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Industrial training East Central

Railway, Mughalsarai

BYPRERANAROLL NO-1013331908B.TECH (ECE)FINAL YEARN.I.E.T. GR.NOIDA(U.P.)


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Mughalsarai DivisionECR Network


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CONTENTSIntroduction of Indian railway.

Introduction to GSM.

Structure of GSM.Specification of GSM.

Advantage & disadvantage of GSM.

GSM Application.

Conclusion .


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Introduction of Indian railwayRailways were first introduced to India in 1853

from Mumbai to Thane.

Indian Railways is the world's fourth largest commercialor utility employer, by number of employees, with over1.4 million employees.

There are a total of sixty-eight divisions.

Each of the sixteen zones is headed by a GeneralManager .

Mughalsarai enjoyed the position of the largestrailway marshalling yard of Asia.
http://en.wikipedia.org/wiki/List_of_companies_by_employeeshttp://en.wikipedia.org/wiki/List_of_companies_by_employeeshttp://en.wikipedia.org/wiki/List_of_companies_by_employeeshttp://en.wikipedia.org/wiki/List_of_companies_by_employees


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Introduction to GSMStand for GLOBAL SYSTEM FOR MOBILE

COMMUNICATION.

Develop by conference of European posttelecommunication(CEPT).

There are 36 GSM network in 22 countries.

Frequency band

Uplink 890 - 915 MHzDownlink 935 - 960MHz


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GSM Structure


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Detail of GSM diagramIt is divided into three parts.

The first part is .The second part is known as the

The third part is .


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MOBILE SECTION

Protected by a password or PIN.

Can be moved from phone to phonecontains key

information to activate the phone. The SIM contains subscriber information and International Mobile

Subscriber Identity (IMSI). It contains elementary files specific for GSM-Rin addition to normal GSM files

Two types of Mobile Equipments:i) Operational Purpose Handheld(OPH)ii) General purpose Handheld(GPH)OPH has additional dedicated button for Railway emergency call.OPH for drivers and guards of train.GPH for trackside maintenance and administrative personnel

B S i S b


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Base Station Sub system

(BSS)

Communicate with mobile station and BSC.

Consists of transceivers

Handover for each MS.

Radio power control.

It communicate with MSC and BTS.


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Permanent database about mobile subscribers in a large service area(generally one per GSM network operator).

Control those mobiles roaming in its area.

Heart of network call routing.

Made up of three sub classes :the write list ,the black list and grey list.

NETWORK SUBSYSTEM


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Advantage of GSMBetter voice quality and low cost alternative to making

calls.

International roaming.

Delivering mobile data.

Offering greater network capacity.


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GSM ApplicationMobile telephony.

GSM-R.

Telemetry system..

Value added services.


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Emergency by Controller

Emergency!

Emergency!

Emergency!

OK

OK

OK

Controller


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conclusionGSM is making our life easy .

Long distance call charges to fall further.

High growth in mobile internet & broad band foreseentill 2012.


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