Forensic radio survey techniques for cell site analysis

著者

    • Hoy, Joseph

書誌事項

Forensic radio survey techniques for cell site analysis

Joseph Hoy

Wiley, 2015

大学図書館所蔵 件 / 全1件

この図書・雑誌をさがす

注記

Includes bibliographical references and index

内容説明・目次

内容説明

This book is intended to be used as both a text book and as an aide memoire handbook by forensic radio survey engineers, particularly those working for official police agencies. The book provides a simple but detailed overview of the operation of cellular networks (GSM, UMTS and LTE, US CDMAOne/CDMA2000, amongst others). In addition, the author also provides an overview of the technical theories that underpin cellular radio systems - basic radio theory and a simple explanation of the mathematical concepts that underlie measurements scales such as dB and dBm. The main part of the book, however, focuses on radio surveys, the various types of survey, the techniques employed for each survey and the considerations and potential problems that can be encountered when surveying different types of network. The final section deals with processing and interpreting the results of radio surveys and examines the information that can be gained from them.

目次

About the Author xvii Preface xix Acknowledgements xxi Glossary xxiii 1 Forensic Radio Surveys for Cell Site Analysis 1 1.1 Cell Site Analysis 1 1.2 Forensic Radio Surveying 1 2 Radio Theory 3 2.1 RF Propagation 3 2.2 Carrying Information on a Radio Signal 10 2.3 Radio Spectrum 13 2.4 RF Measurements 16 Note 23 References 23 3 Wireless Technologies and Deployments 25 3.1 Coordinating Cellular Development 25 3.2 Evolution from 0G to 4G 26 3.3 3GPP Network Types 30 3.4 3GPP2 Network Types 31 3.5 Other Types of Network 32 3.6 Deployed Technologies by Region 34 3.7 Commonly-used Frequency Bands by Region 36 References 36 4 Cellular Theory 37 4.1 Pre-cellular Radiotelephone Networks 37 4.2 Radio Cells 38 4.3 Frequency Reuse 40 4.4 Cell Size and Coverage 41 4.5 Duplex Techniques 43 4.6 Multiple Access Techniques 44 4.7 Generic Network Architecture 46 4.8 Mobile Devices 47 4.9 Radio Access Networks 48 4.10 Core Networks 51 4.11 Subscriber and Device Identifiers 52 4.12 Network Databases 57 4.13 Cell Sites 59 4.14 Antennas and Azimuths 66 4.15 Uptilt and Downtilt 68 4.16 Cell Types and Sizes 69 4.17 Cell Site Types and Uses 70 4.18 Single and Multi Frequency Networks 71 4.19 Cell Coverage Concepts 74 4.20 Small Cells and Closed Subscriber Groups 77 4.21 Network Activities 78 4.22 Idle Mode and Connected Mode 83 4.23 Cell Access Control 87 4.24 Location Updating (Idle Mode Mobility) 89 4.25 Handover (Connected Mode Mobility) 91 References 92 5 3GPP Network Types 93 5.1 2G GSM Networks 94 5.2 3G UMTS/HSPA Networks 111 5.3 4G LTE Networks 130 References 146 6 Other Cellular Network Types 149 6.1 2G IS-95/cdmaOne 149 6.2 3G IS-2000/CDMA2000 1xRTT 150 6.3 3g Cdma2000 Ev-do 163 6.4 Surveying Other Technologies 165 References 173 7 Forensic Radio Surveys 175 7.1 Forensic Radio Survey Objectives 175 7.2 Forensic Radio Survey Terminology 175 7.3 Forensic Radio Survey Types and Techniques 176 7.4 Idle Mode versus Connected Mode Surveys 187 7.5 Additional Survey Techniques 196 7.6 Survey Preparation 201 7.7 Typical Survey Actions and Procedures 205 7.8 Survey Results: Checking and Confirmation 217 7.9 Survey Notes and Progress Maps 220 7.10 Survey Equipment Types 221 7.11 Raw Survey Results 225 7.12 Processing Survey Results 230 7.13 Understanding Survey Results 239 7.14 Storage of Survey Data 245 7.15 Quality and Best Practice 248 7.16 Summary of Typical Survey Results 252 References 254 8 Cell Site Analysis 255 8.1 Cell Site Concepts 256 8.2 Uses and Limitations of Cell Site Evidence 257 8.3 Regulation of Cell Site Analysis 264 8.4 Components of Cell Site Analysis 265 8.5 Call Detail Records 265 8.6 Sources of Cellular Coverage Data 276 8.7 Forensic Radio Surveys 278 8.8 Cell Site Reports 279 8.9 Call Schedules 285 8.10 Maps and Graphics 286 8.11 Report Checking and Peer Review 289 8.12 Professional and Expert Witnesses 290 8.13 Court Presentations 293 References 296 9 Summary and Practical Activities 297 9.1 Radio and Cellular Concepts 297 9.2 Cellular Identifiers 301 9.3 Cellular Network Types 307 9.4 Forensic Radio Surveys 312 9.5 Survey Results: Checking and Confirmation 321 9.6 Survey Notes and Progress Maps 322 9.7 Survey Results 323 9.8 Cell Site Analysis 330 9.9 End-to-End Process 335 9.10 Master List of Events/Locations 336 9.11 Source Files Attribution List 336 9.12 Normalise Call Data into a Standard Format 337 9.13 Create a Master Cell List 344 9.14 Creating a Case Master Map 345 9.15 Compile Radio Survey Summary Tables 347 9.16 Creating Call and Cell Labels 355 9.17 Cell Site Mapping Presentations 358 9.18 Summary 360 References 361 Index 363

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