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5.2.2 Configure Wireless Advanced Setting
To achieve optimal wireless performance, it is necessary to tweak advance setting per requirements properly, not
necessary higher the better or lower.
The administrator can change the RTS threshold and fragmentation threshold settings for the system. Please click on
Wireless -> Advanced Setup
and follow the below setting.
Fragment Threshold :
The Fragment Threshold is in the range of
256
~
2346
byte. The default is
2346
byte.
Each Wi-Fi packet can be divided into smaller packets, marked with a sequential fragment number and re-assemble
in the receiving ends. The purpose is to make a short frame, instead of long frame, transmitting by radio in a heavy
noisy environment. Because of sending smaller frames, corruptions are much less likely to occur. The pros is
obvious, the cons is the overhead for transmission. So, in a clean environment, higher fragment threshold can be an
option to increase throughput.
Fragmentation will be triggered by setting the Fragment Threshold, usually in Byte-length. Only when the frame size
is over the Threshold, fragmentation will take place automatically.
RTS Threshold :
RTS Threshold is in the range of
1~2347
byte. The default is
2347
byte.
The main purpose of enabling RTS by changing RTS threshold is to reduce possible collisions due to hidden wireless
clients. RTS in AP will be enabled automatically if the packet size is larger than the Threshold value. By default, RTS
is disabled in a normal environment supports non-jumbo frames.
Short Preamble :
By default, it’s “
Auto
”. To
Disable
is to use Long 128-bit Preamble Synchronization field.
The preamble is used to signal "here is a train of data coming" to the receiver. The short preamble provides 72-bit
Synchronization field to improve WLAN transmission efficiency with less overhead.
Tx Burst :
By default, it’s “
Enable
”. To
Disable
is to deactivate Tx Burst.
With TX burst enabled, AP will send many packets in a burst, without collision detection and RTS/CTS for each packet. TX
Burst have better throughput but cause interference with other APs in channel.
WMM :
By default, it's “
Disable
”.
Select Enable, the packets with QoS WMM will have higher priority.
Click
Save
button to save your changes. Click
Reboot
button to activate your changes.
