaming.

y

1989 ² GSM responsibility transferred to ETSI ESTI defined GSM as internationally accepted digital

cellular telephony standard

y 1990 ² Phase I GSM specifications published



History Cont...History Cont...y Mid 1991 ² Commercial service started

y 1992 ² First GSM network operator ² Radiolinja

y 1993 ² 36 GSM networks in 22 countries

Roaming agreement established between operators

y 1994 ² 69 GSM networks

GSM ² Global System for Mobile interaction First network in Africa

y 1995 ² GSM Phase II standardization



History Cont...History Cont...y 1996 ² Pre paid SIM cards launched

y 1997 ² First Dual Band GSM phone launched

y 1998 ²Vodacom introduced free Voice mail

y 1999 ² GPRS & WAP trials

Bluetooth specification v1.0 released

y 2000 ² First GPRS network rolled outy 2001- Popularity of SMS (16 billion messages)



Evolving Mobile Market & TechnologyEvolving Mobile Market & Technology

Users increased by 20% since

2001

500,000 users being added eachday



3G3G -- Expected Costs (Compared toExpected Costs (Compared to

GSM)GSM)y WCDMA - 10 times as much traffic as

compared to GSM

y At cost premium of 1 to 1.5 times that of GSM

y 20% - 30% lower capital expenditure

y 60 % fewer sites required for base stations ²

initial voice coveragey 40 % fewer sites required for base stations ²

data coverage



Key AspectsK

ey Aspectsy Global Roaming ² Key driver in massive

global success of GSM (Interoperability

between networks)y GSM handset models -

Around 600 handset models to choose from

More homogeneous frequency allocation as

compared to CDMA GPRS ² A new business model for packet

switched services



USIM

USIM

y USIM - Security access, Virus intrusion,

Customer profile, Authentication,

Downloading etc. Prepaid service activation & control

Information services

Directory services Mobile banking



3G Revenue Growth3G Revenue Growth



3G Service Evolution3G Service Evolution



Network EvolutionNetwork Evolution



GSM evolution path to 3GGSM evolution path to 3G



Terminals & Spectrum DevelopmentTerminals & Spectrum Development



Perceived PPS environmentPerceived PPS environmenty Intrapsychic environment ² Conceiving it.

y Construction/Manufacturing environment ²

Feasibilityy Adaptation environment ² Salability

y Use environment - Usability

y

Failure environment ² Sustainabilityy Scrapping environment ² Terminability

y Political & Ecological environment



ConclusionConclusion

Patterns of InnovationPatterns of Innovationy GSM ² Knight's move ?

Introduction of new unproven digital technology

y GSM ² to ² 3G ² More of the same ?

Builds on existing GSM technology

y SMS ² to ² MMS ² Passing over quantity

over quality ? Leading to ' infotrainment '

Documents

EvolutionGSM-3G