FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
3.2 Symbols
3.3 Abbreviations
4 Optical System Reference Model
5 Preparation of measurement
5.1 Environmental conditions
5.1.1 Temperature and Humidity
5.1.2 Setting up the measuring setup and
system under test
5.1.3 AGC operation
5.1.4 Impedance matching between equipments
5.1.5 Standard operating condition
5.1.6 Standard signal and measuring equipment
5.2 Accuracy of measuring equipment
5.3 Source power
6 Methods of measurement
6.1 Measuring points and items
6.1.1 Measuring points
6.1.2 Measured parameters
6.2 Optical power
6.2.1 Introduction
6.2.2 Measuring setup
6.2.3 Measuring method
6.2.4 Precaution for measurement
6.2.5 Presentation of the results
6.3 Carrier level and carrier-to-noise ratio
6.3.1 Introduction
6.3.2 Measuring setup
6.3.3 Measuring conditions
6.3.4 Measuring method for Analogue signals (AM-VSB)
6.3.5 Measuring method for digitally modulated
signals (64QAM, OFDM)
6.3.6 Precautions for measurement
6.3.7 Presentation of the results
6.4 Carrier-to-noise ratio defined by optical signal
6.4.1 Introduction
6.4.2 Measuring setup
6.4.3 Measuring conditions
6.4.4 System RIN measuring method
6.4.5 C/N calculation based on RIN value
6.4.6 Component RIN calculation
6.5 Optical Modulation Index (OMI)
7 Specification of optical system for broadcast
signal transmission
7.1 Analogue and digital broadcast system over
optical network
7.2 International TV systems
7.3 Relationship between RIN and C/N
7.4 Optical wavelength
7.5 Frequency of source signal
7.6 Optical system specification for broadcast
signal transmission
7.7 C/N ratio specification for in-house and
in-building wirings
7.8 Crosstalk due to optical fibre non-linearity
7.9 Single frequency interference level due
to fibre non-linearity
7.10 Environmental conditions
Annex A (Informative) - Actual service systems and design
considerations
A.1 Multi-channel service system
A.1.1 General
A.1.2 Operating conditions
A.1.3 Operating environment
A.2 Re-transmission service system
A.2.1 Operating conditions
A.2.2 Operating environment
A.3 C/N ratio calculation of optical network
A.4 System Reference Model
A.5 Tips for actual operation
A.5.1 Optimum operation
A.5.2 Key issues to be specified
Annex B (Informative) - Optical system overview
B.1 Optical system topology
B.1.1 SS system
B.1.2 ADS system
B.1.3 PON system
Annex C (Informative) - Optical System degradations
C.1 System Degradation Factors
C.2 Non-linear degradation
C.2.1 Stimulated Brillouin Scattering (SBS)
C.2.2 Stimulated Raman Scattering (SRS)
C.2.3 Self-Phase Modulation (SPM)
C.2.4 Cross-Phase Modulation (XPM)
Annex D (Normative) - Measurement of parameters (R,
I[d0], I[eq] and G) required
for RIN calculation
D.1 Measurement of responsivity (R)
D.2 Measurement of Dark current (I[do])
D.3 Measurement of Equivalent noise current
density (I[eq])
D.4 Measurement of Gain (G)
Bibliography