Policy on Intellectual Property Right (IPR)
1 Radar system options
1.1 Operational measures,
sector blanking
1.2 Operational measures,
selection or adjustment of transmitter frequency
1.3 Replacement of
transmitter device
1.4 RF filter installation
in the radar transmitter
2 Radio-relay system options
2.1 Microwave RF filters
2.2 Antenna selection
2.3 DRRS antenna diversity
2.4 Antenna site shielding
2.5 Forward error
correction (FEC)
2.6 Additional bit
interleaving
2.7 Radio‑relay
transmitter power increase
2.8 Alternate radio-relay
RF channel selection
2.9 Alternate band
employment
2.10 Alternate path routing
3 Proactive role of
administrations
1 Introduction
2 Information received from Japan
2.1 Countermeasure for
land fixed radar interference
2.2 Countermeasure applied
to receiver side
2.3 Countermeasure for
maritime mobile radar interference
3 Information received from
Denmark
3.1 Identification of
sources of interference
3.2 Examples of mitigation
of interference from large fixed radar installations
4 Information received from
Germany
4.1 Introduction
4.2 Spurious emissions by
magnetrons
4.3 Suppression of
spurious emissions by using a filter
4.4 Conclusion
5 Information received from
Sweden
5.1 Radio-relay system and
path data
5.2 Weather-radar system
data
5.3 Radar spurious
emissions
5.4 Suppression of
spurious emissions by using a filter
5.5 Result from
measurements
5.6 BER versus received
signal level
5.7 Conclusion
6 Information found in other
published sources
1.1 Frequency-dependent
rejection (FDR)
1.2 Time waveform response
1.3 Background or residual
dribbling error ratios
1.4 Error ratios
momentarily above the threshold
1.5 Severely error seconds
(SES) events
1.6 Out-of-frame (OoF) and
loss of service (LoS)
1.7 Far sidebands of the
radar fundamental signal
1.8 Consideration of the
amount of radar range reduction caused by the introduction of spurious
suppression filters
1.9 Bit interleave
technique (BIT)
1.10 Interference
ramifications
1.11 Fixed radar
interference
1.12 Mobile radar
interference
2 Summary