Advanced Settings - Nokia D211 Developer's Manual

4.4 ADVANCED SETTINGS

The Nokia D211 has several advanced setting for fine-tuning the WLAN connection.
Caution: Improper usage of advanced WLAN settings may disable the WLAN
functionality of the Nokia D211, may disturb the WLAN network or may be illegal.
In the recommended values column, the default value -- if no automatic value is applicable –
is marked in parentheses.
Property Description
Active scan Indicates the maximum time
timing that a station spends on each
channel waiting for
responses from the available
access points when
performing an active or
hidden scan.
Association Indicates for how long the
time-out station will wait for an
association response from
the WLAN access point.
ATIM window Announcement Traffic
Indication Message defines
for how long the stations
have to be awake after every
beacon period. This setting is
valid only when power saving
is used with the ad hoc
operating mode
Authentication Indicates for how long the
time-out station will wait for an
authentication response from
the WLAN access point.
Recommended Mode
values
10 - 60 scanning Reducing the value results in less
(30 time units)
10 - 100 scanning If no response is received within
(10 time units)
0 - 20 ad hoc
(10 time units)
0 - 100 scanning The time-out should be increased
(5 time units)
Usage
overhead from the scans. Too
short a period results in
unnecessary retransmissions of
responses if the station moves
away from the channel before all
access points have been able to
transmit their response. Too
short a period can cause roaming
problems.
the specified time, the station will
try to reconnect or will try to
connect to another access point.
Lower value will save power but
may decrease transmission
speed and might cause
problems.
If power save is enabled, the
default value is 10.
0 value means no power saving.
if a RADIUS server or some other
advanced (external)
authentication method is used on
the access point side.
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