User's Manual

Table Of Contents
Chapter 4 - Operation and Administration
SNR of the received signal
Mark - The computed quality mark for the AU.
Full - The association load status of the AU. It is defined as full if the number
the AU has reached the maximum allowed according to
the value of the Maximum Number of Associations parameter. An AU whose
s
computed mark is the highest.
In a
displayed:
Best AU Support
ddress of the selected AU)
the SU “listens” to the wireless medium for approximately
until the SU decides that it
should start searching for another AU, is approximately seven seconds.
here is a high probability that SUs might need to roam
among different AUs, the use of active scanning enables to significantly reduce
transmitting a Probe Request at each frequency. This reduces the time spent at
The default selection is Passive.
4.2.6.2.7
lgorithm simplifies the
inimizing
interference to other units. This is achieved by automatically adjusting the power
level transmitted by each SU according to the actual level at which it is received
of SUs associated with
associations load status is full cannot be selected as the Best AU, even if it
ESSID - The ESSID of the AU.
ddition to the neighboring AU data table, the following information is
Preferred AU MAC Address
Number of Scanning Attempts
Associated AU MAC Address (the MAC a
4.2.6.2.6 Scanning Mode (SU only)
The Scanning Mode parameter defines whether the SU will use Passive or Active
scanning when searching for an AU.
In passive scanning,
two seconds at each frequency, searching for beacons. The disassociation period,
which is the time from the moment the link was lost
In some situations when t
the link establishment time. This is achieved by using shorter dwell periods,
each frequency as well as the disassociation period.
Power Control Parameters
The Automatic Transmit Power Control (ATPC) a
installation process and ensures optimal performance while m
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