Beacon Interval
The default beacon interval is 100 milliseconds. A beacon is
a short frame that is sent from the AP (Access Point) to stations in order to
organize and synchronize wireless communication on the WLAN (Wireless
LAN). A beacon includes the wireless LAN service area, the AP address, the
broadcast destination addresses, a time stamp and DTIM (Delivery Traffic
Indication Message). Enter a value between 1 and 65,535 (milliseconds). This
value indicates the frequency interval of the beacon.
DTIM Interval
DTIM (Delivery Traffic Indication Maps) Interval’s range is 1 to
65535 milliseconds and the default setting is set to 1. DTIM informs clients of
the next window for listening to broadcast and multicast messages. When
CBW500 has buffered broadcast or multicast messages for associated clients,
it sends the DTIM with a DTIM Interval value. Its clients hear the beacons and
awaken to receive the broadcast and multicast messages.
Fragmentation Threshold
The range is 256 to 2346 bytes. This value should
remain at its default setting of 2346. Fragmentation mechanism is used for
improving the efficiency when there is heavy traffic within the wireless network.
If you transmit large files in a wireless network, you can enable this function
and specify the packet size. The mechanism will split the packet according to
the packet size you set. But setting Fragmentation threshold too low may
cause poor network performance.
RTS Threshold
RTS (Request to Send) Threshold is transmitters contending
for the medium may not be aware of each. If the packet size is smaller than the
setting RTS Threshold size, the RTS/CTS (Clear to Send) mechanism will not
be enabled. The CBW500 sends RTS frames to a particular receiving station
and negotiates the sending of a data frame. After receiving a RTS, the station
responds with a CTS frame to acknowledge their right of transmission.
This value should remain at its default setting of 2,347, although the range is
256 to 2,432 bytes. Setting this parameter to a small value will cause packets
to be sent more often and will consume more available bandwidth and reduce
throughput. However, a higher value will send more packets less often. Keep
this default setting is recommended.
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