<s>
Regenerative	B-Protocol
Satellite	I-Protocol
Mesh	I-Protocol
–	I-Protocol
A	I-Protocol
(	O
RSM-A	O
)	O
is	O
an	O
internationally	O
standardized	O
satellite	O
communications	O
protocol	O
by	O
Telecommunications	O
Industry	O
Association	O
and	O
European	O
Telecommunications	O
Standards	O
Institute	O
.	O
</s>
<s>
The	O
uplink	O
consists	O
of	O
a	O
multi-frequency	O
time-division	B-Protocol
multiple	O
access	O
(	O
MF-TDMA	B-Protocol
)	O
scheme	O
where	O
individual	O
uplink	O
spotbeams	O
are	O
assigned	O
frequency	O
channels	O
out	O
of	O
the	O
satellites	O
frequency	O
band	O
.	O
</s>
<s>
Satellite	O
Terminals	O
transmit	O
on	O
timeslots	O
on	O
its	O
uplink	O
beam	O
's	O
frequency	O
channels	O
using	O
mechanisms	O
such	O
as	O
Bandwidth-on-Demand	B-Protocol
(	O
BoD	O
)	O
protocols	O
with	O
the	O
satellite	O
payload	O
.	O
</s>
<s>
The	O
downlink	O
consists	O
of	O
a	O
time-division	B-Protocol
multiplexing	I-Protocol
(	O
TDM	O
)	O
carrier	O
bursts	O
directed	O
in	O
a	O
hoping	O
fashion	O
to	O
different	O
downlink	O
beams	O
each	O
downlink	O
frame	O
timeslot	O
.	O
</s>
