CONTENTS

Policy on Intellectual Property Right (IPR)
 1     Introduction
 2     Detection of weak signal
        2.1     Locked-in amplifier
        2.2     Sampled integration
        2.3     Correlation
                  2.3.1     Cross-correlation
                  2.3.2     Auto-correlation
        2.4     Adaptive noise cancelling
 3     Co-frequency signal separation
        3.1     Single-channel separation
                  3.1.1     Strong-signal recovery
                  3.1.2     Single-channel independent component analysis
        3.2     Multi-channel separation
                  3.2.1     Spatial spectrum based beam-forming
                  3.2.2     Multi-channel ICA
 4     Multi-mode location (based on a combination of location technologies)
        4.1     Angle of arrival
        4.2     Time difference of arrival
        4.3     Frequency difference of arrival
        4.4     Power of arrival
        4.5     ID-Aided
        4.6     Gain ration of arrival
 5     Conclusion
Annex 1  Examples of the application of advanced monitoring techniques
       A1.1     Correlation application in satellite interference finding
       A1.2     Strong-signal recovery application in satellite monitoring
       A1.3     Single-channel ICA application for signal separation
       A1.4     Spatial spectrum based beam-forming in HF/VHF monitoring
       A1.5     Multi-channel ICA application for signal separation
                  A1.5.1     Details of tests
                  A1.5.2     Test results
                  A1.5.3     Interference detection processing
       A1.6     GSM base station geolocation
Annex 2  Examples of the application of combined geolocation
       A2.1     Hybrid AOA/TDOA
       A2.2     Hybrid TDOA/GROA
                  A2.2.1     Introduction
                  A2.2.2     Architecture of grid monitoring network
                  A2.2.3     System functionalities
                  A2.2.4     Conclusion