| 586 |   | /gnuradio/gnuradio-examples/python/digital#./benchmark_tx.py to push out a  | 
          
          
            | 587 |   |  | 
          
          
            | 588 |   |  | 
          
          
            | 589 |   |  | 
          
          
            | 590 |   |  | 
          
          
            |   | 586 | /gnuradio/gnuradio-examples/python/digital#./benchmark_tx.py to push out a gmsk signal. | 
          
          
            |   | 587 |  | 
          
          
            |   | 588 |  | 
          
          
            |   | 589 | From the sender (node1-1) we did: | 
          
          
            |   | 590 | {{{ | 
          
          
            |   | 591 | node1-1:~/gnuradio/gnuradio-examples/python/digital# ./benchmark_tx.py -f 5M -r 250k -T A -v | 
          
          
            |   | 592 | >>> gr_fir_fff: using SSE | 
          
          
            |   | 593 | bits per symbol = 1 | 
          
          
            |   | 594 | Gaussian filter bt = 0.35 | 
          
          
            |   | 595 | Using TX d'board A: Basic Tx | 
          
          
            |   | 596 | Tx amplitude     12000 | 
          
          
            |   | 597 | modulation:      gmsk_mod | 
          
          
            |   | 598 | bitrate:         250kb/s | 
          
          
            |   | 599 | samples/symbol:    2 | 
          
          
            |   | 600 | interp:          256 | 
          
          
            |   | 601 | Tx Frequency:    5M | 
          
          
            |   | 602 | }}} | 
          
          
            |   | 603 |  | 
          
          
            |   | 604 | On the recive side (node1-2) we ran:  | 
          
          
            |   | 605 | {{{ | 
          
          
            |   | 606 | node1-2:~/gnuradio/gr-utils/src/python# ./usrp_fft.py -R A -f 5M -d 128  | 
          
          
            |   | 607 | }}}  | 
          
          
            |   | 608 |  | 
          
          
            |   | 609 | and we saw : | 
          
          
            |   | 610 |  | 
          
          
            |   | 611 | [[Image()]] | 
          
          
            |   | 612 |  |