[Tinyos-help] cc2420 CCA

[Ruben Catteeuw]

Hi all,

 

I have a question regarding the CC2420 and CCAs.

When attempting to transmit a packet, when and how many CCAs are done?

Is this correct?

Initial backoff - CCA- TX or congestion backoff

 

 

Or is there first a software CCA and then a HW CCA from the CC2420 itself?

 

regards and thx in advance

 

Ruben

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