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BUSINESS BENEFITS OF

3G-4G

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MOBILE COMPUTING is the discipline for creating aninformation management platform, which is free fromspatial and temporal constraints.

It can be defined as a computing environment of physicalmobility

User of a mobile computing environment will be able to

access data, information or other logical objects from anydevice in any network while on the move.

Communication bearer is spread over both wired andwireless media.

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Mobility

User

Network

Bearer

Device

Session

Agent

Host

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Device OriginServer

Application Server

Adaptation Framework

User withDevice

Networks &Gateways

Middleware Framework Content Datastore

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Physical layer technologies used in MOBILE

COMPUTING is called unguided media

Wireless communication using this media, i.e., radio andmicrowave or satellite, has found widespread use in

mobile phones

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AMPS

AdvancedMobilePhoneSystem

Characteristics

1G Cellular System US

First Cellular phone technology created by

Speech SignalFM; Control SignalFSK

Cell : radius 1-16 miles

Support upto 100,000 customer per city

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GSM

GlobalSystem forMobileCommunication (or)

Groupe Speciale Mobile

Characteristics 2G Cellular System

European Commission

Common European mobile telephone systemPan European

Eliminate incompatibility among the systemsAllowing roaming

Smooth handoffs

SIMSubscriber Identity Module

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IMT

InternationalMobileTelecommunications

Characteristics & Features 3G Cellular service

Developed by International Telecommunications Union-Radio Commn. Global wireless infrastructure, encompassing terrestrial and satellite

systems providing fixed and mobile access for private and publicnetwork

High degree of commonality of design worldwide

High quality

Compatibility of service with IMT and Fixed networks

Worldwide roaming capability

User equipment suitable for worldwide use

Enhanced peak data rates to support advanced services andapplications

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LTE

LongTermEvolution

Characteristics

Part of GSM evolution Extremely high performance radio-access technology

Full vehicular speed mobility

Coexist with HSPA and earlier networks

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EDGE

Enhanced Data rates for GSM Evolution

HSPA

High Speed Packet Access

UMTS

Universal Mobile Telecommunications System

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Significance of 4G

Higher bandwidth

increasing the speed of

data transfer

Lower latency

providing faster response

times from the network

Improved spectrum

efficiencywhich

increases overall networkcapacity

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In Short

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Business Benefits of 4G

Extra productivity

Web and mobile presence

Better service for consumers

New features become an option

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