ETSI TS 101 376-4-15 V3.4.1 (2017-03)

GEO-Mobile Radio Interface Specifications (Release 3); Third Generation Satellite Packet Radio Service; Part 4: Radio interface protocol specifications; Sub-part 15: Packet Data Convergence Protocol (PDCP) specification; GMR-1 3G 25.323

RTS/SES-00423

General Information

• Status: Published
• Publication Date: 09-Mar-2017
• Technical Committee: SES SCN - Satellite Communications and Navigation
• Current Stage: 12 - Completion
• Due Date: 24-Feb-2017
• Completion Date: 10-Mar-2017

Standards Content (Sample)

ETSI TS 101 376-4-15 V3.4.1 (2017-03)






TECHNICAL SPECIFICATION
GEO-Mobile Radio Interface Specifications (Release 3);
Third Generation Satellite Packet Radio Service;
Part 4: Radio interface protocol specifications;
Sub-part 15: Packet Data Convergence Protocol (PDCP)
specification;
GMR-1 3G 25.323

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GMR-1 3G 25.323 2 ETSI TS 101 376-4-15 V3.4.1 (2017-03)



Reference
RTS/SES-00423
Keywords
3G, earth station, GMPRS, GMR, GPRS, GSM,
GSO, interface, MES, mobile, MSS, MUX, radio,
satellite, S-PCN, TDMA
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GMR-1 3G 25.323 3 ETSI TS 101 376-4-15 V3.4.1 (2017-03)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 8
Introduction . 9
1 Scope . 11
2 References . 11
2.1 Normative references . 11
2.2 Informative references . 12
3 Definitions and abbreviations . 12
3.1 Definitions . 12
3.2 Abbreviations . 13
4 General . 13
4.1 Objective . 13
4.2 Overview on Sublayer Architecture . 13
5 Functions . 14
5.0 General . 14
5.1 Header Compression . 15
5.1.0 General . 15
5.1.1 Mapping of PID Values . 15
5.1.2 IP Header Compression (IETF RFC 2507) . 16
5.1.2.0 General . 16
5.1.2.1 Context Identifiers . 16
5.1.2.2 Mapping of PID Values for IETF RFC 2507 . 16
5.1.2.3 Management of Full Header Transmission . 17
5.1.3 Robust Header Compression (IETF RFC 3095) . 17
5.1.3.0 General . 17
5.1.3.1 Context Identifiers . 17
5.1.3.2 Void. 17
5.1.3.3 Mapping of PID Values for IETF RFC 3095 . 17
5.1.3.4 Void. 17
5.1.3.5 Protocol Parameters . 17
5.1.3.6 Configuration by RRC . 18
5.1.4 GMR-1 3G LLA Header Suppression for Spectrally Efficient VoIP . 18
5.1.5 Data Compression . 18
5.2 PDCP Setup . 19
5.2.1 PDCP Protocol Information from RNC to MES . 19
5.2.2 PDCP Capability Information from MES to RNC . 19
5.2.3 PDCP Entity Creation/Deletion . 20
5.3 Data Transfer . 21
5.3.0 General . 21
5.3.1 Data transfer over Acknowledged Mode RLC . 21
5.3.2 Data transfer over Unacknowledged and Transparent Mode RLC . 22
5.3.3 RoHC Data Flow . 23
5.3.4 Compression/Decompression Flow in GMR-1 3G LLA Profile. 24
5.4 SRNS Relocation . 24
5.4.0 General . 24
5.4.1 Lossless SRNS Relocation . 24
5.4.2 Context Relocation for GMR-1 3G LLA Header Suppressed Session . 24
5.4.3 Context Relocation for All other Session Type . 25
5.5 Lossless DL RLC PDU Size Change . 25
5.6 General Procedures. 25
5.6.1 PDCP Sequence Numbering . 25
5.6.2 PDCP Sequence Number Synchronization . 25
ETSI

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GMR-1 3G 25.323 4 ETSI TS 101 376-4-15 V3.4.1 (2017-03)
5.6.3 Sequence Number and Data Forwarding . 26
5.7 Header Compression and Decompression for MBMS . 26
5.7.0 General . 26
5.7.1 Cell Change Inside the Same Cell Group . 26
5.7.2 Cell change between cell groups . 26
6 Services . 26
6.1 Services Provided to Upper Layers . 26
6.2 Services Expected from RLC Layer . 26
7 Elements for Layer-to-Layer Communication . 26
7.0 General . 26
7.1 Control Plane . 26
7.1.1 Primitives between PDCP and Upper Layers . 26
7.2 User Plane . 28
7.2.1 Primitives Between PDPC and Upper Layer . 28
7.2.2 Primitives Between PDPC and RLC . 28
8 Elements for Peer-to-Peer Communication . 29
8.1 Protocol Data Units . 29
8.2 Formats . 30
8.2.0 General . 30
8.2.1 PDCP-No-Header PDU . 30
8.2.2 PDCP Data PDU . 30
8.2.3 PDCP SeqNum PDU . 30
8.3 Parameters . 31
8.3.0 General . 31
8.3.1 PDU Type . 31
8.3.2 PID . 31
8.3.3 Data . 32
8.3.4 Sequence number . 32
9 Handling of Unknown, Unforeseen, and Erroneous Protocol Data . 32
9.1 Invalid PDU Type . 32
9.2 Invalid PID value. 32
Annex A (normative): GMR-1 3G LLA Header Suppression. 33
A.1 Introduction . 33
A.1.0 General . 33
A.1.1 GMR-1 3G LLA Header SuppressionService Options. 33
A.2 Silence Suppression . 33
A.3 GMR-1 3G LLA Header Suppression Overview . 34
A.3.0 General . 34
A.3.1 Context and Functional Blocks . 34
A.3.2 HCU Application Overview . 35
A.3.3 HCL Application Overview . 36
A.4 GMR-1 3G LLA Header Suppression End-to-End Flow . 36
A.4.1 GMR-1 3G LLA Header Suppression Flow for Downlink . 36
A.4.1.0 General . 36
A.4.1.1 Transmitting Side . 36
A.4.1.2 Receiving Side . 38
A.4.2 GMR-1 3G LLA Header Suppression Flow for Uplink . 39
A.4.2.1 Transmitting Side . 39
A.4.2.2 Receiving Side . 39
A.4.2.3 PDCP Context Creation . 40
Annex B (normative): ROHC Performance Testing . 41
B.1 Introduction . 41
B.1.0 General . 41
B.1.1 Purpose of the Performance Testing . 41
ETSI

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GMR-1 3G 25.323 5 ETSI TS 101 376-4-15 V3.4.1 (2017-03)
B.1.2 Input Sequence for Uncompressed Headers . 42
B.1.3 Feedback Format for the Test Cases. 42
B.1.4 Feedback Generation for Test Cases (R-Mode Only) . 42
B.1.5 Calculation of Compressed Header Size . 43
B.2 Test Outline - RoHC RTP Profile 0x0001 . 43
B.2.1 Test 1a - Base Test of ROHC RTP O-Mode Compressor . 43
B.2.1.1 Test Purpose. 43
B.2.1.2 Sequence Details . 44
B.2.1.3 Test Requirement . 44
B.2.2 Test 1b - Base Test of ROHC RTP R-Mode Compressor . 45
B.2.2.1 Test Purpose. 45
B.2.2.2 Sequence Details . 45
B.2.2.3 Test Requirement . 46
B.2.3 Void . 46
B.2.4 Void . 46
B.2.5 Test 3a - Re-Establishment of TS Function after DTX in O-Mode . 46
B.2.5.1 Test Purpose. 46
B.2.5.2 Sequence Details . 47
B.2.5.3 Test Requirement . 47
B.2.6 Test 3b - Re-Establishment of TS Function after DTX in R-Mode . 47
B.2.6.1 Test Purpose. 47
B.2.6.2 Sequence Details . 48
B.2.6.3 Test Requirement . 48
B.2.7 Test 4a - Compressor Response to Single Lost Packets in O-Mode . 48
B.2.7.1 Test Purpose. 48
B.2.7.2 Sequence Details . 49
B.2.7.3 Test Requirement . 49
B.2.8 Test 4b - Compressor Response to Single Lost Packets in R-Mode . 49
B.2.8.1 Test Purpose. 49
B.2.8.2 Sequence Details . 49
B.2.8.3 Test Requirement . 49
B.2.9 Void . 49
B.2.10 Void . 49
B.2.11 Test 6a - TS Function During DTX with Varying Delta in O-Mode . 49
B.2.11.1 Test Purpose. 49
B.2.11.2 Sequence Details . 49
B.2.11.3 Test Requirement . 50
B.2.12 Test 6b - TS Function During DTX with Varying Delta in R-Mode . 50
B.2.12.1 Test Purpose. 50
B.2.12.2 Sequence Details . 50
B.2.12.3 Test Requirement . 51
B.2.13 Test 7a - SRNS Relocation in O-Mode . 51
B.2.13.0 General . 51
B.2.13.1 Test Purpose. 51
B.2.13.2 Sequence Details . 51
B.2.13.3 Test Requirement . 51
B.3 Test Packet Structures . 52
Annex C (informative): Reference Model for Generating ROHC Performance Requirements . 55
C.1 Introduction . 55
C.2 For Voice-over-IP (VoIP) Optimization . 55
C.2.1 ROHC Parameters Optimizations for VoIP . 55
C.2.2 Parameter Setting for ROHC Reference Model for VoIP . 55
C.2.3 Setting the Parameter Value N in Test Cases for VoIP . 56
Annex D (normative): Data Compression . 57
D.1 Overview . 57
D.2 Control Function . 57
ETSI

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GMR-1 3G 25.323 6 ETSI TS 101 376-4-15 V3.4.1 (2017-03)
D.3 Data Compression Function . 57
D.3.0 General . 57
D.3.1 Encoding. 57
D.3.2 Decoding . 57
D.4 Packet Technique and Multi-Packet Technique . 58
D.5 Transfer . 58
D.6 Communication between Control Function and Data Compression Function . 58
D.7 Communicat
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