SEMINAR ON 3G SERVICES

Where are We?Classic Wireline MaBell Public Switched Telephone Network (PSTN)US Universal coverage achieved early 1980sWireless First Generation Analog SystemsSpeechAMPS, TACSSecond Generation Digital SystemsEnhanced CapacityCDMA, D-AMPS, TDMA, GSM, DECT, PDC2.5 Generation SystemsLow Speed DataGPRS, EDGEThird Generation SystemsINTERNET on WirelessWiFi/HyperLAN WiMAX/HyperWAN CDMA2000/WCDMAEvolution to All IP Network including VoIP

What is 3G?

3G (Third Generation) is the latest wireless technology. It is also known as UMTS (Universal Mobile Telecommunications System), an improvement over 2G (Second Generation) providing wireless access to the data and information to the users from anywhere and anytime. It is the latest mobile technology and in fact it is described by Cellular (2004) as being a generic name for the most of mobile technologies.

Why 3G?Higher bandwidth enables a range of new applications!!

For the consumerVideo streaming, TV broadcastVideo calls, video clips news, music, sportsEnhanced gaming, chat, location services

For businessHigh speed teleworking / VPN accessSales force automationVideo conferencingReal-time financial information

GSM Evolution to 3G

GPRSGeneral Packet Radio Service

Packet based Data NetworkWell suited for non-real time internet usage including retrieval of email, faxes and asymmetric web browsing.Supports multi user network sharing of individual radio channels and time slots.Provides packet network on dedicated GSM radio channelsGPRS overlays a packet-switched architecture on existing GSM network architecture

EDGE

EDGE Enhanced Data Rates for Global Evolution

EDGE is add-on to GPRSUses 8-PSK modulation in good conditionsModulation Bit rate 810kbpsRadio data rate per time slot 69.2kbpsUser data rate per time slot 59.2kbps (MCS9)User data rate (8 time slots) 473.6kbpsEDGE access develops to connect to 3G core

How 3G works?

How is 3G different from 2G?

While 2G stands for second-generation wireless telephone technology, 1G networks used are analog, 2G networks are digital and 3G (third-generation) technology is used to enhance mobile phone standards.

3G helps to simultaneously transfer both voice data (a telephone call) and non-voice data (such as downloading information, exchanging e-mail, and instant messaging. The highlight of 3G is video telephony.

Features of Various Services

ServicesFeatures SpeedTime to Download 3Min Mp3 song2GPhone Calls, Voice Mail, Receive Simple Email Messages10kb/sec31- 41 Min2.5GPhone calls/fax - Voice mail -Send/receive large email messages - Web browsings Navigation/maps - New updates64-144kb/sec6-9min3GPhone calls/fax - Global roaming - Send/receive large email messages - High-speed Web Navigation/maps Videoconferencing - TV streaming - Electronic agenda meeting reminder.144kb/sec-2mb/sec11sec-1.5min

Key Mobility ServicesMultimedia Messaging Services (MMS)Text, sounds, images, and videoTransition from Short Message Service (SMS)Open Internet standards for messagingWeb ApplicationsInformation portalsWireless Markup Language (WML) with signals using Wireless Application Protocol (WAP)Location Communications ServicesLocation Awareness BasedPersonalization of information presentation formatService capability negotiations (MExE environment)

Applications of 3GWide-area wireless voice telephoneVideo calls wireless data, and all in a mobile environment. High speed access to internet.3G allows simultaneous use of speech and data services and that to at Higher rates

Advantages of 3GPerform all those functions that they perform at present with their mobile devices but at much higher speed than before. Provides them with faster connectivity, faster internet access, and music entertainment with improved quality. Can avail the benefits of video calling. Provide with the data transmission speed of up to 2Mbps when the users are using the phone on stationary mode. Improved performance over 2GImproved coverage, enabling migration from a 2G deployment.Support of a wide range of services with maximum bit rates above 2 Mbps and the possibility for multiple parallel services on one connection;Support of asynchronous inter-base-station operation;Efficient support of different deployment scenarios, including hierarchical cell structure and hot-spot scenarios;Support of evolutionary technologies such as adaptive antenna arrays and multi-user detection.

Disadvantages of 3GExpensive input fees for the 3G service licenses in some jurisdictionsDifferences in licensing terms between statesLevel of debt incurred by some telecommunication companies, which makes investment in 3G difficultLack of state support for financially troubled operatorsDemand for high speed services in a hand-held device

Future ScopeThe good news for mobile users is that now 3G has been uploaded in all the latest handsets from the leading manufacturers including Sony Ericsson, Samsung, LG, Nokia and Motorola. In addition, a new technology called HSDPA has been upgraded with the 3G system which works faster than 3G. 4G system is the next Generation of 3G system. 4G has New Air Interface, Very high bit rate services and Convergence of wirleine, wireless, and IP worlds.4G has Seamless mobility (roaming) roam freely from one standard to another.Stream Control Transmission Protocol (SCTP) is the protocol which maintains several data streams within a single connection.Integrated LAN card and Subscriber Identity Modules (SIMs)

ANY QURIES??

THANQ