ANNEX - Potential interference from
spaceborne active sensors into radionavigation-satellite service receivers in the
1 215-1 260 MHz band
1
Introduction
2
Technical
characteristics of a spaceborne SAR
3
Characteristics
and protection criteria of GPS and GLONASS-M systems
4
Compatibility
analyses
4.1
Compatibility
analysis with consideration of SNR degradation
4.2
Compatibility
analysis with consideration to GPS receiver tracking loop gain
4.2.1 Introductory assumptions
4.2.2 Information contained in the reference documents
4.2.3 Assumptions concerning the GPS receiver operation
4.2.4 Interference from SARs into GPS receivers
4.2.5 Conclusion based on this compatibility analysis with
consider to the GPS tracking loop gain
5
GPS/SAR
compatibility demonstration
6
Summary