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