[email protected] (Patrick) wrote in message news:<[email protected] om>...
> hi,
>
> I'm designing a CDMA-DSSS transceiver.
>
> At the receiver, the matched filter (MF) have peak at the output, so I
> have to compare it to a threshold...
>
> How to compute the value of this threshold ?
>
> Thanks...

The threshold value is normally determined by your noise PDF and by
selecting some acceptable "Probability of False Alarm". Most of the
analytical theory here is based around Gaussian noise models.

Cheers,
David