[kismac] Re: Net Area Power Interpolation

  • From: Andreas Rossbacher <andreas.rossbacher@xxxxxxx>
  • To: kismac@xxxxxxxxxxxxx
  • Date: Wed, 11 Jun 2003 13:19:55 +0200

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Michael Rossberg wrote:

>
> can you put it to some web account? would be cool.

The Java stuff is at:
http://www.ping.de/~andreas/IDWI.zip

But i have to warn: It is ugly and slow by desgin shitty code.
And the documentation is almost not there. :-)
I even have no idea if i did everything right. It looks like
though. There might be somehting wrong with the distance based
decrease. But it looks quite ok on the number board the programm
creates.

The theory about the algorithm is from here:

http://www.ems-i.com/gmshelp/Interpolation/Interpolation_Schemes/Inverse_Distance_Weighted/Shepards_Method.htm

Here is some site where they did some stuff with a sort
of this algorithm.

http://www.ittc.ku.edu/wlan/

The hardest problem for me was, that the algorithm is desigend
to interpolate a few points of data to the whole image. But it is
more for themperatures in a room or so, not for wlan which "naturally"
decreases.
I did read some books about radio transmission and dispersion. So i
got the decrease calculations from there.

>>Secondly it would be great that for visualisation it would be great
>>to show all nets that have the same name at one time. You you can
>>visalize mult AP nets on the map.
>
> was already planned =)

Good to hear that.
- --
bye Andreas
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