Policy on Intellectual Property Right (IPR)
Annex 1 Measurement specification used in Germany for the measurement of the
frequency deviation and multiplex power of FM sound broadcasting transmitters
1 Purpose and scope
2 Terms and definitions
3
Limits
4 Technical non-compliance values
5 Measurement method
5.1 Measuring equipment requirements
5.2 Measurement principle
5.3 Required measurement conditions
5.3.1 Wanted signal input level
5.3.2 Degree of distortion and reflection
5.3.3 Co-channel
and adjacent channel protection ratios
5.3.4 Overrange
5.4 Measurement set-up
5.5 Measurement procedure
5.5.1 Determination of the measurement location
5.5.2 Measurement
of the wanted transmitter and adjacent channels
5.5.3 Measurement of the reflection factor and determination of the RDS programme
name and PI code
5.5.4 Determination
of the measurement location coordinates
5.5.5 Measurement
of the frequency deviation and multiplex power
5.6 Evaluation of frequency deviation and multiplex power
6 Documentation of the results
7 Standards and
Recommendations
Attachment 1 to Annex 1
Annex 2 Measurement results performed in Hungary on the
protection levels against interferers with exceeded MPX power in the FM sound
broadcasting
1 Measurement setup and
measurement methods
1.1 Measurement of RF
protection curves
1.2 Measurement of the
reduction of the peak deviation that can compensate the effect of the higher
MPX power
2 Measurement results
2.1 Measurement of RF
protection curves
2.2 Measurement of the
reduction of the peak deviation that can compensate the effect of the higher
MPX power of the unwanted transmitter
Attachment to Annex 1 List of instruments
Annex 3 Results of measurements performed in France on the
protection levels against interferers with exceeded MPX power in the FM sound
broadcasting
1 The bench test
2 Measurement results
2.1
Statistical figure for the measurement analysis
2.2 Results
3 Conclusion
Attachment to Annex 3 Measurement protocol
1 Introduction
2 Bench test design
2.1 Filtered white noise
according to Recommendation ITU-R BS.559-2
2.2 Multiplex power (MPX)
variations on interfering transmitter
2.3 Bench test description
2.4 Measuring process
Annex 4 Impact of
multiplex power levels higher than 0 dBr on the RF protection ratio of sound
broadcasting emissions in VHF band II
1 Introduction
2 Measurement setup and measurement methods
3 Measurement results
4 Consequences
5 Conclusions
Attachment 1 to Annex 4 Single results of the measurements
Attachment 2 to Annex 4 Spectrum plots of the
unwanted signal
Annex 5 Measurements of the relationship between loudness and multiplex power
in FM radio performed in France
1 Introduction
2 Experimentation system
3 Database description
4 Experimental protocol
5 Results
5.1 Effect of the multiplex power increase
on the loudness of the source audio file
5.2 Effect of the multiplex power increase
on the loudness of the received audio file
5.3 Effect of the FM transmission chain on the loudness
5.4 Synthesis
6 Conclusions
Attachment to Annex 5 Measurements