Wireless telecommunications systems GSM-PPT.pdf

This ppt is about gsm in wireless communication

1. Wireless Telecommunication
Systems
Wireless Telecommunication
Systems
Market
GSM
Overview
Services
Sub-systems
Components
GSM
Overview
GSM
Architecture
Radio Interface
Protocols
Localization & Calling
Handover
Security
Sub-systems
Components
GPRS
Architecture
Protocols
Sub-systems
Components

2. GLOBAL SYSTEM FOR MOBILE COMMUNICATION (GSM)

3. Winter 2001ICS 243E -Ch3 3.3
I. GlobalSystemforMobileCommunication (GSM)
Architecture

4. Winter 2001ICS 243E -Ch3 3.4
I. Radio Sub System (RSS):
1. Mobile Station (MS)
2. Base Station Subsystem (BSS)
(i) Base Transceiver Station (BTS)
(ii) Base Station Controller (BSC)
GSM Architecture –RSS
1.Mobile Station(MS):
MS = Mobile Equipment(ME) +
Subscriber Identity Module (SIM)

5. Winter 2001ICS 243E -Ch3 3.5
Network and Switching Subsystem (NSS):
1. Mobile Switching Center (MSC)
2. Home Location Register (HLR)
3. Visitor Location Register (VLR)
GSM Architecture –Contd.

6. Winter 2001ICS 243E -Ch3 3.6
II. GSM Radio Interface

7. Winter 2001ICS 243E -Ch3 3.7
GSM Radio Interface –Other Bursts

8. Winter 2001ICS 243E -Ch3 3.8
GSM Radio Interface –Other Bursts

9. Winter 2001ICS 243E -Ch3 3.9
GSM Radio Interface –Logical Channels

10. GSM Radio Interface –Logical Channels
Winter 2001ICS 243E -Ch3 3.10

11. GSM Radio Interface –Logical Channels

12. GSM Radio Interface –Logical Channels

13. Winter 2001ICS 243E -Ch3 3.13
GSM Frame Hierarchy

14. Winter 2001ICS 243E -Ch3 3.14
GSM Frame Hierarchy

15. Winter 2001 3.15
III. GSM Protocols

16. Winter 2001ICS 243E -Ch3 3.16
IV. Localization and calling

17. Winter 2001ICS 243E -Ch3 3.17
Localization and Calling -MOC

18. Winter 2001ICS 243E -Ch3 3.18
Localization and Calling -MOC

19. Winter 2001ICS 243E -Ch3 3.19
Localization and Calling -MTC

20. Winter 2001ICS 243E -Ch3 3.20
Localization and Calling -Message Flow

21. Winter 2001ICS 243E -Ch3 3.21
V. Handover
MSC MSC
BSC BSCBSC
BTS BTS BTSBTS
MS
1
2
MS
3
MS
4
MS
Types of HO in GSM

22. Winter 2001ICS 243E -Ch3 3.22
Handover
HO Decision
receive level
BTS
old
receive level
BTS
old
MS MS
HO_MARGIN
BTS
old BTS
new

23. Winter 2001ICS 243E -Ch3 3.23
Handover
HO Procedure
BTS
old BSC
new
measuremen
t result
BSC
old
HOaccess
Linkestablishment
MSCMS
measuremen
t report
HOdecision
HOrequired
BTS
new
HO request
resourceallocation
ch.activation
HOrequestack
ch.activationack
HOcommand
HOcommand
HOcommand
HO complete
HO complete
clearcommand
clearcommand
clearcomplete
clearcomplete

24. Winter 2001ICS 243E -Ch3 3.24
VI. Security in GSM
Authentication

25. Winter 2001ICS 243E -Ch3 3.25
Security in GSM
Encryption

26. GENERAL PACKET RADIO SERVICE
(GPRS)

27. Winter 2001ICS 243E -Ch3 3.27
GPRS Architecture

28. Winter 2001ICS 243E -Ch3 3.28
GPRS Protocols