SIST TS 101 376-4-12 V3.4.1 :2016

TECHNICAL SPECIFICATION
GEO-Mobile Radio Interface Specifications (Release 3);
Third Generation Satellite 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;
GMR-1 3G 44.060
GMR-1 3G 44.060 2 ETSI TS 101 376-4-12 V3.4.1 (2015-10)

Reference
RTS/SES-00374-4-12
Keywords
3G, GMPRS, GMR, GPRS, GSM, GSO, MES,
mobile, MSS, radio, satellite, S-PCN
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ETSI
GMR-1 3G 44.060 3 ETSI TS 101 376-4-12 V3.4.1 (2015-10)
Contents
Intellectual Property Rights . 12
Foreword . 12
Modal verbs terminology . 13
Introduction . 13
1 Scope . 15
2 References . 16
2.1 Normative references . 16
2.2 Informative references . 18
3 Definitions and abbreviations . 18
3.1 Definitions . 18
3.2 Abbreviations . 20
4 Layered overview of radio interface. 20
4.0 General . 20
4.1 Layer services . 21
4.2 Layer functions . 21
4.3 Service primitives . 22
4.4 Services required from lower layers . 22
5 Introduction to the Medium Access Control (MAC) procedures . 22
5.1 General . 22
5.2 Multiplexing principles . 22
5.2.1 Temporary Block Flow (TBF) . 22
5.2.2 Temporary Flow Identity (TFI) . 23
5.2.3 Uplink state flag . 23
5.2.4 Medium access modes . 23
5.2.4a Multiplexing of GMPRS and future MESs . 24
5.3 Packet idle mode . 24
5.4 Packet transfer mode . 24
5.5 General procedures in packet idle and packet transfer modes . 24
5.5.1 Mobile earth station side . 24
5.5.1.0 General . 24
5.5.1.1 Cell reselection . 24
5.5.1.1a Network Assisted Cell Change . 24
5.5.1.1a.1 Neighbour Cell System Information Distribution . 25
5.5.1.1a.2 CCN Mode . 25
5.5.1.2 System Information (SI) on PBCCH . 25
5.5.1.3 System Information (SI) on BCCH . 25
5.5.1.3.0 General . 25
5.5.1.3.1 Supervision of BCCH_CHANGE_MARK and update of BCCH information . 25
5.5.1.3.2 GPRS SI reception failure . 25
5.5.1.4 Acquisition of system information on the broadcast channel . 25
5.5.1.4.0 General . 25
5.5.1.4.1 Suspension of operation to receive system information . 25
5.5.1.4.2 Request for acquisition of system information . 25
5.5.1.5 Discontinuous reception (DRX) . 25
5.5.1.6 Page mode procedures on PCCCH . 26
5.5.1.7 Frequency parameters . 26
5.5.2 Network side . 26
5.5.2.1 System Information broadcasting . 26
5.5.2.1.1 System information on PBCCH . 26
5.5.2.1.2 System information on BCCH . 26
5.5.2.1.3 System information on PACCH (and other logical channels) . 26
5.5.2.1.4 Consistent sets of system information messages . 26
5.5.2.2 Paging . 26
5.6 Measurement reports . 26
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GMR-1 3G 44.060 4 ETSI TS 101 376-4-12 V3.4.1 (2015-10)
5.6.0 General . 26
5.6.1 Network Control (NC) measurement reporting . 26
5.6.2 Void . 27
5.6.3 Additional measurement and reporting parameters . 27
5.6.3.0 General . 27
5.6.3.1 Deriving the 3G Neighbour Cell list from the 3G Neighbour Cell description . 27
5.6.3.2 Deriving BA(GPRS) and the GSM Neighbour Cell list . 28
5.6.3.3 Deriving the Neighbour Cell list from the GSM Neighbour Cell list and the 3G Neighbour Cell
list . 28
5.6.3.4 GPRS Real Time Differences . 28
5.6.3.5 GPRS Report Priority Descriptions . 28
5.6.3.6 GPRS Measurement Parameters and GPRS 3G Measurement Parameters . 28
5.6.3.7 The GPRS 3G Cell Reselection list . 28
6 Paging procedures (A/Gb mode only) . 28
6.0 General . 28
6.1 Paging procedure for RR connection establishment . 29
6.1.0 General . 29
6.1.1 Paging initiation using paging subchannel on CCCH . 29
6.1.2 Paging initiation using paging subchannel on PCCCH . 29
6.1.3 Paging initiation using PACCH . 29
6.1.4 Paging response . 29
6.2 Paging procedure for downlink packet transfer . 29
6.2.0 General . 29
6.2.1 Paging procedure using paging subchannel on CCCH . 30
6.2.2 Paging using paging subchannel on PCCCH . 30
6.2.3 Paging response to a page on CCCH . 30
7 Medium Access Control (MAC) procedures on PCCCH . 30
7.0 General . 30
7.0a Support of multiple TBF procedures . 30
7.1 TBF establishment initiated by the mobile earth station on PCCCH . 31
7.1.0 General . 31
7.1.1 Permission to access the network . 31
7.1.2 Initiation of a TBF establishment . 32
7.1.2.1 Initiation of the packet access procedure . 32
7.1.2.1.0 General . 32
7.1.2.1.1 Access persistence control on PRACH . 33
7.1.2.1.2 Handling of T3202 expiry . 34
7.1.2.2 Packet assignment procedure . 34
7.1.2.2.1 On receipt of a PACKET CHANNEL REQUEST or PACKET CHANNEL REQ TYPE 2
message . 34
7.1.2.2.2 Void . 35
7.1.2.2.3 Void . 35
7.1.2.2.4 Packet access reject procedure . 35
7.1.2.3 One phase packet access completion. 35
7.1.2.4 Timing and frequency correction . 36
7.1.3 Packet Resource Request Procedure (Iu mode only) . 36
7.1.3.0 General . 36
7.1.3.1 Initiation of the Packet resource request procedure . 36
7.1.3.2 On receipt of a PACKET RESOURCE REQUEST message . 36
7.1.3.3 Completion of Packet resource request procedure . 37
7.1.4 Initiation of TBF Establishment on CCCH . 37
7.1.5 Abnormal cases . 38
7.2 TBF establishment initiated by the network on CCCH (A/Gb mode only) . 38
7.2.1 Entering the packet transfer mode . 38
7.2.1.0 General . 38
7.2.1.1 Packet downlink assignment procedure . 38
7.2.1.2 Packet downlink assignment procedure completion . 39
7.2.1.3 Void. 39
7.2.2 Abnormal cases . 39
7.3 Procedure for measurement report sending in packet idle mode . 40
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GMR-1 3G 44.060 5 ETSI TS 101 376-4-12 V3.4.1 (2015-10)
7.4 Cell change order procedures in packet idle mode . 40
7.4.0 General . 40
7.4.1 Cell change order procedure initiated on PCCCH . 40
7.4.2 Cell change order procedure initiated on CCCH . 40
7.5 Measurement order procedures in packet idle mode . 40
7.6 Void . 40
7.7 Void . 40
7.8 TBF establishment on PACCH by network . 40
7.9 GMPRS Resume procedure on PCCCH (A/Gb mode only) . 40
7.9.0 General . 40
7.9.1 Initiation of GMPRS resume procedure . 40
7.9.2 Completion of GMPRS resume procedure . 41
7.9.3 Abnormal cases . 41
7.10 Talk Burst Request Transmission on PCCCH . 41
7.10.0 General . 41
7.10.1 Access persistence control on PRACH . 41
7.10.2 On receipt of a PACKET CHANNEL REQ TYPE 2 message with Talk Burst Request Indication . 42
7.10.3 Absence of PACKET UPLINK TALK BURST CONTROL RESPONSE . 42
7.11 Uplink Talk Burst ControlTransmission on Established TBF . 42
7.11.0 General . 42
7.11.1 On receipt of a PACKET UPLINK TALK BURST CONTROL message . 42
8 Medium access control (MAC) procedures in packet transfer mode . 43
8.1 Transfer of RLC data blocks . 43
8.1.0 General . 43
8.1.1 Uplink RLC data block transfer . 43
8.1.1.0 General . 43
8.1.1.1 Dynamic allocation uplink RLC data block transfer . 44
8.1.1.1.0 General . 44
8.1.1.1.1 PACCH operation (A/Gb mode only) . 45
8.1.1.1.1a PDCH3 PACCH operation (Iu mode only) . 45
8.1.1.1.2 Resource reallocation for uplink TBF . 45
8.1.1.1.3 Establishment of downlink TBF . 48
8.1.1.2 Uplink PDCH(5,3) and PDCH(5,12) multiplexing . 49
8.1.1.3 Void. 49
8.1.1.4 Network initiated release of uplink TBF . 49
8.1.1.5 Abnormal cases . 50
8.1.1.6 Network initiated establishment of uplink TBF . 50
8.1.1.7 Fixed allocation uplink RLC data block transfer . 50
8.1.2 Downlink RLC data block transfer . 51
8.1.2.0 General . 51
8.1.2.1 Downlink RLC data block transfer . 51
8.1.2.1.0 General . 51
8.1.2.1.1 Abnormal cases . 51
8.1.2.2 Polling for packet downlink ACK/NACK . 52
8.1.2.3 Downlink PDCH(5,3) and PDCH(5,12) multiplexing . 52
8.1.2.4 Resource reassignment for downlink . 53
8.1.2.4a Establishment of downlink TBF after downlink TBF release . 53
8.1.2.4a.0 General . 53
8.1.2.4a.1 Abnormal cases . 54
8.1.2.5 Establishment of uplink TBF . 55
8.1.2.5.0 General . 55
8.1.2.5.1 Abnormal cases (A/Gb mode) . 57
8.1.2.5.1a Abnormal cases (Iu mode) . 57
8.1.2.6 Void. 58
8.1.2.7 Void. 58
8.1.2.8 Network initiated abnormal release of downlink TBF . 58
8.1.2.9 Network initiated release of downlink TBF . 58
8.1.2.10 Network initiated Establishment of Uplink TBF. 58
8.1.3 Void . 59
8.1.4 Multiplexing of control and data messages (A/Gb mode only) . 59
8.1.5 Multiplexing multiple TBFs on the same burst (Iu mode only) . 59
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GMR-1 3G 44.060 6 ETSI TS 101 376-4-12 V3.4.1 (2015-10)
8.2 Packet PDCH release (Iu mode only) . 60
8.3 Procedure for measurement report sending in Packet Transfer mode (Iu mode only) . 60
8.4 Network controlled cell reselection procedure (Iu mode only) . 60
8.4.0 General . 60
8.4.1 Network controlled cell reselection completion . 61
8.4.2 Abnormal cases . 61
8.5 Measurement order procedures in packet transfer mode (Iu mode only) . 62
8.6 Packet control acknowledgement . 62
8.7 Abnormal cases . 62
8.7.1 Abnormal release with return to CCCH or PCCCH . 62
8.7.2 Abnormal release with random access . 62
8.7.3 Abnormal release with system information . 63
8.8 Packet link quality reporting in packet transfer mode (A/Gb mode only) . 63
8.8a Packet link quality reporting in packet transfer mode (Iu mode only) . 63
8.9 Coding rate change procedure in packet transfer mode . 63
8.9.0 General . 63
8.9.1 Downlink TBF coding rate change procedure . 63
8.9.2 Uplink TBF coding rate change procedure . 63
9 Radio Link Control (RLC) procedures in packet transfer mode . 63
9.0 General . 63
9.1 Procedures and parameters for peer-to-peer operation . 64
9.1.0 General . 64
9.1.1 Send state variable V(S) . 64
9.1.1a Control send state variable V(CS) . 64
9.1.2 Acknowledge state variable V(A) . 64
9.1.3 Acknowledge state array V(B). 65
9.1.3.1 Acknowledge state array V(B) for GMPRS . 65
9.1.3.2 Void. 65
9.1.4 Block Sequence Number BSN . 65
9.1.4.1 Block Sequence Number BSN for GPRS TBF . 65
9.1.4.2 Void. 65
9.1.4a Void . 65
9.1.5 Receive state variable V(R) . 65
9.1.6 Receive window state variable V(Q) . 66
9.1.7 Receive state array V(N) . 66
9.1.7.1 Receive state array V(N) in GMPRS TBF . 66
9.1.7.2 Void. 66
9.1.8 Starting Sequence Number (SSN) and Received Block Bitmap (RBB) . 66
9.1.8.1 Starting Sequence Number (SSN) and Received Block Bitmap (RBB) in GMPRS TBF . 66
9.1.8.1.0 General . 66
9.1.8.1.1 Generation of the bitmap . 66
9.1.8.1.2 Interpretation of the bitmap . 67
9.1.8.2 Void. 67
9.1.9 Window size . 67
9.1.9a Filler octets . 67
9.1.10 Compression . 67
9.1.11 Segmentation of upper layer PDUs into RLC data units . 69
9.1.12 Re-assembly of upper layer PDUs from RLC data units . 70
9.1.12a Void . 70
9.1.12b Void . 70
9.1.12c Dummy Data Block (Iu mode only) . 70
9.1.13 Void . 70
9.2 Operation during RLC/MAC control message transfer . 70
9.3 Operation during RLC data block transfer . 71
9.3.0 General . 71
9.3.1 Void . 71
9.3.2 Acknowledged mode operation . 71
9.3.2.0 General . 71
9.3.2.1 Additional functionality in acknowledged mode on PDCH3 (Iu mode only) . 71
9.3.2.2 Establishment of temporary block flow . 71
9.3.2.3 Operation of uplink temporary block flow . 71
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9.3.2.4 Release of uplink temporary block flow . 72
9.3.2.5 Operation of downlink temporary block flow . 73
9.3.2.6 Release of downlink temporary block flow . 73
9.3.3 Unacknowledged mode operation . 74
9.3.3.0 General . 74
9.3.3.1 Establishment of temporary block flow . 74
9.3.3.2 Operation of uplink temporary block flow . 74
9.3.3.3 Release of uplink temporary block flow . 75
9.3.3.4 Operation of downlink temporary block flow . 76
9.3.3.5 Release of downlink temporary block flow . 76
9.4 Abnormal release cases . 76
9.4.1 Abnormal release with random access . 76
9.4.2 Abnormal release with spotbeam reselection . 76
9.5 Radio Link Control (RLC) procedures in packet transfer mode when using PNB3(1,6) Data in shared
mode . 77
10 RLC/MAC block structure . 77
10.0a PNB(m,n) bursts - A/Gb mode . 77
10.0b PNB2(m,n) bursts - A/Gb mode . 77
10.0c PDCH - Iu mode . 78
10.1 Radio block structure . 79
10.2 Public information bits . 82
10.2.0 General . 82
10.2.1 Downlink PUI for PDCH (4,n) and PDCH (5,n) and PDCH2(5,3) . 85
10.2.1a Downlink PUI for PDCH3(5,3) . 86
10.2.1b Downlink PUI for PDCH3(5,12) . 86
10.2.1c Downlink PUI for PDCH3(10,3) . 87
10.2.2 Downlink Extended PUI for PDCH2(5,12) . 88
10.2.3 Uplink PUI for PDCH (4,3), PDCH (5,n), PDCH2(5,n) and PDCH3(5,n) . 88
10.2.4 Downlink PUI for PDCH (2,6) . 89
10.2.4a Downlink PUI for PDCH3(2,6) . 89
10.2.5 Uplink PUI for PDCH (1,n), PDCH3(1,n) and PDCH3(2,6) . 90
10.3 RLC/MAC header . 90
10.3.1 Downlink RLC/MAC header for PNB(m,n) and PNB2(m,n) bursts . 90
10.3.1a Downlink RLC/MAC Data header for PNB3(m,n) bursts - Iu mode only . 90
10.3.1b Downlink RLC/MAC Control header for PNB3(m,n) bursts - Iu mode only . 91
10.3.2 Uplink RLC/MAC header for PNB(m,n) and PNB2(m,n) bursts - A/Gb mode only . 91
10.3.2a Uplink RLC/MAC Data header for PNB3(m,n) bursts - Iu mode only . 91
10.3.2b Uplink RLC/MAC Control header for PNB3(m,n) bursts - Iu mode only . 91
10.3.2c Header type 2: Uplink RLC/MAC Data header for PNB3(1,6) Data in dynamic allocation mode - Iu
mode only .
...