GPRS in Practice: A Companion to the Specifications

396 Pages·2004·14.156 MB·English

by  Peter McGuiggan

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GPRS in Practice
A Companion to the Specifications
Peter McGuiggan
PMCG Consultancy, UK
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GPRS in Practice
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GPRS in Practice
A Companion to the Specifications
Peter McGuiggan
PMCG Consultancy, UK
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To Angela
and Maximillian
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Contents
Preface xiii
1 Introduction 1
1.1 The purpose ofGPRS 1
1.2 So why GPRS? 1
1.3 Internetcommunication 3
1.4 CurrentInternetprotocol – static addresses 5
1.5 CurrentInternetprotocol – dynamic addresses 5
1.6 GPRS Internetaddresses 5
1.7 Portable IP 7
1.8 The GPRSsub-network 10
1.9 Abbreviations used in this chapter 13
2 Radio Channels, PhysicalChannels and Logical Channels –the
GSM/GPRS Air Interface 15
2.1 The radio channels (GSM 45.001) 15
2.2 Physical channels (GSM 45.001) 17
2.2.1 The characteristicsof theGSM/GPRS physicalchannels
(GSM 45.001) 19
2.3 Logical channels (GSM 45.001, 45.002,43.064) 20
2.3.1 GSM logicalchannels 20
2.3.2 GPRSchannelswhich are usedwith or without a PBCCH 22
2.3.3 GPRSlogical channelswhich are usedonly inconjunction
with PBCCH 22
2.3.4 GPRSlogical channelswhich are usedin theabsence
of aPBCCH 23
2.4 The BCCHradio carrier 24
2.5 The PBCCH 25
2.6 Abbreviations used in this chapter 25
3 Air Interface Frame andMultiframe Structures (GSM 45.002, 43.064) 27
3.1 The basic frame 29
3.2 The GPRS52-frame multiframe and logical channel structures 30