[Discuss-gnuradio] About sample lost

2013-06-03 Thread ÀîÔÞ
Dear list, Now I meet a problem about counting all the input samples.  I hope I can get some assistant from here. The problems are as follows, In one of my blocks, I want to count all the consumed input samples to get the timestamp of the received packet. I have used GPS to synchronize two usrps

[Discuss-gnuradio] about the quatization in gri_mmse_fir_interpolator

2013-05-06 Thread ÀîÔÞ
Dear list, I have a problems about the quatization in gri_mmse_fir_interpolator. In the comments of block gr_fractional_interpolator_cc, it is mentioned the mu is quantized to 32nd's of a sample, but I have checked the table of interpolator_taps and the parameter NSTEPS is equal to 128. Therefor

[Discuss-gnuradio] About benchmark in USRP E110

2012-07-28 Thread ÀîÔÞ
Dear all: Now, I am running the benchmark_tx.py and benchmark_rx.py on the USRP E110s. However, even if I set the bit rate to 100khz and use bpsk modulation scheme, overflow always occure. I get some information that benchmark examples now can not work well in the USRP E110. So, is there some on