GLOBAL SYSTEM FOR MOBILE COMMUNICATION


4.1.DEFINITION

Global system for mobile communication (GSM) is a globally accepted standard for digital cellular communication. GSM is the name of a standardization group established in 1982 to create a common European mobile telephone standard that would formulate specifications for a pan-European mobile cellular radio system operating at 900 MHz.

4.2 THE GSM NETWORK

GSM provides recommendations, not requirements. The GSM specifications define the functions and in ....etc

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GLOBAL SYSTEM
FOR
MOBILE COMMUNICATION

Definition:
Global system for mobile communication (GSM) is a globally accepted
standard for digital cellular communication. GSM is the name of a
standardization group established in 1982 to create a common European
mobile telephone standard that would formulate specifications for a
pan-European mobile cellular radio system operating at 900 MHz. It is
estimated that many countries outside of Europe will join the GSM
partnership.
1. Introduction: The Evol ....etc

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Presented By:
SEMINAR
ON
BY
M.L.V.Ramesh
RollNo:05481A0529


ABSTRACT
Mobile communication is continuously one of the hottest areas that are developing at a booming speed, with advanced techniques emerging in all the fields of mobile and wireless communications. Current times are just the beginning for deploying 3G mobile communication systems, while research on the next generation of mobile communications, 4G wireless and mobile networks begin to pave the way for the future. This paper studies ....etc

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Global satellite system communication



INTRODUCTION

To make a satellite phone call today from a location that does not offer terrestrial wireline or wireless coverage requires the use of a large, costly terminal, and entails very high per minute charges. Further, the quality of service is relatively poor because of annoying echoes, large transmission delays, overtalk associated with satellite communications using geostationary satellites. The next generation of satellite commun ....etc

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UMTS A GLOBAL MOBILE SYSTEM

TOPICS OF DISCUSSION

WHAT IS UMTS
BRIEF HISTORY OF UMTS
TYPES OF UMTS SYSTEM
SPECIAL FEATURES OF UMTS
TECHNOLOGY BEHIND UMTS
NETWORK STRUCTURE OF UMTS
SPECTRUM OF UMTS
ADVANTAGE OVER GSM AND CDMA
APPLICATION OF UMTS
UPGRADATION OF UMTS
FUTURE ASPECTS OF UMTS


WHAT IS UMTS

UMTS is Universal Mobile Telecommunication System.
It is one of the THIRD GENERATION(3G) mobile phone technology
It is standardized by 3GPP, and is the European answer to the ITU ....etc

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GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS
&
SECURITY

SUBMITTEDBY :
SARATH CHOWDARY P.
SURYA TEJA P.
THIRDYEAR,
ELECTRONICS & COMMUNICATION
ENGINEERING ,
SIRC.R.REDDYCOLLEGEOFENGINEERING,
ELURU, ANDHRA PRADESH.


Abstract
In the past decade mobile communications has become one of the driving forces of the digital revolution. Everyday, millions of people are making phone calls by pressing a few buttons. Little is known about how one person s voice reache ....etc

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Each mobile uses a separate, temporary radio channel to talk to the cell site. The cell site talks to many mobiles at once, using one channel per mobile. Channels use a pair of frequencies for communication. One for transmitting from the cell site, the forward link, and one frequency for the cell site to receive calls from the users, the reverse link. Communication between mobile units can be either half-duplex or full-duplex. In case of half-duplex, transmit and receive communications between the mobile units are not at the same time, i.e. tal ....etc

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Global politics names both the discipline that studies the political and economical patterns of the world and the field that is being studied. At the centre of that field are the different processes of political globalization in relation to questions of social power.

The discipline studies the relationships between cities, nation-states, shell-states, multinational corporations, non-governmental organizations and international organizations. Current areas of discussion include national and ethnic conflict regulation, democracy and the polit ....etc

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