1、 TIA STANDARD IP over Satellite (IPOS)TIA-1008-A May 2006 TELECOMMUNICATIONS INDUSTRY ASSOCIATION The Telecommunications Industry Association represents the communications sector of Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction
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19、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-i CONTENTS 1 Foreword.ix 2 1 Overview 1 3 1.1 Sc
20、ope 1 4 1.2 Objectives 1 5 1.3 Document Organization. 1 6 1.4 References 2 7 1.5 Abbreviations, Definitions and Symbols . 3 8 1.5.1 Abbreviations. 3 9 1.5.2 Definitions . 7 10 1.5.3 Symbols . 10 11 2 System Architecture. 13 12 2.1 Introduction 13 13 2.2 System Overview. 13 14 2.2.1 Network Architect
21、ure 14 15 2.2.2 Network Interfaces. 15 16 2.3 Remote Terminal Characteristics. 17 17 2.3.1 PC-Hosted Remote Terminals . 18 18 2.3.2 Self-Hosted Remote Terminals 19 19 2.3.3 Remote Terminal Operational States. 20 20 2.3.4 Remote Terminal Class 20 21 2.4 IPoS Protocol Reference Model 22 22 2.4.1 Servi
22、ce Points and Primitives 24 23 2.5 Layer-wise Functional Partitioning 27 24 2.5.1 Network Adaptation Layer 27 25 2.5.2 Data Link Layer (DLL) 27 26 2.5.3 Physical Layer (PHY) 29 27 2.6 Layer Procedures . 30 28 2.6.1 Commissioning Procedures . 30 29 2.6.2 Procedures in Idle Mode 34 30 2.6.3 Transport
23、Procedures . 38 31 3 IPoS Physical Layer. 45 32 3.1 Introduction 45 33 3.2 Physical Layer Overview. 45 34 3.3 Radio Transmission . 46 35 3.3.1 Operating Bands 47 36 3.3.2 Duplexing Methods 48 37 3.3.3 RF Channel Spacing 48 38 3.3.4 Minimum Inroute Bandwidth 49 39 3.3.5 Frequency Tuning 49 40 3.3.6 F
24、requency Stability 49 41 3.3.7 Output Power . 49 42 3.3.8 Output Power Control 50 43 3.3.9 EIRP. 50 44 3.3.10 Off-Axis EIRP Spectral Densities . 50 45 3.3.11 Carrier on EIRP . 51 46 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction
25、or networking permitted without license from IHS-,-,-ii 3.3.12 Unwanted Emissions 51 1 3.3.13 In-Band Unwanted Emissions 51 2 3.3.14 Antenna 52 3 3.3.15 Copolar Antenna Sidelobes 53 4 3.3.16 Cross-Polar Antenna Sidelobes 54 5 3.3.17 Phase Noise Specifications 54 6 3.3.18 Illustrative Example Link Bu
26、dgets 54 7 3.4 Outroute Physical Layer 57 8 3.4.1 DVB-S Outroute Physical Layer . 57 9 3.4.2 DVB-S2 Outroute Physical Layer . 58 10 3.4.3 Modulation QPSK 59 11 3.4.4 Frame Structure 60 12 3.4.5 Scrambling. 61 13 3.4.6 Channel Coding . 61 14 3.5 Inroute Physical Layer. 64 15 3.5.1 Modulation. 65 16 3
27、.5.2 Unique Words 67 17 3.5.3 Coding 68 18 3.5.4 Inroute Framing Structure 78 19 3.5.5 Burst Formats. 80 20 3.6 Physical Layer Measurements . 92 21 3.6.1 Outroute Bit Error Rate 92 22 3.6.2 Signal Quality Factor. 92 23 3.6.3 Signal Quality Factor for DVB-S2 93 24 3.7 Interface to Higher Layers . 93
28、25 3.7.1 User Plane Primitives. 94 26 3.7.2 Control Plane Primitives 94 27 3.7.3 Management Plane Primitives . 95 28 3.8 Physical Layer Procedures. 96 29 3.8.1 Timing Synchronization 96 30 4 Data Link Layer. 99 31 4.1 Scope 99 32 4.2 Data Link Control Overview . 99 33 4.3 Satellite Link Control Subl
29、ayer . 100 34 4.3.1 Overview 100 35 4.4 Modes of Operation . 101 36 4.4.1 Registration and Commissioning. 101 37 4.4.2 IPoS Terminal Startup . 101 38 4.4.3 IP Packet Delivery . 102 39 4.5 Compression 102 40 4.6 Interface with Higher Layers: SI-SAP 102 41 4.6.1 Overview 102 42 4.6.2 User Plane 103 43
30、 4.6.3 Control Plane . 103 44 4.7 Media Access Control Sublayer 103 45 4.7.1 Overview 103 46 4.8 Interfaces, SAPs, Service Definitions, and Service Primitives 104 47 4.8.1 MAC Interface with Physical Layer 104 48 4.8.2 Interfaces with Layer Management Entities 104 49 4.8.3 Logical Interfaces with Pe
31、er Layer 105 50 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-iii 4.9 Outroute Multiplexing . 105 1 4.9.1 Transport Packet Header 106 2 4.9.2 Program Identifiers 107 3 4.10 Ou
32、troute MAC Sublayer 108 4 4.10.1 Outroute MAC Formats. 108 5 4.11 Inroute MAC Sublayer. 127 6 4.11.1 Inroute Logical Channels. 129 7 4.11.2 Inroute Segmentation. 144 8 4.12 MAC Procedures 156 9 4.12.1 System Timing. 156 10 4.12.2 Remote Terminal Ranging. 162 11 4.12.3 Inroute Group Selection by IPoS
33、 Remotes 167 12 4.12.4 Inroute Data Transmission Sequence. 167 13 4.12.5 Contention Channel Access Procedures 170 14 4.12.6 Packet Filtering Procedures . 171 15 4.13 Message Functional Definition and Contents 172 16 4.13.1 General. 172 17 4.13.2 Packet Order of Presentation . 172 18 4.13.3 Order of
34、Bits Within a Field 173 19 4.13.4 Superframe Numbering Packet 173 20 4.13.5 Inroute Group Definition Packet (IGDP). 176 21 4.13.6 Inroute Command and Acknowledgment Packet (ICAP) 183 22 4.13.7 Bandwidth Allocation Packet 189 23 4.13.8 Inroute Acknowledgment Packet. 190 24 4.13.9 Periodic Adapter Con
35、ditional Access Update (PACAU) 191 25 4.13.10 Interactive Conditional Access Update (ICAU) and Response (ICAU-R) 192 26 4.13.11 Periodic Element Broadcast (PEB) 194 27 4.13.12 DVB-S2 ACM Message 194 28 4.14 Configurable Parameters 197 29 ANNEX A - (Normative): State Machines. 198 30 ANNEX B - (Norma
36、tive): IPoS Security. 214 31 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-iv FIGURES 1 Figure 2.2.1-1. IPoS System Architecture . 15 2 Figure 2.3.1-1. IPoS PC-Hosted Terminal
37、. 18 3 Figure 2.3.2-1. IPoS Self-Hosted Terminal . 19 4 Figure 2.4-1. Protocol Reference Model 22 5 Figure 2.4-2. Protocol Stack for U-Plane and C-Plane 24 6 Figure 2.4.1-1. Service Access Points .25 7 Figure 2.4.1-2. Primitive Flow. 26 8 Figure 2.6.1.5-1. IPoS User Registration. 33 9 Figure 2.6.2.1
38、-1. IPoS System Information Reception 35 10 Figure 2.6.2.4-1. Bandwidth Request Allocation 38 11 Figure 2.6.3.1-1. Peer Layer PDU Exchanges. 39 12 Figure 2.6.3.2-1. IPoS Outroute Data Flows . 40 13 Figure 2.6.3.2-2. IPoS Inroute Data Flows 41 14 Figure 2.6.3.3-1. Traffic Channel Types 42 15 Figure 2
39、.6.3.3-2. Control Channel Types 43 16 Figure 3.2-1. The Physical Layer and Its Relationship to the MAC Layer . 46 17 Figure 3.3.18-1. Illustrative Example IPoS Outroute Link Budget (Forward) 55 18 Figure 3.3.18-2. Illustrative Example IPoS Inroute Link Budget (Return) . 56 19 Figure 3.4.1-1. 3.4.13.
40、4.1-1IPoS Outroute High-Level Functional Structure 57 20 Figure 3.4.2-1. IPoS DVB-S2 Outroute High-Level Functional Structure. 58 21 Figure 3.4.3-1 QPSK Constellation .59 22 Figure 3.4.4-1. MPEG-2 Transport Mux Packet 60 23 Figure 3.4.4-2. Outroute Frame: Sync Bytes and Randomization Sequence R 60 2
41、4 Figure 3.4.5-1. Descrambler Diagram . 61 25 Figure 3.4.6-1. Reed-Solomon (204,188, T=8) Error Protected Packet 62 26 Figure 3.4.6-2. Interleaved Frames; Interleaving Depth I = 12 . 62 27 Figure 3.5-1. High-Level IPoS Inroute Diagram. 64 28 Figure 3.5.1-1. Block Diagram of the Modulator 65 29 Figur
42、e 3.5.3.1-1. Convolutional Coder Block Diagram. 68 30 Figure 3.5.3.1.1-1. Data Format Entering Scrambler 69 31 Figure 3.5.3.2-1. IPoS Turbo Coder with CRC-Check Block Diagram (for Class A 32 Terminal) . 70 33 Figure 3.5.3.2.3-1. Encoder Block Diagram for Parsed Parallel Concatenated 34 Convolutional
43、 Codes .71 35 Figure 3.5. 3.2.3.1-1. Constituent Encoder (Dotted Lines Effective for Trellis 36 Termination Only) . 72 37 Figure 3.5.3-1. IPoS Turbo Coder with BCH Block Diagram (Class B Terminal). 76 38 Figure 3.5.4-1. Turbo Code Inroute Framing Structure. 79 39 Figure 3.5.5.2-1. 64 ksps Convolutio
44、nally Coded Burst Elements 81 40 Figure 3.5.5.2-2. Burst Elements Except for 64ksps . 81 41 Figure 3.5.5.2.1-1. IPoS Slot Frame Boundaries . 82 42 Figure 3.5.5.2.1-2. Multiple Bursts Received Time Misalignment at IPoS Hub, 43 Applicable to all TDMA bursts except for 64ksps 82 44 Figure 3.6.2-1. Requ
45、ired Relationship Between Ebt/Noand SQF 93 45 Figure 4.2-1. DLC Model 100 46 Figure 4.10.1.1-1. MAC Encapsulation of PSI Tables 110 47 Figure 4.10.1.1.4-1. DVB/MPEG-2 Transport Packet CRC-32 Decoder 114 48 Figure 4.10.1.2-1. MAC Encapsulation of Datagrams 115 49 Copyright Telecommunications Industry
46、 Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-v Figure 4.10.1.3-1. IPoS MAC Address to MAC Header Mapping 119 1 Figure 4.11-1. Inroute MAC Encapsulation of Datagrams 128 2 Figure 4.11.1.1.6-1. CRC-16 Calculation
47、137 3 Figure 4.12.1.1-1. IPoS System Timing Relationships 157 4 Figure 4.12.1.2-1. “Ideal” and Actual SFNP Transmission Time at the Hub 159 5 Figure 4.12.2.4-1 Message Sequence for Remote Terminal Ranging . 166 6 Figure 4.13.2-1. Packet Byte and Bit Order of Presentation . 173 7 Figure 4.13.3-1. Ord
48、er of Bits Within a Field 173 8 9 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-vi TABLES 1 Table 2.3-1. IPoS Terminals Typical Characteristics 18 2 Table 2.3.1-1. Typical IPoS PC-Hosted Terminal Characteristics 19 3 Table 2.3.2-1. Typical Self-Hosted/Gateway Features 19 4 Table 3.3.3-1. Outroute Channel Spacing for Sample Symbol Rates 48 5 Table 3.3.4-1. Inroute Channel Spacing for Sample Symbol Rates 49 6 Table 3.3.7-1. Output Power Requirement 50 7
