Re: Obstacles in mobile networks

[Samir Das <Samir.Das@Eng.Sun.COM>]

I have a feeling that the obstacles generated by adhockey are movement obstacles 
and not radio obstacles.

Samir


>X-Authentication-Warning: bumlan.campus.luth.se: laj owned process doing -bs
>Date: Wed, 28 Apr 1999 18:07:21 +0200 (CEST)
>From: Andree Jacobson <andree@sm.luth.se>
>X-Sender: laj@bumlan.campus.luth.se
>To: Network Simulator Users <ns-users@mash.CS.Berkeley.EDU>
>Subject: Obstacles in mobile networks
>MIME-Version: 1.0
>
>Hi there!
>
>We are running ns-2b5 with the cmu extensions and ad-hockey to make simulations
>on routing protocols. One thing that we seem to experinence is that ns does not
>seem to take into account our obstacles. Since we have a fairly small model,
>just 32 x 10 meters we would also like to limit the range to 10 meters and the
>obstacles should also cut all radio signals.
>
>Now trying to run the simulations in ns (the scenario file holds the line)
># nominal range: 10.000000 bw: 384000.000000
>still we get the impression of that ns uses the standard 250 meters nominal
>range since all nodes are talking to eachother even though they shouldn't.
>
>Also it seems as if the obstacles does not exist. 
>
>We would appreciate some more info about this!
>
>/Andree Jacobson
>