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From: Marek Lindner <lindner_marek@yahoo.de>
Date: Tue, 15 Nov 2011 09:40:36 +0800
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Subject: Re: [B.A.T.M.A.N.] Problem to find better Route
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To: The list for a Better Approach To Mobile Ad-hoc Networking <b.a.t.m.a.n@lists.open-mesh.org>


Hi,

> With a dinstance of about 20 meters between A and B, and the same 
> distance between B and C. The problem is that sometimes, A and C get 
> connected directly in terms of batman-adv protocol (checked with batctl 
> o), and when that happens, the bitrates are very poor (less than 1Mbps), 
> like if B wasn't there. In fact we disconnected B and obtained very 
> similar results.

would you mind sharing the orignator tables of the involved nodes ?


> Then we reduced tx power settings on A and C, forcing the B hop between 
> them, and we got much better speeds (~20Mbps). We've read about ELP and 
> think that maybe simple OGM messages are not good to measure link 
> quility between A and C in this example, could that be the problem? In 
> that case is there a way to fix this with actual batman-adv algorithms? 

You can play with the hop penalty parameter to encourage batman to use fewer 
or more hops (depending on your needs).

Regards,
Marek