62
Queues
automatically
provide
minimum
transmission
delays
for
video,
voice,
multimedia
and
critical
applications.
The
values
can
further
be
adjusted
manually:
CWMin
Minimum
Contention
Window
(milliseconds):
This
value
is
input
to
the
initial
random
backoff
wait
time
algorithm
for
retry
of
a
data
frame
transmission.
The
backoff
wait
time
will
be
generated
between
0
and
this
value.
If
the
frame
is
not
sent,
the
random
backoff
value
is
doubled
until
the
value
reaches
the
number
defined
by
CWMax
(below).
The
CWMin
value
must
be
lower
than
the
CWMax
value.
The
contention
window
scheme
helps
to
avoid
frame
collisions
and
determine
priority
of
frame
transmission.
A
shorter
window
has
a
higher
probability
(priority)
of
transmission.
CWMax
Maximum
Contention
Window
(milliseconds):
This
value
is
the
upper
limit
to
random
backoff
value
doubling
(see
above).
AIFSN
Arbitration
Inter
‐
Frame
Space
(milliseconds):
Specifies
additional
time
between
when
a
channel
goes
idle
and
the
AP/client
sends
data
frames.
Traffic
with
a
lower
AIFSN
value
has
a
higher
priority.
TxOP
Transmission
Opportunity
(milliseconds):
The
maximum
interval
of
time
an
AP/client
can
transmit.
This
makes
channel
access
more
efficiently
prioritized.
A
value
of
0
means
only
one
frame
per
transmission.
A
greater
value
effects
higher
priority.
Summary of Contents for 525688
Page 16: ...13 A i ii iii ...
Page 17: ...14 B ...
Page 19: ...16 D E ...
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Page 85: ...82 3 Click Local Area Connection 4 Click Properties ...
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Page 90: ...87 5 Choose your connection and right click then select Properties ...