Measurement guidelines for DVB systems

1 ETSI TR 101 (2001-05)Technical ReportDigital Video Broadcasting (DVB); Measurement guidelines for DVB systemsEuropean Broadcasting UnionUnion Europ enne de Radio-T l visionEBU UERETSIETSI TR 101 290 (2001-05)2 ReferenceRTR/JTC-DVB-77 KeywordsBroadcasting, digital, video, DVB, TVETSI650 Route des LuciolesF-06921 Sophia Antipolis Cedex - FRANCETel.:+33492944200 Fax:+33493654716 Siret N 348 623 562 00017 - NAF 742 CAssociation but non lucratif enregistr e laSous-Pr fecture de Grasse (06) N 7803/88 Important noticeIndividual copies of the present document can be downloaded from: present document may be made available in more than one electronic version or in print.

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3 European Telecommunications Standards Institute 2001. European Broadcasting Union rights TR 101 290 (2001-05)3 ContentsIntellectual Property Rights .. 10 Foreword .. 112 References .. 113 Definitions and .. 145 Measurement and analysis of the MPEG-2 Transport Stream .. of parameters recommended for evaluation .. priority: necessary for de-codability (basic monitoring).. priority: recommended for continuous or periodic priority: application dependant monitoring .. of MPEG-2 Transport Streams in networks.

4 Clock and PCR measurements .. model for system clock and PCR Clock Reference - Frequency Offset PCR_FO .. Clock Reference Drift Rate PCR_DR .. Clock Reference - Overall Jitter PCR_OJ .. Clock Reference Accuracy Measurement .. Measurement algorithm .. values for Bitrate .. of information parameters in transmission systems with reduced SI of availability at MPEG-2 Transport Stream of service performance by combination of TS related parameters .. and Service_ Availability _Error_Ratio.

5 And and for CI related .. comparison .. TS on 386 Common parameters for satellite and cable transmission availability .. availability .. before RS of service .. service .. events logging .. symbol clock jitter and accuracy .. signal power .. power .. error count after signal analysis .. 42 ETSIETSI TR 101 290 (2001-05) .. Error Ratio (MER) .. Target Error (STE).. suppression .. Imbalance (AI).. Error (QE) .. Target Error (RTE) .. interferer.

6 Jitter (PJ).. Ratio (SNR) .. 487 Cable specific measurements .. noise quality margin test .. Noise Degradation (END) .. vs. noise of RF carrier .. , phase and impulse response of the of band emissions .. 538 Satellite specific before Viterbi BER vs. spectrum .. 549 Measurements specific for a terrestrial (DVB-T) system .. frequency measurements .. frequency accuracy (Precision) .. channel width (Sampling Frequency Accuracy).. Length Measurement at RF (Guard Interval verification).

7 Capture range .. noise of Local Oscillators (LO) .. signal power .. power .. and IF spectrum .. sensitivity/dynamic range for a Gaussian channel .. Noise Degradation (END) .. Noise Floor (ENF).. characterization (shoulder attenuation) .. interferer .. vs. C/N ratio by variation of transmitter power .. vs. C/N ratio by variation of Gaussian noise power .. before Viterbi (inner) decoder .. before RS (outer) of Service .. after RS (outer) decoder (Bit error count).

8 Signal analysis .. Error Ratio (MER) .. Target Error (STE).. Suppression (CS).. Imbalance (AI).. Error (QE) .. Jitter (PJ).. signal synchronization .. 72 ETSIETSI TR 101 290 (2001-05) .. Error 7610 Recommendations for the Measurement of delays in DVB systems .. description of the measurements .. of input delay and end-to-end encoder of overall delay .. of end to end encoder delay .. decoder delay Measurement .. of Relative Audio/Video delay - Lip Sync.

9 80 Annex A (informative):General Measurement methods .. packet definition .. of the procedure for "Estimated Noise Margin" by applying statistical analysis on theconstellation data .. for RF phase noise measurements using a spectrum analyser .. , phase and impulse response of the of band 85 Annex B (informative):Examples for test set-ups for satellite and cable systems .. availability .. before RS .. of service service Measurement .. error logging .. symbol clock jitter and accuracy.

10 Signal power .. power .. of service service Measurement .. after signal analysis .. Service data rate Measurement .. Noise margin .. and precautions .. 91 ETSIETSI TR 101 290 (2001-05) Equivalent Noise Degradation (END) .. BER vs. Equalizer BER before Viterbi decoding .. Receive BER vs. IF 94 Annex C (informative): Measurement parameter of Vector Error Measures .. between MER and EVM .. regarding MER and EVM .. 96 Annex D (informative):Exact values of BER vs.