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G S M

A PROJECT REPORT

ON

GSM ARCHITECTURE

Academic Session: 2003-2004

Undertaken At

HUTCHISON ESSAR

AIRCEL DIGILINK INDIA LTD.,JAIPUR.

Submitted By:

SAKSHI JAIN

B.E. – IV Year

E-10

Roll No.-73

Faculty of Engineering & Technology

ABOUT HUTCH

Hutchison Telecom, one of the world’s leading cellular service provider, brings Hutch to you.

It is part of the Hong Kong based multinational conglomerate Hutchison Whampoa Limited(HWL).

It is also the country's largest roaming operator.

Hutchison now has a combined subscriber base of over 5 million cellular subscribers.

It was recently polled as "India's Most Respected Telecom Company" by a Business World-IMRB Survey.

Value Added Services

Various Services Provided By Hutch Are:-

CALL MANAGEMENT SERVICES

FUN WITH SMS

VOICE RESPONSE SERVICES

ITEMISED BILLING

HUTCHWORLD

HUTCHMAIL

MULTIMEDIA MESSAGING SERVICES (MMS)

CALL WAITING

CALL DIVERT

ROAMING

VARIOUS TECHNOLOGIES

The Wireless Evolution is achieved through the GSM family of wireless technology platforms - today's GSM, GPRS, EDGE & 3GSM.

GSM: Global System for Mobile Communications

GPRS: General Packet Radio
Services

EDGE: Enhanced Data Rates for Global Evolution

3GSM: Third generation GSM

Features Of GSM

Compatibility
Noise Robust
Flexibility
Increased Capacity
Improved Security
ISDN Compatibility
Confidentiality
Subscriber Identification
Use of Standardized Open Interface
Enhanced Range of Services
Cleaner Handovers
International Roaming Capability

GSM IDENTITIES

Mobile Station ISDN Number (MSISDN)

   MSISDN= CC + NDC + SN

      where,

               CC     : Country Code

               NDC : National Destination Code

               SN     : Subscriber Number

It should not exceed 15 digits.

International Mobile Subscriber Identity (IMSI)

    IMSI= MCC + MNC + MSIN

      where,

                MCC : Mobile Country Code

                MNC : Mobile Network Code

                MSIN : Mobile Subscriber Identification Number

It should not exceed 15 digits.

GSM ARCHITECTURE

INTRODUCTION:

A GSM system is basically designed as a combination of three major subsystems:

the network (switching) subsystem (SSS),

the radio subsystem (RSS), and

the operation and maintenance subsystem (OMS).

Network Components of the Radio Subsystem (RSS)

The Radio Subsystem (RSS) consists of:

Mobile Equipment (ME)

Base Station (BS)

Radio Interface (Um)

The BS has a modular design and includes the:

Base Transceiver Station (BTS)

Base Station Controller (BSC)

Transcoding and Rate Adaptation Unit (TRAU)

Radio Subsystem (RSS)

Network Components of the Switching Subsystem (SSS)

The Switching Subsystem (SSS) comprises of:

Mobile services Switching Center (MSC)

Home Location Register (HLR)

Visitor Location Register (VLR)

Authentication Center (AUC)

Equipment Identification Register (EIR)

OPERATION AND MAINTENANCE SUBSYSTEM (OMS)

An OMS consists of one or more Operation & Maintenance Centre (OMC).

The operations and maintenance center (OMC) is connected to all equipment in the switching system and to the BSC.

GSM Network Areas

The GSM network is made up of the following geographic area:

GSM service area;

PLMN service area;

MSC service area;

Location area;

Cells.

BIBLIOGRAPHY

Websites:

1. www.hutchison-whampoa.com

2. www.hutch.co.in

3. www.gsmworld.com

6. www.intel.com

7. www.dia.unisa.it

8. www.searchmobilecomputing.techtarget.com

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