第1页 / 共195页
第2页 / 共195页
第3页 / 共195页
第4页 / 共195页
第5页 / 共195页
第6页 / 共195页
第7页 / 共195页
第8页 / 共195页
ETSI EN 301 545-2 v1.1.pdf
Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
2.1 Normative references
2.2 Informative references
3 Definitions, symbols and abbreviations
3.1 Definitions
3.2 Symbols
3.3 Abbreviations
4 Two-way Satellite Interactive Satellite System models
4.1 Interactive Satellite System Reference Models
4.2 System Model
4.3 Dynamic Connectivity
4.4 Reference Architectures
4.5 Protocol Stack Model
4.6 The Lower Layers
4.6.1 Lower Layer Services
4.6.2 Lower Layer Interfaces
5 Forward Link
5.1 SDU Transport in the Forward Link
5.1.1 SDU Transport in GSE PDUs
5.1.1.1 Implicit Integrity Protection of SDU (optional)
5.1.1.2 Explicit Integrity Protection of SDU
5.1.1.3 Maximum Transfer Unit for an SDU in the Forward Link
5.1.2 SDU Transport in TS Packets (optional)
5.2 Addressing in the forward link
5.2.1 Addressing of L2S
5.2.2 Addressing the Unicast Higher Layer Traffic
5.2.2.1 Addressing Unicast Sent with GSE
5.2.2.2 Addressing Unicast Sent over a TS Packet stream (optional)
5.2.3 Addressing the Multicast Higher Layer Traffic
5.2.3.1 Addressing Multicast over GSE
5.2.3.2 Addressing Multicast over TS Packet stream
5.3 Layer 2 FEC (optional)
5.4 DVB-S2 Physical Layer
5.4.1 CCM operation
5.4.2 ACM operation
5.4.2.1 ACM TDM carrying TS packets (optional)
5.4.2.2 Single stream ACM TDM carrying GSE PDU
5.4.2.3 Multi-stream ACM TDM carrying GSE PDU (optional)
5.4.2.4 Transmission mode usage
5.4.2.5 PL frame usage
5.4.2.6 SYNC Byte Usage
5.4.3 FL Modulation and Coding
5.4.4 Symbol Scrambling
5.4.4.1 Broadcast Type Symbol Scrambling
5.4.4.2 Custom Type Symbol Scrambling (optional)
5.4.5 Direct Sequence Spread Spectrum
6 Forward Link L2S
6.1 Protocol Stack
6.2 Forward Link L2S Components
6.2.1 Network Clock Reference Indication
6.2.1.1 NCR in Continuous GS
6.2.1.2 NCR in TS Packet Stream (optional)
6.2.2 Broadcast Tables
6.2.2.1 Network Information Table (NIT)
6.2.2.2 RCS Map Table (RMT)
6.2.2.3 Superframe Composition Table (SCT)
6.2.2.4 Frame Composition Table version 2 (FCT2)
6.2.2.5 Broadcast Configuration Table (BCT)
6.2.2.6 Satellite Position Table (SPT)
6.2.2.7 Correction Message Table (CMT)
6.2.2.8 Terminal Burst Time Plan Table version 2 (TBTP2)
6.2.2.9 Multicast Mapping Table version 2 (MMT2)
6.2.2.10 Transmission Mode Support Table version 2 (TMST2)
6.2.2.11 Fast Access Table (FAT)
6.2.2.12 Supplementary Tables (optional)
6.2.3 Terminal Information Message (TIM)
6.3 Refresh and Update Intervals
6.4 Syntax and Coding of FL Signals for L2S
6.4.1 Table and Message Identification and Placement
6.4.2 The NCR Packet
6.4.3 Transport of Configuration Tables and Messages
6.4.3.1 Transport in Continuous Generic Stream
6.4.3.1.1 Un-addressed Lower Layer Signalling Transport in GSE Packets
6.4.3.1.2 Addressed Lower Layer Signalling Transport in GSE Packets
6.4.3.2 Transport in TS Packets (optional)
6.4.3.2.1 Un-addressed Transport in TS Packets (optional)
6.4.3.2.2 Addressed Lower Layer Signal Transport in TS Packet Stream (optional)
6.4.4 The SCT Content
6.4.5 The FCT2 Content
6.4.6 The BCT Content
6.4.6.1 Format Data Block for LM Burst
6.4.6.2 Format Data Block for CPM Burst
6.4.6.3 Format Data Block for Continuous Transmission
6.4.7 The SPT Content
6.4.8 The CMT Content
6.4.9 The TBTP2 Content
6.4.10 The NIT Content
6.4.11 The RMT Content
6.4.12 The MMT2 Content
6.4.13 The TMST2 Content
6.4.14 The TIM Content
6.4.15 The Fast Access Table Content (optional)
6.4.16 Supplementary SI Tables Content (optional)
6.4.17 The Descriptors
6.4.17.1 Correction Message Descriptor
6.4.17.2 Control Assign Descriptor
6.4.17.3 Echo Value Descriptor
6.4.17.4 Linkage Descriptor
6.4.17.5 Satellite Return Link Descriptor
6.4.17.6 Satellite Forward Link Descriptor
6.4.17.7 Logon Contention Descriptor
6.4.17.8 Correction Control Descriptor
6.4.17.9 Mobility Control Descriptor
6.4.17.10 Correction Message Extension Descriptor
6.4.17.11 Return Transmission Modes Descriptor (optional)
6.4.17.12 Implementation Type Descriptor (optional)
6.4.17.13 LL FEC Identifier Descriptor (optional)
6.4.17.14 Frame Payload Format Descriptor
6.4.17.15 Pointing Alignment Support Descriptor
6.4.17.16 Forward Link Streams Descriptor (optional)
6.4.17.17 Lower Layer Service Descriptor
6.4.17.18 Logon Response Descriptor
6.4.17.19 DHCP Option Descriptor
6.4.17.20 TRANSEC Message Descriptor
6.4.17.21 Transmission Offset Descriptor
6.4.17.22 RCS Content Descriptor (optional)
6.4.17.23 Logon Security Descriptor (optional)
6.4.17.24 Random Access Load Control Descriptor
6.4.17.25 CLI Instruction Descriptor (optional)
6.4.17.26 Random Access Traffic Method Descriptor (optional)
6.4.17.27 Network Layer Info descriptor
6.4.17.28 Higher Layers Initialisation descriptor
6.4.17.29 Lowest Software Version descriptor
6.5 Transmission of Forward Link L2S Data Structures
7 Return Link
7.1 Return Link Logical Link Control
7.1.1 SDU Transport in the Return Link
7.1.2 Maximum Transfer Unit for an SDU in the Return Link
7.2 Return Link Medium Access Control
7.2.1 The Addressed Link PDU (ALPDU)
7.2.1.1 Addressed Link PDU Format and Syntax
7.2.1.1.1 compressed_protocol_type Field
7.2.1.1.2 protocol_type Field
7.2.1.1.3 alpdu_label_byte Field (optional)
7.2.1.1.4 sdu_byte Field
7.2.1.1.5 fragmenting_aldpdu
7.2.1.1.6 sequence_number Field
7.2.1.1.7 alpdu_crc Field (optional)
7.2.1.2 The ALPDU Label
7.2.1.3 Identifying the Transmission Resources for the ALPDU
7.2.1.4 Mapping the ALPDU to Available Payload
7.2.1.4.1 Forwarding the ALPDU in One Payload-adapted PDU
7.2.1.4.2 Forwarding the ALPDU Using Several Payload-adapted PDUs
7.2.1.4.3 Integrity Protection of a Fragmented ALPDU
7.2.1.4.4 Multiplexing Payload-adapted PDUs used for Different ALPDUs
7.2.2 The Payload-adapted PDU (PPDU)
7.2.2.1 start_indicator and end_indicator Fields
7.2.2.2 ppdu_length Field
7.2.2.3 fragment_id Field
7.2.2.4 alpdu_label_type Field
7.2.2.5 protocol_type_suppressed Field
7.2.2.6 ppdu_label_byte Field (optional)
7.2.2.7 use_alpdu_crc Field
7.2.2.8 total_length Field
7.2.2.9 alpdu_byte Field
7.2.2.10 The PPDU Label (optional)
7.2.3 The Frame PDU
7.2.3.1 Context Differentiation of the Frame PDU
7.2.3.2 The Frame PDU Format and Syntax
7.2.3.3 The Payload Label
7.2.4 Lower Layer Addressing by the RCST
7.2.4.1 Addresses used for Lower Layer Signalling towards NCC
7.2.4.2 Lower Layer Addressing of SDUs
7.2.4.2.1 Explicit SVN tag in ALPDU
7.2.4.2.2 Implicit ALPDU Source/Destination Addresses
7.2.4.2.3 Implicit PPDU Source/Destination Addresses
7.2.4.2.4 Implicit Frame PDU Source/Destination Addresses
7.2.4.2.5 Explicit ALPDU Source/Destination Address
7.2.4.2.6 Explicit PPDU Source/Destination Addresses (option)
7.2.4.2.7 Explicit Frame PDU Destination Address (option)
7.2.4.2.8 Explicit Frame PDU Source Address
7.2.4.3 Virtual Network Addressing
7.2.5 Random Access
7.2.5.1 Channels for Random Access
7.2.5.1.1 Timeslots for Random Access Logon
7.2.5.1.2 Timeslots for Random Access Control (optional)
7.2.5.1.3 Timeslots for Random Access User Traffic (optional)
7.2.5.2 Random Access Methods
7.2.5.2.1 Slotted Aloha
7.2.5.2.2 CRDSA (optional)
7.2.5.3 Resources for contention
7.2.6 Dedicated access
7.2.6.1 Channels for Dedicated access
7.2.6.1.1 Timeslots Dedicated to an RCST and for Logon Burst
7.2.6.1.2 Timeslots Dedicated to an RCST and for Control Burst
7.2.6.1.3 Timeslots Dedicated to an RCST and for Traffic/Control Content
7.2.6.1.4 Timeslots Dedicated to an RCST and for Traffic Content
7.2.6.2 Unsolicited Resources for Dedicated access
7.2.6.3 Solicitation for Resources for Dedicated access
7.2.6.3.1 Volume Based Dynamic Capacity
7.2.6.3.2 Rate Based Dynamic Capacity (RBDC)
7.2.6.3.3 Requests per request class
7.2.6.3.4 Limitation of the Requested Level of Resources
7.2.7 Burst Time Plan Distribution
7.3 Transmission Bursts
7.3.1 Transmission Burst Content Type
7.3.2 Burst Waveform
7.3.3 Energy Dispersal
7.3.4 Payload CRC
7.3.5 Coding and Interleaving
7.3.5.1 The Turbo FEC Encoder for Linear Modulation
7.3.5.1.1 Turbo Code Permutation
7.3.5.1.2 Circulation of Initial State
7.3.5.1.3 Rates and Puncturing Map
7.3.5.2 Convolutional Encoder for CPM
7.3.5.2.1 The FEC Encoder for CPM
7.3.5.2.2 Trellis Termination
7.3.5.2.3 The Bit-interleaver for CPM
7.3.6 Inclusion of Known Symbols
7.3.6.1 Burst Construction for TC-LM
7.3.6.2 Burst Construction for CC-CPM
7.3.7 Modulation
7.3.7.1 Linear Modulation of Burst
7.3.7.1.1 Baseband Shape and Group Delay
7.3.7.1.2 Preamble and Post-amble Symbols
7.3.7.1.3 Pilot Block Symbols
7.3.7.1.4 Payload Symbols
7.3.7.2 Continuous Phase Modulation of Burst
7.3.7.2.1 Continuous Phase Modulation Signal and Pulse Shaping
7.3.7.2.2 Continuous Phase Modulation Bit to Symbol Mapping
7.3.7.2.3 Phase Trellis Termination
7.3.8 Burst Transmission Power Envelope
7.3.9 Transmission Burst Timing
7.3.9.1 Burst Transmission Start Accuracy
7.3.9.2 Symbol Clock Accuracy
7.3.9.3 Carrier Accuracy
7.4 Burst Repetition
7.5 The Return Link Structure (MF-TDMA)
7.5.1 Segmentation of the Return Link Resources
7.5.1.1 Superframe
7.5.1.2 Superframe Sequence
7.5.1.3 Frame
7.5.1.4 Timeslot
7.5.2 Guard time
7.5.3 The Dynamic MF-TDMA Transmission Channel
7.5.4 The Frequency Range of the Dynamic Transmission Channel
7.6 Return Link TDM
8 Return Link L2S
8.1 Transport of the Logon PDU
8.2 Transport of the Control PDU
8.2.1 Transport of Control PDU in Control Burst
8.2.2 Transport of Control PDU multiplexed with higher layer PDUs
8.3 Syntax and Coding of RL Signals for L2S
8.3.1 Logon PDU content
8.3.2 Control PDU Content
8.3.3 CSC Burst Issued by RCST
8.3.4 Transmission of Return Link L2S Data Structures
9 M&C Functions Supported by L2S
9.1 Connecting the Forward Link
9.1.1 Acquisition of the Forward Link Signalling
9.1.2 Acquisition of Multiple Forward Link Streams (optional)
9.1.3 Acquisition of Multiple Forward Link TDMs (optional)
9.2 Connecting the Return Link
9.2.1 Return Link States and State Transitions
9.2.2 Initialise for Logon Procedure
9.2.3 Lower Layer Logon Procedure
9.2.3.1 Basic Logon Procedure
9.2.3.2 Logon via Dynamically Allocated Logon Timeslots
9.2.3.3 Logon with Support for Large Timing Uncertainty
9.2.4 Acquiring the Superframe Sequence for Operation
9.2.5 TDMA Synchronization Procedure
9.2.6 Synchronization Monitoring Process
9.2.7 Logoff Procedures
9.3 Protocol Type Support
9.4 Interactive Network Entry
9.4.1 Entry Type Indication
9.4.2 Alignment Status
9.4.3 Subscription Status
9.4.4 Higher Layers Initialization Status
9.4.5 Commissioning Status
9.4.6 Lower Layer Capabilities
9.4.7 Higher Layer Capabilities
9.4.8 Providing the unicast RCS-MAC Addresses for the Higher Layers
9.4.9 Lower Layer Service Assignment
9.4.10 Initialization of the Higher Layers
9.5 Return Link Timeslot Grid Control
9.6 Timeslot Access Method Control
9.7 Random Access Load Control
9.7.1 Contention Control for Logon Timeslots
9.7.1.1 Stationary RA Load Control for Logon
9.7.1.2 Dynamic RA Load Control for Logon
9.7.2 Contention Control for Control Timeslots (optional)
9.7.2.1 Stationary RA Load Control for Control Signals
9.7.3 Contention Control for Traffic Timeslots
9.7.3.1 Stationary RA Load Control for Traffic
9.7.3.2 Dynamic RA Load Control for Traffic
9.8 Forward Link Feeder MODCOD Control
9.9 Control of RCST Transmission Characteristics
9.9.1 EIRP Control
9.9.2 Transmission Duration Control
9.9.3 Symbol Rate Control
9.9.4 Return Link MODCOD Control
9.9.5 Waveform Configuration Control
9.9.5.1 Configuring the Waveform for TC-LM
9.9.5.2 Configuring the Waveform for CC-CPM
9.9.5.3 Configuring the waveform for CRDSA TC-LM (optional)
9.9.6 Contention Diversity Transmission Control (optional)
9.10 Frame Payload Format Control
9.10.1 Payload Content Type Control
9.10.2 Frame Payload Format Differentiation
9.10.3 Frame Payload Format Control
9.10.4 ALPDU Label Format Control
9.10.5 SDU Protocol Type Field Control
9.11 Return Link Status Supervision
9.12 Remote Control of the RCST
9.12.1 Log Off
9.12.2 Hold Transmission
9.12.3 Wakeup
9.12.4 Remote Echo
9.12.5 SNMP Set to Remote (optional)
9.12.6 CLI Instruction to Remote (optional)
9.12.7 Network Failure and Recovery
9.12.8 Rain Fade Indications
9.13 Control of the MTU
9.14 Pointing Alignment Support
10 Mobile Terminal Operation (optional)
11 Security
Annex A (normative): Reference waveforms
Annex B (normative): Interleaver Permutations for CC-CPM
Annex C (normative): CPM Phase response samples
Annex D (informative): Bibliography
History
ETSI EN 301 545-2 V1.1.1 (2012-01)
European Standard
Digital Video Broadcasting (DVB);
Second Generation DVB
Interactive Satellite System (DVB-RCS2);
Part 2: Lower Layers for Satellite standard
2
ETSI EN 301 545-2 V1.1.1 (2012-01)
Reference
DEN/JTC-DVB-295-2
Keywords
DVB, interaction, satellite
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88
Important notice
Individual copies of the present document can be downloaded from:
http://www.etsi.org
The present document may be made available in more than one electronic version or in print. In any case of existing or
perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF).
In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive
within ETSI Secretariat.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
http://portal.etsi.org/tb/status/status.asp
If you find errors in the present document, please send your comment to one of the following services:
http://portal.etsi.org/chaircor/ETSI_support.asp
Copyright Notification
No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2012.
© European Broadcasting Union 2012.
All rights reserved.
DECTTM, PLUGTESTSTM, UMTSTM and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.
3GPPTM and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and
GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association.
of the 3GPP Organizational Partners.
ETSI
3
ETSI EN 301 545-2 V1.1.1 (2012-01)
Contents
Intellectual Property Rights ................................................................................................................................ 9
Foreword ............................................................................................................................................................. 9
Introduction ...................................................................................................................................................... 10
1
2
2.1
2.2
3
3.1
3.2
3.3
Scope ...................................................................................................................................................... 11
References .............................................................................................................................................. 11
Normative references ....................................................................................................................................... 11
Informative references ...................................................................................................................................... 12
Definitions, symbols and abbreviations ................................................................................................. 13
Definitions ........................................................................................................................................................ 13
Symbols ............................................................................................................................................................ 15
Abbreviations ................................................................................................................................................... 16
4
4.1
4.2
4.3
4.4
4.5
4.6
4.6.1
4.6.2
Two-way Satellite Interactive Satellite System models ......................................................................... 18
Interactive Satellite System Reference Models ................................................................................................ 18
System Model ................................................................................................................................................... 18
Dynamic Connectivity ...................................................................................................................................... 18
Reference Architectures ................................................................................................................................... 18
Protocol Stack Model ....................................................................................................................................... 18
The Lower Layers ............................................................................................................................................ 19
Lower Layer Services ................................................................................................................................. 20
Lower Layer Interfaces ............................................................................................................................... 21
5
5.1
5.1.1
5.1.1.1
5.1.1.2
5.1.1.3
5.1.2
5.2
5.2.1
5.2.2
5.2.2.1
5.2.2.2
5.2.3
5.2.3.1
5.2.3.2
5.3
5.4
5.4.1
5.4.2
5.4.2.1
5.4.2.2
5.4.2.3
5.4.2.4
5.4.2.5
5.4.2.6
5.4.3
5.4.4
5.4.4.1
5.4.4.2
5.4.5
Forward Link .......................................................................................................................................... 23
SDU Transport in the Forward Link................................................................................................................. 23
SDU Transport in GSE PDUs ..................................................................................................................... 24
Implicit Integrity Protection of SDU (optional) .................................................................................... 24
Explicit Integrity Protection of SDU ..................................................................................................... 24
Maximum Transfer Unit for an SDU in the Forward Link ................................................................... 24
SDU Transport in TS Packets (optional) .................................................................................................... 25
Addressing in the forward link ......................................................................................................................... 25
Addressing of L2S ...................................................................................................................................... 25
Addressing the Unicast Higher Layer Traffic ............................................................................................. 25
Addressing Unicast Sent with GSE ....................................................................................................... 25
Addressing Unicast Sent over a TS Packet stream (optional) ............................................................... 25
Addressing the Multicast Higher Layer Traffic .......................................................................................... 26
Addressing Multicast over GSE ............................................................................................................ 26
Addressing Multicast over TS Packet stream ........................................................................................ 26
Layer 2 FEC (optional) ..................................................................................................................................... 26
DVB-S2 Physical Layer ................................................................................................................................... 26
CCM operation ........................................................................................................................................... 26
ACM operation ........................................................................................................................................... 27
ACM TDM carrying TS packets (optional) .......................................................................................... 27
Single stream ACM TDM carrying GSE PDU ..................................................................................... 27
Multi-stream ACM TDM carrying GSE PDU (optional) ...................................................................... 27
Transmission mode usage ..................................................................................................................... 27
PL frame usage ...................................................................................................................................... 27
SYNC Byte Usage ................................................................................................................................ 28
FL Modulation and Coding ......................................................................................................................... 28
Symbol Scrambling..................................................................................................................................... 28
Broadcast Type Symbol Scrambling ..................................................................................................... 28
Custom Type Symbol Scrambling (optional) ........................................................................................ 28
Direct Sequence Spread Spectrum .............................................................................................................. 28
6
6.1
Forward Link L2S .................................................................................................................................. 28
Protocol Stack .................................................................................................................................................. 29
ETSI
6.2
6.2.1
6.2.1.1
6.2.1.2
6.2.2
6.2.2.1
6.2.2.2
6.2.2.3
6.2.2.4
6.2.2.5
6.2.2.6
6.2.2.7
6.2.2.8
6.2.2.9
6.2.2.10
6.2.2.11
6.2.2.12
6.2.3
6.3
6.4
6.4.1
6.4.2
6.4.3
6.4.3.1
6.4.3.1.1
6.4.3.1.2
6.4.3.2
6.4.3.2.1
6.4.3.2.2
6.4.4
6.4.5
6.4.6
6.4.6.1
6.4.6.2
6.4.6.3
6.4.7
6.4.8
6.4.9
6.4.10
6.4.11
6.4.12
6.4.13
6.4.14
6.4.15
6.4.16
6.4.17
6.4.17.1
6.4.17.2
6.4.17.3
6.4.17.4
6.4.17.5
6.4.17.6
6.4.17.7
6.4.17.8
6.4.17.9
6.4.17.10
6.4.17.11
6.4.17.12
6.4.17.13
6.4.17.14
6.4.17.15
6.4.17.16
4
ETSI EN 301 545-2 V1.1.1 (2012-01)
Forward Link L2S Components ....................................................................................................................... 29
Network Clock Reference Indication .......................................................................................................... 29
NCR in Continuous GS ......................................................................................................................... 29
NCR in TS Packet Stream (optional) .................................................................................................... 30
Broadcast Tables ......................................................................................................................................... 30
Network Information Table (NIT) ........................................................................................................ 30
RCS Map Table (RMT) ........................................................................................................................ 30
Superframe Composition Table (SCT).................................................................................................. 31
Frame Composition Table version 2 (FCT2) ........................................................................................ 31
Broadcast Configuration Table (BCT) .................................................................................................. 31
Satellite Position Table (SPT) ............................................................................................................... 31
Correction Message Table (CMT) ........................................................................................................ 31
Terminal Burst Time Plan Table version 2 (TBTP2) ............................................................................ 31
Multicast Mapping Table version 2 (MMT2) ....................................................................................... 32
Transmission Mode Support Table version 2 (TMST2) ....................................................................... 32
Fast Access Table (FAT) ...................................................................................................................... 32
Supplementary Tables (optional) .......................................................................................................... 32
Terminal Information Message (TIM) ........................................................................................................ 32
Refresh and Update Intervals ........................................................................................................................... 32
Syntax and Coding of FL Signals for L2S ....................................................................................................... 33
Table and Message Identification and Placement ....................................................................................... 33
The NCR Packet ......................................................................................................................................... 35
Transport of Configuration Tables and Messages ...................................................................................... 35
Transport in Continuous Generic Stream .............................................................................................. 35
Un-addressed Lower Layer Signalling Transport in GSE Packets .................................................. 35
Addressed Lower Layer Signalling Transport in GSE Packets ....................................................... 36
Transport in TS Packets (optional) ........................................................................................................ 36
Un-addressed Transport in TS Packets (optional) ........................................................................... 36
Addressed Lower Layer Signal Transport in TS Packet Stream (optional) ..................................... 37
The SCT Content ........................................................................................................................................ 39
The FCT2 Content ...................................................................................................................................... 40
The BCT Content ........................................................................................................................................ 42
Format Data Block for LM Burst .......................................................................................................... 43
Format Data Block for CPM Burst ....................................................................................................... 45
Format Data Block for Continuous Transmission ................................................................................. 47
The SPT Content ......................................................................................................................................... 48
The CMT Content ....................................................................................................................................... 48
The TBTP2 Content .................................................................................................................................... 49
The NIT Content ......................................................................................................................................... 51
The RMT Content ....................................................................................................................................... 52
The MMT2 Content .................................................................................................................................... 53
The TMST2 Content ................................................................................................................................... 54
The TIM Content ........................................................................................................................................ 55
The Fast Access Table Content (optional) .................................................................................................. 57
Supplementary SI Tables Content (optional) .............................................................................................. 57
The Descriptors ........................................................................................................................................... 57
Correction Message Descriptor ............................................................................................................. 57
Control Assign Descriptor ..................................................................................................................... 58
Echo Value Descriptor .......................................................................................................................... 59
Linkage Descriptor ................................................................................................................................ 60
Satellite Return Link Descriptor ........................................................................................................... 61
Satellite Forward Link Descriptor ......................................................................................................... 62
Logon Contention Descriptor ................................................................................................................ 64
Correction Control Descriptor ............................................................................................................... 65
Mobility Control Descriptor .................................................................................................................. 65
Correction Message Extension Descriptor ............................................................................................ 65
Return Transmission Modes Descriptor (optional) ............................................................................... 66
Implementation Type Descriptor (optional) .......................................................................................... 66
LL FEC Identifier Descriptor (optional) ............................................................................................... 68
Frame Payload Format Descriptor ........................................................................................................ 68
Pointing Alignment Support Descriptor ................................................................................................ 69
Forward Link Streams Descriptor (optional) ........................................................................................ 72
ETSI
5
ETSI EN 301 545-2 V1.1.1 (2012-01)
6.4.17.17
6.4.17.18
6.4.17.19
6.4.17.20
6.4.17.21
6.4.17.22
6.4.17.23
6.4.17.24
6.4.17.25
6.4.17.26
6.4.17.27
6.4.17.28
6.4.17.29
6.5
Lower Layer Service Descriptor ........................................................................................................... 72
Logon Response Descriptor .................................................................................................................. 75
DHCP Option Descriptor ...................................................................................................................... 76
TRANSEC Message Descriptor ............................................................................................................ 77
Transmission Offset Descriptor ............................................................................................................ 77
RCS Content Descriptor (optional) ....................................................................................................... 79
Logon Security Descriptor (optional) ................................................................................................... 79
Random Access Load Control Descriptor ............................................................................................. 80
CLI Instruction Descriptor (optional) ................................................................................................... 81
Random Access Traffic Method Descriptor (optional) ......................................................................... 81
Network Layer Info descriptor .............................................................................................................. 82
Higher Layers Initialisation descriptor .................................................................................................. 83
Lowest Software Version descriptor ..................................................................................................... 84
Transmission of Forward Link L2S Data Structures ........................................................................................ 84
7
7.1
7.1.1
7.1.2
7.2
7.2.1
7.2.1.1
7.2.1.1.1
7.2.1.1.2
7.2.1.1.3
7.2.1.1.4
7.2.1.1.5
7.2.1.1.6
7.2.1.1.7
7.2.1.2
7.2.1.3
7.2.1.4
7.2.1.4.1
7.2.1.4.2
7.2.1.4.3
7.2.1.4.4
7.2.2
7.2.2.1
7.2.2.2
7.2.2.3
7.2.2.4
7.2.2.5
7.2.2.6
7.2.2.7
7.2.2.8
7.2.2.9
7.2.2.10
7.2.3
7.2.3.1
7.2.3.2
7.2.3.3
7.2.4
7.2.4.1
7.2.4.2
7.2.4.2.1
7.2.4.2.2
7.2.4.2.3
7.2.4.2.4
7.2.4.2.5
7.2.4.2.6
7.2.4.2.7
Return Link ............................................................................................................................................ 85
Return Link Logical Link Control .................................................................................................................... 86
SDU Transport in the Return Link .............................................................................................................. 86
Maximum Transfer Unit for an SDU in the Return Link ............................................................................ 87
Return Link Medium Access Control ............................................................................................................... 87
The Addressed Link PDU (ALPDU) .......................................................................................................... 87
Addressed Link PDU Format and Syntax ............................................................................................. 87
compressed_protocol_type Field ..................................................................................................... 88
protocol_type Field ................................................................................................................. 89
alpdu_label_byte Field (optional) ........................................................................................ 89
sdu_byte Field ............................................................................................................................. 90
fragmenting_aldpdu .............................................................................................................. 90
sequence_number Field ............................................................................................................ 90
alpdu_crc Field (optional) .......................................................................................................... 90
The ALPDU Label ................................................................................................................................ 90
Identifying the Transmission Resources for the ALPDU ...................................................................... 91
Mapping the ALPDU to Available Payload .......................................................................................... 91
Forwarding the ALPDU in One Payload-adapted PDU .................................................................. 91
Forwarding the ALPDU Using Several Payload-adapted PDUs ..................................................... 91
Integrity Protection of a Fragmented ALPDU ................................................................................. 91
Multiplexing Payload-adapted PDUs used for Different ALPDUs ................................................. 91
The Payload-adapted PDU (PPDU) ............................................................................................................ 92
start_indicator and end_indicator Fields ............................................................................................... 93
ppdu_length Field ........................................................................................................................... 93
fragment_id Field ........................................................................................................................... 94
alpdu_label_type Field .......................................................................................................................... 94
protocol_type_suppressed Field ............................................................................................................ 94
ppdu_label_byte Field (optional) ................................................................................................. 94
use_alpdu_crc Field ...................................................................................................................... 94
total_length Field ......................................................................................................................... 95
alpdu_byte Field.............................................................................................................................. 95
The PPDU Label (optional)................................................................................................................... 95
The Frame PDU .......................................................................................................................................... 95
Context Differentiation of the Frame PDU ........................................................................................... 95
The Frame PDU Format and Syntax ..................................................................................................... 96
The Payload Label................................................................................................................................. 97
Lower Layer Addressing by the RCST ....................................................................................................... 98
Addresses used for Lower Layer Signalling towards NCC ................................................................... 98
Lower Layer Addressing of SDUs ........................................................................................................ 98
Explicit SVN tag in ALPDU ........................................................................................................... 98
Implicit ALPDU Source/Destination Addresses ............................................................................. 98
Implicit PPDU Source/Destination Addresses ................................................................................ 98
Implicit Frame PDU Source/Destination Addresses........................................................................ 99
Explicit ALPDU Source/Destination Address ................................................................................. 99
Explicit PPDU Source/Destination Addresses (option) ................................................................... 99
Explicit Frame PDU Destination Address (option) ......................................................................... 99
ETSI
7.2.4.2.8
7.2.4.3
7.2.5
7.2.5.1
7.2.5.1.1
7.2.5.1.2
7.2.5.1.3
7.2.5.2
7.2.5.2.1
7.2.5.2.2
7.2.5.3
7.2.6
7.2.6.1
7.2.6.1.1
7.2.6.1.2
7.2.6.1.3
7.2.6.1.4
7.2.6.2
7.2.6.3
7.2.6.3.1
7.2.6.3.2
7.2.6.3.3
7.2.6.3.4
7.2.7
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.5.1
7.3.5.1.1
7.3.5.1.2
7.3.5.1.3
7.3.5.2
7.3.5.2.1
7.3.5.2.2
7.3.5.2.3
7.3.6
7.3.6.1
7.3.6.2
7.3.7
7.3.7.1
7.3.7.1.1
7.3.7.1.2
7.3.7.1.3
7.3.7.1.4
7.3.7.2
7.3.7.2.1
7.3.7.2.2
7.3.7.2.3
7.3.8
7.3.9
7.3.9.1
7.3.9.2
7.3.9.3
7.4
7.5
7.5.1
7.5.1.1
7.5.1.2
7.5.1.3
6
ETSI EN 301 545-2 V1.1.1 (2012-01)
Explicit Frame PDU Source Address .............................................................................................. 99
Virtual Network Addressing ................................................................................................................. 99
Random Access .......................................................................................................................................... 99
Channels for Random Access ............................................................................................................... 99
Timeslots for Random Access Logon .............................................................................................. 99
Timeslots for Random Access Control (optional) ......................................................................... 100
Timeslots for Random Access User Traffic (optional) .................................................................. 100
Random Access Methods .................................................................................................................... 100
Slotted Aloha ................................................................................................................................. 100
CRDSA (optional) ......................................................................................................................... 100
Resources for contention ..................................................................................................................... 104
Dedicated access ....................................................................................................................................... 104
Channels for Dedicated access ............................................................................................................ 104
Timeslots Dedicated to an RCST and for Logon Burst ................................................................. 104
Timeslots Dedicated to an RCST and for Control Burst ............................................................... 104
Timeslots Dedicated to an RCST and for Traffic/Control Content ............................................... 104
Timeslots Dedicated to an RCST and for Traffic Content ............................................................ 104
Unsolicited Resources for Dedicated access ....................................................................................... 104
Solicitation for Resources for Dedicated access ................................................................................. 105
Volume Based Dynamic Capacity ................................................................................................. 105
Rate Based Dynamic Capacity (RBDC) ........................................................................................ 106
Requests per request class ............................................................................................................. 106
Limitation of the Requested Level of Resources ........................................................................... 106
Burst Time Plan Distribution .................................................................................................................... 106
Transmission Bursts ....................................................................................................................................... 107
Transmission Burst Content Type ............................................................................................................ 107
Burst Waveform ........................................................................................................................................ 107
Energy Dispersal ....................................................................................................................................... 108
Payload CRC ............................................................................................................................................ 108
Coding and Interleaving ............................................................................................................................ 109
The Turbo FEC Encoder for Linear Modulation ................................................................................. 109
Turbo Code Permutation ............................................................................................................... 110
Circulation of Initial State ............................................................................................................. 111
Rates and Puncturing Map ............................................................................................................. 111
Convolutional Encoder for CPM ......................................................................................................... 112
The FEC Encoder for CPM ........................................................................................................... 112
Trellis Termination ........................................................................................................................ 114
The Bit-interleaver for CPM .......................................................................................................... 114
Inclusion of Known Symbols.................................................................................................................... 115
Burst Construction for TC-LM ........................................................................................................... 115
Burst Construction for CC-CPM ......................................................................................................... 116
Modulation ................................................................................................................................................ 116
Linear Modulation of Burst ................................................................................................................. 117
Baseband Shape and Group Delay ................................................................................................ 117
Preamble and Post-amble Symbols ............................................................................................... 117
Pilot Block Symbols ...................................................................................................................... 117
Payload Symbols ........................................................................................................................... 117
Continuous Phase Modulation of Burst............................................................................................... 120
Continuous Phase Modulation Signal and Pulse Shaping ............................................................. 120
Continuous Phase Modulation Bit to Symbol Mapping ................................................................ 121
Phase Trellis Termination .............................................................................................................. 121
Burst Transmission Power Envelope ........................................................................................................ 122
Transmission Burst Timing ...................................................................................................................... 124
Burst Transmission Start Accuracy ..................................................................................................... 124
Symbol Clock Accuracy ..................................................................................................................... 125
Carrier Accuracy ................................................................................................................................. 125
Burst Repetition .............................................................................................................................................. 125
The Return Link Structure (MF-TDMA) ....................................................................................................... 125
Segmentation of the Return Link Resources ............................................................................................. 125
Superframe .......................................................................................................................................... 125
Superframe Sequence .......................................................................................................................... 126
Frame .................................................................................................................................................. 127
ETSI
7
ETSI EN 301 545-2 V1.1.1 (2012-01)
7.5.1.4
7.5.2
7.5.3
7.5.4
7.6
Timeslot .............................................................................................................................................. 128
Guard time ................................................................................................................................................ 128
The Dynamic MF-TDMA Transmission Channel .................................................................................... 129
The Frequency Range of the Dynamic Transmission Channel ................................................................. 130
Return Link TDM ........................................................................................................................................... 130
8
8.1
8.2
8.2.1
8.2.2
8.3
8.3.1
8.3.2
8.3.3
8.3.4
Return Link L2S ................................................................................................................................... 130
Transport of the Logon PDU .......................................................................................................................... 130
Transport of the Control PDU ........................................................................................................................ 130
Transport of Control PDU in Control Burst .............................................................................................. 130
Transport of Control PDU multiplexed with higher layer PDUs .............................................................. 130
Syntax and Coding of RL Signals for L2S ..................................................................................................... 131
Logon PDU content .................................................................................................................................. 131
Control PDU Content................................................................................................................................ 134
CSC Burst Issued by RCST ...................................................................................................................... 138
Transmission of Return Link L2S Data Structures ................................................................................... 139
9
9.1
9.1.1
9.1.2
9.1.3
9.2
9.2.1
9.2.2
9.2.3
9.2.3.1
9.2.3.2
9.2.3.3
9.2.4
9.2.5
9.2.6
9.2.7
9.3
9.4
9.4.1
9.4.2
9.4.3
9.4.4
9.4.5
9.4.6
9.4.7
9.4.8
9.4.9
9.4.10
9.5
9.6
9.7
9.7.1
9.7.1.1
9.7.1.2
9.7.2
9.7.2.1
9.7.3
9.7.3.1
9.7.3.2
9.8
9.9
9.9.1
9.9.2
9.9.3
9.9.4
M&C Functions Supported by L2S ...................................................................................................... 139
Connecting the Forward Link ......................................................................................................................... 140
Acquisition of the Forward Link Signalling ............................................................................................. 140
Acquisition of Multiple Forward Link Streams (optional) ....................................................................... 141
Acquisition of Multiple Forward Link TDMs (optional) .......................................................................... 141
Connecting the Return Link ........................................................................................................................... 141
Return Link States and State Transitions .................................................................................................. 142
Initialise for Logon Procedure .................................................................................................................. 145
Lower Layer Logon Procedure ................................................................................................................. 146
Basic Logon Procedure ....................................................................................................................... 146
Logon via Dynamically Allocated Logon Timeslots .......................................................................... 148
Logon with Support for Large Timing Uncertainty ............................................................................ 148
Acquiring the Superframe Sequence for Operation .................................................................................. 149
TDMA Synchronization Procedure .......................................................................................................... 149
Synchronization Monitoring Process ........................................................................................................ 150
Logoff Procedures .................................................................................................................................... 150
Protocol Type Support .................................................................................................................................... 151
Interactive Network Entry .............................................................................................................................. 151
Entry Type Indication ............................................................................................................................... 151
Alignment Status ...................................................................................................................................... 151
Subscription Status ................................................................................................................................... 151
Higher Layers Initialization Status ........................................................................................................... 152
Commissioning Status .............................................................................................................................. 152
Lower Layer Capabilities .......................................................................................................................... 152
Higher Layer Capabilities ......................................................................................................................... 152
Providing the unicast RCS-MAC Addresses for the Higher Layers ......................................................... 153
Lower Layer Service Assignment ............................................................................................................. 153
Initialization of the Higher Layers ............................................................................................................ 153
Return Link Timeslot Grid Control ................................................................................................................ 154
Timeslot Access Method Control ................................................................................................................... 154
Random Access Load Control ........................................................................................................................ 154
Contention Control for Logon Timeslots .................................................................................................. 154
Stationary RA Load Control for Logon .............................................................................................. 154
Dynamic RA Load Control for Logon ................................................................................................ 155
Contention Control for Control Timeslots (optional) ............................................................................... 155
Stationary RA Load Control for Control Signals ................................................................................ 155
Contention Control for Traffic Timeslots ................................................................................................. 155
Stationary RA Load Control for Traffic .............................................................................................. 155
Dynamic RA Load Control for Traffic................................................................................................ 156
Forward Link Feeder MODCOD Control ...................................................................................................... 157
Control of RCST Transmission Characteristics ............................................................................................. 157
EIRP Control ............................................................................................................................................ 157
Transmission Duration Control................................................................................................................. 158
Symbol Rate Control ................................................................................................................................ 158
Return Link MODCOD Control ............................................................................................................... 158
ETSI
9.9.5
9.9.5.1
9.9.5.2
9.9.5.3
9.9.6
9.10
9.10.1
9.10.2
9.10.3
9.10.4
9.10.5
9.11
9.12
9.12.1
9.12.2
9.12.3
9.12.4
9.12.5
9.12.6
9.12.7
9.12.8
9.13
9.14
8
ETSI EN 301 545-2 V1.1.1 (2012-01)
Waveform Configuration Control ............................................................................................................. 158
Configuring the Waveform for TC-LM .............................................................................................. 159
Configuring the Waveform for CC-CPM ............................................................................................ 159
Configuring the waveform for CRDSA TC-LM (optional) ................................................................ 159
Contention Diversity Transmission Control (optional) ............................................................................. 160
Frame Payload Format Control ...................................................................................................................... 160
Payload Content Type Control.................................................................................................................. 160
Frame Payload Format Differentiation ..................................................................................................... 161
Frame Payload Format Control ................................................................................................................. 161
ALPDU Label Format Control ................................................................................................................. 162
SDU Protocol Type Field Control ............................................................................................................ 162
Return Link Status Supervision ...................................................................................................................... 162
Remote Control of the RCST ......................................................................................................................... 162
Log Off ..................................................................................................................................................... 162
Hold Transmission .................................................................................................................................... 162
Wakeup ..................................................................................................................................................... 163
Remote Echo ............................................................................................................................................. 163
SNMP Set to Remote (optional) ............................................................................................................... 163
CLI Instruction to Remote (optional) ....................................................................................................... 163
Network Failure and Recovery ................................................................................................................. 163
Rain Fade Indications ............................................................................................................................... 163
Control of the MTU ........................................................................................................................................ 163
Pointing Alignment Support ........................................................................................................................... 164
10 Mobile Terminal Operation (optional) ................................................................................................. 165
11
Security................................................................................................................................................. 165
Annex A (normative):
Reference waveforms ................................................................................... 166
Annex B (normative):
Interleaver Permutations for CC-CPM ..................................................... 171
Annex C (normative):
CPM Phase response samples ..................................................................... 191
Annex D (informative):
Bibliography ................................................................................................. 193
History ............................................................................................................................................................ 195
ETSI
相关推荐
2023年江西萍乡中考道德与法治真题及答案.doc
2012年重庆南川中考生物真题及答案.doc
2013年江西师范大学地理学综合及文艺理论基础考研真题.doc
2020年四川甘孜小升初语文真题及答案I卷.doc
2020年注册岩土工程师专业基础考试真题及答案.doc
2023-2024学年福建省厦门市九年级上学期数学月考试题及答案.doc
2021-2022学年辽宁省沈阳市大东区九年级上学期语文期末试题及答案.doc
2022-2023学年北京东城区初三第一学期物理期末试卷及答案.doc
2018上半年江西教师资格初中地理学科知识与教学能力真题及答案.doc
2012年河北国家公务员申论考试真题及答案-省级.doc
2020-2021学年江苏省扬州市江都区邵樊片九年级上学期数学第一次质量检测试题及答案.doc
2022下半年黑龙江教师资格证中学综合素质真题及答案.doc
