1、 TIA-1008-B May 2012IP over Satellite (IPoS) NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchase
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18、NT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-1008B iii CONTENTS 1 Foreword . xii 2 1 Overview . 1 3 1.1 Scope . 1 4 1.2 Objectives 1 5 1.3 Document Organization . 1 6 1.4 References . 2 7 1.5 Abbreviations, Definitions and Symbo
19、ls . 3 8 1.5.1 Abbreviations 3 9 1.5.2 Definitions . 8 10 1.5.3 Symbols . 11 11 2 System Architecture 15 12 2.1 Introduction . 15 13 2.2 System Overview. 15 14 2.2.1 Network Architecture 17 15 2.2.2 Network Interfaces 21 16 2.3 Remote Terminal . 22 17 2.3.1 Remote Terminal Operational States . 23 18
20、 2.3.2 Remote Terminal Characteristics 24 19 2.3.3 Mesh Transmission and Mesh Terminal . 24 20 2.4 IPoS Protocol Reference Model 25 21 2.4.1 Service Points and Primitives 28 22 2.5 Layer-wise Functional Partitioning . 30 23 2.5.1 Network Adaptation Layer 30 24 2.5.2 Data Link Layer (DLL) . 31 25 2.5
21、.3 Physical Layer (PHY) 33 26 2.6 Terminal Procedures 33 27 2.6.1 Commissioning Procedures . 34 28 2.6.2 Idle Mode Procedures 37 29 2.6.3 Transport Procedures . 41 30 3 IPoS Physical Layer 49 31 3.1 Introduction . 49 32 3.2 Physical Layer Overview 49 33 3.3 Outroute Physical Layer 50 34 3.4 Inroute
22、Physical Layer . 50 35 3.4.1 Modulation 52 36 3.4.2 Unique Words 53 37 3.4.3 Coding . 54 38 3.4.4 Inroute Framing Structure . 68 39 3.4.5 Burst Formats 70 40 3.4.6 Spreading . 90 41 3.4.7 Adaptive Coding 92 42 3.5 Mesh Physical Layer . 92 43 3.6 Physical Layer Measurements . 93 44 3.6.1 Outroute Bit
23、 Error Rate . 93 45 3.6.2 Signal Quality Factor . 93 46 TIA-1008B iv 3.6.3 Frequency Offset . 94 1 3.6.4 Unique Word (UW) Timing Offset . 95 2 3.6.5 SNR Estimation . 95 3 3.7 Interface to Higher Layers . 95 4 3.7.1 User Plane Primitives 95 5 3.7.2 Control Plane Primitives 96 6 3.7.3 Management Plane
24、 Primitives . 97 7 3.8 Physical Layer Procedures 98 8 3.8.1 Timing Synchronization 98 9 4 Data Link Layer . 101 10 4.1 Scope . 101 11 4.2 Data Link Control Overview . 101 12 4.3 Satellite Link Control Sublayer . 102 13 4.3.1 Overview . 102 14 4.4 Modes of Operation . 103 15 4.4.1 Registration and Co
25、mmissioning. 103 16 4.4.2 IPoS Terminal Startup . 103 17 4.4.3 IP Packet Delivery . 104 18 4.5 Interface with Higher Layers: SI-SAP 104 19 4.5.1 Overview . 104 20 4.5.2 User Plane 105 21 4.5.3 Control Plane . 105 22 4.6 Media Access Control Sublayer 105 23 4.6.1 Overview . 105 24 4.7 Interfaces, SAP
26、s, Service Definitions, and Service Primitives . 106 25 4.7.1 MAC Interface with Physical Layer 106 26 4.7.2 Interfaces with Layer Management Entities 106 27 4.7.3 Logical Interfaces with Peer Layer 107 28 4.8 Outroute Multiplexing . 107 29 4.8.1 Transport Packet Header . 108 30 4.8.2 Program Identi
27、fiers 110 31 4.9 Outroute MAC Sublayer 111 32 4.9.1 Outroute MAC Formats . 111 33 4.10 Inroute MAC Sublayer 132 34 4.10.1 Inroute Logical Channels 135 35 4.10.2 Inroute Segmentation . 141 36 4.11 MAC Procedures . 149 37 4.11.1 System Timing. 149 38 4.11.2 Remote Terminal Ranging 159 39 4.11.3 Inrout
28、e Group Selection by IPoS Remotes 164 40 4.11.4 Inroute Data Transmission Sequence 164 41 4.11.5 Contention Channel Access Procedures 167 42 4.11.6 Packet Filtering Procedures . 168 43 4.11.7 Outroute Adaptive Coding and Modulation (ACM) Procedures . 169 44 4.11.8 Adaptive Coding 173 45 4.11.9 Adapt
29、ive Inroute Selection (AIS) and Closed Loop Power Control (CLPC) 46 Procedures . 173 47 4.11.10 Mesh Procedures . 179 48 4.12 Message Functional Definition and Contents 194 49 4.12.1 General 194 50 TIA-1008B v 4.12.2 Packet Order of Presentation . 194 1 4.12.3 Order of Bits Within a Field 194 2 4.12
30、.4 Adaptation Field 195 3 4.12.5 Outroute Message 207 4 4.12.6 Inroute Group Definition Packet (IGDP) 213 5 4.12.7 Inroute Command and Acknowledgment Packet (ICAP) . 220 6 4.12.8 Bandwidth Allocation Packet 227 7 4.12.9 Inroute Acknowledgment Packet . 229 8 4.12.10 Inroute Signal Receive Power (SINR
31、) Feedback Packet (ISFP) . 229 9 4.12.11 Mesh Command And Acknowledment Packet (MCAP) . 230 10 4.12.12 Periodic Adapter Conditional Access Update (PACAU) 242 11 4.12.13 Periodic Element Broadcast (PEB) 243 12 4.12.14 DVB-S2 ACM Message 243 13 4.13 Configurable Parameters . 246 14 ANNEX A - (Normativ
32、e): State Machines 247 15 ANNEX B - (Normative): IPoS Security 269 16 17 TIA-1008B vi FIGURES 1 Figure 2.2.1-1. IPoS System Architecture 18 2 Figure 2.2.1.1-1. IPoS Star Network 19 3 Figure 2.2.1.2-1. IPoS Mesh Network 20 4 Figure 2.3-1. IPoS Terminal . 23 5 Figure 2.3.3-1. Mesh Transmission 25 6 Fi
33、gure 2.4-1. Protocol Reference Model 26 7 Figure 2.4-2. Protocol Stack for U-Plane and C-Plane . 27 8 Figure 2.4.1-1. Service Access Points 28 9 Figure 2.4.1-2. Primitive Flow . 29 10 Figure 2.6.1.5-1. IPoS User Registration . 36 11 Figure 2.6.2.1-1. IPoS System Information Reception . 38 12 Figure
34、2.6.2.4-1. Bandwidth Request Allocation . 41 13 Figure 2.6.3.1-1. Peer Layer PDU Exchanges 42 14 Figure 2.6.3.2-1. IPoS Outroute Data Flows 43 15 Figure 2.6.3.2-2. IPoS Inroute Data Flows . 44 16 Figure 2.6.3.3-1. Traffic Channel Types 45 17 Figure 2.6.3.3-2. Control Channel Types . 46 18 Figure 3.2
35、-1. The Physical Layer and Its Relationship to the MAC Layer 50 19 Figure 3.5-1. High-Level IPoS Inroute Diagram 51 20 Figure 3.4.1-1. Block Diagram of the Modulator . 52 21 Figure 3.4.3.1-1. IPoS Turbo Coder with BCH Block Diagram 55 22 Figure 3.4.3.1.3-1. Encoder Block Diagram for Parsed Parallel
36、Concatenated 23 Convolutional Codes 56 24 Figure 3.4.3.1.3.1-1. Constituent Encoder (Dotted Lines Effective for Trellis 25 Termination Only) 57 26 Figure 3.4.3.2-1. IPoS LDPC encoder with CRC-Check Block Diagram . 62 27 Figure 3.4.3.2.1-1. Data Format Entering Scrambler . 63 28 Figure 3.4.3.2.6-1. Q
37、PSK Symbol Constellation . 67 29 Figure 3.4.4-1. Inroute Framing Structure . 68 30 Figure 3.4.5.2-1. Burst Elements Turbo Coded Inroute . 71 31 Figure 3.4.5.2-2. Burst Elements LDPC . 71 32 Figure 3.4.5.2.1-1. IPoS Slot Frame Boundaries 73 33 Figure 3.4.5.2.1-2. Multiple Bursts Received Time Misalig
38、nment at IPoS Hub . 74 34 Figure 3.4.6-1. Spreading at the Transmitter 90 35 Figure 3.4.6-2. De-spreading at the Receiver . 90 36 Figure 3.4.6.1-1. Spreading Technique 92 37 Figure 3.6.2-1. Required Relationship Between Ebt/No and SQF . 94 38 Figure 4.2-1. DLC Model . 102 39 Figure 4.9.1.1-1. MAC En
39、capsulation of PSI Tables . 113 40 Figure 4.9.1.1.4-1. DVB/MPEG-2 Transport Packet CRC-32 Decoder 117 41 Figure 4.9.1.2-1. MAC Encapsulation of Datagrams . 118 42 Figure 4.9.1.3-1. IPoS MAC Address to MAC Header Mapping 124 43 Figure 4.10-1. Inroute MAC Encapsulation of Datagrams 133 44 Figure 4.10.
40、1.1.3-1. CRC-16 Calculation . 139 45 Figure 4.11.1.1.1-1. IPoS System Timing Relationships . 152 46 Figure 4.11.1.1.2-1. “Ideal” and Actual SFNP Transmission Time at the Hub . 153 47 Figure 4.11.2.4-1 Message Sequence for Remote Terminal Ranging 163 48 Figure 4.11.7-1 Adaptive Coding and Modulation.
41、 170 49 TIA-1008B vii Figure 4.11.7.2-1 MODCOD Selection Ingress and Egress . 171 1 Figure 4.11.10.1-1 IPoS Star and Mesh Tx and Rx Connectivity 180 2 Figure 4.12.2-1. Packet Byte and Bit Order of Presentation 194 3 Figure 4.12.3-1. Order of Bits Within a Field 195 4 5 6 TIA-1008B viii TABLES 1 Tabl
42、e 3.5.1-1. OQPSK Signal Mapping . 52 2 Table 3.4.3.1.3.3-1. Parameters R and C for Various Interleaver Size 60 3 Table 3.4.3.1.3.3-2. Values for Various Interleaver Sizes . 60 4 Table 3.4.3.1.5-1. Channel Interleaver Sizes (Example) 62 5 Table 3.4.5.2.2-1 Burst Structure for 256 ksps Turbo with BCH
43、(BTCH256_1/3TB) 74 6 Table 3.4.5.2.3-1. Burst Structure for 256 ksps Turbo with BCH (BTCH256_1/2TB) . 75 7 Table 3.4.5.2.4-1 Burst Structure for 256 ksps Turbo with BCH (BTCH256_2/3TB) . 75 8 Table 3.4.5.2.5-1. Burst Structure for 256 ksps Turbo with BCH (BTCH256_4/5TB) . 76 9 Table 3.4.5.2.6-1. Bur
44、st Structure for 512 ksps Turbo with BCH (BTCH512_1/3TB) . 76 10 Table 3.4.5.2.71. Burst Structure for 512 ksps Turbo with BCH (BTCH512_1/2TB) 76 11 Table 3.4.5.2.8-1. Burst Structure for 512 ksps Turbo with BCH (BTCH512_2/3TB) . 77 12 Table 3.4.5.2.9-1. Burst Structure for 512 ksps Turbo with BCH (
45、BTCH512_4/5TB) . 77 13 Table 3.4.5.2.10-1. Burst Structure for 1024 ksps Turbo with BCH (BTCH1024_1/3TB) . 78 14 Table 3.4.5.2.11-1. Burst Structure for 1024 ksps Turbo with BCH (BTCH1024_1/2TB) . 78 15 Table 3.4.5.2.12-1Burst Structure for 1024 ksps Turbo with BCH (BTCH1024_2/3TB) . 78 16 Table 3.4
46、.5.2.13-1. Burst Structure for 1024 ksps Turbo with BCH (BTCH1024_4/5TB) . 79 17 Table 3.4.5.2.14-1. Burst Structure for 2048 ksps Turbo with BCH (BTCH2048_1/3TB) . 79 18 Table 3.4.5.2.15-1. Burst Structure for 2048 ksps Turbo with BCH (BTCH2048_1/2TB) . 79 19 Table 3.4.5.2.16-1. Burst Structure for
47、 2048 ksps Turbo with BCH (BTCH2048_2/3TB) . 80 20 Table 3.4.5.2.17-1. Burst Structure for 2048 ksps Turbo with BCH (BTCH2048_4/5TB) . 80 21 Table 3.4.5.2.18-1. Burst Structure for 4096 ksps Turbo with BCH (BTCH4096_1/2TB) . 81 22 Table 3.4.5.2.19-1. Burst Structure for 4096 ksps Turbo with BCH (BTC
48、H4096_2/3TB) . 81 23 Table 3.4.5.2.20-1. Burst Structure for 4096 ksps Turbo with BCH (BTCH4096_4/5TB) . 82 24 Table 3.4.5.2.21-1. Burst Structure for 6144 ksps Turbo with BCH (BTCH6144_1/2TB) . 82 25 Table 3.5.5.2.22-1. Burst Structure for 6144 ksps Turbo with BCH (BTCH6144_2/3TB) . 83 26 Table 3.4
49、.5.2.23-1. Burst Structure for 6144 ksps Turbo with BCH (BTCH6144_4/5TB) . 83 27 Table 3.4.5.2.24-1. Burst Structure for 256 ksps LDPC with CRC (ATCH256_1/2LDPC) 84 28 Table 3.4.5.2.25-1 Burst Structure for 256 ksps LDPC with CRC (ATCH256_2/3LDPC) 84 29 Table 3.4.5.2.26-1. Burst Structure for 256 ksps LDPC with CRC (ATCH256_4/5LDPC) 84 30 Table 3.4.5.2.27-1. Burst Structure for 256 ksps LDPC with CRC (ATCH256_4/5LDPC) 85 31 Table 3.4.5.2.28-1. Burst Structure for 512 ksps LDPC with CRC (ATCH512_1/2LDPC) 85 32 Table 3.4.5.2.29-1. Burst Str
