tailieunhanh - GSM Technology for engineers

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. | Copyright 2002 AIRCOM International Ltd All rights reserved AIRCOM Training is committed to providing our customers with quality instructor led Telecommunications Training. This documentation is protected by copyright. No part of the contents of this documentation may be reproduced in any form or by any means without the prior written consent of AIRCOM International. Document Number P TR 003 K011 This manual prepared by AIRCOM International Grosvenor House 65-71 London Road Redhill Surrey RH1 1LQ ENGLAND Telephone 44 0 1737 775700 Support Hotline 44 0 1737 775777 Fax 44 0 1737 775770 Web http GSM TECHNOLOGY FOR ENGINEERS Ä AIRCOM F INTERNATIONAL Table of Contents 1. Introduction to Cellular Systems Cellular 1st Generation Cellular 2nd Generation Cellular GSM Development and Cellular Systems Subscriber 2. Architecture Overview GSM General Architecture The GSM Mobile Station MS .14 The Base Station Subsystem BSS .16 The Network Switching Subsystem NSS .17 GSM Self-Assessment 3. GSM Services Introduction .29 GSM Bearer Teleservices . 32 Supplementary Services. 33 Circuit-Switched Data CSD Services . 34 Short Message Service . 35 USSD Data Self-Assessment Exerecises . 41 4. The Air Interface Introduction . 43 GSM Frequency Spectrum GSM Multiple Access GSM Air Interface Frames and Multiframes . 56 Self-Assessment Exercises . 63 5. Protocols Introduction . 65 The ISO 7-Layer OSI GSM Protocols GSM Transmission GSM Signalling GSM Air Um Interface Protocols . 73 GSM A-bis Interface Protocols . 75 The GSM A Interface Protocols. 78 6. Speech and