Edimax HP-2002APn User Manual page 36

2) Set WMM Parameters
Click the WMM Configuration button, the following page appears.
On this page, you can configure WMM parameters of access point and
station.The parameters are described as follows:
Field
Aifsn Aifsn (Arbitrary Inter-Frame Space Number). This
parameter influences the delay time of WMM access
category. If you use voice or video service, you'd better set
this parameter to be smaller in the fields of AC_VI and
AC_VO. If it is E-mail or Web service, you should set a
bigger value in the fields of AC_BE and AC_BK.
Cwmin Cwmin (Mini. Contention Window) also influences the delay
time of WMM access category. The difference between
AC_VI and AC_VO should be smaller, but the difference
between AC_BE and AC_BK should be bigger.
Cwmax Cwmax (Max.Contention Window)
Txop Txop (Opportunity to Transmit) may optimize the WMM
access. Compared to the WMM access that needs a higher
priority, such as AC_VI and AC_VO, this value should be
bigger.
ACM ACM (Admission Control Mandatory) parameter only reacts
on AC_VI and AC_VO. If you set this value to be 0, it
indicates that AP is in the charge of the access commands.
Description
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