GPRS in Practice -- Contents -- Preface -- 1 Introduction -- 1.1 The purpose of GPRS -- 1.2 So why GPRS? -- 1.3 Internet communication -- 1.4 Current Internet protocol - static addresses -- 1.5 Current Internet protocol - dynamic addresses -- 1.6 GPRS Internet addresses -- 1.7 Portable IP -- 1.8 The GPRS sub-network -- 1.9 Abbreviations used in this chapter -- 2 Radio Channels, Physical Channels and Logical Channels - the GSM/GPRS Air Interface -- 2.1 The radio channels (GSM 45.001) -- 2.2 Physical channels (GSM 45.001) -- 2.2.1 The characteristics of the GSM/GPRS physical channels (GSM 45.001) -- 2.3 Logical channels (GSM 45.001, 45.002, 43.064) -- 2.3.1 GSM logical channels -- 2.3.2 GPRS channels which are used with or without a PBCCH -- 2.3.3 GPRS logical channels which are used only in conjunction with PBCCH -- 2.3.4 GPRS logical channels which are used in the absence of a PBCCH -- 2.4 The BCCH radio carrier -- 2.5 The PBCCH -- 2.6 Abbreviations used in this chapter -- 3 Air Interface Frame and Multiframe Structures (GSM 45.002, 43.064) -- 3.1 The basic frame -- 3.2 The GPRS 52-frame multiframe and logical channel structures -- 3.3 The 52-frame multiframe uplink PRACH channel (GSM 45.002, 43.064) -- 3.4 The GSM 51-frame multiframe logical channel structures (non-combined configuration) -- 3.5 The GSM 51-frame multiframe and logical channel (combined configuration) -- 3.6 The GPRS 51-frame multiframe logical channel structures (GSM 45.002, 43.064) -- 3.7 Using the 51- and 52-frame logical channels -- 3.8 Abbreviations used in this chapter -- 4 The TBF and the MAC Layer (GSM 44.060, sections 5, 7, 8) -- 4.1 What is a TBF? An introduction to the temporary block flow -- 4.1.1 The radio link control/medium access control (RLC/MAC) block -- 4.1.2 Introduction to the MAC function (GSSM 44.060 sections 5, 7, 8).

4.1.3 Combining the components of a TBF into a complete TBF -- 4.1.4 TBF arrow diagrams (GSM 44.060 sections 5, 7, 8, 9) -- 4.2 The MAC layer in action -- 4.2.1 Introduction: GPRS attach -- 4.3 'Attach' MAC procedures (ETSI 123.060 section 6) -- 4.4 Packet data transfer - PDP context activation (ESTI 123.060 section 9) -- 4.5 GPRS sub-network originated TBFs -- 4.6 Alerting the mobile station for a DL TBF -- 4.7 Abbreviations used in this chapter -- 5 An Introduction to Protocol Layers Data Flow (ETSI 123.060) -- 5.1 The protocol stack -- 5.1.1 GPRS protocol layers - a brief description -- 5.2 GPRS signal flow - arrow diagrams (GSM 44.060 sections 5, 7, 8) -- 5.2.1 GPRS attach -- 5.2.2 Mobile originated PDP context activation and TBF (ETSI 123.060 section 9) -- 5.2.3 Paging and MT PDP transfer (GSM 44.060 section 6) -- 5.3 Temporary block flow acknowledged -- 5.4 Abbreviations used in this chapter -- 6 GPRS Mobile Station Characteristics (GSM 45.002) -- 6.1 Mobile station types -- 6.2 GPRS mobile equipment (ME) and subscriber profiles (ETSI 123.060 section 15) -- 6.2.1 Subscriber profile -- 6.3 Mobile equipment multislot capabilities (GSM 45.002 Annexe B) -- 6.4 Abbreviations used in this chapter -- 7 Operations in the Physical Layers -- 7.1 Physical layers -- 7.2 PLMN selection (GSM 43.002 section 3) -- 7.3 Initial cell selection (GSM 43.022 section 4) -- 7.4 GPRS cell reselection when the GPRS sub-network is using PBCCH (GSM 45.008 section 10) -- 7.4.1 Conditions for GPRS cell reselection -- 7.4.2 GPRS cell reselection parameters (GSM 45.008 section 10) -- 7.4.3 GPRS cell reselection criteria (GSM 45.008 section 10) -- 7.4.4 GPRS cell reselection when the GPRS sub-network is not using PBCCH (GSM circuit switched cell reselection) (GSM 45.002 section 6) -- 7.5 Discontinuous reception (DRX) and paging in a cell with PBCCH.

7.5.1 Determining the PCCCH Group (deciding which physical channel to use) -- 7.5.2 Determining the paging group (GSM 45.002 section 6) -- 7.5.3 Selection of paging group from PCCCHs -- 7.5.4 Selection of paging group from CCCHs when there is no PBCCH in a cell -- 7.5.5 Monitoring PCCCHs and CCCHs for paging (the cell has a PBCCH but no Gs interface) (GSM 45.002 section 6) -- 7.5.6 Network mode of operation (NMO) and paging (GSM 44.060 section 6) -- 7.6 Neighbour cell measurements -- 7.6.1 Measurements for cell reselection (GSM 45.008 section 6) -- 7.6.2 Extended measurements (GSM 45.008 section 10) -- 7.6.3 Interference measurements -- 7.6.4 Measurement reports -- 7.6.5 NC measurement reporting procedures -- 7.6.6 EM reporting -- 7.6.7 Interference reports -- 7.7 Mobile station transmitter power control (GSM 45.008 section 10) -- 7.8 Timing advance (TA) (GSM 43.064 section 6) -- 7.9 PRACH control parameters -- 7.10 Contention resolution (GSM 43.064 section 6) -- 7.10.1 One-phase access contention resolution -- 7.10.2 Two-phase access contention resolution -- 7.11 Channel encoding (GSM 45.003 and 43.064) -- 7.12 Frequency hopping -- 7.12.1 Rayleigh fading -- 7.12.2 Rician fading -- 7.12.3 Interference spreading -- 7.12.4 Frequency hopping -- 7.13 Abbreviations used in this chapter -- 8 RLC/MAC Layer Procedures (GSM 44.060) -- 8.1 Introduction -- 8.2 RLC procedures -- 8.2.1 Segmenting LLC PDUs into RLC data blocks (GSM 44.060 section 9) -- 8.3 RLC/MAC block headers and parameters (GSM 44.060 section 10) -- 8.3.1 RLC data block (uplink) parameters -- 8.3.2 RLC/MAC parameters in action -- 8.3.3 RLC control block (downlink) parameters -- 8.4 RLC unacknowledged mode -- 8.5 RLC/MAC timers and counters (GSM 44.060 section 13) -- 8.5.1 Mobile station side RLC/MAC counters and timers -- 8.5.2 Network side RLC/MAC counters and timers.

8.6 Abbreviations used in this chapter -- 9 LLC Layer Procedures (GSM 44.064) -- 9.1 Function of the LLC layer -- 9.2 LLC frames -- 9.2.1 Types of information/supervisory frame -- 9.2.2 The unacknowledged information frame -- 9.2.3 Types of unnumbered frame -- 9.2.4 Flags and registers used for frame address fields -- 9.2.5 Flags and registers used for control fields -- 9.2.6 Registers used for variable arrays in the LLC -- 9.3 LLC operational parameters -- 9.4 LLC data link flow - ABM establishment -- 9.4.1 Normal (successful) ABM establishment -- 9.4.2 ABM establishment rejection (SAPI=1) -- 9.4.3 ABM establishment rejection, poor radio reception -- 9.5 Information/supervisory (IS) frame transfer -- 9.5.1 IS frame transfer -- 9.6 Abbreviations used in this chapter -- 10 GMM Layer Procedures (GSM 23.060 section 6 and 44.008 sections 4 & 9) -- 10.1 GMM states (GSM 23.060 section 6) -- 10.2 GMM procedure attach (GSM 23.060 section 6) -- 10.2.1 Attach request primitives -- 10.2.2 Attach accept primitives -- 10.2.3 Attach complete -- 10.3 TLLI construction (GSM 23.060) -- 10.4 Routing area update -- 10.4.1 Normal routing area update -- 10.4.2 Periodic routing area update -- 10.5 Cell update -- 10.6 Paging procedures -- 10.7 Authentication and encryption procedures -- 10.8 Identification -- 10.9 Detach -- 10.9.1 Mobile originated detach -- 10.9.2 GPRS sub-network originated detach -- 10.10 GPRS roaming -- 10.11 Abbreviations used in this chapter -- 11 SM Layer Procedures (24.008 section 6) -- 11.1 PDP context activation by the mobile station -- 11.2 PDP context activation by the GPRS sub-network -- 11.3 PDP context modification -- 11.4 PDP context deactivation by the mobile station -- 11.5 PDP context deactivation by the GPRS sub-network -- 11.6 Negotiated QoS profiles and radio priority -- 11.6.1 QoS -- 11.6.2 Radio priority.

11.7 Abbreviations used in this chapter -- 12 SNDCP Procedures (GSM 44.065) -- 12.1 SNDCP operation overview -- 12.2 Buffering, segmentation and acknowledged mode transmission of network PDUs -- 12.2.1 SN PDU headers -- 12.3 Acknowledged mode description of operation -- 12.4 Buffering, segmentation and unacknowledged mode transmission of network PDUs -- 12.4.1 The unacknowledged SN-DATA PDU -- 12.5 Unacknowledged mode description of operation -- 12.6 Management of multiple PDP contexts -- 12.7 Abbreviations used in this chapter -- Appendix 1: GMSK and EDGE -- A1.1 MSK -- A1.2 GMSK -- A1.3 EDGE - EGPRS -- A1.4 Abbreviations used in this appendix -- Appendix 2: System Information and Packet System Information -- A2.1 Key -- AS.3 SI3 and SI4 messages on BCCH -- AS.13 SI13 messages on BCCH or extended BCCH -- AP.1 PSI1 messages on the PBCCH -- AP.2 PSI2 messages on the PBCCH -- AP.3 PSI3 messages on the PBCCH -- AP.3 bis PSI3-bis messages on the PBCCH -- AP.4 PSI4 messages on the PBCCH and PACCH -- AP.5 PSI5 messages on the PBCCH -- AP.13 PSI13 messages on the PACCH -- A2.2 Abbreviations used in this appendix -- Appendix 3: Inter-Layer Primitives -- A3.1 The interface user to mobility management - the GMMREG-SAP and primitives -- A3.2 The interface user to SM - SMREG-SAP and primitives -- A3.3 The interface user to SNDCP - the SN-SAP and primitives -- A3.4 The interface SNDCP to SM - the SNSM-SAP and primitives -- A3.5 The interface SNDCP to LLC - the QoS-SAP and primitives -- A3.6 The interface SM to GMM - GMMSM-SAP and primitives -- A3.7 The interface GMM to LLC - the LLGMM-SAP and primitives -- A3.8 The interface GMM to RR (RLC/MAC) - the GMMRR-SAP and primitives -- A3.9 The interface LLC to RR (RLC/MAC) - the GRR-SAP and primitives -- A3.10 Abbreviations used in this appendix -- Appendix 4: Mobile Station Uplink Power Control -- A4.1 Packet idle mode.

A4.2 Packet transfer mode.