RK-3 GSM Network - Presentation on GSM Presentation Network...

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Presentation on GSM Presentation on GSM Network Network
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• GSM-Introduction • Architecture • Technical Specifications • Frame Structure • Channels Security Characteristics and features Applications Contents Contents
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What is GSM ? What is GSM ? Global System for Mobile (GSM) is a second generation cellular standard developed to cater voice services and data delivery using digital modulation
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GSM: History GSM: History Developed by Group Spéciale Mobile (founded 1982) which was an initiative of CEPT ( Conference of European Post and Telecommunication ) • Aim : to replace the incompatible analog system • Presently the responsibility of GSM standardization resides with special mobile group under ETSI ( European telecommunication Standards Institute ) Full set of specifications phase-I became available in 1990 • Under ETSI, GSM is named as “ G lobal S ystem for M obile communication “ • Today many providers all over the world use GSM (more than 135 countries in Asia, Africa, Europe, Australia, America) • More than 1300 million subscribers in world and 45 million subscriber in India.
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GSM in World GSM in World Figures: March, 2005 37% 1% 4% 43% 4% 3% 3% 3% (INDIA) 3% Arab World Asia Pacific Africa East Central Asia Europe Russia India North America South America
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GSM in India GSM in India Figures: March 2005 Bharti 27% BSNL 22% Spice 4% IDEA 13% Hutch 19% BPL 6% Aircel 4% Reliance 3% MTNL 2% Bharti BSNL Hutch IDEA BPL Aircel Spice Reliance MTNL
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GSM Services GSM Services Tele-services Bearer or Data Services Supplementary services
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Tele Services Tele Services • Telecommunication services that enable voice communication via mobile phones • Offered services - Mobile telephony - Emergency calling
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Bearer Services Bearer Services Include various data services for information transfer between GSM and other networks like PSTN, ISDN etc at rates from 300 to 9600 bps Short Message Service (SMS) up to 160 character alphanumeric data transmission to/from the mobile terminal Unified Messaging Services(UMS) Group 3 fax Voice mailbox Electronic mail
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Supplementary Services Supplementary Services Call related services : Call Waiting- Notification of an incoming call while on the handset Call Hold- Put a caller on hold to take another call Call Barring- All calls, outgoing calls, or incoming calls Call Forwarding- Calls can be sent to various numbers defined by the user Multi Party Call Conferencing - Link multiple calls together CLIP – Caller line identification presentation CLIR – Caller line identification restriction CUG – Closed user group
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GSM System Architecture GSM System Architecture BSC BSC MSC MS MS MS BTS BTS BTS GMSC PSTN ISDN PDN EIR AUC HLR VLR
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This note was uploaded on 09/01/2010 for the course IT itphd taught by Professor Nitin during the Spring '10 term at Vlerick Leuven Gent Management School.

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RK-3 GSM Network - Presentation on GSM Presentation Network...

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