Policy on Intellectual Property Right (IPR)
1 Introduction
1.1 Resolution 205 (Rev.WRC-12)
1.2 Report objective
1.3 Overview of Cospas-Sarsat system, various types of satellites
and related payloads
2 Existing situation concerning the MSS band 406-406.1 MHz
3 Protection of the frequency band 406-406.1 MHz: Maximum permissible
level of interference
3.1 Narrow-band spurious emissions
3.1.1 Protection for narrow-band spurious emissions for
the low Earth orbit space segment
3.1.2 Protection for narrow-band spurious emissions for
the geostationary Earth orbit space segment
3.1.3 Protection for narrow-band spurious emissions for
the medium Earth orbit space segment
3.2 Wide-band emissions
3.2.1 Protection for wide-band emissions for the low
Earth orbit space segment
3.2.2 Protection for wide-band emissions for the GEO
space segment
3.2.3 Protection for wide-band emissions for the Medium
Earth Orbit (MEO) space segment
4 Monitoring of the MSS band 406-406.1 MHz and in adjacent frequencies
5 Technical characteristics of the systems being deployed in adjacent
bands
5.1 Technical characteristics of EESS (Earth-to-space) service
(data collection platforms) operating in the 401 to 403 MHz range
5.2 Technical characteristics of the mobile services
5.2.1 ITU-R Documentation
5.2.2 Deployment of mobile services within CEPT
Administrations
5.2.3 Deployment of mobile services within Canada
5.2.4 Unwanted levels according to ITU-R Recommendations
and ETSI Standards for land mobile systems
5.3 Technical characteristics of the meteorological-aids service
5.4 Technical characteristics of the mobile satellite service
6 Computation of simulations, results and assessment analysis
6.1 Assessment of interference from EESS (Earth-to-space) service
(Data Collection Platforms DCP) operating in the 401 to 403 MHz range
6.1.1 Low Earth orbit satellites
6.1.1.2 Assessment of EESS (Earth-to-space)
service (data collection platform) interference to low Earth orbit satellite
6.1.2 Geostationary orbiting satellites (GEO)
6.1.3 Medium altitude orbiting satellites (MEO)
6.1.4 Application of the narrow-band criterion
6.1.5 Results
6.1.6 Conclusion
6.1.7 Conclusion for MSS within the in the 399.9-400.05
MHz frequency band (Earth-to-space)
6.2 Assessment of interference from radiosondes operating in the
meteorological aids service
6.2.1 Low Earth Orbit Satellites
6.2.2 Geostationary orbiting satellites
6.2.2.1 Interference criteria
6.2.2.3 Results of radiosonde interference
to geostationary orbiting satellites (GEO)
6.2.3 Medium altitude Orbiting Satellites (MEO)
6.2.3.4 Conclusion for interference from
radiosondes to the wide-band criterion
6.3 Application of a single radiosonde to the narrow-band
interference criterion
6.3.1 Received frequency drift
6.3.2 Results
6.3.3 Conclusion
6.4 Assessment of interference from the operation of mobile systems
in the 390‑420 MHz range in CEPT countries
6.4.1 Impact of mobile service in operation within the
band 406.1 to 408 MHz
6.4.1.3 Impact on the GSO satellites
6.4.2 Impact of mobile service in operation within the
band 408 to 410 MHz
6.4.2.3 Impact on the GSO satellites
6.4.3 Impact of mobile service in operation within the
band 410 to 414.5 MHz
6.4.3.1 Impact on the LEO satellite
6.4.3.2 Impact on the MEO satellites
6.4.3.3 Impact on the GSO satellites
6.4.4 Impact of mobile service in operation within the
band 414.5 to 420 MHz
6.4.5 Impact of mobile service in operation within the
band 395 to 399.9 MHz
6.4.6 Impact of mobile service in operation within the
band 390 to 395 MHz
6.4.6.3 Impact on the GSO satellites
6.5 Impact of mobile service in operation within the band 403 to
420 MHz in China
6.5.1 Impact of mobile service in operation from 403 to
420 MHz
6.6 Effect of increased land mobile system deployment in the
406.1–420 MHz band on the Cospas-Sarsat systems in Region 2
6.6.1 Station distribution for LEOSAR simulation
6.6.2 Station distribution for MEOSAR simulation
6.6.4 Summary
7 Overall summary
7.1 EESS (Earth-to-space) service (platforms data collection)
7.2 Meteorological Aids
7.3 Land mobile service
7.4 Overall interference
8 Considered interference mitigation measures
8.1 List of mitigation measures concerning the radiosondes in
operation below 406 MHz
8.2 List of mitigation measures concerning the mobile services in
operation above 406.1 MHz
3) Guard bands
8.3 Calculation of the guard band above 406.1 MHz
8.3 Calculation of the guard band below 406 MHz
9 Conclusion
Annex 1 Spectrum monitoring
activities regarding the band 406-406.1 MHz
A1.1 Goals, objectives, and description of tests
A1.2 Test results and analysis
A1.2.1 GEO Data
A1.2.2 MEO Data– Spectral activity via DASS
A1.2.3 MEO Data – Spectral activity via by Glonass
A1.2.4 MEO Data – Approximate Localization
A1.3 Conclusions
Annex 2 CEPT utilization of the 390-420 MHz frequency
band