User's Manual

Table Of Contents
Chapter 4 - Operation and Administration
4.2.6.2.9.1
ll Distance Mode option defines whether the maximum distance of the AU
meter) or automatically.
4.2.6.2.9.2
l meaning for No
representing the
f 9
4.2.6.2.9.3
The Fairness Factor enables to define the level of fairness in providing services to
t to 100%, all SUs have the same probability of getting
r bandwidth. If set to X%, then SUs located up to X%
of the maximum distance from the AU will have an advantage in getting services
4.2.6.2.9.4 Show Cell Distance Parameters
it
4.2.6.2.10
called Inter-
Frame Spacing (IFS). This is the time during which the unit determines whether
pends on the
llows:
oseconds.
Cell Distance Mode
The Ce
from any of the SUs it serves will be determined manually (using the Maximum
Cell Distance para
The Options are Automatic or Manual.
The default is Automatic.
Maximum Cell Distance
The Maximum Cell Distance parameter allows configuring the maximum distance
when the Cell Distance Mode option is Manual.
The range is 0 to 54 (Km). The value of 0 has a specia
Compensation: Acknowledge Time Out is set to a value
maximum distance of 54 km. The time slot size is set to its minimal value o
microseconds.
The default is 0 (No Compensation).
Fairness Factor
different SUs. When se
services when competing fo
over SUs located farther than this distance.
The range is 0 to 100 (%)
The default is 100 (%).
Select Show Cell Distance Parameters to view the Cell Distance parameters. In
addition, the Measured Maximum Cell Distance and the MAC address of the un
that the mechanism found to be the farthest from the AU are displayed. A
distance of 1 km means any distance below 2 km.
Arbitration Inter-Frame Spacing (AIFS)
The time interval between two consecutive transmissions of frames is
the medium is idle using the carrier sense mechanism. The IFS de
type of the next frame to be transmitted, as fo
SIFS (Short Inter-Frame Spacing) is used for certain frames that should be
transmitted immediately, such as ACK and CTS frames. The value of SIFS is
16 micr
BreezeACCESS 4900 System Manual
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