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