Policy on Intellectual Property Right (IPR)
Annex 1� Introduction
�1����
The propagation curves
�2����
Maximum field strengths
�3����
Computer-based tabulations
�4����
Step-by-step method
�5����
Designation of antennas
�6����
Transmitting/base antenna height
�7����
Transmitting/base antenna heights used for curves
�8����
Time variability
�9����
Mixed-path method
10����
Receiving/mobile antenna height
11����
Terrain clearance angle correction
12����
Location variability
13����
Equivalent basic transmission loss
14����
Variability of atmospheric refractive index
15����
Compatibility with the Okumura-Hata method
Annex 2� Frequency range 30 MHz to 300 MHz
Annex 3� Frequency range 300 MHz to 1 000 MHz
Annex 4� Frequency range 1 000 MHz
to 3 000 MHz
Annex 5� Additional information and methods for implementing the
prediction method
�1����
Introduction
������� 1.1����
The terminal designations
�2����
Maximum field-strength values
�3����
Determination of transmitting/base antenna height, h1
������� 3.1���
�Land paths shorter than 15 km
����������������� 3.1.1����
Terrain information not available
����������������� 3.1.2����
Terrain information available
������� 3.2����
Land paths of 15 km or longer
������� 3.3����
Sea paths
�4����
Application of transmitting/base antenna height, h1
������� 4.1����
Transmitting/base antenna height, h1, in the range
10 m to 3 000 m
������� 4.2����
Transmitting/base antenna height, h1, in the range
0 m to 10 m
For a land path:
For a sea path:
������� 4.3����
Negative values of transmitting/base antenna height, h1
�5����
Interpolation of field strength as a function of distance
�6����
Interpolation and extrapolation of field strength as a function of
frequency
�7����
Interpolation of field strength as a function of percentage time
�8����
Mixed paths
������� 8.1����
The mixed path interpolation factor, A
�9����
Correction for receiving/mobile antenna height
10����
Correction for short urban/suburban paths
11����
Terrain clearance angle correction
12����
Location variability in land area-coverage prediction
13����
Correction based on tropospheric scattering
14����
Field-strength predictions for distances less than 1 km
15����
An approximation to the inverse complementary cumulative normal
distribution function
16����
Equivalent basic transmission loss
17���� An approximation to the 0.6 Fresnel clearance path length
Annex 6� Procedure for the application of this Recommendation
Annex 7� Adjustment for different climatic regions
Annex 8� Comparison with the Okumura-Hata method