Vigor2820 Series User’s Guide
202
Channel Bandwidth
20-
the router will use 20Mhz for data transmission and
receiving between the AP and the stations.
20/40 –
the router will use 20Mhz or 40Mhz for data
transmission and receiving according to the station capability.
Such channel can increase the performance for data transit.
Guard Interval
It is to assure the safety of propagation delays and reflections
for the sensitive digital data. If you choose
auto
as guard
interval, the AP router will choose short guard interval
(increasing the wireless performance) or long guard interval
for data transmit based on the station capability.
Aggregation MSDU
Aggregation
MSDU
can
combine frames with different
sizes.
It is used for improving MAC layer’s performance for
some brand’s clients. The default setting is
Enable.
3
3
.
.
1
1
3
3
.
.
8
8
W
W
M
M
M
M
C
C
o
o
n
n
f
f
i
i
g
g
u
u
r
r
a
a
t
t
i
i
o
o
n
n
WMM is an abbreviation of Wi-Fi Multimedia. It defines the priority levels for four access
categories derived from 802.1d (prioritization tabs). The categories are designed with
specific types of traffic, voice, video, best effort and low priority data. There are four
accessing categories - AC_BE , AC_BK, AC_VI and AC_VO for WMM.
APSD (automatic power-save delivery) is an enhancement over the power-save mechanisms
supported by Wi-Fi networks. It allows devices to take more time in sleeping state and
consume less power to improve the performance by minimizing transmission latency. Such
function is designed for mobile and cordless phones that support VoIP mostly.
WMM Capable
To apply WMM parameters for wireless data transmission,
please click the
Enable
radio button.
APSD Capable
The default setting is
Disable
.
Aifsn
It controls how long the client waits for each data transmission.
Please specify the value ranging from 1 to 15. Such parameter
Summary of Contents for VIGOR2820 series
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