GSM SYSTEME NGINEERING The Artech House Mobile Communications Series John Walker, Series Editor Advanced Technology for Road Transport: IVHS and ATT, Ian Catling, editor An Introduction to GSM, Siegmund M. Redl, Matthias K. Weber, Malcolm W.O liphant CDMA for Wireless Personal Communications, Ramjee Prasad Cellular Digital Packet Data, Muthuthamby Sreetharan and Rajiv Kumar Cellular Mobile Systems Engineering, Saleh Faruque Cellular Radio: Analog and Digital Systems, Asha Mehrotra Cellular Radio Systems, D. M. Balston, R. C. V.M acario, editors Cellular Radio: Performance Engineering, Asha Mehrotra Digital Beamforming in Wireless Communications, John Litva, Titus Kwok-Yeung Lo GSM System Engineering, Asha Mehrotra Introduction to Radio Propagation for Fixed and Mobile Communications, John Doble Land-Mobile Radio System Engineering, Garry C. Hess Mobile Communications in the US.a nd Europe: Regulation, Technology, and Markets, Michael Paetsch Mobile Antenna Systems Handbook, K. Fujimoto, 1. R. James Mobile Data Communications Systems, Peter Wong, David Britland Mobile Information Systems, John Walker, editor Personal Communications Networks, Alan David Hadden RF and Microwave Circuit Design for Wireless Communications, Lawrence E. Larson, editor Smart Highways, Smart Cars, Richard Whelan Understanding GPS: Principles and Applications, Elliott D. Kaplan, editor Wireless Communications in Developing Countries: Cellular and Satellite Systems, Rachael E. Schwartz Wireless Communications for Intelligent Transportation Systems, Scott D. Elliott, Daniel J. Dailey Wireless Data Networking, Nathan J. Muller Wireless: The Revolution in Personal Telecommunications, Ira Brodsky For a complete listing of The Artech House Telecommunications Library, turn to the back of this book. GSM SYSTEME NGINEERING Asha Mehrotra Artech House, Inc. Boston London Library of Congress Cataloging-in-Publication Data Mehrotra, Asha. GSM System Engineering 1 Asha Mehrotra. p. cm. Includes bibliographical references and index. ISBN 0-89006-860-7 (alk. paper) 1. Global system for mobile communications. I. Title. TK5103.483.M45 1996 621.3845'64~21 97-4029 CIP British Library Cataloguing in Publication Data Mehrotra, Asha GSM System Engineering 1. Cellular radio 2. Mobile communication systems. I. Title 621.3'8456 ISBN 0-89006-860-7 Cover design by Jennifer Makower. 8 1997 ARTECH HOUSE, INC. 685 Canton Street Norwood, MA 02062 All rights reserved. Printed and bound in the United States of America. No part of this book may be reproduced or utilized in any form or by any means, electronic or mechanical, includ- ing photocopying, recording, or by any information storage and retrieval system, without permission in writing from the publisher. All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. Artech House cannot attest to the accuracy of this informa- tion. Use of a term in this book should not be regarded as affecting the validity of any trade- mark or service mark. International Standard Book Number: 0-89006-860-7 Library of Congress Catalog Card Number: 97-4029 Preface Chapter 1 Introduction to GSM System 1.1 Introduction 1.1.1 Objectives of FPLMTS 1.2 GSM Background 1.2.1 Important Dates 1.2.2 MOU and Different Working Groups 1.3 GSM Operational Requirements 1.4 GSM Technical Requirements 1.5 GSM-Provided Services 1.6 Future Developments 1.7 Organization of the Book Problems References Appendix 1A Teleservices Appendix 1B Bearer Services Appendix 1C Supplementary Services Chapter 2 GSM Architecture 2.1 Introduction viii GSM SYSTEM ENGINEERING GSM Network Structure 2.2.1 Cell Layout and Frequency Planning Mobile Station 2.3.1 Functions of MS 2.3.2 Power Levels 2.3.3 MS Configuration 2.3.4 SIM Card 2.3.5 Mobile Identification Numbers Base Station System 2.4.1 Functions of BTS 2.4.2 BSC Switching Subsystems: Mobile Switching Center and Gateway Switching Center 2.5.1 Functions of MSC 2.5.2 VLR Home Location Register Authentication Center Equipment Identity Register Interworking Function 2.10 Echo Canceler 2.1 1 Operations and Maintenance Center 2.12 The Network Management Center 2.13 Billing Center 2.14 Networking 2.15 Conclusions Problems References Chapter 3 Time and Frequency Axis Representation 3.1 Introduction 3.2 Time Domain Representation 3.2.1 Logical Channels 3.2.2 Logical TCHs 3.2.3 Logical Control Channels 3.2.4 Structure of a TDMA Slot With a Frame 3.2.5 Time Organization of Signaling Channels 3.3 Frequency Axis Representation 3.3.1 Frequency Hopping 3.4 Operational Concepts 3.4.1 Mobile Modes 3.4.2 Access Support to Mobile 3.4.3 Mobile Sequence of Operations Contents fx 3.5 Conclusions Problems References Chapter 4 Mobility Management 4.1 Introduction 4.2 Signaling Protocols 4.3 Mobile Initialization 4.4 Basic Steps in the Formation of a Call 4.4.1 Connection Request 4.4.2 Paging Procedure 4.4.3 Identification Procedure 4.4.4 Authentication 4.4.5 Ciphering 4.4.6 Call Clearing 4.4.7 IMSI Attach and Detach 4.5 Location Update 4.6 MS-PSTN Call 4.7 PSTN-MS Call 4.8 MS-MS Call 4.9 Call Handover 4.10 Summary and Conclusions Problems References Chapter 5 Security Management 5.1 Introduction 5.2 Temporary Mobile Subscriber Identification 5.3 Authentication 5.4 Encryption 5.5 Characteristics of the SIM 5.6 Equipment Identification 5.7 Conclusions Problems References Chapter 6 Technical Details of GSM 6.1 Introduction 6.2 Spectral Efficiency of GSM System 6.2.1 Some Alternate Measure of Spectral Efficiency 6.2.2 Multiple Access Efficiency of FDMA and TDMA Systems 6.2.3 FDMA 6.2.4 TDMA x GSM SYSTEM ENGINEERING 6.3 Speech Coding 6.3.1 The RPE-LTP Speech Encoder 6.4 Block and Convolutional Coding 6.4.1 Full Rate Speech Coding 6.4.2 Data Coding at 9.6 Kbps and 2.4 Kbps 6.4.3 Channel Rate of 2.4 Kbps 6.4.4 Control Channel Signaling Data 6.4.5 Interleaving 6.5 Digital Modulation 6.5.1 MSK Modulation 6.5.2 GMSK Modulation 6.5.3 Demodulation 6.6 Channel Characterization 6.6.1 Channel Equalization 6.7 Delay Requirements 6.8 Discontinuous Transmission 6.8.1 Voice Activity Detector 6.8.2 The Comfort Noise Functions 6.9 Timing Advance Mechanism 6.10 Mobile-Assisted Handover 6.10.1 GSM Application 6.11 Conclusions Problems References Chapter 7 Subscriber Management and Network Maintenance 7.1 Introduction 7.2 Subscription Administration 7.3 Billing and Accounting 7.3.1 GSM and Subscriber Mobility 7.3.2 Subscriber Billing: National and International 7.3.3 Charging Principles 7.3.4 Billing and Accounting: Different Call Components 7.3.5 Standard for Data Transfer 7.3.6 Toll Ticketing 7.4 Network Maintenance 7.4.1 Minimization of Failure Occurrence 7.4.2 Minimizing the Effects of Failure 7.4.3 Fault Detection 7.5 Conclusions Problems References Contents xi Chapter 8 GSM Protocols Introduction Physical Layer Data Link Layer MTP3, SCCP, and TCAP Protocols Application Layer 8.5.1 RRLayer 8.5.2 MM Layer 8.5.3 CCLayer 8.5.4 Message Formatting BSS Application Part MAP Protocol 8.7.1 MAP Protocols for MM 8.7.2 MAP Protocols for Basic Services Support Common Channel Signaling Between MSC and Fixed Network Standardized Interfaces in GSM 8.9.1 U, Interface 8.9.2 A-bis Interface 8.9.3 A Interface 8.10 Conclusions Problems References Chapter 9 Details of MS, BSS, MSC, and NMC 9.1 Introduction 9.2 Mobile Station Subsystem 9.2.1 Mobile Attributes 9.2.2 Features of Mobile: Basic, Supplementary, and Additional 9.2.3 Mobile Configuration 9.2.4 Terminal Architecture 9.3 Base Station System 9.3.1 BS Controller Architecture 9.3.2 BTS Architecture 9.3.3 Remote Transcoders 9.4 MSC and GMSC Architecture 9.4.1 Switch Matrix 9.4.2 Automatic Message Accounting 9.4.3 Timing System 9.4.4 X.25 Interface System 9.4.5 Land Call Management
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