Annex 1 - An analytical methodology
for calculating interference probability from non-GSO MSS earth station to LMS
operating below 1 GHz
1 Introduction
2 Interference model
between non-GSO MSS system and land mobile communications system
3 Propagation loss between
MES and base station of MS system
4 System parameters
5 Computation of the
interference coordination distance when the existing MS system is in the
communications mode
5.1
Interference
from MES to base station (path (1) in Fig. 3)
5.2
Interference
from MES to LMS (path (2) in Fig. 3)
6 Computation of the
interference coordination distance when the existing MS system is in the
waiting mode
6.1
Interference
from MES to base station (path (1) in Fig. 3)
6.2
Interference
from MES to LMS (path (2) in Fig. 3)
7 Evaluation of
interference probability
7.1
Probability
of co-channel transmission of MS system and MES
7.2
Other
parameters to be considered
7.3
Overall
of interference probability
Annex 2 -
Methods and statistics for determining sharing between MSS earth station transmitters below 1 GHz and mobile
stations
1 Introduction
2 Potential interference from MSS to mobile services
3 Summary of the
methodology
3.1
Coordination
contour
3.2
Calculation
of threshold exceedance probability
3.2.1
Geographic
area for the calculation
3.2.2
Single
transmitter pfd probability density function
3.2.3
Multi-carrier
pfd probability density function
3.2.4
Probability
that MES transmitters are activated
3.2.5
Exceedance
probability
3.2.6
Exceedance
probability versus actual interference
4 Reference propagation
model
5 Probability of multiple MES transmissions
6 Evaluation of single
carrier pfd probability distribution
7 Evaluation of
multi-carrier pfd probability distribution
8 Determination of MES
transmission probability
9 Calculation of
exceedance probability
Appendix 1
to Annex 2 - Example application of the calculation methodology
1
Introduction
2
Protection contour calculation
3
Pfd distributions
4 Interference probability
Annex 3 -
Statistical modelling of frequency sharing between stations in the MS and non-GSO MSS earth stations with primary
allocations (Earth-to-space) below 1
GHz
1 Introduction
2 Statistical modelling of
interference from non-GSO MSS MESs into mobile service stations
3 Modelling of
interference from mobile service stations into non-GSO MSS satellites
Appendix 1
to Annex 3 - Example applications of the statistical models
1 Introduction
2 Potential interference
from non-GSO MSS earth stations into LMS
3 Potential interference
from LMS into non-GSO MSS satellites
Annex 4 -
Use of the dynamic channel assignment technique for frequency interference
avoidance
1 Introduction
2 DCAAS operation
2.1
Channel
selection
2.2
Channel
implementation
2.3
Message
lengths
3 DCAAS probability
considerations
3.1
Probability
of assigning an active channel
3.2
Probability
of an MES transmitting near a mobile receiver
4 Summary of interference
avoidance due to the DCAAS technique
4.1
Aspects
of the sharing approach
5 Demonstration of
avoidance of interference
5.1
Initial
tests simulation
5.2
Demonstration
tests
5.2.1
Satellite
receiver sensitivity tests
5.2.2
DCAAS
testing
5.2.3
Interference
into land mobile systems