3
$\begingroup$

I'm trying to understand the terminology used in the specifications of several satellite systems, such as those outlined on pages 9-11 here.

I'm guessing a mobile uplink/downlink is RF uplink and downlink that can communicate with mobile phones, but I can't find anything in my searches that defines feeder downlink.

Improve this question
$\endgroup$

2 Answers 2

Reset to default
3
$\begingroup$
  • Mobile uplink/downlink are channels between the satellite and 'end users': mobile satphones, satcom terminals on ships, aircraft etc.
  • Feeder uplink/downlink are channels between the satellite and a ground station. The ground station is connected to terrestrial phone/data networks.

When a satphone user calls someone who uses a 'normal' landline, the call is routed from the satphone to the satellite (through the mobile up/downlink), then from the satellite to a ground station (through the feeder up/downlink), and the ground station connects the call to the landline phone network.

Usually, a satellite has many mobile links, and one feeder link. The satellite bundles the data from all mobile links into the one feeder link.

Improve this answer
$\endgroup$
0
$\begingroup$

Feeder link is from the Gateway to the satellite Check the image on Slide#3 of the link

Improve this answer
$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct.

Not the answer you're looking for? Browse other questions tagged or ask your own question.