Re: [Discuss-gnuradio] Frequency Offsets in RFX 2400

2008-01-09 Thread shyamnath gollakota
Hi Eric, Thanks a ton for the reply. My main concern is not that the frequency offset is high enough but that it changes pretty often (every time I run a new run) which makes it difficult for repeatability. So is there a way in software where I can make sure that the frequency offset is constan

Re: [Discuss-gnuradio] Interpolation in usrp_siggen

2006-12-12 Thread shyamnath gollakota
Hi Eric, The OS I am using is Linux 2.6.17-1.2174_FC5 The hardware I am using is Memory of 512MB, Intel(R) Celeron(R) CPU 2.53GHz. As u predicted, I do observe a number of underruns on stderr when the interpolation rate is set to low values. This might explain the results for the case when interp

[Discuss-gnuradio] Using dqpsk and qbpsk modulations with benchmark_rv and benchmark_tx

2006-11-10 Thread shyamnath gollakota
Hi, I was playing around with benchmark_rx.py and benchmark_tx.py using different modulation schemes. When I run them with the gmsk modulation, things work perfectly fine ( I am communicating between two usrps on two different nodes). however, when I use dbpsk modulation, the machine which runs th