Introduction to gsm

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  • This chapter is designed to provide the student with an introduction to mobile telecommunications and an overview of the GSM standard. It introduces the main system components, the network structure and basic terminology used.

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  • Be familiar with the development of 2G mobile systems. Describe the architecture of a GSM network. Appreciate the main services provided within a GSM network. Understand the various facets of the GSM air interface including, access structures, frequency allocations, physical and logical channels.

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  • 1 Introduction to the Content of the Book This book describes how global mobile communication was made. It is written for those who want or need to know how this was achieved e.g.

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  • This book is a training document and contains simplifications. Therefore, it must not be considered as a specification of the system. The contents of this document are subject to revision without notice due to ongoing progress in methodology, design and manufacturing. Ericsson assumes no legal responsibility for any error or damage resulting from the usage of this document. This document is not intended to replace the technical documentation that was shipped with your system. Always refer to that technical documentation during operation and maintenance....

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  • Our first chapter puts LTE into its historical context, and lays out its requirements and key technical features. We begin by reviewing the architectures of UMTS and GSM, and by introducing some of the terminology that the two systems use. We then summarize the history of mobile telecommunication systems, discuss the issues that have driven the development of LTE, and show how UMTS has evolved first into LTE and then into an enhanced version known as LTE-Advanced. The chapter closes by reviewing the standardization process for LTE....

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  • The third generation (3G) mobile communication system is the next big thing in the world of mobile telecommunications. The first generation included analog mobile phones [e.g., Total Access Communications Systems (TACS), Nordic Mobile Telephone (NMT), and Advanced Mobile Phone Service (AMPS)], and the second generation (2G) included digital mobile phones [e.g., global system for mobile communications (GSM), personal digital cellular (PDC), and digital AMPS (D-AMPS)].

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  • This book focuses on issues related to multiple access for cellular mobile communications, with a specific interest in access arbitration through multiple access protocols situated at the lower sub-layer of the second OSI layer, namely the medium access control (MAC) layer. In this chapter, first an introduction to cellular mobile communication systems is provided.

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  • The information in this document is subject to change without notice and describes only the product defined in the introduction of this documentation. This documentation is intended for the use of Nokia Siemens Networks customers only for the purposes of the agreement under which the document is submitted, and no part of it may be used, reproduced, modified or transmitted in any form or means without the prior written permission of Nokia Siemens Networks.

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  • TOWARDS ‘ALL IP’ AND SOME CONCLUDING REMARKS This concluding chapter provides first an introduction to some of the planned release 5 enhancements to UMTS and the GPRS/EDGE RAN (GERAN). These can be seen as the first step towards ‘all IP’. The challenges when having to deliver real-time IP services over an air interface, in particular voice over IP services, are summarised and possible solutions to achieve spectrum efficiencies similar to those of optimised cellular voice services are outlined.

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