Annex 1� Methodology for
assessing the maximum aggregate epfd at an ARNS station from all RNSS systems
operating in the 1 164-1 215 MHz band
�1���� Method for calculating the maximum epfd from satellites of one RNSS
system
������� 1.1���� Definition of epfd
������� 1.2���� General consideration
������� 1.3���� Method for calculating the maximum epfd for a non-GSO RNSS system
������� 1.4���� Method for calculating the maximum epfd for a GSO RNSS system
�2���� Method for calculating the maximum aggregate epfd from all RNSS systems
������� 2.1���� Data required for each system
������� 2.2���� Combination of epfds of systems with similar signal characteristics
������� 2.3���� Combination of epfd�s of systems with different signal characteristics
������� 2.4���� Check of results
Appendix 1 to Annex 1�
A simulation methodology for determining the maximum epfd for a non-GSO
RNSS system
�1���� Method and simulation approach description
�2���� Simulation assumptions
������� 2.1���� Orbit model
����������������� 2.1.1���� Earth-related constants
����������������� 2.1.2���� Non-GSO satellite system space station related
constants
�����������������
2.1.3���� ARNS station
related constants
������� 2.2���� Antenna parameters
�����������������
2.2.1���� ARNS station
antenna parameters
�����������������
2.2.2���� Non-GSO space
station antenna parameters
���� ���2.3���� Calculation of the simulation time
�����������������
2.3.1���� Simulation time
increment
�����������������
2.3.2���� Total simulation
time
Appendix 2� to
Annex 1� Analytical methodology for
assessing the maximum epfd of a single RNSS system operating in the band 1 164-1 215 MHz
�1���� Introduction
�2���� Description of the methodology
�3���� Non-GSO examples
Annex 2� ARNS
reference station characteristics to be used in epfd calculation
�1���� ARNS antenna characteristics
�2���� ARNS station location
�