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Annex 1 Analytic method for the preliminary evaluation of the potential for
pulsed interference from relevant radio sources other than in the RNSS to an
RNSS system or network operating in the bands 1 164-1 215 MHz,
1 215-1 300 MHz and 1 559-1 610 MHz
1 Introduction
2 Characterization of pulsed RFI effects on RNSS receivers
2.1 Effective noise density calculation method (receiver pulse
blanking)
2.2 Effective noise density calculation (receiver pulse saturation)
2.3 Usage limits for effective noise power spectral density (N0,EFF)
equations
3 Pulsed RFI evaluation method concepts
3.1 Additional pulsed RFI to a pulse blanking RNSS receiver (case
1)
3.2 Additional pulsed RFI to a saturating RNSS receiver (case 2)
3.2.1 Saturating RNSS receiver – non-zero baseline pulsed
RFI (case 2a)
3.2.2 Saturating RNSS receiver – zero baseline pulsed RFI
(case 2b)
4 Allowable degradation ratios and associated evaluation method parameters
Annex 2 Application examples of the pulsed RFI analytic evaluation method
1 RNSS receiver operational baseline case description
2 Analytic method pulsed RFI degradation ratio calculation examples
2.1 SBAS ground reference receiver pulsed RFI degradation ratio
calculation
2.2 High-precision semi-codeless receiver pulsed RFI degradation
ratio calculation