bsnl presentation on gsm

Presentation on GSM Network Under Guidance:- Submitted To:- Er. SWAPNIL SATARKAR (J.T.O.) Dr. A. K. Pandey Head of Department CTTC INDORE Information Technology F.E.T,MGCGV,Chitrakoot Satna(M.P.) Submitted By:- KAPIL MASATKER

Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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

It all started like this First telephone (photophone) – Alexander Bell, 1880 The first car mounted radio telephone – 1921

Evolution of Mobile communication systems High data rates (384kbps- 14.4 Mbps) + 2 nd gen. services 1990 2000 Analog speech Digital speech + low rate data (≤ 64 kbps) - 1980 1 st Generation 2 nd Generation 3 rd Generation

[object Object],[object Object],[object Object],[object Object]

GSM: History ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

GSM Services ,[object Object],[object Object],[object Object]

Tele Services • Telecommunication services that enable voice communication via mobile phones • Offered services - Mobile telephony - Emergency calling

Bearer Services ,[object Object],[object Object],[object Object],[object Object],[object Object]

Supplementary Services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

GSM System Architecture BSC BSC MSC MS MS MS BTS BTS BTS GMSC PSTN ISDN PDN EIR AUC HLR VLR

Telephone Exchange Subscriber Line (2W) Inter-Exchange Junction Mobile Switching Centre (MSC) BSC BTS MS

GSM System Architecture-I ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

System Architecture Mobile Station (MS) ,[object Object],[object Object],[object Object]

System Architecture Mobile Station (MS) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Limitations of 2G Mobile systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Nomenclature ,[object Object],[object Object],[object Object],[object Object]

System Architecture Base Station Subsystem (BSS) ,[object Object],[object Object],[object Object]

System Architecture Base Station Subsystem (BSS) ,[object Object],[object Object],[object Object],[object Object],[object Object]

System Architecture Base Station Subsystem (BSS) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

System Architecture Network Switching Subsystem(NSS) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

System Architecture Network Switching Subsystem ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

GSM Specifications-1 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

GSM Specification-II ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

GSM Protocol Architecture Layer 1 Layer 2 Layer 3 TDMA/FDMA

GSM Operation Speech decoding Channel decoding De-interleaving Burst Formatting De-ciphering Demodulation Modulation Ciphering Burst Formatting Interleaving Channel Coding Speech coding Radio Interface Speech Speech 13 Kbps 22.8 Kbps 22.8 Kbps 33.6 Kbps 33.6 Kbps 270.83 Kbps

Call Routing ,[object Object],[object Object]

Radio Resource Management (RR)

Outgoing Call ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Incoming Call ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Handovers ,[object Object],[object Object],[object Object],[object Object],[object Object]

Characteristics of GSM Standard ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Advantages of GSM over Analog system ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

GSM Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Future Of GSM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

bsnl presentation on gsm

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