CONTENTS

Policy on Intellectual Property Right (IPR)
 1     Introduction
 2     Applicable performance metrics
 3     Assumptions
        3.1     Radio-navigation satellite service
        3.2     Radar
                  3.2.1     Receive signal model
                  3.2.2     Antenna models
 4     Protection criteria for radiodetermination radars
        4.1     Protection criteria
        4.2     Relation between acceptable interference level and radar performance
                  4.2.1     Radars without optimal reception of returned signal
                  4.2.2     Radars that use the burst of pulses
                  4.2.3     Radars with optimal reception of returned signals
        4.3     Consideration of statistical aspects of interference to radars from radio-navigation satellite systems
 5     Simulation/estimation results
        5.1     Time/amplitude characteristics of the global positioning system signals as viewed by a radar
                  5.1.1     Approach
                  5.1.2     Sampling period
                  5.1.3     Results
                  5.1.4     Conclusions using Recommendation ITU-R M.1463 radar protection criterion
        5.2     Estimation of effect from interference caused by the GLONASS System on the performance of radiodetermination radars operating in the frequency band 1 215‑1 260 MHz using alternative radar protection criteria
                  5.2.1     Returned signal power level
                  5.2.2     Interference situation simulation
                  5.2.3     Analysis of simulation results
 6     Radar/radio-navigation satellite service compatibility measurements
        6.1     System 2 – Generic radio-navigation satellite service system test
        6.2     System 5 – GALILEO/Compass test
        6.3     System 5 – GALILEO/Primary Surveillance Radar Test
 7     Technical and operational methods for reduction of interference to radars
        7.1     Reduction of interference by techniques used by primary radar
                  7.1.1     Frequency separation and agility
                  7.1.2     High-gain receiving antenna and polarization
                  7.1.3     Target data processing algorithms
                  7.1.4     Additional radar transmitted power
        7.2     Operational techniques using multiple systems
                  7.2.1     Use of beacons
                  7.2.2     Overlapping coverage
        7.3     Characteristics of radio-navigation satellite service systems to improve compatibility with radar
                  7.3.1     Radio-navigation satellite service systems signal power
                  7.3.2     Radio-navigation satellite service systems signal bandwidth
                  7.3.3     Pulsed radio-navigation satellite service systems signals
        7.4     Consideration of statistical aspects of interference to radars from radio-navigation satellite service systems
Annex 1  References
Annex 2  System 2 – Generic radio-navigation satellite service system test
 1     Description of long-range l-band radar
        1.1     General description of the radar
        1.2     Receiver processing
        1.3     Antenna characteristics
 2     Test set-up
        2.1     Desired signals
                  2.1.1     Injected targets
                  2.1.2     Live targets
        2.2     Undesired signals
                  2.2.1     General
                  2.2.2     Duration of RNSS signals with injected targets
        2.3     Live target tests
                  2.3.1     Test procedures
 3     Test results
        3.1     Simulated targets with single channel operation
        3.2     Simulated targets with dual channel operation
        3.3     Results of live sky tests
 4     Conclusions
Annex 3  Undesired signal calibration and IF selectivity
Annex 4  Radar technical characteristics
Annex 5  Radio-navigation satellite service system emission signal plots
Annex 6  System 5 – GALILEO/Compass test
        1.1     Description of radar/radio-navigation satellite service system interference test
        1.2     Test set-up
                  1.2.1     Test-bed radar
                  1.2.2     Signals from systems in the radio-navigation satellite service
                  1.2.3     Radionavigation satellite service and target signal generator
        1.3     Test data
                  1.3.1     Calibration data
                  1.3.2     Noise and interference data
                  1.3.3     Probability of detection data
                  1.3.4     Probability of false alarm data
                  1.3.5     Validation of measured data
        1.4     Conclusions
Annex 7  Calculation of probability of detection and probability of false alarm
Annex 8  System 5 – GALILEO/Radar Test
 1     System 5 – GALILEO/Radar Test
        1.1     Description
                  1.1.1     General approach
                  1.1.2     Objective
 2     Test set-up
        2.1     Overview
        2.2     Characteristics of the used test equipment
                  2.2.1     RRP-117 – Radar
                  2.2.2     Characteristics of the radar target generator
                  2.2.3     Characteristics of the GALILEO E6-signal generator
                  2.2.4     Frequency monitoring car
                  2.2.5     Calibration of the GALILEO-E6 nominal receive power level
 3     Test results
 4     Conclusion