gsm pdf and final seminar or presentation report
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08-08-2010, 12:03 PM

i want a full seminar and presentation report on gsm and powerpoint presentation,i need it urgently,would you please send it soon
i need a good powerpoint presentation ,i am a student so send a technical ppt about gsm which will help me most,please send it soon
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08-08-2010, 07:52 PM

i need a good powerpoint slide presentation,i need it urgently,could anybody can reply me please,i need it very urgently
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02-01-2011, 01:31 PM

i am mtech student and want full seminar and presentation report and ppt on gsm security and encription
seminar surveyer
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03-01-2011, 10:03 AM

for more details on gsm security and encription, please go through the following threads.

topicideashow-to-gsm-security-and-encryption-download-seminar and presentation-report
seminar surveyer
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03-01-2011, 02:16 PM

Abhijeet Agarwal

.ppt   Presentation_on_GSM_Network day2 comb of all slides FINAL.ppt (Size: 454.5 KB / Downloads: 228)

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

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 “ Global System for Mobile 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.

GSM Services

Bearer or Data Services
Supplementary services

Tele Services

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

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
Voice mailbox
Electronic mail

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

GSM System Architecture-I

Mobile Station (MS)
Mobile Equipment (ME)
Subscriber Identity Module (SIM)
Base Station Subsystem (BSS)
Base Transceiver Station (BTS)
Base Station Controller (BSC)
Network Switching Subsystem(NSS)
Mobile Switching Center (MSC)
Home Location Register (HLR)
Visitor Location Register (VLR)
Authentication Center (AUC)
Equipment Identity Register (EIR)

System Architecture Mobile Station (MS)

The Mobile Station is made up of two entities:

Mobile Equipment (ME)
2. Subscriber Identity Module (SIM)

Mobile Equipment

Portable,vehicle mounted, hand held device Uniquely identified by an IMEI (International Mobile Equipment Identity)
Voice and data transmission
Monitoring power and signal quality of surrounding cells for optimum handover
Power level : 0.8W – 20 W
160 character long SMS.

Subscriber Identity Module (SIM)

Smart card contains the International Mobile Subscriber Identity (IMSI)
Allows user to send and receive calls and receive other subscribed services
Encoded network identification details
Key Ki,Kc and A3,A5 and A8 algorithms
Protected by a password or PIN
Can be moved from phone to phone – contains key information to activate the phone

seminar class
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11-05-2011, 04:10 PM

.doc   HARI.DOC (Size: 59.5 KB / Downloads: 55)

.ppt   GSM.PPT (Size: 1.06 MB / Downloads: 72)
GSM services are a standard collection of applications and features available to mobile phone subscribers all over the world.
Accessing a GSM Network
A subscription with a mobile phone operator.
A mobile phone which is GSM compliant and operates at the same frequency as the operator.
A SIM(Subscriber’s Identification Module) is required which is issued by the operator.
About SIM Card
SIM Card contains phone’s identity and what services they are allowed, in a SIM record in the Home Location Register.
Each geographic area has a database called the Visitors Location Register (VLR) which contains details of all local mobiles identified by their SIM Cards.
Voice calls
How outgoing calls are made from a mobile
How incoming calls are made to a mobile
How incoming calls are made to a mobile
Contact the Gateway MSC
Determine how to route the call
Ringing the phone
Speech Encoding during Calls.
The speech codec used in GSM are
Half Rate (HR)
Full Rate (FR)
Enhanced Full Rate (EFR)
Adaptive Multi Rate (AMR)
All codec except AMR operate with a fixed data rate and error correction level.
Call Routing
HLR is queried to determine whether the call should be routed directly to the number or other number.
If the call to be directed to another number the HLR is updated.
If the mobile is not currently associated with a VLR then HLR returns a number called Call Forward Not Reachable (CFNR) to the Gateway MSC.
Data Transmission
Circuit-switched data protocols
General Packet Radio Service(GPRS)
Short message service (SMS)
Supplemenlatary services
Call Forwarding
Barring of Outgoing Calls
Barring of Incoming Calls.
Advice of Charge
Call Hold
Call Waiting
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25-02-2012, 08:25 PM

i want a full seminar and presentation report on gsm and powerpoint presentation,i need it urgently,would you please send it soon


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