ETSI TS 101 376-4-12 V2.3.1 (2008-07)

ETSI TS 101 376-4-12 V2.3.1 (2008-07)
Technical Specification

GEO-Mobile Radio Interface Specifications (Release 2);
General Packet Radio Service;
Part 4: Radio interface protocol specifications;
Sub-part 12: Mobile Earth Station (MES) -
Base Station System (BSS) interface;
Radio Link Control/Medium Access Control (RLC/MAC) protocol;
GMPRS-1 04.060

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GMPRS-1 04.060 2 ETSI TS 101 376-4-12 V2.3.1 (2008-07)




Reference
RTS/SES-00303-4-12
Keywords
GMPRS, GMR, GPRS, GSM, GSO, MES,
mobile, MSS, radio, satellite, S-PCN
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GMPRS-1 04.060 3 ETSI TS 101 376-4-12 V2.3.1 (2008-07)

Contents
Intellectual Property Rights.9
Foreword.9
Introduction .10
1 Scope.12
2 References.13
2.1 Normative references.13
2.2 Informative references.15
3 Definitions and abbreviations.15
3.1 Definitions.15
3.2 Abbreviations.16
4 Layered overview of radio interface.16
4.1 Layer services.17
4.2 Layer functions.17
4.3 Service primitives.18
4.4 Services required from lower layers.18
5 Introduction to the Medium Access Control (MAC) procedures.18
5.1 General.18
5.2 Multiplexing principles.18
5.2.1 Temporary Block Flow (TBF).18
5.2.2 Temporary Flow Identity (TFI) .19
5.2.3 Uplink state flag.19
5.2.4 Medium access modes.19
5.2.4a Multiplexing of GMPRS and future MESs.19
5.3 Packet idle mode.20
5.4 Packet transfer mode.20
5.5 General procedures in packet idle and packet transfer modes.20
5.5.1 Mobile earth station side.20
5.5.1.1 Cell reselection.20
5.5.1.2 System Information (SI) on PBCCH.20
5.5.1.3 System Information (SI) on BCCH.20
5.5.1.3.1 Supervision of BCCH_CHANGE_MARK and update of BCCH information .20
5.5.1.3.2 GPRS SI reception failure .21
5.5.1.4 Acquisition of system information on the broadcast channel.21
5.5.1.4.1 Suspension of operation to receive system information .21
5.5.1.4.2 Request for acquisition of system information .21
5.5.1.5 Discontinuous reception (DRX).21
5.5.1.6 Page mode procedures on PCCCH.21
5.5.1.7 Frequency parameters.21
5.5.2 Network side.21
5.5.2.1 System Information broadcasting.21
5.5.2.1.1 System information on PBCCH .21
5.5.2.1.2 System information on BCCH.21
5.5.2.1.3 System information on PACCH (and other logical channels) .22
5.5.2.1.4 Consistent sets of system information messages .22
5.5.2.2 Paging.22
5.6 Measurement reports.22
6 Paging procedures.22
6.1 Paging procedure for RR connection establishment.22
6.1.1 Paging initiation using paging subchannel on CCCH.22
6.1.2 Paging initiation using paging subchannel on PCCCH.22
6.1.3 Paging initiation using PACCH.23
6.1.4 Paging response .23
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GMPRS-1 04.060 4 ETSI TS 101 376-4-12 V2.3.1 (2008-07)

6.2 Paging procedure for downlink packet transfer.23
6.2.1 Paging procedure using paging subchannel on CCCH .23
6.2.2 Paging using paging subchannel on PCCCH.23
6.2.3 Paging response to a page on CCCH .23
7 Medium Access Control (MAC) procedures on PCCCH.23
7.1 TBF establishment initiated by the mobile earth station on PCCCH .24
7.1.1 Permission to access the network .24
7.1.2 Initiation of a TBF establishment .25
7.1.2.1 Initiation of the packet access procedure .25
7.1.2.1.1 Access persistence control on PRACH.26
7.1.2.1.2 Handling of T3202 expiry .26
7.1.2.2 Packet assignment procedure .27
7.1.2.2.1 On receipt of a PACKET CHANNEL REQUEST message.27
7.1.2.2.2 Void.27
7.1.2.2.3 Void.27
7.1.2.2.4 Packet access reject procedure .27
7.1.2.3 One phase packet access completion.28
7.1.2.4 Timing and frequency correction .28
7.1.3 Void.28
7.1.4 Initiation of TBF Establishment on CCCH.28
7.1.5 Abnormal cases.29
7.2 TBF establishment initiated by the network on CCCH .29
7.2.1 Entering the packet transfer mode .29
7.2.1.1 Packet downlink assignment procedure .29
7.2.1.2 Packet downlink assignment procedure completion .30
7.2.1.3 Void.30
7.2.2 Abnormal cases.30
7.3 Procedure for measurement report sending in packet idle mode.31
7.4 Cell change order procedures in packet idle mode.31
7.4.1 Cell change order procedure initiated on PCCCH .31
7.4.2 Cell change order procedure initiated on CCCH .31
7.5 Measurement order procedures in packet idle mode .31
7.6 Void.31
7.7 Void.31
7.8 TBF establishment on PACCH by network .31
7.9 GMPRS Resume procedure on PCCCH.31
7.9.1 Initiation of GMPRS resume procedure.31
7.9.2 Completion of GMPRS resume procedure .32
7.9.3 Abnormal cases.32
8 Medium access control (MAC) procedures in packet transfer mode .32
8.1 Transfer of RLC data blocks .32
8.1.1 Uplink RLC data block transfer.32
8.1.1.1 Dynamic allocation uplink RLC data block transfer.33
8.1.1.1.1 PACCH operation.33
8.1.1.1.2 Resource reallocation for uplink TBF .33
8.1.1.1.3 Establishment of downlink TBF.33
8.1.1.2 Uplink PDCH(5,3) and PDCH(5,12) multiplexing .34
8.1.1.3 Void.34
8.1.1.4 Network initiated release of uplink TBF.34
8.1.1.5 Abnormal cases.35
8.1.2 Downlink RLC data block transfer .35
8.1.2.1 Downlink RLC data block transfer .35
8.1.2.2 Polling for packet downlink ACK/NACK .35
8.1.2.3 Downlink PDCH(5,3) and PDCH(5,12) mutiplexing .36
8.1.2.4 Resource reassignment for downlink .36
8.1.2.4a Establishment of downlink TBF after downlink TBF release.36
8.1.2.4a.1 Abnormal cases.36
8.1.2.5 Establishment of uplink TBF .37
8.1.2.5.1 Abnormal cases.37
8.1.2.6 Void.38
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GMPRS-1 04.060 5 ETSI TS 101 376-4-12 V2.3.1 (2008-07)

8.1.2.7 Void.38
8.1.2.8 Network initiated abnormal release of downlink TBF .38
8.1.2.9 Network initiated release of downlink TBF .38
8.1.3 Void.38
8.1.4 Multiplexing of control and data messages.38
8.2 Packet PDCH release.39
8.3 Procedure for measurement report sending in Packet Transfer mode .39
8.4 Cell change procedures in packet transfer mode .39
8.5 Measurement order procedures in packet transfer mode .39
8.6 Packet control acknowledgement .39
8.7 Abnormal cases.39
8.7.1 Abnormal release with return to CCCH or PCCCH .39
8.7.2 Abnormal release with random access.40
8.7.3 Abnormal release with system information .40
8.8 Packet link quality reporting in packet transfer mode .40
8.9 Coding rate change procedure in packet transfer mode.40
8.9.1 Downlink TBF coding rate change procedure .40
8.9.2 Uplink TBF coding rate change procedure.40
9 Radio Link Control (RLC) procedures in packet transfer mode .40
9.1 Procedures and parameters for peer-to-peer operation.41
9.1.1 Send state variable V(S) .41
9.1.1a Control send state variable V(CS) .41
9.1.2 Acknowledge state variable V(A).41
9.1.3 Acknowledge state array V(B).41
9.1.3.1 Acknowledge state array V(B) for GMPRS.41
9.1.3.2 Void.42
9.1.4 Block Sequence Number BSN.42
9.1.4.1 Block Sequence Number BSN for GPRS TBF .42
9.1.4.2 Void.42
9.1.4a Void.42
9.1.5 Receive state variable(R).42
9.1.6 Receive window state variable V(Q) .42
9.1.7 Receive state array V(N).43
9.1.7.1 Receive state array V(N) in GMPRS TBF .43
9.1.7.2 Void.43
9.1.8 Starting Sequence Number (SSN) and Received Block Bitmap (RBB) .43
9.1.8.1 Starting Sequence Number (SSN) and Received Block Bitmap (RBB) in GMPRS TBF.43
9.1.8.1.1 Generation of the bitmap .43
9.1.8.1.2 Interpretation of the bitmap .44
9.1.8.2 Void.44
9.1.9 Window size.44
9.1.9a Filler octets.44
9.1.10 Void.44
9.1.11 Segmentation of LLC PDUs into RLC data units.44
9.1.12 Re-assembly of LLC PDUs from RLC data units.45
9.1.12a Void.45
9.1.12b Void.45
9.1.13 Void.45
9.2 Operation during RLC/MAC control message transfer.45
9.3 Operation during RLC data block transfer .45
9.3.1 Void.46
9.3.2 Acknowledged mode operation.46
9.3.2.1 Void.46
9.3.2.2 Establishment of temporary block flow .46
9.3.2.3 Operation of uplink temporary block flow.46
9.3.2.4 Release of uplink temporary block flow .46
9.3.2.5 Operation of downlink temporary block flow.48
9.3.2.6 Release of downlink temporary block flow .48
9.3.3 Unacknowledged mode operation.48
9.3.3.1 Establishment of temporary block flow .49
9.3.3.2 Operation of uplink temporary block flow.49
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GMPRS-1 04.060 6 ETSI TS 101 376-4-12 V2.3.1 (2008-07)

9.3.3.3 Release of uplink temporary block flow .49
9.3.3.4 Operation of downlink temporary block flow.50
9.3.3.5 Release of downlink temporary block flow .50
9.4 Abnormal release cases .51
9.4.1 Abnormal release with random access.51
9.4.2 Abnormal release with spotbeam reselection.51
10 RLC/MAC block structure .51
10.1 Radio block structure.
...