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.
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