PP Presentation
- An unrestricted simplex protocol has U=1 since sender runs flat out.
- Suppose stop-and-wait has fixed-length frames and no piggybacking like Protocol 3 (par) postive ack/rexmit protocol.
- NOTATION
A
=
#
of bits in an ACK
C
=
channel capacity in BPS
D
=
#
of data bits per frame
E
=
prob
.
of a bit being in error
F
=
D
+
H
(
total frame length
)