QoS in Integrated 3G Networks

350 Pages·2002·2.698 MB·English

by  Robert Lloyd-Evans

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QoS in Integrated 3G Networks
ForalistingofrecenttitlesintheArtechHouseMobile
CommunicationsSeries,turntothebackofthisbook.
QoS in Integrated 3G Networks
Robert Lloyd-Evans
Artech House
Boston (cid:149) London
www.artechhouse.com
LibraryofCongressCataloging-in-PublicationData
Lloyd-Evans,Robert.
QoSinintegrated3Gnetworks/RobertLloyd-Evans.
p. cm.(cid:151)(ArtechHousemobilecommunicationsseries)
Includesbibliographicalreferencesandindex.
ISBN1-58053-351-5(alk.paper)
1.Globalsystemformobilecommunications. 2.Wirelesscommunication
systems(cid:151)Qualitycontrol. I.Title:Qualityofserviceinintegrated3Gnetworks.
II.Title. III.Series.
TK5103.483.L56 2002
384.5(cid:151)dc21 2002021595
BritishLibraryCataloguinginPublicationData
Lloyd-Evans,Robert
QoSinintegrated3Gnetworks.(cid:151)(ArtechHousemobile
communicationsseries)
1.Mobilecommunicationsystems
I.Title
621.3(cid:146)8456
ISBN1-58053-351-5
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Contents
Preface xiii
1 Introduction 1
1.1 EvolutionofMobileNetworks 1
1.2 UserPerceptionofQuality 7
1.3 CostsandBenefitsofQuality 8
1.4 InfluenceonQualityofDifferentPartsofthe
Network 10
1.5 OutlineoftheBook 13
References 13
2 CodingOverview 15
2.1 Generalities 15
2.2 BlockCodes 16
2.3 TrellisCodes 18
2.4 ViterbiAlgorithm 20
2.5 ConvolutionalCodes 21
v
vi QoSinIntegrated3GNetworks
2.6 CodeExtensionandShortening 24
2.7 ConcatenationCodes 25
2.8 Source-CodingPrinciples 27
2.9 CodesinMobilePhoneNetworks 28
2.9.1 ChannelCodes 29
2.9.2 WalshSequences 29
2.9.3 SpreadingCodes 30
2.9.4 ScramblingCodes 30
2.9.5 SecurityCodes 32
2.9.6 SourceCodingandDataCompression 33
2.10 Modulation 33
References 34
3 WCDMA 35
3.1 NatureandPrinciples 35
3.1.1 WCDMA-FDD 38
3.1.2 WCDMA-TDD 38
3.2 Layer3(RRC) 40
3.3 Level2 42
3.3.1 PacketDataConvergenceProtocol 42
3.3.2 BroadcastandMulticastControl 43
3.3.3 RLC 43
3.3.4 MACLayer 45
3.4 Level1(cid:151)ThePhysicalLayer 50
3.4.1 General 50
3.4.2 PhysicalChannels 50
3.4.3 Physical-LevelProcedures 53
3.4.4 Multiplexing,ChannelCoding,andInterleavingof
TransportChannels 54
3.4.5 PhysicalLayerMeasurements 57
3.4.6 PowerControl 59
Contents vii
3.4.7 CellSearchandHandover 59
3.4.8 Physical-LevelDifferencesforTDD 61
3.5 High-SpeedDownlinkPacketAccess 63
3.6 QoSinWCDMA 64
References 68
4 cdma2000 71
4.1 GeneralPrinciples 71
4.2 Layer3SignalingandLAC 73
4.3 Layer2MAC 77
4.3.1 General 77
4.3.2 ChannelTypes 78
4.3.3 TheMultiplexingSublayer 79
4.4 Layer1PhysicalLevel 83
4.4.1 Carriers 83
4.4.2 FrequencyBands 84
4.4.3 Timing 85
4.4.4 PowerControl 85
4.4.5 ErrorCorrection 86
4.4.6 DataRates 86
4.5 cdma2000QoS 87
4.5.1 BasicStandard 87
4.5.2 HighData-RateEnhancements 91
References 93
5 GPRS 95
5.1 GeneralPrinciples 95
5.2 Layer3 100
5.2.1 RadioResourceManagement 100
5.2.2 SubnetworkDependentConvergenceProtocol 102
5.2.3 LLCOperation 104
viii QoSinIntegrated3GNetworks
5.2.4 BSS-SGSNProtocol 106
5.3 Layer2RLCandMAC 107
5.3.1 RLC 108
5.3.2 MAC-MODE 111
5.3.3 BSS-SGSNNetworkService 112
5.3.4 RadioLinkProtocol 113
5.4 Layer1 113
5.5 GPRSQoS 117
References 119
6 RFDesignOverview 121
6.1 Cell-CapacityBasics 121
6.2 Signal-QualityFactors 124
6.2.1 PathLoss 124
6.2.2 Shadowing 125
6.2.3 MultipathInterference 125
6.2.4 Jamming 126
6.2.5 HandoverGain 126
6.3 RadioLinkBudget 127
6.4 NetworkExpansion 131
6.5 CapacityandAdmissionControl 133
6.5.1 GPRSAdmissionControl 133
6.5.2 CDMAAdmissionControl 133
6.6 PowerControl 138
References 139
7 Protocols 141
7.1 GeneralRemarks 141
7.2 SS7Features 142
7.3 ATM 144