ETSI TS 101 376-4-8 V3.1.1 (2009-07)

ETSI TS 101 376-4-8 V3.1.1 (2009-07)
Technical Specification


GEO-Mobile Radio Interface Specifications (Release 3);
Third Generation Satellite Packet Radio Service;
Part 4: Radio interface protocol specifications;
Sub-part 8: Mobile Radio Interface Layer 3 Specifications;
GMR-1 3G 44.008

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GMR-1 3G 44.008 2 ETSI TS 101 376-4-8 V3.1.1 (2009-07)




Reference
RTS/SES-00309-4-8
Keywords
GMPRS, GMR, GPRS, GSM, GSO, interface,
layer 3, management, MES, mobile, mobility,
MSS, radio, satellite, S-PCN
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GMR-1 3G 44.008 3 ETSI TS 101 376-4-8 V3.1.1 (2009-07)

Contents
Intellectual Property Rights . 13
Foreword . 13
Introduction . 14
1 Scope . 16
1.1 Scope of the present document . 16
1.2 Application to the interface structures . 16
1.3 Structure of Layer 3 procedures . 16
1.4 Use of logical channels . 16
1.5 Overview of control procedures . 17
1.5.1 List of procedures . 17
1.6 Applicability of implementations . 19
1.6.1 Packet services . 19
2 References . 20
2.1 Normative references . 20
2.2 Informative references . 22
3 Definitions and abbreviations . 23
3.1 Definitions . 23
3.2 Abbreviations . 24
3.3 Random values . 24
4 Radio resource management procedures . 24
4.1 Overview/general . 24
4.1.1 General (A/Gb mode only) . 24
4.1.2 Services provided to upper layers . 25
4.1.2.1 Idle mode . 25
4.1.2.2 Establishment and release of an RR connection. 25
4.1.2.3 RR connected mode . 25
4.1.2.4 Packet idle mode (A/Gb mode only) . 25
4.1.2.5 Packet transfer mode (A/Gb mode only) . 25
4.1.3 Services required from data link and physical layers . 25
4.1.4 RR states . 25
4.1.5 Change of dedicated channels . 25
4.1.6 Procedure for service request and contention resolution . 25
4.2 Idle mode procedures . 26
4.2.1 Mobile Earth Station (MES) side . 26
4.2.2 Network side . 26
4.2.2.1 System information broadcasting . 26
4.2.2.1.1 Classes and segments . 26
4.2.2.1.2 Transmission schedules . 26
4.2.2.1.3 Change information . 27
4.2.2.1.4 Encoding and decoding rules . 27
4.2.2.1.5 Future extensions . 29
4.2.2.1.6 Anchored(A) and Temporary(T) BCCH (A/Gb mode only) . 29
4.2.2.1.7 Multiplexing of CCCH and PCCCH (A/Gb mode only) . 29
4.2.2.1.7a Multiplexing of CCCH and PCCCH (Iu mode only) . 30
4.2.2.2 GPS satellite ephemeris data broadcasting . 30
4.2.2.2a GPS satellite ephemeris data broadcasting on GBCH3 . 31
4.2.2.3 GPS almanac data transmission . 31
4.3 RR connection establishment . 31
4.3.1 RR connection establishment initiated by the Mobile Earth Station (MES): immediate assignment
procedure . 31
4.3.1.1 Spot beam selection to access the network . 32
4.3.1.2 Permission to access the network . 32
4.3.1.3 Initiation of the immediate assignment procedure (A/Gb mode only) . 32
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GMR-1 3G 44.008 4 ETSI TS 101 376-4-8 V3.1.1 (2009-07)

4.3.1.3a Initiation of the immediate assignment procedure (Iu mode only). 33
4.3.1.4 Answer from the network . 34
4.3.1.4.1 On receipt of a CHANNEL REQUEST message (A/Gb mode only) . 34
4.3.1.4.2 IMMEDIATE ASSIGNMENT from network for MES requesting circuit service (A/Gb mode
only) . 34
4.3.1.4.3 Immediate Assignment from network for MES requesting packet service . 35
4.3.1.4.4 Assignment rejection (IMMEDIATE ASSIGNMENT REJECT from network) (A/Gb mode
only) . 35
4.3.1.4.4a Assignment rejection (IMMEDIATE ASSIGNMENT REJECT from network) (Iu mode
only) . 35
4.3.1.4.5 Extended immediate assignment procedure (A/Gb mode) . 38
4.3.1.4.6 Position verification procedure (A/Gb mode only) . 39
4.3.1.4.6a Position verification procedure (Iu mode only) . 39
4.3.1.5 Assignment procedure completion (A/Gb mode only). 40
4.3.1.6 Abnormal cases (A/Gb mode only) . 40
4.3.2 RR connection establishment initiation by the network: paging procedure . 40
4.4 RR connection transfer phase (A/Gb mode only) . 40
4.5 RR connection release procedure (A/Gb mode only) . 40
4.6 Receiving an RR STATUS message by an RR entity . 40
4.7 RR procedures on CCCH related to temporary block flow establishment . 41
4.7.1 Packet paging procedure using CCCH. 41
4.7.1.1 Packet paging initiation by the network . 41
4.7.1.1a Packet paging initiation by the network (Iu Mode only) . 42
4.7.1.2 On receipt of a packet paging request . 42
4.7.2 Packet access procedure using CCCH . 42
4.7.2.1 Entering the packet transfer mode: packet access procedure . 42
4.7.2.1.1 Permission to access the network . 42
4.7.2.1.2 Initiation of the packet access procedure: channel request (A/Gb mode only) . 43
4.7.2.1.2a Initiation of the packet access procedure: channel request (Iu mode only) . 43
4.7.2.1.3 Packet immediate assignment . 43
4.7.2.1.4 Packet access completion . 46
4.7.2.1.5 Abnormal cases . 46
4.7.2.2 Sending an RLC/MAC control message: single block packet access procedure . 46
4.7.3 Packet downlink assignment procedure using CCCH (A/Gb mode only) . 46
4.7.3.1 Entering the packet transfer mode: packet downlink assignment procedure . 46
4.7.3.1.1 General . 46
4.7.3.1.2 Initiation of the packet downlink assignment procedure . 46
4.7.3.1.3 Packet downlink assignment completion . 47
4.7.3.1.4 Abnormal cases . 48
4.7.3.2 Sending an RLC/MAC control message: single block packet downlink assignment procedure . 48
4.8 GMPRS suspend procedure on CCCH (A/Gb mode only) . 48
4.8.1 Initiation of GMPRS suspend procedure . 48
4.8.2 Completion of GMPRS suspend procedure . 48
4.8.3 Abnormal cases . 49
4.9 GMPRS resume procedure on CCCH (A/Gb mode only) . 49
4.9.1 Initiation of GMPRS resume procedure . 49
4.9.2 Completion of GMPRS resume procedure . 49
4.9.3 Abnormal cases . 50
5 Elementary procedures for mobility management . 50
5.1 General . 50
5.1.1 MM and GMM procedures . 50
5.1.1.1 Types of MM and GMM procedures . 50
5.1.1.1.1 Integrity Checking of Signalling Messages in the Mobile Station (Iu mode only) . 50
5.1.1.1.1a Integrity protection for emergency call (Iu mode only) . 50
5.1.1.2 MM-GMM co-ordination for GMPRS MESs (A/Gb mode only) . 50
5.1.1.2.1 GMPRS MS operating in mode A or B in a network that operates in mode I . 50
5.1.1.2.2 GPRS MS operating in mode A or B in a network that operates in mode II or III . 50
5.1.1.3 Core Network System Information for MM (Iu mode only) . 50
5.1.1.4 Core Network System Information for GMM (Iu mode only) . 50
5.1.2 MM sublayer states . 51
5.1.3 GPRS mobility management (GMM) sublayer states . 51
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GMR-1 3G 44.008 5 ETSI TS 101 376-4-8 V3.1.1 (2009-07)

5.1.3.1 GMM states in the MES . 51
5.1.3.1.1 Main states . 51
5.1.3.1.2 Substates of state GMM-DEREGISTERED. 52
5.1.3.1.3 Substates of state GMM-REGISTERED . 53
5.1.3.2 GPRS update status . 54
5.1.3.3 GMM mobility management states on the network side . 56
5.1.3.3.1 Main States . 56
5.1.3.3.2 Substates of state GMM-REGISTERED . 56
5.2 Behaviour of the MES in MM idle state, GMM-DEREGISTERED state and GMM-REGISTERED state . 57
5.2.1 Primary service state selection . 57
5.2.1.1 Selection of the service state after power-on . 57
5.2.1.2 Other cases . 57
5.2.2 Detailed description of MES behaviour in MM idle state (A/Gb mode only) . 58
5.2.3 Service state when back to state MM idle from another state (A/Gb mode only) . 58
5.2.4 Service state after position verification . 58
5.2.5 Behaviour in state GMM-DEREGISTERED. 58
5.2.5.1 Primary substate selection . 58
5.2.5.1.1 Selection of the substate after power on or enabling the MESs GMPRS capability . 58
5.2.5.1.2 Other cases . 59
5.2.5.2 Detailed description of the MES behaviour in state GMM-DEREGISTERED . 59
5.2.5.2.1 Substate, NORMAL-SERVICE . 59
5.2.5.2.2 Substate, ATTEMPTING-TO-ATTACH . 59
5.2.5.2.3 Substate, LIMITED-SERVICE . 59
5.2.5.2.4 Substate, NO-IMSI . 59
5.2.5.2.5 Substate, NO-CELL . 59
5.2.5.2.6 Substate, PLMN-SEARCH . 60
5.2.5.2.7 Substate, ATTACH-NEEDED . 60
5.2.5.2.8 Substate, SUSPENDED (A/Gb mode only) . 60
5.2.5.2.9 Substate, INVALID-POSITION (A/Gb mode only) . 60
5.2.5.2.10 Substate, NORMAL-SERVICE-DARK-BEAM (A/Gb mode only) . 60
5.2.5.3 Substate when back to state GMM-DEREGISTERED from another GMM state . 60
5.2.6 Behaviour in state GMM-REGISTERED . 61
5.2.6.1 Detailed description of the MES behaviour in state GMM-REGISTERED . 61
5.2.6.1.1 Substate, NORMAL-SERVICE . 61
5.2.6.1.2 Substate, SUSPENDED (A/Gb mode only) . 61
5.2.6.1.3 Substate, UPDATE-NEEDED . 62
5.2.6.1.4 Substate, ATTEMPTING-TO-UPDATE . 62
5.2.6.1.5 Substate, NO-CELL-AVAILABLE . 62
5.2.6.1.6 Substate, LIMITED-SERVICE . 62
5.2.6.1.7 Substate, ATTEMPTING-TO-UPDATE-MM . 62
5.2.6.1.8 Substate, NORMAL-SERVICE-DARK-BEAM (A/Gb mode only) . 62
5.2.6.1.9 Substate, NORMAL-SERVICE-ILLUMINATION-INITIATED (A/Gb mode only) . 62
5.2.6.1.10 Substate, ROUTING-AREA-UPDATE-DARK-BEAM (A/Gb mode only) . 62
5.2.6.1.11 Substate, ROUTING-AREA-UPDATE-ILLUMINATION-INITIATED (A/Gb mode only) . 63
5.3 MM common procedures . 63
5.3.1 TMSI reallocation procedure (A/Gb mode only) . 63
5.3.2 Authentication procedure . 63
5.3.3 Identification procedure . 63
5.3.4 IMSI detach procedure (A/Gb mode only) . 63
5.3.5 Abort procedure (A/Gb mode only) . 63
5.3.6 MM information procedure (A/Gb mode only) . 63
5.4 MM specific procedures (A/Gb mode only) . 63
5.5 Connection management sublayer service provision (A/Gb mode only) . 63
5.5.1 MM connection establishment . 63
5.5.1.1 MM connection establishment initiated by the MES . 63
5.5.1.2 Abnormal cases . 63
5.5.1.3 MM connection establishment initiated by the network . 64
5.5.1.4 Abnormal cases . 64
5.5.1.5 MM connection establishment for emergency calls . 64
5.5.1.6 Call reestablishment . 64
5.5.1.7 Forced release during MO MM connection establishment . 64
5.5.1.8 Optimal routing . 64
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GMR-1 3G 44.008 6 ETSI TS 101 376-4-8 V3.1.1 (2009-07)

5.5.2 MM connection information transfer phase . 65
5.5.3 MM connection release . 65
5.6 Receiving an MM STATUS message by an MM entity . 65
5.7 Elementary mobility management procedures for GMPRS services. 65
5.7.1 General . 65
5.7.1.1 Lower layer failure . 65
5.7.1.2 Ciphering of messages (A/Gb mode only) . 65
5.7.1.3 P-TMSI signature . 65
5.7.1.4 Radio resource sublayer address handling . 65
5.7.1.4.1 Radio resource sublayer address handling (A/Gb mode only) . 66
5.7.1.5 P-TMSI handling . 66
5.7.1.6 Change of network mode of operation .
...