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As an Example, time-sensitive Voice & Video, and multimedia are given effectively higher priority for
transmission (lower wait times for channel access), while other applications and traditional IP data
which are less time-sensitive but often more data-intensive are expected to tolerate longer wait times.
High throughput. Bulk data that requires maximum throughput and is not time-sensitive is sent to this
queue (FTP data, for example). Medium throughput and delay. Most traditional IP data is sent to this
queue. Minimum delay. Time-sensitive video data is automatically sent to this queue. Time-sensitive
data like VoIP and streaming media are automatically sent to this queue.
CWmin:
Determines the initial random backoff wait time ("window") for retry of a
transmission. The value specified here in the Minimum Contention Window is the
upper limit (in milliseconds) of a range from which the initial random backoff
wait time is determined.
CWmax:
Maximum Contention Window. The value specified here in the Maximum
Contention Window is the upper limit (in milliseconds) for the doubling of the
random backoff value. This doubling continues until either the data frame is sent
or the Maximum Contention Window size is reached. Once the Maximum
Contention Window size is reached, retries will continue until a maximum
number of retries allowed is reached. Valid values for the "cwmax" are 1, 3, 7,
15, 31, 63, 127, 255, 511, or 1024. The value for "cwmax" must be higher than
the value for "cwmin".
AIFS
The Arbitration Inter-Frame Spacing Number specifies a wait time (in
milliseconds) for data frames
TxOP Limit
Transmission Opportunity is an interval of time when a WME AP has the right to
initiate transmissions onto the wireless medium (WM). This value specifies (in
milliseconds) the Transmission Opportunity (TXOP) for AP; that is, the interval of
time when the WMM AP has the right to initiate transmissions on the wireless
network.
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