Policy on Intellectual Property Right (IPR)
1 Introduction
1.1 Data communication over
electrical power lines
2 Characteristics of radio frequency
emission from PLT Systems
2.1 Radiation sources in a PLT
system
2.1.1 Differential-mode
and common-mode currents
2.1.2 Generation of the
common-mode PLT current
2.1.3 Common-mode current
launched at the PLT modem output port
2.1.4 Converted
common-mode current
2.1.6 Shielding
effectiveness of the exterior walls of a house
3 Radio system characteristics, protection
criteria, and impact of PLT systems on radiocommunication systems
3.1 Broadcasting
3.1.1 General
characteristics of analogue LF, MF and HF broadcasting
3.1.2 General
characteristics of DRM digital LF, MF and HF broadcasting
3.1.3 LF, MF, HF and VHF
radio broadcasting frequency ranges
3.1.4 Protection criteria and acceptable interference
3.2 Amateur and amateur satellite
3.2.1 General characteristics
3.2.2 Amateur frequency
allocations
3.2.3 The protection
requirements of the HF amateur radio service
3.3 Aeronautical mobile and radionavigation
3.3.1 Results
3.4 General protection criteria
considerations HF fixed and land mobile
3.4.1 Protection criteria
and protection requirement
3.4.2 A possible
protection criteria
3.4.3 Automatic link
establishment systems
3.5 Maritime mobile
3.5.1 Background
3.5.2 Frequencies
allocated for maritime communications
3.5.3 Receiver parameters
for the maritime mobile service in MF and HF bands
3.5.4 Hyperbolic
radionavigation systems
3.5.5 LF/MF maritime
radionavigation beacons
3.6 Radiolocation
3.6.1 Oceanographic radar
systems in the bands 3-50 MHz
3.6.2 System
characteristics
3.7 Fixed
3.7.1 Fixed system
characteristics
3.7.2 Protection criteria
3.8 Radio astronomy
3.9 Standard frequency and time
4 Potential means for preventing or
eliminating interference
4.1 Mitigation factors and methods
for power line communications
4.1.1 Attenuation of
conducted signals
4.1.2 Frequency band
exclusions
4.1.3 Geographical
exclusion zones
4.1.4 Consultation area
requirements
4.1.5 Adaptive
interference techniques
4.1.6 Interference
complaint procedures
4.1.7 PLT operator
database
4.2 Studies of mitigation techniques
4.2.1 Study of mitigation
techniques in Brazil
4.2.2 Intermodulation
effects on the depth of spectrum notches in PLT systems
5 Overall conclusions
Annex 1 Noise, radiation and propagation considerations
A1 Noise, radiation and propagation
considerations
A1.1 Noise level in the HF band
A1.1.1 The ambient noise
environment
A1.1.2 Measuring the
ambient noise floor
A1.1.3 Determination of
the noise level
A1.2 Propagation mechanisms
A1.2.1 Near-field and
ground-wave propagation
A1.2.2 Sky wave
propagation
A1.2.3 Examples of
propagation calculations and studies
Annex 2 Analyses of potential interference
A2 Analyses of potential interference
A2.1 A modelling analysis for the
radio astronomy service
A2.1.1 Uses of HF bands by
the RAS
A2.1.2 Separation distances
between a RA antenna and a PLT system in the HF region
a) Direct path calculation
b) Ionospheric propagation
A2.1.3 Discussion
A2.1.4 Conclusions
A2.2 Overview of power line
telecommunication systems interference to the broadcasting service
A2.2.1 Introduction
A2.2.2 Interference
effects into low VHF television
A2.2.3 Interference
effects into the HF band
A2.2.4 Summary and
conclusions
A2.3 Effects of interference from PLT
into the broadcasting service below 30 MHz
A2.4 Methodology for calculation of
cumulative HF skywave interference from power line telecommunication
systems
A2.4.1 Governmental
skywave interference example into Winnipeg, Canada
Cumulative PLT tool execution within MATLAB is shown below:
A2.4.2 NTIA study on
ionospheric propagation and aggregation of Access PLT emissions
A2.4.3 Results
on calculation of cumulative HF sky-wave interference caused by power line
telecommunication systems
1 Power radiated from a single PLT system
2 Cumulative treatment of distributed PLT
systems
3 Calculation of the cumulative field
strength distribution through HF sky-wave propagation
A2.4.4 Compatibility study
results between the radio astronomy observations in the HF band and cumulative
HF sky-wave interference caused by in-house power line telecommunication
systems
A2.5 Experimental results of the
subjective assessment test on HF analogue broadcast reception interfered with
by PLT
A2.5.1 Test methods
A2.5.2 Test results
A2.5.3 Test equipment
A2.6 Compatibility analysis regarding
protection requirements of HF aeronautical mobile radio in relation to PLT
in-house devices
A2.6.1 Introduction
A2.6.2 Study assumptions
A2.6.3 Compatibility
model/geometrical computation
A2.6.4 Evaluation
threshold for the aeronautical radio
A2.6.5 Results of the
analysis
A2.6.6 Other determinants
A2.6.7 Requirements toward
PLT devices for protecting the HF aeronautical mobile service
Annex 3 Radio frequency emissions from PLT systems
A3 Radio frequency emissions from PLT
systems
A3.1 Measurement of access PLT non
intentional radiated RF levels on HF bands
A3.1.1 Introduction
A3.1.2 Objective
A3.1.3 Interference
concept
A3.1.4 Test description
A3.1.5 Comments
A3.1.6 Possible mitigation
technique
A3.1.7 Conclusions
A3.2 Measurements of the radiated
emissions from in-house power line telecommunications devices into the
residential environment in Canada
A3.2.1 Introduction
A3.2.2 Conducted power
measurement – Test procedure and results
A3.2.3 Field strength
measurements – Procedure and results
A3.2.4 Conclusions
A3.3 Measurement results of the
radiated emissions from in-house power line telecommunications systems into the
residential environment in the test conducted in Japan
A3.3.1 Introduction
A3.3.2 Measurement method
A3.3.3 Condition of PLT
communication
A3.3.4 Measurement result
A3.4 Measurement results of leaked
emissions by access PLT system in the HF and the UHF bands
A3.4.1 Introduction
A3.4.2 Field experiment at
Mt. Akagi, Japan, in July 23, 2002
A3.4.3 Leaked emissions in
the HF band
A3.4.4 Spurious emission
in the UHF band
A3.4.5 Comparison of the
PLT noise level with Recommendation ITU-R RA.769 at 327 MHz
A3.4.6 Conclusions
A3.5 Distance separation measurements
A3.5.1 Distance separation
measurements in Brazil
A3.5.2 Distance separation
measurements in Canada
A3.5.3 Distance dependence
of the leaked electric field caused by in-house PLT systems separation
measurement in Japan
Appendix 1 to Annex 3 Measurements of EM radiation from in-house PLT
devices operating in a residential environment – Field Test Report
Annex 4 Design examples of PLT technology
A4 Design examples of PLT technology
A4.1 Examples of a PLT network
topology
A4.2 General design considerations
A4.2.1 Media access
control
A4.2.2 Repeaters
A4.2.3 Multiplexing and
multiple access approaches
A4.2.4 Distance
A4.3 PLT network architectures on MV
distribution lines
A4.4 PLT network architectures on low
voltage distribution lines
A4.4.1 Low density PLT
network topology
A4.4.2 High density PLT
network topologies
A4.4.3 PLT star network
topology
A4.4.4 PLT tree network
topology
A4.4.5 PLT multi-floor
network topology