Subject: [manet] Definitions of forward link and return link in satellite communications?

From: Leon Martin <[email-masked]>
Date: Wed, 3 Aug 2005 11:15:19 -0700 (PDT)

Hi everyone,

I was confused by the definitions of these two terms
in the standard: Digital Video Broadcasting
(DVB)--Interaction channel for satellite distribution
systems (ETSI EN 301 790 v1.3.1, 2003-03).

My guess is as follows:
- forward link: from the service provider to ground
based user(If you have the standard, refer to the
definition of forward/return interaction path on page
12).
- return link:  from the ground based user to the
service provider.

If my guess is correct, then each link has at least
two hops (service provider -> satellite -> ground
based user, and ground based user -> satellite ->
service provider).

Also there are terms uplink and downlink. How are they
connected to forward link and return link?

Thanks in advance.

- Leon

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