ETSI TS 101 376-4-8 V2.3.1 (2008-08)

ETSI TS 101 376-4-8 V2.3.1 (2008-08)
Technical Specification


GEO-Mobile Radio Interface Specifications (Release 2);
General Packet Radio Service;
Part 4: Radio interface protocol specifications;
Sub-part 8: Mobile Radio Interface Layer 3 Specifications;
GMPRS-1 04.008

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GMPRS-1 04.008 2 ETSI TS 101 376-4-8 V2.3.1 (2008-08)




Reference
RTS/SES-00303-4-8
Keywords
GMPRS, GMR, GPRS, GSM, GSO, interface,
layer3, management, MES, mobile, mobility,
MSS, radio, satellite, S-PCN
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GMPRS-1 04.008 3 ETSI TS 101 376-4-8 V2.3.1 (2008-08)

Contents
Intellectual Property Rights.12
Foreword.12
Introduction .13
1 Scope.15
1.1 Scope of the present document.15
1.2 Application to the interface structures.15
1.3 Structure of Layer 3 procedures .15
1.4 Use of logical channels.15
1.5 Overview of control procedures .16
1.5.1 List of procedures .16
1.6 Applicability of implementations .18
1.6.1 Packet services.18
2 References.19
2.1 Normative references.19
2.2 Informative references.21
3 Definitions and abbreviations.21
3.1 Definitions.21
3.2 Abbreviations.21
3.3 Random values.21
4 Radio resource management procedures.22
4.1 Overview/general.22
4.1.1 General.22
4.1.2 Services provided to upper layers .22
4.1.2.1 Idle mode .22
4.1.2.2 Establishment and release of an RR connection.22
4.1.2.3 RR connected mode .22
4.1.2.4 Packet idle mode.22
4.1.2.5 Packet transfer mode.22
4.1.3 Services required from data link and physical layers.22
4.1.4 RR states.22
4.1.5 Change of dedicated channels.23
4.1.6 Procedure for service request and contention resolution .23
4.2 Idle mode procedures .23
4.2.1 Mobile Earth Station (MES) side.23
4.2.2 Network side.23
4.2.2.1 System information broadcasting.23
4.2.2.1.1 Classes and segments .23
4.2.2.1.2 Transmission schedules.23
4.2.2.1.3 Change information.23
4.2.2.1.4 Encoding and decoding rules.24
4.2.2.1.5 Future extensions.24
4.2.2.1.6 Anchored(A) and Temporary(T) BCCH.25
4.2.2.1.7 Multiplexing of CCCH and PCCCH .25
4.2.2.2 GPS satellite ephemeris data broadcasting.25
4.2.2.3 GPS almanac data transmission .25
4.3 RR connection establishment .25
4.3.1 RR connection establishment initiated by the Mobile Earth Station (MES): immediate assignment
procedure .25
4.3.1.1 Spot beam selection to access the network .26
4.3.1.2 Permission to access the network.26
4.3.1.3 Initiation of the immediate assignment procedure .26
4.3.1.4 Answer from the network.27
4.3.1.4.1 On receipt of a CHANNEL REQUEST message.27
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GMPRS-1 04.008 4 ETSI TS 101 376-4-8 V2.3.1 (2008-08)

4.3.1.4.2 IMMEDIATE ASSIGNMENT from network for MES requesting circuit service .27
4.3.1.4.3 Immediate Assignment from network for MES requesting packet service .28
4.3.1.4.4 Assignment rejection (IMMEDIATE ASSIGNMENT REJECT from network) .28
4.3.1.4.5 Extended immediate assignment procedure .31
4.3.1.4.6 Position verification procedure.31
4.3.1.5 Assignment procedure completion.31
4.3.1.6 Abnormal cases.31
4.3.2 RR connection establishment initiation by the network: paging procedure for circuit switched
services .31
4.4 RR connection transfer phase.31
4.5 RR connection release procedure .31
4.6 Receiving an RR STATUS message by an RR entity .32
4.7 RR procedures on CCCH related to temporary block flow establishment .32
4.7.1 Packet paging procedure using CCCH.32
4.7.1.1 Packet paging initiation by the network .32
4.7.1.2 On receipt of a packet paging request .33
4.7.2 Packet access procedure using CCCH .33
4.7.2.1 Entering the packet transfer mode: packet access procedure .33
4.7.2.1.1 Permission to access the network .33
4.7.2.1.2 Initiation of the packet access procedure: channel request.33
4.7.2.1.3 Packet immediate assignment.34
4.7.2.1.4 Packet access completion .35
4.7.2.1.5 Abnormal cases.35
4.7.2.2 Sending an RLC/MAC control message: single block packet access procedure .35
4.7.3 Packet downlink assignment procedure using CCCH .35
4.7.3.1 Entering the packet transfer mode: packet downlink assignment procedure.35
4.7.3.1.1 General.35
4.7.3.1.2 Initiation of the packet downlink assignment procedure .35
4.7.3.1.3 Packet downlink assignment completion.36
4.7.3.1.4 Abnormal cases.37
4.7.3.2 Sending an RLC/MAC control message: single block packet downlink assignment procedure.37
4.8 GMPRS suspend procedure on CCCH.37
4.8.1 Initiation of GMPRS suspend procedure .37
4.8.2 Completion of GMPRS suspend procedure.37
4.8.3 Abnormal cases.38
4.9 GMPRS resume procedure on CCCH .38
4.9.1 Initiation of GMPRS resume procedure.38
4.9.2 Completion of GMPRS resume procedure .38
4.9.3 Abnormal cases.39
5 Elementary procedures for mobility management .39
5.1 General.39
5.1.1 MM and GMM procedures .39
5.1.1.1 Types of MM and GMM procedures .39
5.1.1.2 MM-GMM co-ordination for GMPRS MESs .39
5.1.2 MM sublayer states.39
5.1.3 GPRS mobility management (GMM) sublayer states.39
5.1.3.1 GMM states in the MES.39
5.1.3.1.1 Main states.39
5.1.3.1.2 Substates of state GMM-DEREGISTERED.40
5.1.3.1.3 Substates of state GMM-REGISTERED.41
5.1.3.2 GPRS update status.43
5.1.3.3 GMM mobility management states on the network side.44
5.1.3.3.1 Main States.45
5.1.3.3.2 Substates of state GMM-REGISTERED.45
5.2 Behaviour of the MES in MM idle state, GMM-DEREGISTERED state and GMM-REGISTERED state .46
5.2.1 Primary service state selection.46
5.2.1.1 Selection of the service state after power-on.46
5.2.1.2 Other cases.46
5.2.2 Detailed description of MES behaviour in MM idle state .46
5.2.3 Service state when back to state MM idle from another state.47
5.2.4 Service state after position verification.47
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GMPRS-1 04.008 5 ETSI TS 101 376-4-8 V2.3.1 (2008-08)

5.2.5 Behaviour in state GMM-DEREGISTERED.47
5.2.5.1 Primary substate selection.47
5.2.5.1.1 Selection of the substate after power on or enabling the MESs GMPRS capability .47
5.2.5.1.2 Other cases.48
5.2.5.2 Detailed description of the MES behaviour in state GMM-DEREGISTERED .48
5.2.5.2.1 Substate, NORMAL-SERVICE.48
5.2.5.2.2 Substate, ATTEMPTING-TO-ATTACH.48
5.2.5.2.3 Substate, LIMITED-SERVICE.48
5.2.5.2.4 Substate, NO-IMSI.48
5.2.5.2.5 Substate, NO-CELL.48
5.2.5.2.6 Substate, PLMN-SEARCH.49
5.2.5.2.7 Substate, ATTACH-NEEDED.49
5.2.5.2.8 Substate, SUSPENDED.49
5.2.5.2.9 Substate, INVALID-POSITION.49
5.2.5.2.10 Substate, NORMAL-SERVICE-DARK-BEAM.49
5.2.5.3 Substate when back to state GMM-DEREGISTERED from another GMM state .49
5.2.6 Behaviour in state GMM-REGISTERED.50
5.2.6.1 Detailed description of the MES behaviour in state GMM-REGISTERED .50
5.2.6.1.1 Substate, NORMAL-SERVICE.50
5.2.6.1.2 Substate, SUSPENDED.50
5.2.6.1.3 Substate, UPDATE-NEEDED.51
5.2.6.1.4 Substate, ATTEMPTING-TO-UPDATE.51
5.2.6.1.5 Substate, NO-CELL-AVAILABLE.51
5.2.6.1.6 Substate, LIMITED-SERVICE.51
5.2.6.1.7 Substate, ATTEMPTING-TO-UPDATE-MM.51
5.2.6.1.8 Substate, NORMAL-SERVICE-DARK-BEAM.51
5.2.6.1.9 Substate, NORMAL-SERVICE-ILLUMINATION-INITIATED.51
5.2.6.1.10 Substate, ROUTING-AREA-UPDATE-DARK-BEAM.51
5.2.6.1.11 Substate, ROUTING-AREA-UPDATE-ILLUMINATION-INITIATED.52
5.3 MM common procedures .52
5.3.1 TMSI reallocation procedure .52
5.3.2 Authentication procedure.52
5.3.3 Identification procedure.52
5.3.4 IMSI detach procedure.52
5.3.5 Abort procedure.52
5.4 MM specific procedures.52
5.5 Connection management sublayer service provision .52
5.5.1 MM connection establishment.52
5.5.1.1 MM connection establishment initiated by the MES .52
5.5.1.2 Abnormal cases.52
5.5.1.3 MM connection establishment initiated by the network .52
5.5.1.4 Abnormal cases.52
5.5.1.5 MM connection establishment for emergency calls.53
5.5.1.6 Call reestablishment.53
5.5.1.7 Forced release during MO MM connection establishment .53
5.5.1.8 Optimal routing.53
5.5.2 MM connection information transfer phase.54
5.5.3 MM connection release.54
5.6 Receiving an MM STATUS message by an MM entity.54
5.7 Elementary mobility management procedures for GMPRS services.54
5.7.1 General.54
5.7.1.1 Lower layer failure.54
5.7.1.2 Ciphering of messages.54
5.7.1.3 P-TMSI signature.54
5.7.1.4 Radio resource sublayer address handling .54
5.7.1.5 P-TMSI handling.54
5.7.1.6 Change of network mode of operation.54
5.7.2 GPRS Mobility management timers .54
5.7.2.1 READY timer behaviour.54
5.7.2.2 Periodic routing area updating .55
5.7.3 GPRS attach procedure.56
5.7.3.1 GPRS attach procedure for GMPRS services .56
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GMPRS-1 04.008 6 ETSI TS 101 376-4-8 V2.3.1 (2008-08)

5.7.3.1.1 GPRS attach procedure initiation .56
5.7.3.1.2 GMM common procedure initiation.56
5.7.3.1.3 GPRS attach accepted by the network.56
5.7.3.1.4 GPRS attach not accepted by the network.57
5.7.3.1.5 Abnormal cases in the MES .57
5.7.3.1.6 Abnormal cases on the network side .58
5.7.3.2 Combined GPRS attach procedure for GMPRS and non-GMPRS services .58
5.7.4 GPRS detach procedure.58
5.7.4.1 MES initiated GPRS detach procedure .58
5.7.4.1.1 MES initiated GPRS detach procedure initiation .58
5.7.4.1.2 MES initiated GPRS detach proce
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