1. PROJECT REPORT ON GSM

2. OVERVIEW OF MTNL MTNL was set up on 1st April, 1986 by government of India to upgrade the quality of telecom services. WEBSITE-http:// www.mtnl.net.in

3. WHAT IS GSM ? Global system for mobile communication , a mobile phone system based on multiple radio cells. Two main standards :- GSM 900 – Designed for extensive radio coverage in rural areas DCS 1800 – Designed for radio coverage in areas with very high subscriber density

4. WHAT IS GPRS? It is new non voice value added services that allows information to be sent and received across a mobile telephone network.

5. WHAT IS AN EDGE? Edge- Enhanced data rates for global evolution. It is 3G technology that delivers broadband. It allows consumers to connect to the Internet and send & receive data.

6. GSM ( Global system for mobile communication ) SMART AND SECURE GSM is so secure & flexible with its functionalities & so easy to manipulate. GSM subscribers are identified by their SIM card.

9. Tele services ( For voice & data )- Supplementary services

11. Duplex Distance

12. Channel separation

13. Modulation

14. Transmission rate

16. GSM ARCHITECTURE

18. Radio subsystem ( RSS )

20. Base Station (BS)

22. Base Station Controller (BSC)

24. Home Location Register (HLR)

25. Visitor Location Register (VLR)

26. Authentication Centre (AC)

28. GSM NETWORK AREAS

29. NETWORK AREA CELL: is the area covered by one base transceiver station. Location Area: is the group of cells. MSC/ VLR service area: represents the part of GSM network that is covered by one MSC.

30. VALUE ADDED SERVICES -Call Waiting -Call Divert -Voice Response Services -Mail

32. MTNL-STPI IT Services Limited