Policy on Intellectual Property Right (IPR)
1 Introduction
2 Characteristics of radio-frequency radiation from PLT systems in the VHF
and UHF bands
2.1 Interference radiation from PLT modem systems
2.2 PLT interference field strength with horizontal polarization
2.3 PLT interference field strength with vertical polarization
2.4 PLT interference into FM and DAB systems
2.5 Conclusion
3 Radio system characteristics, protection criteria, and impact of PLT
systems on radiocommunication systems in the VHF and UHF bands
3.1 Broadcasting
3.1.1 Minimum usable field strength of broadcast systems
with regard to PLT systems at frequencies above 80 MHz
3.1.2 Maximum interference field-strength densities at
the broadcast receiving system
3.2 Amateur and amateur satellite
3.2.1 Background noise levels in the 144-148 MHz
band
3.2.2 Characteristics of amateur stations in the
144-148 MHz band
3.2.3 Protection requirements for amateur stations in the
220-225 MHz band
3.2.4 Protection requirements for amateur stations in the
420-450 MHz band
3.2.5 Other services operating in the domestic
environment with similar requirements
3.3 Aeronautical mobile
3.4 Maritime mobile
3.5 Radiodetermination service
3.6 Land mobile
3.7 Radio astronomy
3.8 Mobile-satellite service
3.8.1 Frequency bands
3.8.2 Protection criterion
3.8.3 System parameters
3.8.4 Specific case of the band 406-406.1 MHz
3.9 Radionavigation-satellite service
3.9.1 Frequency bands
3.9.2 Protection criterion
3.9.3 System parameters
3.10 Other radiocommunication systems/applications
3.10.1 Wireless medical implant communication systems
4 Potential means for preventing or eliminating interference
4.1 Adaptive EMC measures
4.2 Permanent notching
4.3 Dynamic notching
4.4 Geolocation notching
4.5 Transmit power control in ITU-T Recommendation G.9960
4.5.1 Construction of transmit PSD mask
4.5.2 Notification of transmit PSD mask
4.5.3 PSD ceiling
4.5.4 References
4.6 Conclusion for preventing or eliminating interference
5 Overall conclusions
Annex 1 Noise radiation and propagation considerations in the VHF and UHF
bands
A1 Detailed analysis of mode conversion at the switch branch
A1.1 Mixed-mode scattering matrix of a balanced transmission line
unilaterally loaded with a stub in series
A1.1.1 Theoretical formulations
A1.1.2 Results
A1.1.3 Conclusions
Annex 2 Analyses of potential interference in the VHF and UHF bands
A2 Interference to VHF/UHF radio systems from harmonics of power line
telecommunication systems operating in the VHF bands between 80 and
200 MHz
A2.1 Domestic radio systems
A2.1.1 Conclusion
A2.2 Compatibility between aeronautical radio and PLT in-house
devices in the frequency range 30 MHz-380 MHz
A2.2.1 Compatibility analysis for interferences in
aeronautical radio
A2.2.2 Calculation of interference threshold for PLT due
to aeronautical requirements
A2.2.3 Calculation of power flux-density caused by limits
provided by PLT system standards
A2.2.4 Comparison of interference threshold required for
airborne receiver and interference caused by PLT systems
A2.2.5 Conclusions
A2.3 PLT aggregation model applicable for aircraft radiocommunication
and radionavigation systems
Annex 3 Radio-frequency radiation from PLT systems in
the VHF and UHF bands
A3 Radio-frequency radiation from PLT systems in the VHF and UHF bands
A3.1 Institut für
Rundfunktechnik GmbH measurements of PLT modems
A3.1.1 Overview of the measurements
A3.1.2 PLT performance
A3.1.3 Frequency spectrum measurements
A3.1.4 Interference radiation of the Belkin PLT modem “Power
line Gigabit” F5D4076‑S v1
A3.1.5 Field strength with horizontal polarization
A3.1.6 Field strength with vertical polarization
A3.1.7 Real interference of the FM and DAB reception
A3.1.8 Conclusion from the IRT measurements
A3.2 Communication Research Centre (Canada) measurements of PLT
modems
A3.2.1 CRC measurement procedure and conducted emission
results
A3.2.2 Conclusions from the CRC measurements
A3.3 CBS Broadcasting and National Public Radio measurements of a
“Gigabit” PLT modem
A3.3.1 Measurement procedure
A3.3.2 Conducted emission measurement results for the
Belkin “Gigabit power line HD” F5D4076‑S v2 PLT modem
A3.3.3 FM receiver interference from the Belkin “Gigabit
power line HD” F5D4076‑S v2 PLT modem
A3.3.4 Conclusions from the CBS/NPR measurements
A3.4 BBC measurements of radiation from PLT networks
A3.4.1 Introduction
A3.4.2 Measurements in the screened room
A3.4.3 Measurements in Home A
A3.4.4 Measurements in Home B
A3.4.5 Conclusions