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1 INTERNATIONAL STANDARD IEC Edition colour inside Cable networks for television signals, sound signals and interactive services Part 1-1: RF cabling for two way home networks INTERNATIONAL ELECTROTECHNICAL COMMISSION PRICE CODE XA ICS ; ISBN Registered trademark of the International Electrotechnical Commission
2 IEC:2010(E) CONTENTS FOREWORD... 0H5 INTRODUCTION... 1H7 1 Scope... 2H9 2 Normative references... 3H10 3 Terms, definitions, symbols and abbreviations... 4H Terms and definitions... 5H Symbols... 6H Abbreviations... 7H19 4 Methods of measurement for the home network... 8H20 5 Performance requirements of the home network... 9H General... 10H Impedance... 11H Performance requirements at the terminal input... 12H General... 13H Signal level... 14H Other parameters... 15H Performance requirements at system outlets... 16H Minimum and maximum carrier levels... 17H Mutual isolation between system outlets... 18H Isolation between individual outlets in one household... 19H Isolation between forward and return path... 20H Long-term frequency stability of distributed carrier signals at any system outlet... 21H Performance requirements at the HNI... 22H Minimum and maximum carrier levels at HNI H Minimum and maximum carrier levels at HNI2 and HNI H Carrier level differences in the home network from HNI to system outlet... 25H Frequency response within a television channel in the home network... 26H General... 27H Amplitude response... 28H Group delay... 29H Random noise produced in the home network... 30H Interference produced into down stream channels within a home network... 31H General... 32H Multiple frequency intermodulation interference... 33H Intermodulation noise... 34H Crossmodulation... 35H26 6 Home network design and examples... 36H General... 37H Basic design considerations... 38H Implementation considerations... 39H Home networks with coaxial and balanced cables... 40H General... 41H Network examples... 42H Calculation examples... 43H General considerations... 44H38
3 IEC:2010(E) Home network design in a MATV system... 45H Return path examples... 46H Different home network type (HNI3 Case C) (glass or plastic fibre optic network)... 47H Different home network type (HNI3 Case D)... 48H General... 49H Wireless links inside the home network... 50H Applications of IEEE (WLAN)... 51H Available bands in the 2 GHz to 6 GHz frequency range... 52H Main characteristics of a WLAN signal... 53H Main characteristics of coaxial cables... 54H Characteristics of WLAN signals at system outlet... 55H Characteristics of signals at the TV system outlet... 56H Example of diplexers and power splitters near the HNI... 57H Example of system outlet for coaxial TV connector and WLAN antenna... 58H Examples of WLAN connection into home networks... 59H45 Annex A (informative) Wireless links versus cable links... 60H50 Annex B (informative) Isolation between radiating element and system outlet... 61H53 Annex C (informative) MIMO techniques of IEEE n... 62H55 Bibliography... 63H57 Figure 1 Examples of RF home network types H8 Figure 2 Examples of location of HNI for various home network types... 65H15 Figure 3 Examples of home network implementation using coaxial or balanced cables... 66H28 Figure 4 Signal levels at HNI1 (flat splitter response)... 67H30 Figure 5 Signal levels at HNI1 (+6 db compensating splitter slope)... 68H31 Figure 6 Signal levels at HNI2 (L 1 ) (flat splitter/amplifier response)... 69H32 Figure 7 Signal levels at HNI2 (+6 db compensating splitter/amplifier slope)... 70H32 Figure 8 Signal levels at HNI3 (flat splitter/amplifier response)... 71H36 Figure 9 Signal levels at HNI3 (+6 db compensating splitter/amplifier slope)... 72H36 Figure 10 Example of a home network using optical fibres H39 Figure 11 Example of a home network using cable connection and cable/wireless connection... 74H41 Figure 12 Example of a coupler (tandem coupler) to insert WLAN signals into the home distribution network H44 Figure 13 Example of system outlet for coaxial TV connector and WLAN antenna... 76H44 Figure 14 Assumed properties of the filters in the system outlet... 77H45 Figure 15 Reference points for the examples of calculation of link loss or link budget... 78H45 Figure B.1 Required isolation and attenuation of a cut-off waveguide, with cut-off frequency of MHz and a length (L) of 25 cm or 15 cm... 79H53 Figure C.1 Principle of MIMO techniques according to IEEE n... 80H55 Table 1 Methods of measurement of IEC applicable to the home network... 81H21 Table 2 Amplitude response variation in the home network... 82H24 Table 3 Group delay variation in the home network... 83H24
4 IEC:2010(E) Table 4 Example of home network implementation with coaxial cabling (passive) from HNI1 to system outlet... 84H33 Table 5 Example of home network implementation with coaxial cabling (active) from HNI2 to system outlet... 85H33 Table 6 Example of home network implementation with balanced pair cables (active) from HNI3 to coaxial terminal input (Case A)... 86H37 Table 7 Example of home network implementation with balanced pair cables (active) from HNI3 to coaxial system outlet (Case B)... 87H37 Table 8 Maximum EIRP according to CEPT ERC H42 Table 9 Available throughput of the WLAN signal... 89H43 Table 10 Minimum signal level at system outlet (WLAN antenna)... 90H43 Table 11 Loss from the system outlet to WLAN base station... 91H46 Table 12 Direct connection between two system outlets (TV outlets)... 92H47 Table 13 Link budget between a WLAN equipment and the WLAN base station... 93H47 Table 14 Wireless connection between two WLAN equipment... 94H48 Table 15 Connection from a SO to a WLAN equipment... 95H49 Table A.1 Maximum distance for a wireless link (WLAN) in free space or inside a home... 96H51 Table A.2 Maximum length of the cable... 97H52 Table C.1 MCSs that are mandatory in IEEE n... 98H56
5 IEC:2010(E) 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES Part 1-1: RF cabling for two way home networks FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as IEC Publication(s) ). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and nongovernmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC has been prepared by technical area 5: Cable networks for television signals, sound signals and interactive services, of IEC technical committee 100: Audio, viedeo and multimedia systems and equipment. The text of this standard is based on the following documents: FDIS 100/1622/FDIS Report on voting 100/1645/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
6 IEC:2010(E) A list of all parts of the IEC series, under the general title Cable networks for television signals, sound signals and interactive services, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under " in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. IMPORTANT The 'colour inside' logo on the cover page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer.
7 IEC:2010(E) 7 INTRODUCTION Standards of the IEC series deal with cable networks including equipment and associated methods of measurement for headend reception, processing and distribution of television signals, sound signals and their associated data signals, and for processing, interfacing and transmitting all kinds of signals for interactive services using all applicable transmission media. This includes CATV0F1-networks, MATV-networks and SMATV-networks, individual receiving networks and all kinds of equipment, systems and installations installed in such networks. The extent of this standardisation work is from the antennas, special signal source inputs to the headend or other interface points to the network up to the terminal input. The standardization of any user terminals (i.e. tuners, receivers, decoders, multimedia terminals, etc.) as well as of any coaxial, balanced and optical cables and accessories thereof is excluded. The reception of television signals inside a building requires an outdoor antenna and a distribution network to convey the signal to the TV receivers. This part of the IEC deals with the requirements and implementation guidelines for a home network that can be realised with different techniques. The following types of home networks (HN) are possible: passive coaxial home network; active coaxial home network; different home network types. This is a preview - click here to buy the full publication 99HFigure 1 shows typical situations that are possible when considering RF home networks. The RF home network can be realised using coaxial cables, balanced cables, optical cables or radio links. 1 This word encompasses the Hybrid Fibre Coaxial (HFC) networks used nowadays to provide telecommunications services, voice, data and audio and video both broadcast and narrowcast.
8 IEC:2010(E) IEC 2523/09 Figure 1 Examples of RF home network types
9 IEC:2010(E) 9 CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES Part 1-1: RF cabling for two way home networks 1 Scope This part of IEC provides the requirements and describes the implementation guidelines of RF cabling for two-way home networks; it is applicable to any home network that distributes signals provided by CATV/MATV/SMATV cable networks (including individual receiving systems) having a coaxial cable output. It is also applicable to home networks where some part of the distribution network uses wireless links, for example in place of the receiver cord. This part of IEC is therefore applicable to RF cabling for two-way home networks with wired cords or wireless links inside a room and primarily intended for television and sound signals operating between about 5 MHz and MHz. The frequency range is extended to MHz for distribution techniques that replace wired cords with a wireless two-way communication inside a room (or a small number of adjacent rooms) that uses the 5 GHz to 6 GHz band. In a building divided into apartment blocks, the distribution of the signals inside the home starts from the home network interface (HNI) up to the system outlet or terminal input. The requirements at the system outlet are given in IEC , Clause 5 and the requirements at the HNI are given in IEC , Clause 7. In Clause 5 of this standard additional requirements are given. This standard deals with various possibilities to distribute signals in a home network, using coaxial cables, balanced pair cables, fibre optic cables (glass or plastic) and also wireless links inside a room (or a small number of adjacent rooms) to replace wired cords. This standard gives references to basic methods of measurement of the operational characteristics of the home cable network in order to assess its performance. All requirements refer to the performance limits, which are obtained between the input(s) at the home network interface (HNI) and the output at any system outlet when terminated in a resistance equal to the nominal load impedance of the system, unless otherwise specified. Where system outlets are not used, the above applies to the terminal input. NOTE 1 If the home network is subdivided into a number of parts, using different transmission media (e.g. coaxial cabling, balanced cabling, optical cabling, wireless links) the accumulation of degradations should not exceed the figures given below. NOTE 2 Performance requirements of return paths as well as special methods of measurement for the use of the return paths in cable networks are described in IEC Clause 5 defines the performance limits measured at system outlet or terminal input for an unimpaired (ideal) test signal applied at the HNI. Under normal operating conditions for any analogue channel and meeting these limits, the cumulative effect of the impairment of any single parameter at the HNI and that due to the home network will produce picture and sound signals not worse than Grade four on the five-grade impairment scale contained in ITU-R BT.500. These requirements are given in IEC For digitally modulated signals the quality requirement is a QEF (Quasi Error Free) reception.
10 IEC:2010(E) This standard describes the physical layer connection for home networks. Description of protocols required for Layer 2 and higher layers is out of the scope of this standard. Logical connections between devices within the home network are therefore not always guaranteed. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC , International Electrotechnical Vocabulary Chapter 705: Radio wave propagation IEC , International Electrotechnical Vocabulary Chapter 712: Antennas IEC , International Electrotechnical Vocabulary Chapter 725: Space radiocommunications IEC 60617, Graphical symbols for diagrams IEC :2007, Cable networks for television signals sound signals and interactive services Part 1: System performance of forward paths IEC , Cable networks for television signals sound signals and interactive services Part 1-2: Performance requirements for signals delivered at system outlet in operation IEC :2005, Cable networks for television signals sound signals and interactive services Part 3: Active wideband equipment for coaxial cable networks IEC , Cable networks for television signals, sound signals and interactive services Part 10: System performance of return paths IEC (all parts), Radio frequency and coaxial cable assemblies IEC , Radio frequency and coaxial cable assemblies Part 2-4: Detail specification for cable assemblies for radio and TV receivers Frequency range 0 MHz to MHz, IEC connectors IEC , Radio frequency and coaxial cable assemblies Part 2-5: Detail specification for cable assemblies for radio and TV receivers Frequency range 0 MHz to MHz, IEC connectors IEC , Radio frequency and coaxial cable assemblies Part 2-6: Detail specification for cable assemblies for radio and TV receivers Frequency range 0 MHz to MHz, IEC connectors IEEE , 1999 IEEE Standards for Information Technology Telecommunications and Information Exchange between Systems Local and Metropolitan Area Network Specific Requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications1F2I 2 Parts of IEEE are reproduced in ISO/IEC :2005, Information technology Telecommunications and information exchange between systems Local and metropolitan area networks Specific requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specification
11 IEC:2010(E) 11 IEEE a-1999, IEEE Standard for Information technology Telecommunications and information exchange between systems Local and metropolitan area networks Specific requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications Amendment 1: High-speed Physical Layer in the 5 GHz band IEEE b-1999 Supplement to , Wireless LAN MAC and PHY specifications: Higher speed Physical Layer (PHY) extension in the 2.4 GHz band IEEE e-2005, IEEE Standard for Information technology Telecommunications and information exchange between systems Local and metropolitan area networks Specific requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: Amendment 8: Medium Access Control (MAC) Quality of Service Enhancements IEEE g-2003 IEEE Standard for Information technology Telecommunications and information exchange between systems Local and metropolitan area networks Specific requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications Amendment 4: Further Higher-Speed Physical Layer Extension in the 2.4 GHz Band IEEE h-2003 IEEE Standard for Information technology Telecommunications and Information Exchange Between Systems LAN/MAN Specific Requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications: Spectrum and Transmit Power Management Extensions in the 5GHz band in Europe IEEE n/D4.0, March 2008 Active Unapproved Draft IEEE Draft STANDARD for Information Technology-Telecommunications and information exchange between systems- Local and metropolitan area networks-specific requirements-part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: Amendment 4: Enhancements for Higher Throughput IEEE IEEE Standard for Local and metropolitan area networks Part 16: Air Interface for Fixed Broadband Wireless Access Systems (WiMax) ITU-R Recommendation BT.500, Methodology for the subjective assessment of the quality of television pictures ITU-T Recommendation J.61, Transmission performance of television circuits designed for use in international connections ITU-T Recommendation J.63, Insertion of test signals in the field-blanking interval of monochrome and colour television signals EN , Coaxial cables Part 2-4: Sectional specification for cables used in cabled distribution networks - Indoor drop cables for systems operating at 5 MHz to 3000 MHz ETSI EN , Digital Video Broadcasting (DVB): DVB framing structure, channel coding and modulation for 11/12 GHz satellite services ETSI EN , Digital Video Broadcasting (DVB): DVB framing structure, channel coding and modulation for cable systems ETSI EN , Digital Video Broadcasting (DVB): DVB Satellite Master Antenna Television (SMATV) distribution systems ETSI EN , Digital Video Broadcasting (DVB): Framing structure, channel coding and modulation for digital terrestrial television
12 IEC:2010(E) ETSI EN , Digital Video Broadcasting (DVB): Second generation framing structure, channel coding and modulation systems for Broadcasting, Interactive Services, News Gathering and other broadband satellite applications
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