IEC 62002-1-2008 Mobile and portable DVB-T H radio access - Part 1 Interface specification《移动和便携式DVB-T H无线电通路.第1部分 接口规范》.pdf
《IEC 62002-1-2008 Mobile and portable DVB-T H radio access - Part 1 Interface specification《移动和便携式DVB-T H无线电通路.第1部分 接口规范》.pdf》由会员分享,可在线阅读,更多相关《IEC 62002-1-2008 Mobile and portable DVB-T H radio access - Part 1 Interface specification《移动和便携式DVB-T H无线电通路.第1部分 接口规范》.pdf(72页珍藏版)》请在麦多课文档分享上搜索。
1、 IEC 62002-1 Edition 2.0 2008-05 INTERNATIONAL STANDARD Mobile and portable DVB-T/H radio access Part 1: Interface specification IEC 62002-1:2008(E) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this public
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3、nquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information. IEC Central Office 3, rue de Varemb CH-1211 Geneva 20 Switzerland Email: inmailiec.ch Web: www.iec.ch About the IEC The International El
4、ectrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure
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8、 to give us your feedback on this publication or need further assistance, please visit the Customer Service Centre FAQ or contact us: Email: csciec.ch Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 62002-1 Edition 2.0 2008-05 INTERNATIONAL STANDARD Mobile and portable DVB-T/H radio access Part 1:
9、Interface specification INTERNATIONAL ELECTROTECHNICAL COMMISSION XB ICS 33.170 PRICE CODE ISBN 2-8318-9750-5 2 62002-1 IEC:2008(E) CONTENTS FOREWORD.6 1 Scope.8 2 Normative references .8 3 Abbreviations .9 4 Terminal categories11 5 Definition of receiving conditions 12 5.1 Portable reception .12 5.
10、2 Mobile reception12 6 Frequencies and channel bandwidths .13 6.1 Channel frequencies .13 6.2 Supported frequency ranges13 6.3 Supported bandwidths.14 7 DVB-T/H modes .14 7.1 Supported DVB-T/H modes .14 7.2 Change of modulation parameters.14 7.3 Tuning procedure 14 8 Transmitter performance 15 8.1 T
11、ransmitter noise-like impairments 15 8.1.1 Noise-like processes .15 8.2 Further transmitter impairments.16 8.2.1 Group delay errors 16 8.2.2 Phase noise in OFDM systems 17 8.2.3 OFDM clock frequency 17 8.3 Spectrum masks17 8.3.1 DVB-T signals (general) 17 8.3.2 DVB-T signals (critical cases)18 8.3.3
12、 DVB-T signals (DVB-T in adjacent channel).18 9 Receiver antenna characteristics18 9.1 Antennas for terminal category a.18 9.2 Antennas for terminal category b1.18 9.3 Antennas for terminal category b2 and c .19 9.4 External antennas .20 9.4.1 General .20 9.4.2 External antennas for terminal categor
13、y b2 and c 20 9.4.3 External antenna connector.20 10 Receiver performance 21 10.1 Reference model.21 10.2 Noise model 22 10.3 Degradation criteria.24 10.4 Diversity receivers.25 10.5 DVB-H receivers26 10.6 Channel models 27 10.6.1 DVB-T Rayleigh channel (P 1 ).27 10.6.2 Portable indoor (PI) and outd
14、oor (PO) channels 27 10.6.3 Mobile reception29 62002-1 IEC:2008(E) 3 10.7 C/N performance .34 10.7.1 C/N performance in Gaussian channel .34 10.7.2 C/N performance in DVB-T Rayleigh channel (P 1 )34 10.7.3 C/N Performance in portable indoor (PI) and portable outdoor (PO) channels35 10.7.4 DVB-T C/N
15、performance in mobile channels for terminal class a 36 10.7.5 DVB-H C/N performance in mobile channels 37 10.8 Receiver minimum and maximum signal input levels .38 10.8.1 Noise floor.38 10.8.2 Minimum input levels (sensitivity) 39 10.8.3 Total maximum power for wanted and unwanted signals39 10.8.4 M
16、aximum input levels for wanted and unwanted signals 39 10.9 Immunity to analogue and/or digital signals in other channels .40 10.9.1 General.40 10.9.2 Interfering signal definitions 41 10.9.3 Selectivity patterns42 10.9.4 Linearity patterns 42 10.9.5 Immunity to pattern S1 43 10.9.6 Immunity to patt
17、ern S2 44 10.9.7 Immunity to pattern L1.45 10.9.8 Immunity to pattern L2.46 10.9.9 Immunity to pattern L3.47 10.9.10 Immunity to pattern L4.48 10.10 Immunity to co-channel interference from analogue TV signals.49 10.11 Guard interval utilization.49 10.11.1 Performance with echo within guard interval
18、49 10.11.2 Performance with echo outside guard interval .50 10.12 Tolerance to impulse interference.52 10.12.1 General.52 10.12.2 Test patterns.52 10.13 EMC characteristics54 10.13.1 Terminal category c.54 10.13.2 Terminal category a and b.54 11 Interoperability with other radio systems.54 11.1 Cell
19、ular radios.54 11.1.1 General .54 11.1.2 Cellular radio uplink wanted signal interference to DVB-T/H receiver.56 11.1.3 Cellular radio uplink unwanted signal interference to DVB-T/H receiver .57 11.2 DVB-RCT 58 Annex A (informative) Active external antennas and system noise floor .59 Annex B (inform
20、ative) An example of C/N-performance with a practical transmitter 63 Annex C (informative) Multipath reception in a DVB-T system64 Bibliography68 Figure 1 Reference model22 Figure 2 Noise model.23 Figure 3 Antenna diversity receiver26 4 62002-1 IEC:2008(E) Figure 4 Receiver behaviour in a mobile cha
21、nnel .30 Figure 5 DVB-H reference receiver C/N behaviour in mobile channel.31 Figure 6 Mobile SFN synchronisation test channel for weak long echo.32 Figure 7 Mobile SFN synchronisation test channel for strong long echo .33 Figure 8 Mobile SFN synchronisation test channel for strong short echo33 Figu
22、re 9 PAL interfering signals .41 Figure 10 SECAM L interfering signal 42 Figure 11 Pattern S1 in case of N+1 or N-143 Figure 12 Pattern S2 in case of N + 1 or N 1 .44 Figure 13 Pattern L1 45 Figure 14 Pattern L2 46 Figure 15 Pattern L3 47 Figure 16 Pattern L4 49 Figure 17 Echo outside guard interval
23、 mask.50 Figure 18 Mask for echo outside GI for GI = 1/4.52 Figure 19 Definition of the impulse interference test pattern.53 Figure 20 Terminal architectures55 Figure 21 Frequency bands .56 Figure 22 GSM Tx block diagram .57 Figure 23 Tx PA-noise mask in DVB-T/H receiver input58 Figure A.1 System no
24、ise floor versus receiver noise figure for different levels of man- made-noise F arelative to T 0 .62 Figure C.1 Theoretical limits of out of guard delay .64 Figure C.2 DVB-T model Splitting of the signal power into contributing and interfering components .65 Figure C.3 Theoretical echo power profil
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