[Tinyos-devel] ClearThreshold value in tossim

[Lumir Honus]

On Tue, Feb 3, 2009 at 6:59 PM, Lumir Honus <foldus at gmail.com> wrote:
> Hello,
>
> I have read cc2420 datasheet, and there is written that carrier sense
> level (RSSI.CTR_THR) is initially set to -77 dB. Can someone explain

sorry RSSI.CCA_THR

> me why clearThreshold is set to -72 dB in tossim ?
>
> (CpmModelC.nc - line 192)
>  // This clear threshold comes from the CC2420 data sheet
>    double clearThreshold = -72.0;
>

I just realized that there is also CCA_HYST substracted from CCA_THR
on CC2420 but this is set to 2 by default so I think that
clearTreshold should be -79 dB.


> --
> ---------------------------------------------------------------------
> Greetings
>        Lumir Honus
>



-- 
---------------------------------------------------------------------
S pozdravem
        Lumir Honus