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 <[email protected]> > 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 < > [email protected]> 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 <[email protected]> >> >>> 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 >>> [email protected] >>> 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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