�1���� Introduction������
�2���� Design basis of digital
system�������
������� 2.1����
System
concept and application aspects�����
������� 2.2����
Voice coding techniques����
������� 2.3����
Modulation techniques�������
������� 2.4����
FEC
techniques�����
������� 2.5���
�Standard B design example
�3���� Low G/T,
data only, system concept (Standard C)�����������
�4���� Link budget
considerations�����������
������� 4.1����
Multipath
fading characteristics�������
������� 4.2����
Pointing/tracking
error characteristics���������
������� 4.3����
Link
budget examples��������
�5���� Advanced areas of system
design�
Annex 1 -
Performance characteristics of a digital voice-grade ship earth station����
�1���� System design���
�2���� Results of field
experiment [Yasuda et al., 1987]��
Annex 2
- Performance of an experimental low G/T
ship earth station����
�1���� Introduction������
Annex 3
- Enhanced group call system����
�1���� Introduction������
�2���� System description�����������
�3���� Link budget
�4���� Addressing techniques�����
�5���� Summary���
Annex 4 -
Forward error control (FEC) as a means of multipath fading compensation����
Annex 5 -
Inmarsat Standard C communications system����
�1���� Introduction������
������� 1.1����
Briefly
the Standard C system is described as follows:��������
������� 1.2����
These
techniques permit the following applications to be carried:�����
�2���� Design implications����������
�3���� Link budgets�����
�4���� Signal processing system��
������� 4.1����
Signal
processing features��
������� 4.2����
Signal
processing effects���� �����