1、 ETSI TR 101 290 V1.3.1 (2014-07) Digital Video Broadcasting (DVB); Measurement guidelines for DVB systems TECHNICAL REPORT ETSI ETSI TR 101 290 V1.3.1 (2014-07) 2Reference RTR/JTC-DVB-340 Keywords broadcasting, digital, DVB, TV, video ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRA
2、NCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org The present document may be made available in e
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7、uropean Telecommunications Standards Institute 2014. European Broadcasting Union 2014. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand 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
8、 and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TR 101 290 V1.3.1 (2014-07) 3Contents Intellectual Property Rights 10g3Foreword . 10g3Modal verbs terminology 10g31 Scope 11g32 References 11g32.1 Normative reference
9、s . 11g32.2 Informative references 11g33 Definitions, symbols and abbreviations . 13g33.1 Definitions 13g33.2 Symbols 13g33.3 Abbreviations . 14g34 General . 17g35 Measurement and analysis of the MPEG-2 Transport Stream . 19g35.1 General . 19g35.2 List of parameters recommended for evaluation 19g35.
10、2.1 First priority: necessary for de-codability (basic monitoring) 21g35.2.2 Second priority: recommended for continuous or periodic monitoring 23g35.2.3 Third priority: application dependant monitoring . 24g35.3 Measurement of MPEG-2 Transport Streams in networks . 29g35.3.1 Introduction. 29g35.3.2
11、 System clock and PCR measurements 29g35.3.2.1 Reference model for system clock and PCR measurements . 29g35.3.2.2 Measurement descriptions . 31g35.3.2.3 Program Clock Reference - Frequency Offset PCR_FO . 31g35.3.2.4 Program Clock Reference Drift Rate PCR_DR . 32g35.3.2.5 Program Clock Reference -
12、Overall Jitter PCR_OJ 32g35.3.2.6 Program Clock Reference Accuracy PCR_AC 32g35.3.3 Bitrate measurement . 32g35.3.3.1 Bitrate measurement algorithm . 33g35.3.3.2 Preferred values for Bitrate Measurement . 34g35.3.3.3 Nomenclature 34g35.3.4 Consistency of information check 35g35.3.4.1 Transport_Strea
13、m_ID check . 35g35.3.5 TS parameters in transmission systems with reduced SI data . 35g35.4 Measurement of availability at MPEG-2 Transport Stream level 36g35.5 Evaluation of service performance by combination of TS related parameters . 37g35.6 Parameters for CI related applications 37g35.6.1 Latenc
14、y . 38g35.6.2 CI_module_delay_variation 39g35.6.3 Input_output_TS comparison 39g35.6.4 CI_module_throughput . 39g35.6.5 Valid TS on CI 39g36 Common parameters for satellite and cable transmission media . 40g36.1 System availability . 40g36.2 Link availability . 40g36.3 BER before RS decoder . 41g36.
15、3.1 Out of service 41g36.3.2 In service . 41g36.4 Error events logging . 41g36.5 Transmitter symbol clock jitter and accuracy . 42g36.6 RF/IF signal power . 42g36.7 Noise power 42g3ETSI ETSI TR 101 290 V1.3.1 (2014-07) 46.8 Bit error count after RS 42g36.9 IQ signal analysis . 43g36.9.1 Introduction
16、. 43g36.9.2 Modulation Error Ratio (MER) 44g36.9.3 System Target Error (STE) (void) 44g36.9.4 Carrier suppression . 44g36.9.5 Amplitude Imbalance (AI) 45g36.9.6 Quadrature Error (QE) 46g36.9.7 Residual Target Error (RTE) 46g36.9.8 Coherent interferer 46g36.9.9 Phase Jitter (PJ) . 47g36.9.10 Signal-t
17、o-Noise Ratio (SNR) 48g36.10 Interference . 48g37 Cable specific measurements . 49g37.1 Noise margin 49g37.2 Estimated noise margin 49g37.3 Signal quality margin test . 49g37.4 Equivalent Noise Degradation (END) 50g37.5 BER vs. Eb/N0. 51g37.6 Phase noise of RF carrier 51g37.7 Amplitude, phase and im
18、pulse response of the channel . 51g37.8 Out of band emissions 51g38 Satellite specific measurements 52g38.1 BER before Viterbi decoding . 52g38.2 Receive BER vs. Eb/N0. 52g38.3 IF spectrum . 53g39 Measurements specific for a terrestrial (DVB-T) system . 53g39.1 RF frequency measurements 55g39.1.1 RF
19、 frequency accuracy (Precision) . 56g39.1.2 RF channel width (Sampling Frequency Accuracy) . 56g39.1.3 Symbol Length measurement at RF (Guard Interval verification) 57g39.2 Selectivity . 57g39.3 AFC capture range 57g39.4 Phase noise of Local Oscillators (LO) 58g39.5 RF/IF signal power . 59g39.6 Nois
20、e power 59g39.7 RF and IF spectrum 59g39.8 Receiver sensitivity/ dynamic range for a Gaussian channel 59g39.9 Equivalent Noise Degradation (END) 60g39.9.1 Equivalent Noise Floor (ENF) 60g39.10 Linearity characterization (shoulder attenuation) . 61g39.11 Power efficiency . 61g39.12 Coherent interfere
21、r . 61g39.13 BER vs. C/N ratio by variation of transmitter power . 61g39.14 BER vs. C/N ratio by variation of Gaussian noise power 62g39.15 BER before Viterbi (inner) decoder . 62g39.16 BER before RS (outer) decoder 62g39.16.1 Out of Service . 62g39.16.2 In Service 63g39.17 BER after RS (outer) deco
22、der (Bit error count) 63g39.18 IQ signal analysis . 63g39.18.1 Introduction. 63g39.18.2 Modulation Error Ratio (MER) 65g39.18.3 System Target Error (STE) (void) 65g39.18.4 Carrier Suppression (CS) 65g39.18.5 Amplitude Imbalance (AI) 66g39.18.6 Quadrature Error (QE) 67g39.18.7 Phase Jitter (PJ) . 68g
23、39.19 Overall signal delay 69g39.20 SFN synchronization 70g3ETSI ETSI TR 101 290 V1.3.1 (2014-07) 59.20.1 MIP_timing_error . 70g39.20.2 MIP_structure_error 71g39.20.3 MIP_presence_error 71g39.20.4 MIP_pointer_error 71g39.20.5 MIP_periodicity_error 72g39.20.6 MIP_ts_rate_error . 72g39.21 System Error
24、 Performance . 73g310 Recommendations for the measurement of delays in DVB systems 73g311 Measurements for the second generation terrestrial (DVB-T2) system . 73g311.1 Introduction 73g311.2 Measurements at the DVB-T2 Modulator Interface (T2-MI) . 74g311.2.1 Introduction. 74g311.2.2 Measurements of t
25、he syntax of T2 MI packets . 75g311.2.2.1 T2MI_packet_type_error_1 75g311.2.2.2 T2MI_packet_type_error_2 76g311.2.2.3 T2MI_packet_count_error 76g311.2.2.4 T2MI_CRC_error 76g311.2.2.5 T2MI_payload_error . 76g311.2.2.6 T2MI_plp_num_blocks_error . 76g311.2.2.7 T2MI_transmission_order_error . 77g311.2.2
26、.8 T2MI_DVB-T2_Timestamp_error 77g311.2.2.9 T2MI_DVB-T2_Timestamp_discontinuity . 77g311.2.2.10 T2MI_T2_frame_length_error 77g311.2.3 Checks on the T2-MI MIP (Modulator Information Packet) 77g311.2.3.1 T2MI_MIP_timestamp_error 77g311.2.3.2 T2MI_MIP_individual_addressing_error . 77g311.2.3.3 T2MI_MIP
27、_continuity_error 78g311.2.3.4 T2MI_MIP_CRC_error . 78g311.2.4 Check on consistency of T2-MI signalling information . 78g311.2.4.1 T2MI_bandwidth_consistency_error 78g311.2.4.2 T2MI_DVB-T2_Timestamp_leap_second_error 78g311.2.5 Measurements at T2-MI transport layer 78g311.2.5.1 Encapsulation of T2-M
28、I packets into MPEG-2 TS (ASI) streams 78g311.2.5.1.1 Parameters relevant to transport of T2-MI packets over MPEG-2 TS. 79g311.2.5.1.2 Informative parameters 79g311.2.5.1.3 Integrity parameters. 79g311.2.5.2 Encapsulation of T2-MI packets into IP streams 80g311.2.5.2.1 Parameters relevant to transpo
29、rt of T2-MI packets over IP . 80g311.3 Measurements for DVB-T2 baseline system 82g311.3.1 RF measurements 85g311.3.1.1 RF frequency accuracy 85g311.3.1.2 RF occupied bandwidth . 85g311.3.2 Selectivity . 85g311.3.3 AFC capture range 86g311.3.4 Phase noise of Local Oscillators (LO) 86g311.3.5 RF/IF si
30、gnal power . 86g311.3.6 MISO Group Power Ratio 86g311.3.7 Noise power 87g311.3.8 RF and IF spectrum. 87g311.3.9 Receiver sensitivity/ dynamic range for a Gaussian channel 87g311.3.10 Linearity characterization (shoulder attenuation) . 88g311.3.11 Power efficiency . 89g311.3.12 PAPR effect 90g311.3.1
31、3 P1 Symbol Error Rate . 91g311.3.14 BER before LDPC (inner) decoder . 91g311.3.15 Number of LDPC iterations 91g311.3.16 BER before BCH (outer) decoder . 91g311.3.17 Baseband Frame Error Rate BBFER 92g311.3.18 Errored Second Ratio ESR . 92g311.3.19 IQ signal analysis 92g3ETSI ETSI TR 101 290 V1.3.1
32、(2014-07) 611.3.19.1 Introduction . 92g311.3.19.2 Modulation Error Ratio (MER) . 93g311.3.19.3 Signal to Interference Noise Ratio (SINR) 94g311.3.19.4 Carrier Suppression (CS) 94g311.3.19.5 Carrier Phase (CPh). 94g311.3.19.6 Amplitude Imbalance (AI) 95g311.3.19.7 Quadrature Error (QE) 96g311.3.20 SF
33、N synchronization. 97g311.3.21 L1 signalling error 97g311.3.22 RMS Delay-Spread (RMS-DS). 97g311.3.23 Maximum Excess Delay (MED) . 98g311.3.24 Receiver Buffer Model (RBM) validation test 98g311.3.25 Relative power level during the non-P1 part of the FEF (RLF_non_P1) 98g312 Measurements for the secon
34、d generation cable system (DVB-C2) 98g312.1 Introduction 98g312.2 Measurements for DVB-C2 baseline system 100g312.2.1 RF measurements 100g312.2.1.1 RF frequency accuracy 101g312.2.1.2 RF sampling frequency . 101g312.2.2 AFC capture range 102g312.2.3 Phase noise of Local Oscillators (LO) 102g312.2.4
35、RF/IF signal power . 102g312.2.5 Noise power 103g312.2.6 RF and IF spectrum. 103g312.2.7 Receiver sensitivity/ dynamic range for a Gaussian channel 103g312.2.8 Linearity characterization (shoulder attenuation) . 103g312.2.9 BER before LDPC (inner) decoder . 104g312.2.10 Number of LDPC iterations 104
36、g312.2.11 BER before BCH (outer) decoder . 104g312.2.12 Baseband Frame Error Rate BBFER 104g312.2.13 IQ signal analysis 105g312.2.13.1 Introduction . 105g312.2.13.2 Modulation Error Ratio (MER) . 106g312.2.13.3 Amplitude Imbalance (AI) 107g312.2.13.4 Quadrature Error (QE) 108g312.2.14 L1 signalling
37、error 108g312.2.15 Receiver Buffer Assumptions (RBA) validation test 108g3Annex A: General measurement methods . 109g3A.1 Introduction 109g3A.2 Null packet definition . 109g3A.3 Description of the procedure for “Estimated Noise Margin“ by applying statistical analysis on the constellation data 110g3
38、A.4 Set-up for RF phase noise measurements using a spectrum analyser 111g3A.5 Amplitude, phase and impulse response of the channel . 112g3A.6 Out of band emissions 113g3Annex B: Examples for test set-ups for satellite and cable systems 114g3B.1 System availability . 114g3B.2 Link availability . 114g
39、3B.3 BER before RS . 114g3B.3.1 Out of service measurement . 115g3B.3.2 In service measurement 115g3B.4 Event error logging . 115g3ETSI ETSI TR 101 290 V1.3.1 (2014-07) 7B.5 Transmitter symbol clock jitter and accuracy 116g3B.6 RF/IF signal power . 116g3B.7 Noise power 116g3B.7.1 Out of service meas
40、urement . 116g3B.7.2 In service measurement 117g3B.8 BER after RS 117g3B.9 I/Q signal analysis 117g3B.10 Service data rate measurement . 117g3B.11 Noise margin 117g3B.11.1 Recommended equipment 118g3B.11.2 Remarks and precautions 119g3B.11.3 Measurement procedure . 119g3B.12 Equivalent Noise Degrada
41、tion (END) 120g3B.13 BER vs. Eb/N0. 120g3B.14 Equalizer specification . 120g3B.15 BER before Viterbi decoding . 122g3B.16 Receive BER vs. Eb/N0. 122g3B.17 IF spectrum . 122g3Annex C: Measurement parameter definition . 123g3C.1 Definition of Vector Error Measures 123g3C.2 Comparison between MER and E
42、VM 123g3C.3 Conclusions regarding MER and EVM 124g3Annex D: Exact values of BER vs. Eb/N0for DVB-C systems 125g3Annex E: Examples for the terrestrial system test set-ups . 126g3E.1 RF frequency accuracy . 126g3E.1.1 Frequency measurements in DVB-T (void) . 126g3E.1.2 Measurement in other cases (void
43、) . 126g3E.1.3 Calculation of the external pilots frequency when they do not have continual phase. (void) 126g3E.1.4 Measuring the symbol length and verifying the Guard Interval (void) 127g3E.1.5 Measuring the occupied bandwidth, and calculation of the frequency spacing and sampling frequency 127g3E
44、.2 Selectivity . 128g3E.3 AFC capture range 128g3E.4 Phase noise of Local Oscillators (LO) 128g3E.4.1 Practical information on phase noise measurements 129g3E.5 RF/IF signal power . 130g3E.5.1 Procedure 1 (power metre) . 130g3E.5.2 Procedure 2 (spectrum analyser) 130g3E.6 Noise power 130g3E.6.1 Proc
45、edure 1 . 131g3E.6.2 Procedure 2 . 131g3E.6.3 Procedure 3 . 131g3E.6.4 Measurement of noise with a spectrum analyser 131g3E.7 RF and IF spectrum 132g3E.8 Receiver sensitivity/dynamic range for a Gaussian channel 132g3ETSI ETSI TR 101 290 V1.3.1 (2014-07) 8E.9 Equivalent Noise Degradation (END) 132g3
46、E.9.1 Description of the measurement method for END . 133g3E.9.2 Conversion method between ENF and END 134g3E.10 Linearity characterization (shoulder attenuation) . 135g3E.10.1 Equipment 135g3E.10.2 Remarks and precautions 135g3E.10.3 Measurement procedure (example for UHF channel 47) . 136g3E.11 Po
47、wer efficiency . 137g3E.12 Coherent interferer . 137g3E.13 BER vs. C/N by variation of transmitter power . 137g3E.14 BER vs. C/N by variation of Gaussian noise power 138g3E.15 BER before Viterbi (inner) decoder . 138g3E.16 Overall signal delay 138g3Annex F: Specification of test signals of DVB-T mod
48、ulator 139g3F.1 Introduction 139g3F.2 Input signal . 139g3F.3 Test modes 140g3F.4 Test points 140g3F.5 File format for interchange of simulated data 140g3F.5.1 Test point number . 141g3F.5.2 Length of data buffer 141g3F.5.3 Bit ordering after inner interleaver . 141g3F.5.4 Carrier allocation 141g3F.
49、5.5 Scaling 142g3F.5.6 Constellation . 142g3F.5.7 Hierarchy 142g3F.5.8 Code rate LP and HP 142g3F.5.9 Guard interval . 143g3F.5.10 Transmission mode. 143g3F.5.11 Data format . 143g3F.5.12 Example 143g3Annex G: Theoretical background information on measurement techniques 145g3G.1 Overview 145g3G.2 RF/IF power (“carrier“) 145g3G.3 Noise level 146g3G.4 Energy-per-bit (Eb) 147g3G.5 C/N ratio and Eb/Noratio 147g3G.6 Practical application of the measurements . 147g3G.7 Example 148g3G.8 Signal-to-Noise Ratio (SNR) and Modulation Error Ratio (MER) 150g3G.9 BER vs. C/N . 150g3G.10
