Re: [Discuss-gnuradio] [USRP-users] how to resolve the uhd warning of sample rate

2014-11-29 Thread alok ranjan
Dear Marcus, Thank you so much for your help :). It worked fine. Regards! Alok > Date: Fri, 28 Nov 2014 11:38:29 +0100 > From: marcus.muel...@ettus.com > To: alokranjan...@hotmail.com; discuss-gnuradio@gnu.org; > usrp-us...@lists.ettus.com > Subject: Re: [USRP-users] [Discuss-gnuradio] how to

Re: [Discuss-gnuradio] [USRP-users] how to resolve the uhd warning of sample rate

2014-11-28 Thread Marcus Müller
Hello Alok, the problem here is that you implicitly request a lower sampling rate than your USRP is able to provide: "-r 250e3" specifies the bit rate. For "-m qam" (with a default number of constellation points (-p) of 16=2^4) this means that the symbol rate is 1/4 of that, (250e3 b/s) / (4 b/sym