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STANDARD
SIST EN 301 790 V1.5.1:2009
ETSI EN 301 790 V1.5.1 (2009-05)European Standard (Telecommunications series) Digital Video Broadcasting (DVB);Interaction channel for satellite distribution systems European Broadcasting Union Union Européenne de Radio-Télévision EBU·UER
SIST EN 301 790 V1.5.1:2009
ETSI ETSI EN 301 790 V1.5.1 (2009-05)2
Reference REN/JTC-DVB-230 Keywords broadcasting, DVB, interaction, satellite ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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© European Telecommunications Standards Institute 2009. © European Broadcasting Union 2009. All rights reserved.
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ETSI ETSI EN 301 790 V1.5.1 (2009-05)3
Contents Intellectual Property Rights.8 Foreword.8 1 Scope.9 2 References.9 2.1 Normative references.9 2.2 Informative references.11 3 Definitions, symbols and abbreviations.11 3.1 Definitions.11 3.2 Symbols.12 3.3 Abbreviations.12 4 Reference models for satellite interactive networks in DVB.14 4.1 Protocol stack model.14 4.2 System model.15 4.3 Reference model of the Satellite Interactive Network.16 4.4 Dynamic connectivity.18 5 Forward link.19 5.1 Spectrum spreading in the forward link (Mobile Opt).19 6 Return link base-band physical layer specification and multiple access definition.20 6.1 RCST synchronization.21 6.1.1 Timing control.21 6.1.2 Carrier synchronization.22 6.1.3 Burst synchronization.22 6.1.4 Symbol clock synchronization.22 6.2 Burst format.22 6.2.1 Traffic (TRF) burst formats.22 6.2.1.1 ATM TRF burst.23 6.2.1.2 Optional MPEG2-TS TRF burst.23 6.2.2 Synchronization and acquisition burst formats.23 6.2.2.1 Synchronization (SYNC) burst format.24 6.2.2.2 Acquisition (ACQ) burst.24 6.2.3 Common Signalling Channel (CSC) burst format.25 6.2.4 Bit numbering and interpretation.27 6.2.5 Transmission order.27 6.3 Randomization for energy dispersal.28 6.4 Coding.28 6.4.1 CRC error detection code.28 6.4.2 Reed-Solomon outer coding.29 6.4.3 Convolutional inner coding.29 6.4.4 Turbo code.30 6.4.4.1 Description of the turbo code permutation.31 6.4.4.2 Determination of the circulation states.32 6.4.4.3 Rates and puncturing map.32 6.4.4.4 Order of transmission and mapping to QPSK constellation.33 6.4.5 Countermeasures for non-line-of-sight channels (Mobile Opt).34 6.4.5.1 LL-FEC Frame.35 6.4.5.1.1 Filling of Application Data Table.35 6.4.5.1.2 Generation of FEC Data Table.36 6.4.5.1.2.1 Reed-Solomon code.36 6.4.5.1.2.2 Raptor code.37 6.4.5.2 Carriage of LL-FEC frames.37 6.4.5.3 Carriage of application data in transport streams.37 6.4.5.4 Carriage of parity data in transport streams.38 6.4.5.4.1 Carriage of Reed-Solomon code parity data.38 SIST EN 301 790 V1.5.1:2009
ETSI ETSI EN 301 790 V1.5.1 (2009-05)4
6.4.5.4.2 Carriage of Raptor code parity data.38 6.4.5.5 Non-line-of-sight RCST identifier.39 6.4.5.6 Real-time parameters.39 6.4.5.7 Provisions for carrying LL-FEC frames in generic streams.40 6.4.5.7.1 LL-FEC identifier location for GSE-FEC streams.40 6.4.5.7.2 Carriage of application data over GSE-FEC streams.40 6.4.5.7.3 Carriage of parity data over GSE-FEC streams.42 6.5 Modulation.44 6.5.1 Bit mapping to QPSK constellation.44 6.5.2 Baseband shaping and quadrature modulation.45 6.5.3 EIRP control.45 6.5.4 Guard time.45 6.5.5 Spectrum spreading in the return link (Mobile Opt).45 6.6 MAC messages.47 6.6.1 Methods based on the Satellite Access Control (SAC) field.47 6.6.1.1 SAC field composition.47 6.6.1.1.1 Mobility Control Message field composition (Mobile Req).50 6.6.1.2 Prefix method mechanism.53 6.6.1.3 Mini-slot method.53 6.6.1.4 Contention based mini-slot method.53 6.6.1.5 MPEG Adaptation Field Method (MPAF) (option).53 6.6.2 Data Unit Labelling Method (DULM).54 6.6.2.1 DULM with ATM-formatting.55 6.6.2.2 DULM with MPEG-formatting.57 6.7 Multiple access.59 6.7.1 MF-TDMA.59 6.7.1.1 Fixed MF-TDMA.59 6.7.1.2 Dynamic MF-TDMA (Optional).59 6.7.1.3 Frequency range.60 6.7.2 Segmentation of the return link capacity.60 6.7.2.1 Superframes.60 6.7.2.2 Frames.61 6.7.2.3 Timeslots.61 6.8 Capacity request categories.62 6.8.1 Continuous Rate Assignment (CRA).62 6.8.2 Rate Based Dynamic Capacity (RBDC).62 6.8.3 Volume Based Dynamic Capacity (VBDC).62 6.8.4 Absolute Volume Based Dynamic Capacity (AVBDC).62 6.8.5 Free Capacity Assignment (FCA).63 7 Synchronization procedures.63 7.1 Overall events sequencing.63 7.2 Initial synchronization procedure.65 7.3 Logon procedure.66 7.3a Logon in the presence of a large timing uncertainty (Mobile Req).67 7.4 Coarse synchronization procedure (optional).67 7.5 Fine synchronization procedure (optional).68 7.6 Synchronization maintenance procedure.69 7.7 Logoff procedure.69 7.7.1 General.69 7.7.2 Normal.69 7.7.3 Abnormal.69 8 Control and management.70 8.1 Protocol stack.70 8.1.1 RCST Type A (IP).70 8.1.2 Optional RCST Type B (Native ATM).72 8.2 RCST addressing.72 8.3 Forward link signalling.73 8.3.1 General SI tables.73 8.3.1.1 Superframe Composition Table (SCT).73 8.3.1.2 Frame Composition Table (FCT).73 SIST EN 301 790 V1.5.1:2009
ETSI ETSI EN 301 790 V1.5.1 (2009-05)5
8.3.1.3 Time-Slot Composition Table (TCT).73 8.3.1.4 Satellite Position Table (SPT).73 8.3.1.5 Correction Message Table (CMT).74 8.3.1.6 Terminal Burst Time Plan (TBTP).74 8.3.2 Terminal Information Message (TIM).74 8.3.3 PCR Insertion TS Packet.74 8.3.4 Summary.74 8.3.5 Repetition rates.75 8.4 Return link signalling.75 8.4.1 RCST synchronization and Identification messages.75 8.4.2 Configuration parameters between RCST and NCC (optional).76 8.4.3 Other messages for network management (optional).76 8.4.4 Burst time plan exchange.77 8.5 Coding of SI for forward link signalling.77 8.5.1 Introduction.77 8.5.2 SI table mechanism.77 8.5.3 DSM-CC section mechanism.77 8.5.4 Coding of PID and table_id fields.78 8.5.5 Table definitions.78 8.5.5.1 Standard section headers.78 8.5.5.1.1 SI section header.79 8.5.5.1.2 DSM-CC private section header.80 8.5.5.2 Superframe Composition Table (SCT).81 8.5.5.3 Frame Composition Table (FCT).83 8.5.5.4 Timeslot Composition Table (TCT).84 8.5.5.5 Satellite Position Table (SPT).89 8.5.5.6 PCR Insertion Transport Stream packet.90 8.5.5.6.1 TS packet format.90 8.5.5.6.2 Adaptation field.90 8.5.5.6.3 Optional payload field.91 8.5.5.7 Terminal Burst Time Plan (TBTP).92 8.5.5.8 Terminal Information Message (TIM).93 8.5.5.9 Correction Message Table (CMT).96 8.5.5.10 Descriptor coding.97 8.5.5.10.1 Descriptor identification and location.97 8.5.5.10.2 Network Layer Info descriptor (optional).97 8.5.5.10.3 Correction Message descriptor.98 8.5.5.10.4 Logon Initialize descriptor.100 8.5.5.10.5 ACQ Assign descriptor.102 8.5.5.10.6 SYNC Assign descriptor.103 8.5.5.10.7 Encrypted Logon ID descriptor.104 8.5.5.10.8 Echo Value descriptor.104 8.5.5.10.9 Linkage descriptor (private data).105 8.5.5.10.10 RCS content descriptor.106 8.5.5.10.11 Satellite forward link descriptor.107 8.5.5.10.12 Satellite return link descriptor.110 8.5.5.10.13 Table Update descriptor.111 8.5.5.10.14 Contention control descriptor.112 8.5.5.10.15 Correction Control descriptor.112 8.5.5.10.16 Forward Interaction Path descriptor.113 8.5.5.10.17 Return Interaction Path descriptor.114 8.5.5.10.18 Connection Control descriptor (optional).116 8.5.5.10.19 Mobility Control descriptor (Mobile Req).117 8.5.5.10.20 Correction Message Extension descriptor (Mobile Req).117 8.5.5.10.21 Return Transmission Modes (RTM) descriptor (Mobile Opt).118 8.5.5.10.22 Mesh logon initialize descriptor (Optional).120 8.5.5.10.23 Implementation type descriptor (Optional).122 8.5.5.10.24 LL_FEC_identifier_descriptor (optional).124 8.5.5.11 Accessing of the forward link signalling.125 8.5.5.12 RCS Map Table.129 8.5.5.13 Transmission Mode Support Table.130 8.5.5.14 LL-FEC parity data table.131 SIST EN 301 790 V1.5.1:2009
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8.6 Mobility management (Mobile Req).133 8.7 Interference avoidance for mobile terminals (Mobile Req).134 8.7.1 Off-axis EIRP emission density.134 8.7.2 Power Flux Density at the surface of the earth.
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