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5.5.2 Station EDCA Parameters
Station EDCA parameters affect traffic flowing from the client station to the EAP device.
Figure 5-31 Station EDCA Parameters
Queue
：
Displays the transmission queues: Data 0>Data 1>Data 2>Data 3.
Arbitration Inter-
Frame Space
：
A wait time for data frames. The wait time is measured in slots. Valid
values for AIFS are 1 through 15.
Minimum Contention
Window
：
An input to the algorithm that determines the initial random backoff wait
time (window) for retry of a transmission.
Maximum
Contention
Window
：
The upper limit (in milliseconds) for the doubling of the random backoff
value.
TXOP Limit
：
The Transmission Opportunity (TXOP) is an interval of time, in
milliseconds, when a WME client station has the right to initiate
transmissions onto the wireless medium towards the EAP device. Valid
values for TXOP Limit are from 0 to 8192 and should be exactly divided
by 32.
No
Acknowledgement
：
Select Enable to specify that the EAP device should not acknowledge
frames with QosNoAck as the service class value. By default, it is disabled.
Unscheduled
Automatic Power
Save Delivery
：
Select Enable to enable APSD, which is a power management method.
APSD is recommended if VoIP phones access the network through the
EAP device. By default, it is enabled.