 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| n |
No
or bad connection? Then perform:
|
|
| n |
Scanning
|
|
|
– |
scan
the environment, i.e., listen into the medium for beacon
|
|
|
signals
or send probes into the medium and wait for an answer
|
|
| n |
Reassociation
Request
|
|
|
– |
station
sends a request to one or several AP(s)
|
|
| n |
Reassociation
Response
|
|
|
– |
success:
AP has answered, station can now participate
|
|
|
– |
failure:
continue scanning
|
|
| n |
AP
accepts Reassociation Request
|
|
|
– |
signal
the new station to the distribution system
|
|
|
– |
the
distribution system updates its data base (i.e., location
|
|
|
information)
|
|
|
– |
typically,
the distribution system now informs the old AP so it can
|
|
release
resources
|
|
