RECOMMENDATION ITU-R F.240-6 - SIGNAL-TO-INTERFERENCE PROTECTION RATIOS FOR VARIOUS CLASSES OF EMISSION ...
ANNEX 1 - Measurement of protection ratios for J3E emission
1. Introduction
2. Measurement
    2.1 Measurement principle
    2.2 Interfering signals
    2.3 Measurement method
3. Measurement results
    3.1 MOS versus S/N ratio
    3.2 MOS versus S/I ratio
4. Considerations
    4.1 MOS
    4.2 Protection ratios
ANNEX 2 - Conversion factors for deriving the protection ratios
1. Introduction
2. Calculation of protection ratios
    2.1 Calculation method
    2.2 J3E emission
    2.3 R3E, H3E and A3E emissions
    2.4 B8E emission
3. Assumptions for conversion factors
    3.1 J3E emission
    3.2 R3E emission
    3.3 H3E emission
    3.4 A3E emission
    3.5 B8E emission
    3.6 Mean power of speech signal
ANNEX 3 - Measurement of protection ratios and minimum necessary frequency separation for class of emission J7B
1. Introduction
2. Experiment
    2.1 Measurement of protection ratios
    2.2 Determination of minimum frequency separation
    2.3 Measurements of multiplex mode 2AT
3. Conclusions