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