[Ns-bugs] [Bug 396] Weird WiFi error state with STA slowing approaching the wifi range of an AP

[code@nsnam.ece.gatech.edu]

http://www.nsnam.org/bugzilla/show_bug.cgi?id=396


Mathieu Lacage <mathieu.lacage at sophia.inria.fr> changed:

           What    |Removed                     |Added
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                 CC|                            |mathieu.lacage at sophia.inria.
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--- Comment #5 from Mathieu Lacage <mathieu.lacage at sophia.inria.fr>  2008-11-26 07:54:01 EDT ---
(In reply to comment #4)

> It sounds like the STA receives the AssocResp, but the AP never receives the
> ACK of the AssocResp that it sent, so it assumes that association failed.  

> The problem here is that the STA from then on assumes to be associated, and
> doesn't try to associate again, but the AP assumes the STA is not associated
> and silently drops frames from that STA.

I agree with this analysis but I don't really see how to fix this. i.e., I see
nothing in the 802.11 standard which allows you to deal with this problem and
detect that we have a STA which believes that it is associated while it is not.


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