More Features
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EDCA
EDCA (Enhanced Distributed Channel Access) is a channel contention mechanism defined
by WMM, so that packets which have high priority can be transmitted in advance and get
more bandwidth.
EDCA
AP
Parameters
EDCA parameters of the AP.
EDCA
STA
Parameters
EDCA P parameters of the station.
EDCA
Parametrs
CWmin: Exponent form of CWmin
CWmax: Exponent form of CWmax
CW: contention window. CWmin (Exponent form of Cwmin) and CWmax (Exponent form
of Cwmax) codetermine average backoff time. The greater these two values are, the longer
the average backoff time will be.
AIFSN (Arbitration Inter Frame Spacing Number): According to WMM, different ACs
can have different idle waiting time. The greater the AIFSN value is, the longer the idle
waiting time will be.
TXOP Limit (Transmission Opportunity Limit): The maximum use time for the channel
for the user while contending successfully. The greater the value is, the longer the
channel can be used by the user. If it is set to “0”, only one packet can be sent every
time the channel is used.
AC_BE,
AC_BK,
AC_VI,
AC_VO
4 priority queues are ranked from high to low by WMM: AC-VO, AC-VI, AC-BE and
AC-BK to ensure that packets with higher priority have more abilities to occupy channels.
3.4.6 Access Control
Click
Wireless > Access Control
to enter page below. This page allows you to specify a list of devices to allow or
disallow a connection to your wireless network via the devices’ MAC addresses. To deactivate this feature, select
"Disable"; to activate it, select "Allow" or "Deny".