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. In any case of existing orperceived difference in contents between such versions, the reference version is the Portable Document Format (PDF).In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drivewithin ETSI of the present document should be aware that the document may be subject to revision or change of on the current status of this and other ETSI documents is available at you find errors in the present document, send your comment NotificationNo part may be reproduced except as authorized by written copyright and the foregoing restriction extend to reproduction in all media.

2 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 .. 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.

3 And Service_ Availability _Error_Ratio .. 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 .. 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.

4 Frequency accuracy (Precision) .. channel width (Sampling Frequency Accuracy).. Length Measurement at RF (Guard Interval verification) .. 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) .. 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 .

5 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 .. 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 .. 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).

6 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. Eb/N0for DVB-C 97 Annex E (informative):Examples for the terrestrial system test frequency accuracy .. measurements in DVB-T .. in other cases .. of the external pilots frequency when they do not have continual the symbol length and verifying the Guard Interval .. the occupied bandwidth, and calculation of the frequency spacing and sampling frequency .. capture noise of Local Oscillators (LO) .. information on phase noise measurements .. signal power .. 1 (power metre).. 2 (spectrum analyser) .. power .. 1 .. 2 .. 3 .. of noise with a spectrum analyser .. and IF spectrum .. sensitivity/dynamic range for a Gaussian channel.

7 Noise Degradation (END) .. of the Measurement method for END .. method between ENF and Linearity characterization (shoulder attenuation) .. and precautions .. procedure (example for UHF channel 47)..116 ETSIETSI TR 101 290 (2001-05) Power efficiency .. Coherent BER vs. C/N by variation of transmitter power .. BER vs. C/N by variation of Gaussian noise power .. BER before Viterbi (inner) Overall signal delay .. 118 Annex F (informative):Specification of test signals of DVB-T modulator .. modes .. points .. format for interchange of simulated data .. point of data buffer .. ordering after inner interleaver .. rate LP and HP .. interval .. format .. TR 101 290 (2001-05)8 Annex G (informative):Theoretical background information on Measurement techniques .. power ("carrier").. (Eb) .. ratio and Eb/Noratio .. application of the measurements .. Ratio (SNR) and Modulation Error Ratio (MER).

8 Vs. Error probability of Quadrature Amplitude Modulation (QAM) .. Error probability of QPSK .. Error probability after Viterbi decoding .. Error probability after RS BEP vs. C/N for DVB cable BER vs. C/N for DVB satellite transmission .. Adding noise to a noisy 138 Annex H:Void .. 141 Annex I (informative):PCR related measurements .. frequencies .. implicit procedures .. (PCR_AC) .. (PCR_DR) .. (PCR_FO) .. on performing PCR measurements .. of filters in PCR is there a choice ?.. demarcation demarcation frequencies .. Excitation model for PCR Measurement devices .. on the definition of a stream .. Pseudo-C TR 101 290 (2001-05) definitions and example values ..162 Annex J (informative):Bitrate related .. of bitrate Measurement .. Rate versus Multiplex rate applications .. of Bit rate Measurement .. or Window function .. "Continuous window".. Gate values.

9 Measurements in a transport of the MG profiles .. Profile - the backwards compatible Profile - the Basic bitrate Profile - the precise Peak bitrate profile .. Profile - the precise profile .. Profile - the user profile .. values in the Precise measurements ..170 Annex K (informative):DVB-T channel channel profiles for simulations without Doppler for realtime simulations without Doppler for realtime simulation with Doppler shift (mobile channel simulation) .. 173 Annex L (informative) 174 History .. 175 ETSIETSI TR 101 290 (2001-05)10 Intellectual Property RightsIPRs essential or potentially essential to the present document may have been declared to ETSI. The informationpertaining to these essential IPRs, if any, is publicly available forETSI members and non-members, and can be foundin ETSI SR 000 314:"Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI inrespect of ETSI standards", which is available from the ETSI Secretariat.

10 Latest updates are available on the ETSI Webserver ( ).Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guaranteecan be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Webserver) which are, or may be, or may become, essential to the present Technical Report (TR) has been produced by Joint Technical Committee (JTC) Broadcast of the EuropeanBroadcasting Union (EBU), Comit Europ en de Normalisation ELEC trotechnique (CENELEC) and the EuropeanTelecommunications Standards Institute (ETSI).NOTE:The EBU/ETSI JTC Broadcast was established in 1990 to co-ordinate the drafting of standards in thespecific field of broadcasting and related fields. Since 1995 the JTC Broadcast became a tripartite bodyby including in the Memorandum of Understanding also CENELEC, which is responsible for thestandardization of radio and television receivers.