Report ITU-R RS.2537-0
Policy on Intellectual Property Right (IPR)
1 Introduction
Annex 1 Representative technical characteristics of EESS (active) spaceborne
synthetic aperture radar sensors and receiving earth stations in the RNSS and a
general analytic method used in evaluating the potential for pulsed radio
frequency interference to receiving earth stations in the RNSS in the
1 215-1 300 MHz band
1 Introduction
2 Representative technical characteristics of EESS spaceborne SARs
3 Characteristics of RNSS receivers
4 Analytic evaluation method for pulsed RFI from spaceborne SARs to RNSS
receivers
4.1 Assessment of potential for RNSS receiver damage or saturation
4.2 Assessment of potential for RNSS receiver performance
degradation
4.2.1 RNSS receiver effective noise density general
formula
4.2.2 RNSS receiver performance degradation computation
4.2.3 Allowable RNSS receiver degradation and associated
model parameters
5 Summary
Annex 2 Analytic method application examples of evaluating the potential for
one spaceborne synthetic aperture radar pulsed radio frequency interference to
RNSS Earth station receivers operating in the 1 215-1 300 MHz band
1 Introduction
2 RNSS received power damage and saturation level example calculations
3 RNSS receiver performance degradation calculation examples using the
analytic evaluation method
3.1 SBAS ground reference receiver pulsed RFI evaluation case
3.1.1 Computation of the received effective pulsed RFI
duty cycle parameter, PDCLIM
3.1.2 SBAS ground reference receiver pulsed RFI
degradation computation
3.2 GLONASS receiver pulsed RFI evaluation cases
3.2.1 Computation of the received effective pulsed RFI
duty cycle parameter, PDCLIM
3.2.2 GLONASS receiver pulsed RFI degradation computation
3.2.3 Results of PDC and receiver pulsed RFI degradation
computation for GLONASS receiver from all types of active sensors
4 Summary