Report ITU-R RA.2552-0
Policy on Intellectual Property Right (IPR)
1 Introduction and background
2 Technical characteristics
2.1 RAS protection
criteria
2.2 Sample
IMT systems characteristics for use in calculation of coordination distances
3 Elements to be considered
for coordination
3.1 Determination of
coordination distances
4 Methodology: procedures and
numerical framework for compatibility calculations
4.1 Worst case
calculations
4.1.1 RAS
station parameters
4.1.2 IMT
parameters
4.1.3 Propagation
and clutter models
4.2 Aggregated power
scenario
4.2.1 IMT
deployment
4.2.2 Effective
antenna gains and propagation losses
4.2.3 UE
power control
4.2.4 Aggregated
power at the RAS receiver
5 Further analysis and
methods to enhance compatibility
5.1 Introduction
5.2 Factors of
interest to this analysis
5.2.1 Appropriate
propagation conditions
5.2.2 IMT
site planning
5.2.3 AAS,
beamforming, and antenna orientation
6 Summary
Annex 1 Technical background
A1.1 Calculating
effective transmitted IMT power towards RAS stations
A1.1.1 Introduction
A1.1.2 Sampling
UE positions in a BS sector
A1.2 Beamforming,
geometrical calculations, and effective antenna gain
A1.2.1 Spherical
coordinates
A1.2.2 Rotation
matrices
A1.2.3 Basis
systems and basis change
A1.2.4 Beam
pointing in rotated frames
A1.2.5 Determination
of effective antenna gains
A1.3 Sampling BS
locations according to land cover types
A1.4 Inverse sampling
Annex 2 Generic example and case study calculations
A2.1 Generic
(flat-terrain) single-entry and aggregation simulations
A2.1.1 Study
parameters
A2.2 Single-interferer
scenario
A2.2.1 Base
stations
A2.2.2 User
equipment
A2.3 Aggregated power
scenario
A2.3.1 IMT
deployment
A2.3.2 Effective
antenna gains and propagation losses
A2.3.3 UE
power control
A2.3.4 Aggregated
power at the RAS receiver
A2.4 Results
A2.4.1 Adjacent-band
case (spurious domain)
A2.4.2 In-band
(sharing) case
Annex 3 (informative) Sharing and compatibility studies conducted by
Japan between RAS operating in the band 42.5-43.5 GHz and IMT systems operating
around 42.5 GHz
A3.1 Introduction
A3.2 Sharing and
compatibility studies between a RAS station and IMT BSs
A3.2.1 Parameters
used in the sharing and compatibility studies
A3.2.2 Study
results between the IMT BSs and the VERA Mizusawa station
A3.2.3 Study
results between the IMT BSs and the Nobeyama 45-m Telescope
A3.2.4 Study
results between the IMT BSs and the VERA Iriki station
A3.3 Summary of study
Annex 4 Sharing and compatibility studies for European radio
observatories
A4.1 Introduction
A4.2 Study parameters
A4.3 Singe-interferer
scenario
A4.4 Summary