Policy on Intellectual Property Right (IPR)
1 Introduction
2 Background
Attachment 1 to Part A Scattering model calculations
1 Introduction
2 Analysis
2.1 Overview
2.2 Analysis of
Recommendation ITU-R BT.805 mathematics
2.3 Numerical example
2.4 Extension of the
analysis
2.4.1 Non-metallic
turbine blades
2.4.2 Triangular
turbine blades
2.4.3 Arbitrary
orientation of turbine blades
2.4.4 Scattering
from pylon
2.4.5 Effect of
antenna directivity and reception geometry
Attachment 2 to Part A The effect of the scattering of
digital television signals from wind turbines
1 Introduction
1.1 Overview of study
1.2 Measurement overview
2 Predicted performance with
software models
2.1 Overview
2.2 Geographic summary
2.3 Predicted interference
map from pylon scattering
2.4 Predicted interference
map from blade scattering
2.5 Predicted receiver
performance
3 Measurement results
3.1 Overview
3.2 Measurement with
single multipath component scattering
3.3 Dynamic interference
signal performance
3.4 Measured impulse
response
3.4.1 Overview
3.4.2 Backscattering
case
3.4.3 Forward
scattering case
3.5 Effect of receiving
antenna height and ground reflections
4 Conclusions
1 Introduction
Attachment 1 to Part B Field trials
1 Objectives of the field trials
2 Geographical overview
3 Planning
4 Measurement equipment
Attachment 2 to Part B Empirical analysis of the scattering
signals from wind turbines
1 Preliminary results from field
trials
1.1 Signal scattering from
a wind turbine
2 Preliminary conclusions of the
analysis
Attachment 2.1 to Part B Summary of measurements and
analysis of the results
1 Introduction
1.1 Wind turbines
structure and nature of the scattered signals
1.2 Scattering pattern
2 Modification to Recommendation
ITU-R BT.1893-0
3 Methodology
3.1 Use of the channel
impulse response for the evaluation of the scattered signals
3.2 Types of measurements
4 Results and discussion
4.1 Relative amplitude of
the scattered signals from wind turbines
4.2 Variability of the
scattered signals due to the blade rotation
4.3 Variability of the
scattered signals due to blade pitch variation
4.4 Variability of the
scattered signals due to the variation in the rotor orientation (yaw)
4.5 Geometry of wind
turbines location with respect to transmitter and receiver locations
5 Analysis and discussion
Attachment 3 to Part B A multipath channel model to
characterize signal propagation in presence of a wind farm in the UHF band
1 Introduction
2 Summary of contributions to
Recommendation ITU-R BT.1893
Attachment 3.1 to Part B Wind farm channel model
Attachment 3.2 to Part B Wind farm scattering model
1 Introduction
2 Theoretical basis of the
proposed scattering model
2.1 Bistatic RCS of a
circular cylinder
2.2 Near field effects
3 Wind farm scattering model
Attachment 3.3 to Part B Wind farm Doppler spectra model
1 Doppler power spectral density
characterization
Attachment 4 to Part B Wind turbines impact to terrestrial
DTV services in the UHF band
1 Introduction
2 Summary of contributions to
Recommendation ITU-R BT.1893
Attachment 4.1 to Part B Empirical Evaluation of the Impact
of Wind Turbines on DVB-T Reception Quality
1 Introduction
2 Methodology
3 Analysis of the propagation
channel
3.1 Backscatteringregion
3.2 Forward scattering
region
4 Results and discussion
4.1 Backscattering
4.2 Forward scattering
region
5 Conclusions
Attachment 5 to Part B Example of use
1 Adaptation of the channel model
to a particular reception condition
1.1 Number of paths
1.2 Relative delays of the
paths
1.3 Mean amplitude of the
paths
1.4 Doppler spectra
2 Estimation of the impact on DTV
services
2.1 Impact on DVB-T
Attachment 1 to Part C Example of use
1 Wind turbine impairment
evaluation: the Lagopesole case