1 TR V1.4.1 ( ) Technical Report Digital Video roadcasting (DV); Interaction channel for Satellite Distribution Systems; Guidelines for the use of EN European roadcasting Union Union Européenne de Radio-Télévision EU UER
2 2 TR V1.4.1 ( ) Reference RTR/JTC-DV-239 Keywords broadcast, digital, DV, satellite, TV 650 Route des Lucioles F Sophia ntipolis Cedex - FRNCE Tel.: Fax: Siret N NF 742 C ssociation 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: 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 printers of the PDF version kept on a specific network drive within 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 documents is available at If you find errors in the present document, please send your comment to one of the following services: 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 European roadcasting Union ll rights reserved. DECT TM, PLUGTESTS TM, UMTS TM, TIPHON TM, the TIPHON logo and the logo are Trade Marks of registered for the benefit of its Members. 3GPP TM is a Trade Mark of registered for the benefit of its Members and of the 3GPP Organizational Partners. LTE is a Trade Mark of currently being registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM ssociation.
3 3 TR V1.4.1 ( ) Contents Intellectual Property Rights...9 Foreword...10 Introduction Scope References Normative references Informative references Definitions, symbols and abbreviations Definitions Symbols bbreviations Reference models rchitecture with co-located NCC, Gateway and Feeder rchitecture with multiple feeders rchitecture with transparent mesh connectivity rchitecture with regenerative satellites On board switching requirements RSMS Network rchitecture Forward link ssignment and selection of FL elementary streams Specific use of FL tables and formats FL service specification in PMT Optional use of SDT ssumptions concerning IP encapsulation pplicability of SI Tables in RSMS systems Return link RCST synchronization RCST internal delay compensation NCR interpretation for DV-S DV-S2 TX implementation aspects DV-S2 RX implementation aspects VCM/CM aspects and Multiple TS aspects Combining TS and GS urst format Contention access cquisition ursts Determination of the implicit number of MPEG2 packets in a burst pplication of MPE in the return link Randomization for energy dispersal Coding CRC error detection code CRC coding example Reed Solomon outer coding Convolutional inner coding Turbo code General principles of coding and decoding Puncturing examples for DV-RCS Turbo Code Implementation trade-offs Implementation feasibility Preferred coding combinations Concatenated coding scheme Turbo coded systems...42
4 4 TR V1.4.1 ( ) 6.5 Modulation URST-TO-URST interference control Control of EIRP, OO and interference to adjacent channels MC messages Methods based on the Satellite ccess Control (SC) field SC field composition Data Unit Labelling Method (DULM) Multiple access Example for segmentation of return link capacity TM traffic time slots Optional MPEG traffic time slots Capacity categories Request Classes and DS ehaviour ggregates Request Classes and Capacity Categories Request Classes and dmission Control Guidelines for the Capacity Categories Continuous Rate ssignment Rate-ased Dynamic Capacity Volume-ased Dynamic Capacity bsolute Volume ased Dynamic Capacity Queuing and packet dispatching strategy Guidelines for DS-compliant queueing and dispatching two-stage traffic queueing DS architecture Guidelines for the requesting strategy od queue synchronization method ssignment/allocation Procedure for contention resolution Synchronization procedures Overall events sequencing Initial synchronization procedure Logon procedure Multiple correction message descriptors in TIM Coarse synchronization procedure (optional) Fine synchronization procedure (optional) Synchronization maintenance procedure Logoff procedure Control and management Protocol stack Transparent system Regenerative system RCST addressing Forward link signalling Repetition rates DV RCS SI table updates Logon response TIM Multicast Mapping Table MMT for MPE MMT for VC-MUX Other FL messages for network management (optional) Return Link Signalling Typically use of Return Link Signalling On board processing of Return Link Signalling Other RL messages for network management (optional) Coding of SI for forward link signalling Table definition Timeslot Composition Table (TCT) Terminal urst Time Plan (TTP) DSM-CC Private Section Header SNMP (optional) Security, identity and encryption...65
5 5 TR V1.4.1 ( ) 10 RCST implementation guidelines rchitecture System performance RF/IF performance Code performance in an WGN channel Concatenated coding performance Turbo code performance Interfaces RX IFL TX IFL ODU control signal Concept of the 22 khz Pulse Width Keying (PWK) us Control functions from the IDU Monitoring functions (from ODU on request) Control and Monitoring protocol description ODU environmental conditions Operational environment Survival conditions User network guidelines RCST interaction with cable and non-transparent SMTV Transparent SMTV Interactive "one cable" SMTV-IF installation Interactive "multiswitches equipped" SMTV-IF installation RCST interaction with local area networks RCST interaction with In-Home Digital Network...84 nnex : Examples of incorporation of satellite based return channel into a digital television platform...85 nnex : RCST IDU/ODU IFL protocol description Command and request processing larms Dynamic behaviour Error recovery mechanism Message level description Framing field description ddress field description Command field description (IDU ODU) Password (optional) Extended message format Extended messages for commands (IDU ODU) Simplified structure for short fixed length extended messages (IDU ODU) Extended messages for replies (ODU IDU) CRC definition General implementation of functions Reset status and parameter request ODU reset (0x0) (optional) ODU Status (0x12) aa byte status description: larms bb byte status description: ODU state cc byte status description: Reserved for future use ODU Identification (0x54, 0x55, 0x56, 0xD5) Operational commands SSP ON (0xC6) SSP OFF (0xC7) Transmitter disable (0xCE) Transmitter enable (0xCF) Set Power level (0xC8) (optional)...98
6 6 TR V1.4.1 ( ) Mod ON (0xC9) (optional) Mod OFF (0xC) (optional) Set Rx Freq(0xD7) (optional) Set eacon Freq(0xD8) (optional) Set Tx Freq(0xD9) (optional) Set Satellite_ID(0xD) (optional) Track OFF(0xD) (optional) Track ON(0xDC) (optional) Download commands Download start (0xC1) (optional) Download data (0xC2) (optional) Download abort (0xC3) (optional) Download validate (0xC4) (optional) Download toggle (0xC5) (optional) Password commands (optional) Change password (0xC) (optional) Validate password (0xCC) (optional) Reset ODU locked (0xCD) (optional) Other functions (optional) ODU calibration table (0xD0) (optional) ODU measured temperature (0xD1) (optional) ODU output power level (0xD2) (optional) ODU location (0xD3) (optional) Set ODU location (0xD4) (optional) Command compatibility when SSP ON Use of extended message structures nnex C: Link budgets C.1 EIRP realization: implementation example C.2 DV-RCS return link-budget nnex D: Deriving E b /N 0 from E S /N 0 - an example D.1 Reed-Solomon/Convolutional Codes D.2 Turbo Codes nnex E: nnex F: Example of used frequency bands MI definition nnex G: Example for a security and authentication concept G.1 User authentication using RDIUS G.1.1 User authentication process G.1.2 User authentication message flow and steps G User authentication accept message flow and steps G User authentication reject message flow and steps G User authentication service provider challenge message flow and steps G.1.3 User authentication message format G ccess_request for user G ccess_ Reject G ccess_ ccept G.1.4 User uthentication Table G.1.5 CHP password crypto engine G.2 IPSec solution and definition G.2.1 S negotiation and secure tunnel setup G.2.2 RCST S re-negotiation G.2.3 RCST Wake Up S negotiation G RCST interfaces G.2.4 Redundancy...126
7 7 TR V1.4.1 ( ) G.3 RCST security requirements G.3.1 rchitecture overview G.3.2 Protection against violation G.3.3 Containment of violation G.3.4 Recovery from violation nnex H: Void nnex I: Example for procedures and operations providing additional functionality I.1 RCST software download I.2 Installation and commissioning I.3 RCST system processes I.3.1 RCST Power On I.3.2 RCST Reset I.3.3 RCST Login I.3.4 RCST Re-login I.3.5 RCST Logoff I.3.6 RCST Wake Up I Traffic initiated RCST Wake Up I OM RCST Wake Up I.3.7 RCST Disable I.3.8 RCST Enable I.3.9 User Login I.3.10 User Logoff I.4 State transition processes I.4.1 Name of transition in state machine I.4.2 RCST operations state machine I Forward Link cquisition I OM cquisition I Traffic cquisition I Traffic Release I OM Release I Return Link Release I Return Link Disable I Return Link Enable I.4.3 RCST configurations state machine I Encryption I Phase 1 S cquisition I Phase 2 S cquisition I Phase 2 S Release I Phase 1 S Release I Full Encrypt Release I Full Encrypt and Negotiate Release I Phase 2 S Re-negotiation I Phase 2 S Renewed I RCST transmission I Transmission Enable I Transmission Disable I User authentication state machine I Normal user login to RCST I Static user login to RCST I RCST Re-login to NCC I uthentication successful I uthentication failure - normal user I Static user authentication failure I Logoff from RCST - Not authenticated I Logoff from RCST - authentication requested I Logoff from RCST - authenticated I RCST transition to INITILIZED state...148
8 8 TR V1.4.1 ( ) I.5 RCST Power Control I.6 Multicast Handling I.6.1 Invoking a Multicast Session from RCST-side I.6.2 Revoking a Multicast Session from RCST-side I.6.3 Multicast Source Transmission nnex J: Example Connection Control Protocol nnex K: Example information exchange method between OP and NCC for RSMS systems..152 nnex L: pplicability of DV-RCS to mobile services L.1 Introduction L.2 pplicability of DV-RCS forward and return synchronisation L.2.1 Doppler shift and time drift L.2.2 Forward Link Synchronisation L NCR-based synchronization L Impact of Doppler shift and delay variation on physical layer synchronisation L.2.3 Return link physical layer synchronization L Frequency accuracy L Frequency and timing drift within the burst L.2.4 Time ccuracy L Synchronization acquisition L Synchronization maintenance L.2.5 DV-RCS synchronisation in mobile environments: Examples L.3 Frequency ranges and regulatory constraints envelope L.3.1 Regulatory constraints applicable to the Ku-band allocations L Off-axis EIRP limits L Particular constraints applicable to MMSS L Particular constraints applicable to MSS L Illustration of the impact of the off-axis EIRP constraint: L.3.2 Regulatory constraints applicable to the Ka-band allocations L.4 DV-RCS coverage of mobility management L.4.1 ccess to forward link signalling L.4.2 Handover detection and preparation L.4.3 Handover execution and associated signalling L.5 dditional considerations for mobile applications L.5.1 Signalling table transmission in mobile environments - practical case of TTP L.5.2 Consideration for mobile antenna in mobile environment nnex M: ibliography History...176
9 9 TR V1.4.1 ( ) Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to. The information pertaining to these essential IPRs, if any, is publicly available for members and non-members, and can be found in SR : "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to in respect of standards", which is available from the Secretariat. Latest updates are available on the Web server (http://webapp.etsi.org/ipr/home.asp). Pursuant to the IPR Policy, no investigation, including IPR searches, has been carried out by. No guarantee can be given as to the existence of other IPRs not referenced in SR (or the updates on the Web server) which are, or may be, or may become, essential to the present document. The attention of has been drawn to the Intellectual Property Rights (IPRs) listed below which are, or may be, or may become, Essential to the present document. The IPR owner has undertaken to grant irrevocable licences, on fair, reasonable and non-discriminatory terms and conditions under these IPRs pursuant to the IPR Policy. Further details pertaining to these IPRs can be obtained directly from the IPR owner. The present IPR information has been submitted to and pursuant to the IPR Policy, no investigation, including IPR searches, has been carried out by. No guarantee can be given as to the existence of other IPRs not referenced in SR (or the updates on the Web server) which are, or may be, or may become, essential to the present document. IPRs: Project Company Title Country of Registration pplication n Countries pplicable DV-RCS SES-STR pparatus and method for European Patent Office PCT/EP00/01037 WO generating a carrier frequency DV-RCS SES-STR pparatus and method for European Patent Office EP EP generating a carrier frequency DV-RCS SES-STR pparatus and method for generating a carrier frequency European Patent Office HK HK IPR Owner: Contact: Société Européenne des Satellites S.. (SES-STR) L-6815 Château de etzdorf Luxembourg Mr. Martin Halliwell Director of Communications Technology Department Tel: Fax:
10 10 TR V1.4.1 ( ) Foreword This Technical Report (TR) has been produced by Joint Technical Committee (JTC) roadcast of the European roadcasting Union (EU), Comité Européen de Normalisation ELECtrotechnique (CENELEC) and the European Telecommunications Standards Institute (). NOTE: The EU/ JTC roadcast was established in 1990 to co-ordinate the drafting of standards in the specific field of broadcasting and related fields. Since 1995 the JTC roadcast became a tripartite body by including in the Memorandum of Understanding also CENELEC, which is responsible for the standardization of radio and television receivers. The EU is a professional association of broadcasting organizations whose work includes the co-ordination of its members' activities in the technical, legal, programme-making and programme-exchange domains. The EU has active members in about 60 countries in the European broadcasting area; its headquarters is in Geneva. European roadcasting Union CH-1218 GRND SCONNEX (Geneva) Switzerland Tel: Fax: Founded in September 1993, the DV Project is a market-led consortium of public and private sector organizations in the television industry. Its aim is to establish the framework for the introduction of MPEG-2 based digital television services. Now comprising over 200 organizations from more than 25 countries around the world, DV fosters market-led systems, which meet the real needs, and economic circumstances, of the consumer electronics and the broadcast industry. Introduction The present document gives guidelines for the implementation of Digital Video roadcasting (DV) interaction channel for Satellite Distribution System (also known as DV-RCS: DV Return Channel via Satellite). The present document describes the DV-RCS specification for geostationary satellite interactive system [i.2]. It draws attention to the technical questions that need to be answered in setting up a DV-RCS network and offers some guidance in finding answers to them. Outline of the present document The present document provides some examples of implementation details related either with the physical (e.g. guard times, preambles, code performance, typical frames, link budget) or the medium access control (e.g. use of capacity request categories) layers. The present document also provides extensive details about Return Channel Satellite Terminal (RCST) implementation guidelines. For example: The interface between the RCST indoor unit (IDU) and outdoor unit (ODU) is described. The optional Simple Network Management Protocol (SNMP) Management Information ase (MI) is provided. The interaction with SMTV, LN and IHDN are considered. Examples of incorporation of DV-RCS into an existing digital television platform as well as typical DV-RCS networks are also addressed. The present document also covers the extension to systems based on regenerative satellites (see [i.32]), as defined in [i.2]. The revision accomplished in 2004 integrates the DV-S2 standard for forward link transmission.
11 11 TR V1.4.1 ( ) The revision accomplished in 2008 distinguishes these guidelines from the guidelines for the implementation of the optional mobile use enhancements specified in [i.2], as given in [i.6], and updates the implementation guidelines for fixed use as well.
12 12 TR V1.4.1 ( ) 1 Scope The present document should be read in conjunction with the normative document [i.2] in order to assist network operators, systems integrators, and equipment manufacturers in the realization of satellite based interactive services. The present document should be interpreted as recommendations or good practices but not as mandatory requirements. It is anticipated however that future procurement documents may reference elements of the present document as part of their system specification. The present document is applicable to satellite systems as defined in [i.2]. In such a system the RCSTs receive a Forward Link signal based on the DV-S [i.1] or DV-S2 [i.38] specifications. In a non-regenerative system, the Return Link signal transmitted from the RCST is received by one or more Gateways, which also interact with the NCC. In regenerative systems as well as in transparent mesh systems, it can be possible to also have direct RCST-to-RCST communications. The system as defined in [i.2] may be used in all frequency bands allocated to FSS or SS services, and the first expected implementations are in the bands listed in annex E. Information concerning the most relevant international regulations and recommendations (ITU,, DV, etc.) which could be applicable to the DV-RCS terminals is included in clause 2. The present document, as well as the normative document [i.2], cover two RCST profiles: Type, which is able to support IP services only. This type of terminal supports two types of data encapsulation, based on TM or MPEG2. Type, which is able to operate as RCST Type and also to support native TM protocols by encapsulating TM cells within an MPEG2 Transport Stream on the forward link. The present document should not be used to justify the fulfilment of the essential requirements under article 3.2 of the R&TTE Directive [i.33]. Requirements for ElectroMagnetic Compatibility (EMC) under article 3.1b of the R&TTE Directive [i.33] are given in EN [i.30] or EN [i.31]. Harmful interference is limited by requiring a minimum set of Control and Monitoring Functions (CMF) as well as specifying limits for on-axis radiation, off-axis spurious radiation, carrier suppression, off-axis EIRP emission density and pointing accuracy. These specifications are in general depending on the transmit frequency. For system transmitting at Ku band frequencies EN [i.9] applies. Limits for Ka band systems are given in EN [i.8]. Within the constraints of the above clause, there are a number of parameters that need to be declared by manufacturers and network operators for interoperability, including: ll parameters defined in the CSC burst. Frequency plan, including frequency bands, of forward and return links. Range of symbol rate on forward and return link. Transmit and receive RF characteristics of the RCST, including at least: EIRP capability, frequency hopping capability, uplink power control capability, isolation between Tx and Rx and G/T. 2 References References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For a specific reference, subsequent revisions do not apply. Non-specific reference may be made only to a complete document or a part thereof and only in the following cases: - if it is accepted that it will be possible to use all future changes of the referenced document for the purposes of the referring document;
13 13 TR V1.4.1 ( ) - for informative references. Referenced documents which are not found to be publicly available in the expected location might be found at NOTE: While any hyperlinks included in this clause were valid at the time of publication cannot guarantee their long term validity. 2.1 Normative references The following referenced documents are indispensable for the application of the present document. For dated references, only the edition cited applies. For non-specific references, the latest edition of the referenced document (including any amendments) applies. Not applicable. 2.2 Informative references The following referenced documents are not essential to the use of the present document but they assist the user with regard to a particular subject area. For non-specific references, the latest version of the referenced document (including any amendments) applies. [i.1] [i.2] [i.3] [i.4] NOTE: EN : "Digital Video roadcasting (DV); Framing structure, channel coding and modulation for 11/12 GHz satellite services". EN : "Digital Video roadcasting (DV); Interaction channel for Satellite Distribution Systems". IEEE Trans. Information Technology IT-20: "Optimal decoding of linear codes for minimizing symbol error rate", L.R. ahl, J. Cocke, F. Jelinek, J. Raviv, pp , March Kluwer cademic Publishers, Dordrecht, 1999C: "Turbo coding", Heegard and S.. Wicker. vailable at [i.5] IETF RFC 2684: "Multiprotocol Encapsulation over TM daptation Layer 5". [i.6] [i.7] [i.8] [i.9] [i.10] [i.11] [i.12] [i.13] IETF RFC 1901: "Introduction to Community-based SNMPv2". IETF RFC 2865: "Remote uthentication Dial In User Service (RDIUS)". EN : "Satellite Earth Stations and Systems (SES); Harmonized EN for Satellite Interactive Terminals (SIT) and Satellite User Terminals (SUT) transmitting towards satellites in geostationary orbit in the 29,5 GHz to 30,0 GHz frequency bands covering essential requirements under article 3.2 of the R&TTE Directive". EN : "Satellite Earth Stations and Systems (SES); Harmonized EN for Very Small perture Terminal (VST); Transmit-only, transmit/receive or receive-only satellite earth stations operating in the 11/12/14 GHz frequency bands covering essential requirements under article 3.2 of the R&TTE directive". IEEE (2000): "IEEE Standard for Information technology - Local and metropolitan area networks - Part 3: Carrier sense multiple access with collision detection (CSM/CD) access method and physical layer specifications". CENELEC EN series: "Cable networks for television signals, sound signals and interactive services". CENELEC EN : "Interconnections of satellite receiving equipment - Part 1: Europe". ES : "Digital Video roadcasting (DV); DV interaction channel for Cable TV distribution systems (CTV)".
14 14 TR V1.4.1 ( ) [i.14] [i.15] [i.16] [i.17] [i.18] [i.19] [i.20] [i.21] [i.22] [i.23] [i.24] [i.25] [i.26] [i.27] [i.28] [i.29] [i.30] [i.31] [i.32] [i.33] [i.34] TR : "Digital Video roadcasting (DV); Interaction channel for Cable TV distribution systems (CTV); Guidelines for the use of ETS ". TR : "Digital Video roadcasting (DV); Interaction channel for Satellite Master ntenna TV (SMTV) distribution systems; Guidelines for versions based on satellite and coaxial sections". TR : "Digital Video roadcasting (DV); Guidelines for the handling of synchronous Transfer Mode (TM) signals in DV systems". TS : "Digital Video roadcasting (DV); Home ccess Network (HN) with an active Network Termination (NT)". DiSEqC us Specification, Version 4.2, EUTELST: "DiSEqC us Specification". IETF RFC 2579: "Textual Conventions for SMIv2". IETF RFC 1321: "The MD5 Message-Digest lgorithm". IETF RFC 2401: "Security rchitecture for the Internet Protocol". IETF RFC 1112: "Host extensions for IP multicasting". IETF RFC 1701: "Generic Routing Encapsulation (GRE)". IETF RFC 1702: "Generic Routing Encapsulation over IPv4 networks". IETF RFC 3416, STD 62, December 2002: "Version 2 of the Protocol Operations for the Simple Network Management Protocol (SNMP)". CEPT/ERC/DEC(00)03: "ERC Decision of 27 March 2000 on Exemption from Individual Licensing of Satellite Interactive Terminals (SITs) operating within the Frequency ands GHz space-to-earth and GHz Earth-to-Space". CEPT/ERC/DEC(00)04: "ERC Decision of 27 March 2000 on Exemption from Individual Licensing of Satellite User Terminals (SUTs) operating within the Frequency ands GHz space-to-earth and GHz Earth-to-space". CEPT/ERC/DEC(00)05: "ERC Decision of 27 March 2000 on Exemption from Individual Licensing of Very Small perture Terminals (VST) operating in the frequency bands GHz Earth-to-space and GHz space-to-earth". IETF RFC 1213: "Management Information ase for Network Management of TCP/IP-based internets: MI-II". EN : "Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for Very Small perture Terminal (VST), Satellite News Gathering (SNG), Satellite Interactive Terminals (SIT) and Satellite User Terminals (SUT) Earth Stations operated in the frequency ranges between 4 GHz and 30 GHz in the Fixed Satellite Service (FSS)". EN : "Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 12: Specific conditions for Very Small perture Terminal, Satellite Interactive Earth Stations operated in the frequency ranges between 4 GHz and 30 GHz in the Fixed Satellite Service (FSS)". ESTEC Working Paper 2129: "Harmonization of Terminals for Regenerative Satellite Multimedia Systems (HG-RST Final report)", January Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity (R&TTE Directive). EN : "Digital Video roadcasting (DV); DV specification for data broadcasting".
15 15 TR V1.4.1 ( ) [i.35] [i.36] [i.37] [i.38] [i.39] [i.40] [i.41] [i.42] [i.43] [i.44] [i.45] [i.46] [i.47] [i.48] [i.49] [i.50] [i.51] [i.52] NOTE: [i.53] [i.54] EN : "Digital Video roadcasting (DV); Specification for Service Information (SI) in DV systems". ITU-T Recommendation I.363-5: "-ISDN TM daptation Layer specification: Type 5 L -ISDN TM daptation Layer specification: Type 5 L". NSI/IEEE Standard 754 (1985): "IEEE Standard for inary Floating-Point rithmetic". EN : "Digital Video roadcasting (DV); Second generation framing structure, channel coding and modulation systems for roadcasting, Interactive Services, News Gathering and other broadband satellite applications". TS : "Digital Video roadcasting (DV); Specification for System Software Update in DV Systems". ITU-R Radio Regulations. EN : "Satellite Earth Stations and Systems (SES); Harmonized EN for Low data rate Mobile satellite Earth Stations (MESs) except aeronautical mobile satellite earth stations, operating in the 11/12/14 GHz frequency bands covering essential requirements under article 3.2 of the R&TTE directive". EN : "Satellite Earth Stations and Systems (SES); Harmonized EN for satellite mobile ircraft Earth Stations (ESs) operating in the 11/12/14 GHz frequency bands covering essential requirements under article 3.2 of the R&TTE Directive". ITU-R Recommendation S.728-1: "Maximum permissible level of off-axis e.i.r.p. density from very small aperture terminals (VSTs)". ITU-R Recommendation M.1643: "Technical and operational requirements for aircraft earth stations of aeronautical mobile-satellite service including those using fixed-satellite service network transponders in the band GHz (Earth-to-space)". EN : "Satellite Earth Stations and Systems (SES); Satellite User Terminals (SUT) using satellites in geostationary orbit operating in the 19,7 GHz to 20,2 GHz (space-to-earth) and 29,5 GHz to 30 GHz (earth-to-space) frequency bands". TS : "Satellite Earth Stations and Systems (SES); roadband Satellite Multimedia; Connection Control Protocol (C2P) for DV-RCS; Specifications". EN : "Satellite Earth Stations and Systems (SES); Harmonized EN for satellite Earth Stations on board Vessels (ESVs) operating in the 11/12/14 GHz frequency bands allocated to the Fixed Satellite Service (FSS) covering essential requirements under article 3.2 of the R&TTE directive". EN : "Satellite Earth Stations and Systems (SES); Harmonized EN for tracking Earth Stations on Trains (ESTs) operating in the 14/12 GHz frequency bands covering essential requirements under article 3.2 of the R&TTE directive". EN : "Satellite Earth Stations and Systems (SES); Harmonized EN for Vehicle- Mounted Earth Stations (VMES) operating in the 12/14 GHz frequency bands covering essential requirements under article 3.2 of the R&TTE directive". ISO/IEC (1996): "Information technology - Generic coding of moving pictures and associated audio information: Systems". ISO/IEC (1996): "Information technology - Generic coding of moving pictures and associated audio information - Part 6: Extensions for DSM-CC". Satlab: "SatLabs System Recommendations". vailable at IETF RFC 2475: "n rchitecture for Differentiated Services". IETF RFC 894: " Standard for the Transmission of IP Datagrams over Ethernet Networks".
16 16 TR V1.4.1 ( ) [i.55] [i.56] [i.57] [i.58] [i.59] [i.60] NOTE: [i.61] [i.62] [i.63] [i.64] TR , work in progress: "Digital Video roadcasting (DV); Interaction channel for Satellite Distribution Systems; Guidelines for the use of EN in mobile scenarios". IETF RFC 3418: "Management Information ase (MI) for the Simple Network Management Protocol (SNMP)". TS : "Digital Video roadcasting (DV); Generic Stream Encapsulation (GSE) Protocol". IETF RFC 791: "Internet Protocol". ETS : "Satellite Earth Stations and Systems (SES); Television Receive-Only (TVRO) satellite earth stations operating in the 11/12 GHz frequency bands". EUI-64: "Guidelines for 64-bit global identifier (EUI-64) registration authority". vailable at FCC PRT 25-STELLITE COMMUNICTIONS, : "lanket Licensing provisions for Earth Stations on Vessels (ESVs) receiving in the MHz (space-to-earth) frequency band and transmitting in the MHz (Earth-to-space) frequency band, operating with Geostationary Satellites in the Fixed-Satellite Service" : "lanket Licensing provisions for Earth Stations on Vessels (ESVs) receiving in the GHz (space-to-earth), GHz (space-to-earth), GHz (space-to-earth) frequency bands and transmitting in the GHz (Earth-to-space) frequency band, operating with Geostationary Satellites in the Fixed-Satellite Service". ETS : "Digital Video roadcasting (DV); Interaction channel for Cable TV distribution systems (CTV)". IEEE 1394: "IEEE Standard for High Performance Serial us ridges". FCC : "PROCEDURES TO GOVERN THE USE OF STELLITE ERTH STTIONS ON ORD VESSELS. Established licensing and service rules for Earth Stations on Vessels operating in the MHz", [i.65] WRC-03: "ITU World Radiocommunications Conference Definitions, symbols and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in [i.2] and the following apply: ssured Forwarding (F): PH group standardised by IETF ehavior ggregate (): DS behavior aggregate est Effort (E): PH standardised by IETF; typically the default PH in a system Differentiated Services (DS): term used by IETF for the scalable service differentiation applied in the Internet DS behavior aggregate: collection of IP packets with the same DS codepoint crossing a link in a particular direction DS codepoint (DSCP): specific value of the DSCP portion of the DS field of the IP header, used to select a PH DS domain: contiguous set of nodes which operate with a common set of service provisioning policies and PH definitions DS-compliant: enabled to support differentiated services functions and behaviors as described in [i.53] and other IETF DS documents Expedited Forwarding (EF): PH standardised by IETF; intended for delay and delay-jittter sensitive services
17 17 TR V1.4.1 ( ) Management Station (MS): network element that manages all the elements of the system of one satellite interactive network (IN) NOTE: It also controls the sessions, resources and connections of the ground terminals; it is composed of the NMC and the NCC. Maximum Transmission Unit (MTU): size of the largest packet that a network protocol can transmit Network Management Centre (NMC): network element in charge of the management of all the system elements in the IN On-oard Processor (OP): router or switch or multiplexer in the sky; it can decouple the uplink and downlink air interface formats (modulation, coding, framing, etc.) Per Hop ehavior (PH): externally observable packet forwarding behavior applied at a DS-compliant node to a DS behavior aggregate PH group: set of one or more PHs that can only be meaningfully specified and implemented simultaneously, due to a common constraint applying to all PHs in the set such as a queue servicing or queue management policy NOTE: PH group provides a service building block that allows a set of related forwarding behaviors to be specified together (e.g. four dropping priorities). single PH is a special case of a PH group. RC aggregate: aggregation of one or more DS behavior aggregates to a request class Regenerative Satellite Gateway (RSGW): network element in a regenerative satellite system that provides interconnection with terrestrial networks (Internet, ISDN/POTS and Intranet) Request Class (RC): classification of a capacity request conceptually tagged to every capacity request sent to the NCC od resource controller, and optionally also conceptually tagged to every assigned slot to support the RCST in associating the slot with the traffic aggregate associated with the corresponding capacity request RST: RCST with the optional additional capability to operate within a Regenerative Satellite Multimedia System as defined in EN [i.2] 3.2 Symbols For the purposes of the present document, the following symbols apply: Eb/N0 Es/N0 sym/s ksym/s Msym/s NOTE: The ratio between total power used for transmission divided by the number of information bits per second and the noise power density. nnex D gives an example of the measurement and calculation of Eb/N0 The ratio between the energy per transmitted symbol and the spectral density of noise and interference Symbol per second Kilosymbol per second (1 000 sym/s) Megasymbol per second ( sym/s) n errored packet is a decoded packet containing at least one bit in error. 3.3 bbreviations For the purposes of the present document, the abbreviations given in EN [i.2] and the following apply: R CK CM ES GC F MSS MT NT vailable it Rate CKnowledgement daptive Coding and Modulation ircraft Earth Station utomatic Gain Control ssured Forwarding eronautical Mobile Satellite Service ggregate Measurement Table NTenna subsystem
18 18 TR V1.4.1 ( ) SIC SN TM VDC WGN /VDC E ER od SS W C2P CR CHP CIDR CMOS CMT CR CRC CS CSC CSCT CSYNC D/L DC DS DSCP EF EIRP EN ERC EST ESV EUI FCT FEC FLS FPG/CPLD FS FSS GPS GRE GT HED HP HTTP HW IN IDU IETF IFL IGMP IHDN ISP JT LN LNE LEC LECS LES LHM pplication Specific Integrated Circuit bstract Syntax Notation synchronous Transfer Mode bsolute Volume ased Dynamic Capacity dditive White Gaussian Noise VDC and/or VDC ehavior ggregate est Effort it Error Ratio andwidth on Demand roadcast Satellite Service andwidth Connection Control Protocol Constant it Rate Challenge-Handshake uthentication Protocol Classless Inter Domain Routing Complementary Metal Oxide Semiconductor Correction Message Table Capacity Request Cyclic Redundancy Check Contention Slot Common Signalling Channel CSC Table Contention based SYNC DownLink Direct Current Differentiated Services DS CodePoint Expedited Forwarding Equivalent Isotropic Radiated Power European Norm The European Radio Communications committee Earth Station on Train Earth Station on Vessel Extended Unique Identifier Frame Composition Table Forward Error Correction Forrward Link System Field-Programmable Gate rray/complex Programmable Logic Device Fixed Service Fixed Satellite Service Global Positioning System Generic Routing Encapsulation Guard Time Head End Device High Power mplifier HyperText Transfer Protocol HardWare Internet ssigned Numbers uthority Indoor Unit Internet Engineering Task Force InterFacility Link Internet Group Management Protocol In-Home Digital Network Internet Service Provider Jitter Tolerant Local rea Network Local rea Network Emulation LN Emulation Client LN Emulation Configuration Server LN Emulation Server Local Hub Manager
19 19 TR V1.4.1 ( ) LLC/SNP LMSS LN LO LOS MC MP MECH MI MMSS MPEG MSL MS MSS MTU NCK NS NCC NIU OM OO OP ODU OID OUI PP PDU PER PFD PH PLL PPP PSU PWD PWK QoS R&TTE RDIUS RS RC RCS RCST RFC RMS RMT RSGW RSMS RT S SC SCT SCT SISO SIT SMTV SMI SMS SNMP SSP SSP SUT SW Logical Link Control/SubNetwork ccess Protocol Land Mobile Satellite Service Low Noise lock converter Local Oscillator Line Of Sight Medium ccess Control Maximum posteriori Probability MECHanical subsystem Management Information ase Maritime Mobile Satellite Service Motion Pictures Expert Group Minimum Scheduler Latency Mobile Station, or Management Station Mobile Satellite Service Maximum Transmission Unit Negative CKnowledgement Network ccess Server Network Control Centre Network Interface Unit Operation, dministration and Maintenance Output ack Off On-oard Processing Outdoor Unit Object IDentification number Organizationally Unique Identifier Password uthentication Protocol, used with PPP Protocol Data Unit Packet Error Ratio Power Flux Density Per Hop ehaviour Phase Lock Loop Point to Point Protocol Power Supply Unit PassWorD Pulse Width Keying Quality of Service Radio Equipment and Telecommunications Terminal Equipment Regulations Remote uthentication Dial-In User Service Radio stronomy Service Request Class Return Channel via Satellite Return Channel Satellite Terminal Request For Comments Root Mean Square RCS Map Table Regenerative Satellite GateWay Regenerative Satellite Multimedia System Real Time Security ssociation Satellite ccess Control SC Table Super-frame Composition Table Soft In/Soft Out module Satellite Interactive Terminals Satellite Master ntenna Television Structure of Management Information Subscriber Management System Simple Network Management Protocol Satellite Service Provider Solid State Power mplifier Satellite User Terminal SoftWare
20 20 TR V1.4.1 ( ) TTP TCT TDM TM TRx TTL TVRO TWT TxD U/L uimsbf UIU VDC VC VCC VMES VR VST Terminal urst Time Plan Time-slot Composition Table Time Division Multiplex Traffic Manager Transceiver Time To Live TeleVision Receive Only Travelling Wave Tube mplifier Transmission Disabled UpLink unsigned integer most significant bits first User Interface Unit Volume ased Dynamic Capacity Virtual Circuit Virtual Channel Connection Vehicle-Mounted Earth Station Variable Rate Very Small perture Terminal 4 Reference models The Reference Model for an interactive satellite network depicted in [i.2] includes all interconnections among Network Control Centre, Traffic Gateway(s), Feeder(s) and Terminals, which are possible from a functional viewpoint. In practice not all these interconnections will be implemented. lso, some functional blocks may be co-located. This clause describes therefore the network architectures that are more likely to be implemented for the service provision. 4.1 rchitecture with co-located NCC, Gateway and Feeder The simplest architecture is an interactive satellite network with a single Traffic Gateway and a single Feeder co-located in an Earth Station (see figure 4.1). The Network Control Centre is possibly also collocated. Interactive Network dapter return NCC Gateway Feeder controls User data Terminal roadcast Network dapter Figure 4.1: rchitecture with a single gateway and feeder (collocated) This Earth Station has both an Interactive Network dapter and a roadcast Network dapter. It generates the forward link signal, including user data and the control and timing signals needed for the operation of the Satellite Interactive Network. It receives the RCST return signals, provides interactive services and/or connections to external service providers and networks and it provides monitoring, accounting and billing functions.
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