The Complete Wireless Communications Professional: A Guide for Engineers and Managers

402 Pages·1999·1.098 MB·English

by  William Webb

The Complete Wireless
Communications Professional:
A Guide for Engineers and Managers
The Complete Wireless
Communications Professional:
A Guide for Engineers and Managers
William Webb
Artech House
Boston • London
LibraryofCongressCataloging-in-PublicationData
Webb,William,1967–
Thecompletewirelesscommunicationsprofessional:aguideforengineers
andmanagers/WilliamWebb
p. cm.—(ArtechHousemobilecommunicationslibrary)
Includesbibliographicalreferencesandindex.
ISBN0-89006-338-9(alk.paper)
1.Wirelesscommunicationsystems. 2.Mobilecommunicationsystems.
I.Title. II.Series.
TK5103.2.W42 1999
621.6845—dc21 98-51802
CIP
BritishLibraryCataloguinginPublicationData
Webb,William,1967–
Thecompletewirelesscommunicationsprofessional:aguideforengineers
andmanagers—(ArtechHousemobilecommunicationslibrary)
1.Wirelesscommunicationsystems.
I.Title
621.3’82
ISBN 0-89006-338-9
CoverdesignbyLyndaFishbourne
©1999ARTECHHOUSE,INC.
685CantonStreet
Norwood,MA02062
Allrightsreserved.PrintedandboundintheUnitedStatesofAmerica.Nopartof
thisbookmaybereproducedorutilizedinanyformorbyanymeans,electronicor
mechanical,includingphotocopying,recording,orbyanyinformationstorageand
retrievalsystem,withoutpermissioninwritingfromthepublisher.
Alltermsmentionedinthisbookthatareknowntobetrademarksorservice
markshavebeenappropriatelycapitalized.ArtechHousecannotattesttotheaccu-
racyofthisinformation.Useofaterminthisbookshouldnotberegardedas
affectingthevalidityofanytrademarkorservicemark.
InternationalStandardBookNumber:0-89006-338-9
LibraryofCongressCatalogCardNumber:98-51802
10987654321
Contents
Preface What is a complete wireless professional? xiii
Introduction xiii
Formatofthisbook xiv
Acknowledgments xv
Part I Introductory material 1
1 Some interesting history 3
1.1 Introduction 3
1.2 Earlyhistory 4
1.3 Somekeymilestonesinmobileradiohistory 8
1.4 Recenthistory 10
References 16
Part II Mobile radio systems 17
2 The basics of mobile radio 19
2.1 Introduction 19
v
vi TheCompleteWirelessCommunicationsProfessional
2.2 Basicprinciplesofpropagation 20
2.3 Radiospectrumutilization 32
2.4 Basicsystemdesign 37
2.4.1 Systemoverview 37
2.4.2 Voiceencoding 37
2.4.3 Securetransmission 46
2.4.4 Overcomingchannelimperfections 48
2.4.5 Frequencyandphasemodulation 55
2.4.6 Clockrecovery 64
2.4.7 Carrierrecovery 66
2.4.8 Multipleaccess 68
2.5 Packetandcircuittransmission 79
2.6 Theoreticalcapacityofmobileradiosystems 80
References 82
Furtherreading 83
3 Cellular radio technologies 85
3.1 Therangeofcellularsystems 85
3.2 GSM 88
3.2.1 Systemarchitecture 88
3.2.2 Locatingasubscriberandstartingcalls 91
3.2.3 TransmissionwithinGSM 93
3.3 cdmaOne 101
3.4 Othersystems 106
References 106
4 Private mobile radio systems 107
4.1 Introduction 107
4.2 Simpleprivateradiosystems 114
Contents vii
4.3 TETRA 119
4.3.1 Introduction 119
4.3.2 Systemoperation 120
4.3.3 Technicalparameters 123
4.4 Othersystems 125
References 125
5 Other mobile radio systems 127
5.1 Introduction 127
5.2 Cordlesssystems 128
5.2.1 Overviewofcordlesstelephony 128
5.2.2 Digitalenhancedcordlesstelephone 130
5.2.3 Personalhandiphonesystem 134
5.3 Wirelesslocalloopsystems 135
5.3.1 Introductiontowirelesslocalloop 135
5.3.2 Accesstechnologies:radioandcable 137
5.3.3 WLLandcellular:thedifferences 142
5.3.4 TechnologiesforWLLandLMDS/MVDS 144
5.4 Satellitesystemsfortelephony 149
5.4.1 Introduction 149
5.4.2 Concept 150
5.4.3 Economicsofsatellitesystems 153
5.5 TV,radio,andothersystems 154
References 159
6 Interfacing with fixed networks 161
6.1 Theneedforfixednetworks 161
6.2 Fixednetworkarchitectures 162
6.3 Fixednetworkprotocols 170
viii TheCompleteWirelessCommunicationsProfessional
6.4 Fixedmobileconvergence 178
6.4.1 Introduction 178
6.4.2 Definingfixed-mobileconvergence 179
6.4.3 Possiblesolutions 179
6.4.4 ThefutureoftheFMCmarketplace 185
References 187
Part III The mobile network operator 189
7 Designing a mobile radio network 191
7.1 Technicaldesign 191
7.1.1 Introduction 191
7.1.2 Networkplanning 193
7.1.3 Radioplanning 196
7.1.4 Microcellsandpicocells 198
7.1.5 Interconnection 199
7.1.6 Operationsandmaintenanceplanning 203
7.1.7 Supplierselection 204
7.1.8 Networkdeployment 205
7.2 Applyingforalicense 205
7.3 Themobileradioequipmentmanufacturer 208
References 210
8 Economics of a mobile radio network 211
8.1 Understandingfinancialinformation 211
8.1.1 Introductiontoaccounting 211
8.1.2 Theprofitandlossaccount 212
8.1.3 Thebalancesheet 215
8.1.4 Thefundsflowstatement 218
8.1.5 Performingfirstpassmodeling 221
Contents ix
8.2 Thebusinesscase 223
8.2.1 Theoverallstructureofthebusinesscase 223
8.2.2 Thenetworkcosts 223
8.2.3 Theoperatingexpenses 227
8.2.4 Revenue 227
8.2.5 Financing 233
8.2.6 Summary 235
References 238
9 Operating a mobile radio network 239
9.1 Introduction 239
9.2 Monitoringthenetwork 240
9.3 Tariffpoliciesandtheirimplications 244
9.4 Capacityenhancement 246
9.4.1 Introduction 246
9.4.2 Theavailablecapacityenhancementtechniques 246
9.4.3 Dual-bandoperation 247
9.4.4 Techniquesaffectingtheclustersize 247
9.4.5 Usingmorecells 251
9.4.6 Whichcapacityenhancementtechniquesshouldbe
usedwhen? 252
10 Large users of mobile radio networks 255
10.1 Introduction 255
10.2 Railways 257
10.2.1 Introduction 257
10.2.2 CurrentrailwaycommunicationswithinEurope 258
10.2.3 Railwayrequirements 259
10.2.4 PMRversuscellular 261
x TheCompleteWirelessCommunicationsProfessional
10.3 Police 263
10.3.1 Introduction 263
10.3.2 Descriptionofrequirements 264
10.3.3 Selectionofradiosystem 265
10.4 Otheremergencyservices 266
10.5 Otherusers 267
11 Future mobile radio systems 269
11.1 Progressinradiosystems 269
11.2 Thethirdgenerationvision 270
11.3 Designingthethirdgenerationsystem 274
References 277
Part IV Regulators and governments 279
12 Radio spectrum 281
12.1 Introduction 281
12.2 Themanagementofradiospectrum 282
12.3 Modernallocationandassignmentmethods 287
12.4 Implicationsforthemobileradiooperator 290
12.5 Governmentpolicy 294
References 297
13 Standardization 299
13.1 Introduction 299
13.2 Standards-makingbodies 300
13.3 Writingstandards 304
References 307
Contents xi
Part V Becoming a better wireless professional 309
14 Areas of conflict 311
14.1 Introduction 311
14.2 TETRAversusGSM 313
14.2.1 Backgroundtothedebate 313
14.2.2 Evaluationofthetechnologies 313
14.2.3 Economiccomparison 315
14.2.4 Analyzingthedebate 318
14.3 DECTversusPHS 319
14.3.1 Backgroundtothedebate 319
14.3.2 Thekeyissues 319
14.3.3 Analyzingthedebate 321
14.4 CDMAversusTDMA 322
14.4.1 Backgroundtothedebate 322
14.4.2 ThecapacityofCDMAversusTDMA 323
14.4.3 Otherissuesintroducedintothedebate 325
14.4.4 Analyzingthedebate 327
14.5 Handlingconflict 327
References 328
15 Management 329
15.1 Introduction 329
15.2 Anoverviewofmanagement 330
15.3 Understandingcorporatestrategy 332
References 338
16 The complete wireless professional 339
16.1 Introduction 339