Hi, As I said in my previous mail, read the RSSI value from CC2420ControlC. As this value is the signal strength your radio receives while not actually receiving a message, this is the background noise.
Cheers, Urs On 12/6/10 7:26 AM, SHIVASANKAR GANESAN wrote: > > How to sample background Noise. > > ** > *With regards* > *Sivasankar* > > > --- On *Fri, 3/12/10, Urs Hunkeler /<urs.hunke...@epfl.ch>/* wrote: > > > From: Urs Hunkeler <urs.hunke...@epfl.ch> > Subject: Re: [Tinyos-help] Reg:Std Deviation of Gaussian Noise > To: "SHIVASANKAR GANESAN" <tata...@yahoo.co.in> > Cc: "tinyos-help@Millennium.Berkeley.EDU" > <tinyos-help@Millennium.Berkeley.EDU> > Date: Friday, 3 December, 2010, 2:06 PM > > Hi, > > The CC2420ControlC has a ReadRssi interface, which allows you to > read the RSSI while not actively receiving any message. You could > sample the background noise for a while, and then use standard > statistical methods to determine the noise level and the standard > deviation. > > Cheers, > Urs > > On 12/03/2010 07:54 AM, SHIVASANKAR GANESAN wrote: > > Hi > > How to measure Std Deviation of the Gaussian Noise,I need that > value for > > my experiment(I am using Micaz mote). > > ** > > *With regards* > > *Sivasankar* > > _______________________________________________ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help