1、 IEC 60728-1-1 Edition 2.0 2014-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Cable networks for television signals, sound signals and interactive services Part 1-1: RF cabling for two way home networks Rseaux de distribution par cbles pour signaux de tlvision, signaux de radiodiffusion sonore et s
2、ervices interactifs Partie 1-1: Cblage RF pour rseaux domestiques bidirectionnels IEC 60728-1-1:2014-03(en-fr) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2014 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced
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20、ARD NORME INTERNATIONALE Cable networks for television signals, sound signals and interactive services Part 1-1: RF cabling for two way home networks Rseaux de distribution par cbles pour signaux de tlvision, signaux de radiodiffusion sonore et services interactifs Partie 1-1: Cblage RF pour rseaux
21、domestiques bidirectionnels INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XB ICS 33.060.30; 33.160.01 PRICE CODE CODE PRIX ISBN 978-2-8322-1437-4 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechniqu
22、e Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 2 IEC 60728-1-1:2014 IEC 2014 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 9 2 Norma
23、tive references 9 3 Terms, definitions, symbols and abbreviations . 11 3.1 Terms and definitions . 11 3.2 Symbols . 19 3.3 Abbreviations . 20 4 Methods of measurement for the home network . 21 5 Performance requirements of the home network 22 5.1 General 22 5.2 Impedance . 23 5.3 Performance require
24、ments at the terminal input . 23 General 23 5.3.1Signal level . 23 5.3.2Other parameters . 24 5.3.3 5.4 Performance requirements at system outlets 24 Minimum and maximum carrier levels . 24 5.4.1Mutual isolation between system outlets . 24 5.4.2Isolation between individual outlets in one household .
25、 24 5.4.3Isolation between forward and return path 24 5.4.4Long-term frequency stability of distributed carrier signals at 5.4.5 any system outlet 24 5.5 Performance requirements at the HNI 24 Minimum and maximum carrier levels at HNI1 24 5.5.1Minimum and maximum carrier levels at HNI2 and HNI3 . 24
26、 5.5.2 5.6 Carrier level differences in the home network from HNI to system outlet 24 5.7 Frequency response within a television channel in the home network 25 General 25 5.7.1Amplitude response 25 5.7.2Group delay 25 5.7.3 5.8 Random noise produced in the home network 26 5.9 Interference produced i
27、nto downstream channels within a home network . 26 General 26 5.9.1Multiple frequency intermodulation interference 26 5.9.2Intermodulation noise . 27 5.9.3Crossmodulation . 27 5.9.4 6 Home network design and examples 27 6.1 General 27 6.2 Basic design considerations . 27 General 27 6.2.1System outle
28、t (SO) or terminal input (TI) specifications. 27 6.2.2Home network interface (HNI) specifications . 27 6.2.3Requirements for the home network . 28 6.2.4 6.3 Implementation considerations . 28 IEC 60728-1-1:2014 IEC 2014 3 6.4 Home networks with coaxial and balanced cables 29 General 29 6.4.1Network
29、examples 29 6.4.2Calculation examples 30 6.4.3General considerations . 40 6.4.4Home network design in a MATV system 41 6.4.5Return path examples . 41 6.4.6 6.5 Different home network types (HNI3 case C) (glass or plastic fibre optic network) . 41 6.6 Different home network type (HNI3 case D) . 42 Ge
30、neral 42 6.6.1Wireless links inside the home network . 42 6.6.2Applications of IEEE 802.11 (WLAN) 43 6.6.3Available bands in the 2 GHz to 6 GHz frequency range . 44 6.6.4Main characteristics of a WLAN signal 44 6.6.5Main characteristics of coaxial cables . 45 6.6.6Characteristics of WLAN signals at
31、system outlet . 45 6.6.7Characteristics of signals at the TV system outlet . 46 6.6.8Example of diplexers and power splitters near the HNI . 46 6.6.9Example of system outlet for coaxial TV connector and WLAN 6.6.10 antenna 46 Examples of WLAN connection into home networks 47 6.6.11(informative) Wire
32、less links versus cable links . 52 Annex A A.1 General 52 A.2 Wireless links. 52 A.3 Cable links . 53 (informative) Isolation between radiating element and system outlet 55 Annex B(informative) MIMO techniques of IEEE 802.11n 57 Annex C C.1 General 57 C.2 MIMO techniques . 57 Bibliography 59 Figure
33、1 Examples of RF home network types . 8 Figure 2 Examples of location of HNI for various home network types 15 Figure 3 Examples of home network implementation using coaxial or balanced cables . 30 Figure 4 Signal levels at HNI1 (flat splitter response) . 32 Figure 5 Signal levels at HNI1 (+6 dB com
34、pensating splitter slope) 33 Figure 6 Signal levels at HNI2 (L 1 ) (flat splitter/amplifier response) . 34 Figure 7 Signal levels at HNI2 (+6 dB compensating splitter/amplifier slope) . 34 Figure 8 Signal levels at HNI3 (flat splitter/amplifier response) 38 Figure 9 Signal levels at HNI3 (+6 dB comp
35、ensating splitter/amplifier slope) . 38 Figure 10 Example of a home network using optical fibres . 41 Figure 11 Example of a home network using cable connection and cable/wireless connection 43 Figure 12 Example of a coupler (tandem coupler) to insert WLAN signals into the home distribution network
36、. 46 Figure 13 Example of system outlet for coaxial TV connector and WLAN antenna 46 4 IEC 60728-1-1:2014 IEC 2014 Figure 14 Assumed properties of the filters in the system outlet . 47 Figure 15 Reference points for the examples of calculation of link loss or link budget 47 Figure B.1 Required isola
37、tion and attenuation of a cut-off waveguide, with cut-off frequency of 2 275 MHz and a length (L) of 25 cm or 15 cm 55 Figure C.1 Principle of MIMO techniques according to IEEE 802.11n . 57 Table 1 Methods of measurement of IEC 60728-1:2014 applicable to the home network . 22 Table 2 Amplitude respo
38、nse variation in the home network 25 Table 3 Group delay variation in the home network 26 Table 4 Example of home network implementation with coaxial cabling (passive) from HNI1 to system outlet . 35 Table 5 Example of home network implementation with coaxial cabling (active) from HNI2 to system out
39、let . 35 Table 6 Example of home network implementation with balanced pair cables (active) from HNI3 to coaxial terminal input (case A) . 39 Table 7 Example of home network implementation with balanced pair cables (active) from HNI3 to coaxial system outlet (case B) 39 Table 8 Maximum EIRP according
40、 to CEPT ERC 70-03 . 44 Table 9 Available throughput of the WLAN signal . 45 Table 10 Minimum signal level at system outlet (WLAN antenna) . 45 Table 11 Loss from the system outlet to WLAN base station 48 Table 12 Direct connection between two system outlets (TV outlets) 49 Table 13 Link budget betw
41、een a WLAN equipment and the WLAN base station . 49 Table 14 Wireless connection between two WLAN equipment 50 Table 15 Connection from a SO to a WLAN equipment 51 Table A.1 Maximum distance for a wireless link (WLAN) in free space or inside a home 53 Table A.2 Maximum length of the cable 54 Table C
42、.1 MCSs that are mandatory in IEEE 802.11n 58 IEC 60728-1-1:2014 IEC 2014 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 Commissi
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