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130 AT-TQ2403 - Management Software - User's Guide
Field Description
Queue Queues are defined for different types of data transmitted from
station-to-AP:
Data 0 (Voice)
Low latency and guaranteed bandwidth. Time-sensitive data such as VoIP
should be sent to this queue.
Data 1(Video)
Guaranteed bandwidth. Time-sensitive video data and any streams that
have a fixed bandwidth should be sent to this queue.
Data 2 (best effort)
Most traditional IP data is sent to this queue.
Data 3 (Background)
Lowest priority queue, high throughput. Bulk data that requires
maximum throughput and is not time-sensitive is sent to this queue (FTP
data, for example).
AIFS (In
t
er-Frame
Space)
The Arbitration Inter-Frame Spacing (AIFS) specifies a wait time (in
milliseconds) for data frames.
cwMin (Minimum
Contention Window)
This parameter is input to the algorithm that 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.
The first random number generated will be a number between 0 and the
number specified here.
If the first random backoff wait time expires before the data frame is sent,
a retry counter is incremented and the random backoff value (window) is
doubled. Doubling will continue until the size of the random backoff
value reaches the number defined in the Maximum Contention Window.