[Tinyos-help] Energy Detection on the channel

[Ittipong Khemapech]

Hi,

Have you gone through the codes? I think they're in tos/cc2420/lpl. You may
find a way to go.

Thanks,
Ittipong

2009/4/1 Adarsh Joshi <joshi.adarsh at gmail.com>

> Hi Ittipong,
> Thank you so much for your time. I have gone through the B-MAC paper. As
> per my knowledge, it does the following.
>
> When a packet is scheduled to be transmitted, it checks the CCA  and
> transmits the packet only if the channel is free. Else it takes a random
> back-off and tries to send later.
>
> But I don't want to transmit/receive any packet. I just want to know
> whether the channel is empty or not.
>
> Thanks again.
>
>
> On Wed, Apr 1, 2009 at 11:59 AM, Ittipong Khemapech <
> ik.tinyos at googlemail.com> wrote:
>
>> Hi,
>>
>> I have no idea about the Cc2420TKN154C.
>>
>> For the channel assessment, I think BMAC (Berkeley MAC) is capable of
>> checking if the channel is busy. The BMAC paper should be therefore useful
>> to you.
>>
>> Hope this helps.
>> Ittipong
>>
>> 2009/4/1 Adarsh Joshi <joshi.adarsh at gmail.com>
>>
>>>  Hi,
>>>
>>> I am trying to detect the energy level on the channels. I am using the
>>> Interface EnergyDetection on the Component
>>> tos.chips.cc2420_tkn154.CC2420TKN154C. MAybe bacause its a different
>>> package, I am getting an error: cannot find `CC2420TKN154C'.
>>>
>>> Do I have to specify anywhere that I am using other package and not
>>> tos.chips.cc2420?
>>>
>>> Is there any other method to measure the noise level or energy level  of
>>> the channel? (in order to determine whether the channel is busy or not.)
>>>
>>> I just want to know whether a channel is busy or not. I don't want to
>>> transmit or receive anything.
>>>
>>> Thanks a lot for your time and help.
>>>
>>> --
>>> Adarsh Joshi
>>> Dept of Computer Science
>>> San Diego State University
>>> San Diego
>>> California - 92115
>>>
>>> _______________________________________________
>>> Tinyos-help mailing list
>>> Tinyos-help at millennium.berkeley.edu
>>> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
>>>
>>
>>
>
>
> --
> Adarsh Joshi
> Dept of Computer Science
> San Diego State University
> San Diego
> California - 92115
>
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