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Diffstat (limited to 'gr-trellis/src/examples/python/README')
| -rw-r--r-- | gr-trellis/src/examples/python/README | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gr-trellis/src/examples/python/README b/gr-trellis/src/examples/python/README new file mode 100644 index 000000000..bd28e3d61 --- /dev/null +++ b/gr-trellis/src/examples/python/README @@ -0,0 +1,35 @@ +Here we have several test programs for use with the gr-trellis implementation. +Documentation can be found in +http://gnuradio.utah.edu/svn/gnuradio/trunk/gr-trellis/doc/gr-trellis.html + +fsm_utils.py contains several useful functions. + +fsm_files is a directory with some FSM definitions + +If you just want to see what these programs do run them; +in your terminal you will see something like this: + +$ ./test_tcm.py --esn0 6.0 --repetitions 1000 +100 98 9.80e-01 102400 9 8.79e-05 +200 198 9.90e-01 204800 20 9.77e-05 +300 298 9.93e-01 307200 40 1.30e-04 +400 398 9.95e-01 409600 1074 2.62e-03 +500 498 9.96e-01 512000 1081 2.11e-03 +600 598 9.97e-01 614400 1090 1.77e-03 +700 698 9.97e-01 716800 1097 1.53e-03 +800 798 9.98e-01 819200 1107 1.35e-03 +900 898 9.98e-01 921600 1120 1.22e-03 +1000 998 9.98e-01 1024000 1129 1.10e-03 +1000 998 9.98e-01 1024000 1129 1.10e-03 + +which gives you information about the: +number of transmitted packets +number of packets in error +estimated packet error rate +number of transmitted shorts (or symbols, or bits, depending on the specific program) +number of shorts (or symbols, or bits) in error +estimated short (or symbol, or bit) error rate + +for instance, the final number 1.10e-03 is the error rate estimate by sending 1000 +packets of 1024 shorts each, using an 1/2 4-state convolutional code +and QPSK modulation through an AWGN with Es/N0 = 6.0 dB |