1
Introduction
2
Power budget philosophy
3
Telephony channel parameters
4
Space sector parameters
4.1 1.5/1.6 GHz antenna
4.2 Intermodulation noise performance
5
Earth sector parameters
5.1 Ship earth
station
5.2 Coast earth station
6
Derivation of link margins
6.1 Long-term losses
6.2 Short-term losses
6.3 Cumulative margins for all losses
7
Margins at 1.5/1.6 GHz for ship/satellite links
7.1 Long-term losses
7.2 Short-term losses
7.3 Cumulative margins
8
Margins for feeder links
8.1 Fixed long-term losses
8.2 Random long-term losses
8.3 Random short-term
losses
9
Link power budgets
10 Other factors affecting the link
power budget
10.1 Relative transponder loading
10.2 Adaptative control of satellite transmitting power
11 Summary