1. Some Operator Requirements on Management
March 2005
doc.: IEEE /0169r0
March 2005
Some Operator Requirements on Management
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Lars Falk, TeliaSonera
Lars Falk, TeliaSonera

2. Introduction Requirements on the following issues will be presented:
March 2005
Introduction
Requirements on the following issues will be presented:
Multiple SSIDs
Switch of channel and/or AP
Transmit Power Control
Network selection
Fake SSIDs
Lars Falk, TeliaSonera

3. Multiple SSIDs that are not broadcasted
March 2005
Multiple SSIDs that are not broadcasted
For a multiple SSID solution to be interoperable it is required that a unique SSID is broadcasted together with a unique BSSID in separate beacons
Not broadcasted SSIDs can be obtained via active scanning (i.e. the STA asks the AP if it supports a certain SSID)
When roaming, the list of preferred SSIDs can be rather long
Requirement: It should be possible to inform a STA about not broadcasted SSIDs without letting the STA probe for each preferred SSID
Lars Falk, TeliaSonera

4. Switch of channel and/or AP
March 2005
Switch of channel and/or AP
Sometimes it is better if a STA changes its association to another AP and/or channel, e.g. for avoiding interference or uneven load on different APs in high load situations
Requirement: It should be possible to order the STA to switch channel and/or AP
Lars Falk, TeliaSonera

5. Transmit Power Control
March 2005
Transmit Power Control
A STA should not use higher power level than necessary in order to avoid causing interference and not to waste battery power
Requirement: It should be possible to order the STA to use a certain transmit power level
Lars Falk, TeliaSonera

6. March 2005
Network selection
When there are multiple SSIDs to choose from (either from one AP or several APs) how will the STA decide on which to choose?
Requirement: It should be possible to provide the STA with information helping in deciding which network to associate with
Note 1: Interesting proposal from Airespace (11-05/1595) in WNG at March meeting
Note 2: Issue is being discussed also within TGu
Note 3: One solution would be to let the operator push out a preference list
Lars Falk, TeliaSonera

7. March 2005
Fake SSIDs
Today it is possible for anybody to put up an AP using the same SSID(s) as established operators
How can a STA know whether it is not a fake AP before association and authentication using e.g. 11i mechanisms?
Requirement: it should be possible to distinguish between real and fake SSIDs
Lars Falk, TeliaSonera

8. Summary Requirements on the following issues were presented:
March 2005
Summary
Requirements on the following issues were presented:
Multiple SSIDs
Switch of channel and/or AP
Transmit Power Control
Network selection
Fake SSIDs
Any questions?
Lars Falk, TeliaSonera