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1/40 2005 JDSU. All rights reserved. ACTERNA TEST & MEASUREMENT SOLUTIONS1

Eugen TakcsJDSU - AUSTRIA

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Untersttzung fr Innovationen in Breitbandnetzen

JDSU ist der weltgrsste Hersteller von Messtechnologien frKommunikationsmesstechnologien

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San Jose, CA

Worldwide locations*

Corporate Headquarters

* Not including sales offices

10 manufacturing sites

3 countries

ISO 9001 certified

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Verkauf- und Service Bros

Bros

Divisionen

Weltweite Vertretungen

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Modulator

Decoder oderSet-Top-Box

(STB)

1 0 1 1 0 0 1 0 1

Encoders

.

..

Multiplexer

Das digitale Fernsehsystem

Bild- und Sprachquellen komprimieren

Dateninformationen vorbereiten

Bild, Sprache und Daten multiplexen

Zugangs- und Serviceinformationen beifgen

bertragung berKabel/Satellit/Richtfunk

Demultiplexen Decodieren

Ansehen im Fernsehen

Irrelevanz-Redundanz-Reduktion

Quellenkodierungnach MPEG-2

Multiplex Signal

Fehlerschutz

Fehlerschutz

Kanalkodierungnach DVB

BitratenachKanalkodierung

EPG: Electronic Program Guide: Conditional Access keys

SI: Service InformationPSI: Program Specific Information

: Synchronization

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Video Dienste in ADSL Netzen

IP/ATMCore

DSLAM

DSLAM

DSLAMMPEG demux

POTS Splitter

PC

xDSL

Modem

IGMP v2 (TVoDSL)

Video

RTSP (VoD)

Internet

xDSL links

ADSL(up to 8 Mbit/s): 1 qualityvideo stream

ADSL2+(up to 24 Mbit/s)

VDSL(up to 26/52 Mbit/s): 3simultaneous quality video

Multiple VCs

Broadcast Video: Channel changing isaccomplished by sending IP data-grams

(IGMP RFC-2236)

Video-on-Demand (VoD) :Programs arerequested using real Time Streaming

Protocol (RTSP), RFC 2326.

GigE

Video

Server

GigE

Head-end

switch node

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HOCHFREQUENZ STRUNGEN

Das digitale Signal kann 2 verschiedene Strungen haben.

HF Strungen

Tabellenstrungen

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2005 JDSU. All rights reserved. ACTERNA TEST & MEASUREMENT SOLUTIONS8

C/N vs. BER/SES* vs. MER

* Bit Error Rate/Severely Errored Seconds

No FEC

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(Gradually poorer C/N)

Effect of Noise on Analog Systems

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(Gradually poorer MER)

Noise has very little affect on digital systems

until the system fails completely

Effect of Noise on Digital Systems

No FEC

C/N BER/SES MER

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C/N vs. BER/SES vs. MER

No FEC

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RMS

ErrorMagnitude

Ideal

Symbol

Average

SymbolMagnitude

Modulation Error Ratio (MER)

MER is defined as follows:

Expressed in dB

RMS error magnitude

Average symbol magnitude-20 log

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Error Vector Magnitude

Q

I

Transmitted

Symbol

Target Symbol

Error Vector

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Error

Magnitude

Ideal

Symbol

Max Symbol

Magnitude

Average error magnitude

Max symbol magnitudeX 100%

Error Vector Magnitude (EVM)

EVM is defined as follows:

Expressed in percentage

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64 QAM

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256 QAM

Ingress under carrier

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Ingress under carrierIn-service !!!!

Interference will cause poorMER

Noise

Discreet Signal Ingress

Bad Modulator

CSO/CTB (TV)

CSO/CTB Digital

Only SDA can show ingress in-service under the digital carrierwithout interrupting the digitalservices

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Automatic Distance to Fault (TDR)

720x576

1920x1080 / 1280x720

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Encapsulation of Video, Audio and Multiplexing

CAT: Conditional Access TableES: Elementary StreamECM:Entitlement Control MessageEMM: Entitlement Management MessagePAT: Program Association TablePCR: Program Clock ReferencePMT: Program Map tablePES: Packetized ESPID: Packet IDentificationPTS: Presentation Time StampSPTS: Single Programme TSTS: Transport Stream

Video

Clock(27MHz)

andcontrol

Audio

coding coding

PES PES

SPTS SPTS

MUX

ES ESESImagestructure

MPEG-2

Video syntax

MPEG-2System Syntax

Pictures: I P B

MPEG Video ES/PES and TS:

PESPES HeadercontainsPTS

Useful data

. . . .

Payload

SPTS

Stuffing/Adaptation Fieldcontains PCR infromation

Fixed length (188 bytes)Transport Packets

GOP

Video Fromat: MPEG-2 (ISO/IEC IS 13818-2) 2-8/20 Mbps MPEG-4 Part 10 = Advanced Video Coding (AVC) =

H.264 File Format 1-4/10 Mbps VC-1: SMPTE Standard fr Video Codec used

by WM9: Microsoft Windowss Media 9

H.263 Used in 3GPP File Format (3rdGenerationPartnership Project)

Audio Format: MPEG-2 (ISO/IEC IS 13818-3)

Layer: L1, L2 (DVB, DVD), L3 (MP3) MPEG-2/4 AAC (Advanced Audio Coder): For

Surround sound Dolby Digital AC3 (Audio Code N3): For stereo an

surround sound AMR Adaptive Multi-Rate codec (GSM

networks):has been adopted by 3GPP for 3G

Transport Stream

PMT Prgm 1PID 0x100

PMT Prgm 2PID 0x110

EMMSys 1

Video Prgm 1PID 0x1000

Audio Prgm 1PID 0x1010

...

ECM ES j

PATPID 0x00

CATPID 0x01

System Tables System Tables System Tables

TV

HDTV

720x576

TS Header

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Bouquet:BAT (DVB).

Network:NIT (DVB).

Channel (TS):

SDT (DVB services),

PAT (MPEG PMTs).

Programs in current channel:

EIT (DVB events),

PMT (MPEG ESs).

oder

DVB-SI (Service Information)

NetworkTransportStream

Service

Bouquet

Grnde fr die Service Information: Erweitert die MPEG-2 Kanalweiterschaltung zu allen Kanlen innerhalb eines

Netzwerks oder zu allen Netzwerken welche von einem Reception Pointzugnglich sind.

DVB macht d ie Programmw ahl mglich;

MPEG-2 ermgl ich t das Au ff inden d er Programme.

Warum ist eine MPEG Analyse notwendig ?

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Warum ist eine MPEG Analyse notwendig ?

Zeit

Bild Qualitt:

prgm 1

prgm 2

prgm 3

Birate

1stscene 2ndscene

PMT

CATPID 0x00 PID 0x01

PAT

PID 0xYYProgram

Association

Table

Conditionnal Access Table

Program Map TableMPEG-2PSI

Quality of Service ist nichtselbstverstndlich

abhngig von der effizienten Nutzung der

verfgbaren Bandbreite abhngig von der Konsistenz und dem

Vorhandensein der Daten:Transport Pakete werden ber eine PIDreferenziert

Tabellen und Deskriptoren enthalten kritischeService Information

hohe Wiederholungsraten fr Tabellennotwendig

relevante Information ist in verschiedenenTabellen verteilt

Verantwortung fr die Qualitt ber diegesamte bertragungskette ist aufverschiedene Parteien aufgeteilt.

Eine neue Technologie, die es zubeherrschen gilt.

Synchronisation ist obligatorisch fr den Datenmultiplex

Ende-zu-Ende Synchronisierung innerhalb jedes Programmes

Audio / Video / Daten

TS Analyse in MPEG-2/DVB Systemen

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y ySzenarien fr Inbetriebnahme, Wartung und berwachung

Modulator

Demod.

A

NetworkAdapter

Distribution

ATM, SDH...

A

Encoder

Multiplexer

Accesscontrol

Remux

A

Contribution

AA: TS AnalyzerTS: Transportstrom

A

A

Prioritt der Fehler gemss ETR 290 (ETSI TR 101 290)Prioritt 1: Notwendig fr die Decodierbakeit (Basisberwachung)

Prioritt 2:Empfohlen fr die kontinuierliche/periodische

berwachungPrioritt 3: Anwendungsabhngige berwachung

TR 101 290

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0 90Prioritt 1, Notwendig fr die Decodierbakeit

ETR Type Description Condition

1.1 Stream Transport Stream Synchronization Loss 2 consec. Pkt 0x47

1.2 Stream Received single sync byte error synch byte 0x471.3 Stream Invalid scrambling on PAT PID Scrambling_ctrl_field 00

1.3 Table PAT not found

1.3 Table PAT repetition rate too slow 0,5s

1.3 Table PAT no longer present 2s

1.3 Table Received table other than PAT on PID 0x0

1.4 Stream Received more than two duplicate packets

1.4 Stream Continuity Counter Error

1.5 Stream Invalid scrambling on PMT PID Scrambling_ctrl_field 00

1.5 Table PMT not found

1.5 Table PMT repetition rate too slow 0,5s

1.5 Table PMT no longer present 2s

1.6 Stream Referred PID not found

TR 101 290 Prioritt 2,

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TR 101 290 Prioritt 2,Empfohlen fr die kontinuierliche oder periodische berwachung


2.1 Stream Transport Error Indicator Bad RSTEI=1

2.2 Table Table CRC Error

2.3 Timing Referenced PCR not found

2.3 Timing DVB interval too long between PCR arrivals 40ms

2.3 Timing PCR discontinuity greater than user selected value 100ms

2.4 Timing PCR accuracy is not within 500 ns2.5 Timing Interval too long between PTS arrivals 700ms

2.6 Table CAT not found

2.6 Table CAT repetition rate too slow 2s

2.6 Table CAT no longer present 8s

2.6 Table Received table other than CAT on PID 0x1

TR 101 290

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Prioritt 3, Anwendungsabhngige berwachung


3.1 Table NIT Actual not found

3.1 Table NIT Actual repetition rate too slow 10s3.1 Table NIT Actual no longer present 40s

3.1 Table NIT Other repetition rate too slow 10s

3.1 Table Received table other than NIT/ST on PID 0x10

3.2 Table SI repetition rate too slow

3.2 Table Spacing between SI sections too short 25ms

3.3 Stream Buffer overflow

3.4 Stream Unreferenced PID detected 0,5s

3.5 Table SDT Actual not found

3.5 Table SDT Actual repetition rate too slow 2s

3.5 Table SDT Actual no longer present 8s

3.5 Table SDT Other repetition rate too slow 10s

3.5 Table Received table other than SDT/BAT/ST on PID0x11

TR 101 290

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Prioritt 3, Anwendungsabhngige berwachung

ETR Type Description Condition3.6 Table EIT P/F Actual not found

3.6 Table EIT P/F Actual repetition rate too slow 2s

3.6 Table EIT P/F Actual no longer present 8s3.6 Table EIT P/F Other not found

3.6 Table EIT P/F Other repetition rate too slow 10s

3.6 Table EIT P/F Other no longer present 40s

3.6 Table EIT Schedule Actual not found

3.6 Table EIT Schedule Actual repetition rate too slow 10s

3.6 Table EIT Schedule Actual no longer present 40s

3.6 Table EIT Schedule Other not found

3.6 Table EIT Schedule Other repetition rate too slow 30s

3.6 Table EIT Schedule Other no longer present 120s

3.6 Table Received table other than EIT/ST on PID 0x12

3.7 Table Received table other than RST/ST on PID 0x13

3.8 Table TDT not found

3.8 Table TDT repetition rate too slow 30s3.8 Table TDT no longer present 120s

3.8 Table Received table other than TDT/TOT/ST on PID 0x14

MPEG-2 SystemZ it t l (ti t ) d S h i ti (PCR)

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System clock27 MHz

PES time stamp:PTS und DTS

PCR:

33 bit counter (Zyklus: 26,5 Std.)1xPCR pro Programm oder proTransportstrom

System clock27 MHz

PES time stamp: PTS und DTS

PCR

P.L.L.P.L.L.

P.L.L.

Presentationfrequency

Presentationfrequency

yZeitstempel (time stamp) und Synchronisation (PCR)

1/ Encoder 2/ Multiplexer 3/ STB: Demux, Decoder, Buffer 4/ TV

DEMUX

TS

PCR: Program Clock Reference

PTS: Presentation Time StampDTS: Decoding Time Stamp

PCR Jitter [2.3, 2.4] ETR Value

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[ , ]PCR spacing: 2.3 40 ms

PCR discontinuity: 2.3 100 ms

PCR jitter: 2.4 +/- 500 ns

PCR frequency offset: +/- 810 Hz

PCR drift rate: 75 mHz

PTS spacing: 2.5 700 ms

Referred PID [1.6, 3.4]

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Referred PID [1.6, 3.4]

CharacteristicsPrgm 1

ES n1PID

ESn1

PIDESn2

ES n2


CharacteristicsPrgm i

ES nj PIDESnj

PMT (Program Map Table)

ECM

PMTPrgm 1

Video AudioData

...

MPEG-2Transport stream

1.6 Ref. PID not Found


PIDESn2

ES n2


CharacteristicsPrgm i

ES nj PIDESnj

PMT (Program Map Table)

ECM

PMTPrgm 1

Video AudioData

...

MPEG-2Transport stream

3.4 Unref. PID detected

GigE Interface

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GigE Interface

Support IGMP Multicast Control:

Video Decoding

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Video Decoding

Provides viewing of Videoelementary stream in the transportstream:

Thumbnail of all Video Programs inTransport Stream

Real-time decode of 1 VideoProgram at a time

View 6 parameters for each VideoProgram

MPEG-2 and MPEG-4Videossupported

MPEG-4 / H.264 Analysis in TS

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y

Complementary applicationVISUALmpeg Offline Video analysis

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VISUALmpeg - Offline Video analysis

VISUALmpeg 110Video Elementary Stream Analzer :- Header information, picture coding type, quantizer values,

motion vectors, macro block types, VBV buffer model

- Bit allocation, DCT coefficients, picture frequencies, MPEGartefacts,

VISUALmpeg 150Video Elementary Stream Analyzer and QualityAnalyzer:

All features of VISUALmpeg 110 plus video qualitymeasurements:

Bit rate viewer, bits per frame diagram, framedistortion index, frame quality index

Complementary applicationInterra H264 Analyzer - Offline A/V Compliance Checker

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Interra H264 Analyzer - Offline A/V Compliance Checker

Key Features Supports the H.264, MPEG-2

Transport, MPEG-4 Video,MP4, and the AAC Audiostandards

Has an extensible architectureto support other audio (i.e.

AC3), video formats

Provides powerful debugcapabilities to quickly locateproblem areas

Complementary applicationInterra VC1 Analyzer - Offline A/V Compliance Checker

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Supported formats: VC1 (WMV)

MPEG-4 Part 2 Visual

MPEG-1/MPEG-2 Video

AC-3 Audio

AAC Audio

AMR Audio

MP4 File Format

3GPP

MPEG-2 Transport

Interra VC1 Analyzer - Offline A/V Compliance Checker

End to End solution architecture

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End to End solution architecture

CopperPlant

DSLAM

DTS-200/330

GbE

DVB TSIP MUX

ATM / IP

QT-200

Pre-qualify copper plant capability

Permanently check the Validityof the source

Measure the End Customerexperience

End to End trouble shoot on demand.

Check of the MPEG services a the sourceTR 101 290 MonitoringBit rate measurementPCR analysis

Table analysisES offline analysis (VISUALmpeg/Interra H.264)

HST-3000

QPSK

IPTV&MPEG measurement with DTS-200/330

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MPEG-2/DVB Messtechnik

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Electronic Program Guide (EPG)Conditional Access (CA) keysService Information (SI)Program Specicific Information (PSI)PCR Synchronization

Re-multiplexing

TSTS

(Transportstrom)

DVB-CQAM

Zubringer

IP, SDH, ATM,Satellit und Funk

STB(Set Top Box)

SDH

Studio A

Studio Z

IP

Router/Gateway

DTS Messgerte

DVB-TCOFDM

Acterna MPEG-2/DVB Produktangebot

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DTS-200 - MPEG-2 Field InstrumentDer DTS-200 erlaubt den Betreibern digitaler Netze undSystemanbietern die Fernanalyse ihrer MPEG-Datenstrmesowie die Ausfhrung verschiedener Testanwendungen.

DTS-330 - Digital Broadcast Test PlatformDie DTS-330 Digital Broadcast Test Platform ermglicht die

Analyse, Simulation und Erzeugung von MPEG-2 ATSC- undDVB-Transportstrmen.

MultipleInterfaces:ASI/LVDSQAMQPSK

GigECOFDM

DTS-200 bersicht

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Player / Recorder

DTS-PR:Play (P)Record (R)Filter on PID

Analyse

DTS-A:Echtzeit-AnalyseCapture on trigger

Tx ASI / SPI-LVDS Interf ace Rx ASI / SPI-LVDS und /oder GigE/RF Interface

Optionen:

MHP, OpenTV Analyse Interfaces:GigERF: QAM, QPSK, COFDM

DTS-200 PRDTS-200 P

DTS-200 RA

DTS-200 PRA

Dual Play, 2Tx

DTS-200 A

DTS-200 R

Dual analysis, 2Rx

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Documents

certified5202018 jdsu

synchronization5202018

log5202018 jdsu

merno fec5202018 jdsu

breitbandnetzen jdsu

analog systems5202018

service informationpsi

completelyeffect of