TRENDnet 12dBi User Manual page 87

TRENDnet User's Guide
with other APs in channel.
Pkt_Aggregate : By default, it's "Enable"

Data Transmitted
Queue
AP to Clients
AC_BK Background.
AC_BE Best Effort
AC_VI Video
AC_VO Voice
Increase efficiency by aggregating multiple packets of application data into a single
transmission frame. In this way, 802.11n networks can send multiple data packets
with the fixed overhead cost of just a single frame.
WMM : By default, it's "Disable". To Enable is to use WMM and the WMM

parameters should appears.
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Priority Description
High throughput. Bulk data that
requires maximum throughput
Low
and is not time-sensitive is sent to
this queue (FTP data, for example).
Medium throughput and delay.
Medium Most traditional IP data is sent to
this queue
Minimum delay. Time-sensitive
High video data is automatically sent to
this queue
Time-sensitive data like VoIP and
High streaming media are automatically
sent to this queue
WMM Parameters of Access Point : This affects traffic flowing from the access

point to the client station
Configuring QoS options consists of setting parameters on existing queues for
different types of wireless traffic. You can configure different minimum and
maximum wait times for the transmission of packets in each queue based on
the requirements of the media being sent. Queues automatically provide
minimum transmission delay for Voice, Video, multimedia, and mission critical
applications, and rely on best-effort parameters for traditional IP data.
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.
Aifsn : The Arbitration Inter-Frame Spacing Number 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.
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