User's Manual Part 2

Advanced Options
This setting allows the user to configure specific radio transmission parameters for the Dell
Wireless 4350 Small Network Access Point.
NOTE:
If you want to configure the settings of Beacon Interval, RTS Threshold,
Fragmentation Threshold, DTIM Interval and CTS Protection, ensure that
Advanced Options is selected first.
Beacon Interval
The Beacon Interval is the amount of time in Kusecs (one Kusec equals 1,024 microseconds)
between radio beacons from the Dell Wireless 4350 Small Network Access Point to its client
stations. The available range is from 1 to 65535, with the default value being 100.
RTS Threshold
The RTS Threshold is the maximum packet size that the Dell Wireless 4350 Small Network
Access Point will transmit without prior transmission of a RTS (Request To Send) signalling
packet. The available range is from 1 to 2346, with the default value being 2346.
The RTS (Request to Send) mechanism prevents the Hidden Node problem. A hidden node
occurs when two stations are within range of the same Access Point (AP) but are not within
range of each other, they are “hidden” from each other. The packets from these two stations
may collide if they arrive at the AP at the same time. To prevent data collision with the hidden
node, you can activate the RTS mechanism. If the RTS mechanism is activated, the station will
send a RTS first to inform the AP that it is going to transmit the data. Then, the AP will reply
with a CTS (Clear to Send) to all stations within its range to notify all other stations and reserve
the bandwidth for your data.
The RTS threshold controls what size data packet will cause an RTS to be transmitted. Only
when the packet exceeds the RTS threshold will the device send a RTS before sending the
packet. There is a trade-off to consider when choosing a value for the RTS threshold. Low
values will cause the RTS to be sent more often which would waste the bandwidth. However,
the more often RTS packets are sent, the quicker the system can recover from data collisions.
It is recommended to use the default value or only minor reductions of this default value.
Fragmentation Threshold