[Olsr-dev] Seeking comments: OLSR+ETX v/s DSR+ETX

[Henning Rogge]

On Dec 22, 2007 11:30 AM, Jens Nachtigall <(spam-protected)> wrote:
> not related to the startup, but afterwards:
> What is still missing imho is a weighted, maybe even exponentially weighted
> average (see formula at
> http://en.wikipedia.org/wiki/Weighted_moving_average#Weighted_moving_average
> and below). Pakets just immediately lost should be paid more attention than
> towards packets that were lost one or two minutes ago. For instance, in the
> FreifunkFirmware HelloInterval is set to 5 seconds and LinkQualityWinSize is
> set to 100 samples -- hence the time window is 500sec, that is more than 8
> minutes. Still, to the formula it does not make a difference if the packet is
> lost 8 minutes ago or just few secs.
Maybe an exponential moving average would be even better, because we
don't need to save how many hellos we got in the past, we only need
the last calculated LQ value and the time it was calculated.

Henning


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