[Tinyos-help] About TOSH_READ_RADIO_CCA_PIN()

[renjie huang]

Hi

You want to verify whether TOSH_READ_RADIO_CCA_PIN() work correctly or what?
It already consider interference from ajacent nodes.  "I just think that it
compares to rssi and cca.". This rssi is a sampling of environment noise.


On 6/13/08, JeongKwanhee <khjeong at gist.ac.kr> wrote:
>
>  Hello, all members of TinyOS
>
>
>
> In general TinyOS, TOSH_READ_RADIO_CCA_PIN() is able to use some function
> if we want to check the state of channel.
>
> But, I don't know how to calculate whether channel is clear or not.
>
>
>
> I just think that it compares to rssi and cca.
>
> But, in this case, I think it does not consider the interference of
> adjacent nodes.
>
> For example, SINR.
>
>
>
> So, I want to check TOSH_READ_RADIO_CCA_PIN() function, and then to fix
> this function.
>
>
>
> If you know about this, please contact to me. Thank you.
>
>
>
> _________________________________________________________
>
> Kwanhee Jeong
>
>
> Tel: +82-62-970-3147
> Cell: +82-16-387-6870
> Fax: +82-62-970-2291
>
> _________________________________________________________
>
>
>
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>



-- 
Renjie Huang
Sensorweb Research Laboratory
http://sensorweb.vancouver.wsu.edu/
Washington State University
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