Policy on Intellectual Property Right (IPR)
ANNEX 1
Protection of the broadcasting service from the fixed and land
mobile services
1. Minimum field strength to be
protected
2. Protection ratios
2.1 General
2.2 Protection ratios for
the vision channel
2.2.1 525-line
systems
2.2.2 625-line
systems
2.3 Protection ratios for
the sound channel
2.3.1 Analogue
sound systems (one or two-sound carrier systems)
2.3.2 Digital
sound systems
2.4 Protection ratios for
out-of-channel interference
2.4.1 Adjacent
channels
2.4.2 Image
channels
2.4.3 Other types
of interference
3. Protection margin for
television services
4. Additional factors to be
considered
4.1 Adjustment factors
(AF)
4.1.1 Interference
from stations of the fixed service or base stations of the land mobile service
which are orthogonally polarized with respect to a station of the television
service
4.1.2 Interference
from stations of the fixed service or base stations of the land mobile service
which have the same polarization as a station of the television service
4.1.3 Interference
from a land mobile station operating at more than 40 km outside the coverage
area of a station of the television service
4.1.4 Interference
from a land mobile station operating less than 40 km from a receiving site of a
station of the television service
4.2 Multiple interference
from co-sited sources
4.3 Multiple interference
from non co-sited sources
4.4 Effective transmitting
antenna heights
5. Interference assessments
PART II
Sound broadcasting services
1. Minimum field strengths to be
protected
2. Protection ratios
3. Protection margin for sound
broadcasting services
4. Additional factors to be
considered
4.1 Adjustment factors
(AF)
4.1.1 Interference
from a land mobile station operating at more than 40 km outside the coverage
contour of a station of the sound broadcasting service
4.1.2 Interference
from a land mobile station operating less than 40 km from a receiving site of a
station of the sound broadcasting service
4.2 Multiple interference
from co-sited sources
4.3 Multiple interference
from non co-sited sources
4.4 Effective transmitting
antenna heights
5. Interference assessments
APPENDIX 1
“Determination of the usable field strength by the simplified
multiplication method
4.1 The concept of usable
field strength
4.2 Calculation of the
probability integral
4.2.1 Tabular
evaluation
4.2.2 Evaluation
using the Hastings approximation
4.3 Practical
calculation procedures to determine the usable field strength
APPENDIX 2
“2.1.3 Effective
transmitting antenna height
ANNEX 2
Protection of the land mobile service from the broadcasting
service
1. Minimum field strength values
to be protected
1.1 Protection of analogue
speech systems
1.2 Protection of digital
speech systems
2. Protection ratios
2.1 Sharing with the
broadcasting service (television) when the mobile channel falls within the
television channel
2.2 Sharing with the
broadcasting service (sound) when the mobile channel falls within 600 kHz of
the broadcasting channel
2.3 Other interference
mechanisms
2.3.1 Desensitization
2.3.2 Intermodulation
products
2.3.3 Spurious
responses
3. Protection margin
3.1 Assessment of the
protection margin
4. Additional factors to consider
4.1 Receiving antenna
discrimination
4.2 Antenna heights
5. Interference assessments
ANNEX 3
Protection of the fixed service from the broadcasting service
Introduction
1. Minimum field strength to be
protected
2. Protection ratios
2.1 Sharing in the
broadcasting channel (television)
2.2 Sharing outside the
broadcasting channel (television)
2.3 Other interference
mechanisms
2.3.1 Desensitization
2.3.2 Intermodulation products
2.3.3 Spurious
responses
3. Protection margin
3.1 Assessment of the
protection margin
4. Additional factors to consider
4.1 Receiving antenna
discrimination
4.2 Receiving antenna
cross-polarization discrimination