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Diffstat (limited to 'gnuradio-examples/python/channel-coding/README')
| -rw-r--r-- | gnuradio-examples/python/channel-coding/README | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gnuradio-examples/python/channel-coding/README b/gnuradio-examples/python/channel-coding/README new file mode 100644 index 000000000..abfceb429 --- /dev/null +++ b/gnuradio-examples/python/channel-coding/README @@ -0,0 +1,33 @@ +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 each of the following: + +./test_tcm.py fsm_files/awgn1o2_4.fsm 10.0 1000 +./test_tcm1.py fsm_files/awgn1o2_4.fsm 10.0 1000 +./test_tcm_combined.py fsm_files/awgn1o2_4.fsm 10.0 1000 +./test_tcm_parallel.py fsm_files/awgn1o2_4.fsm 10.0 1000 +./test_sccc_hard.py fsm_files/awgn1o2_4.fsm fsm_files/awgn1o2_4.fsm 10.0 1000 + +In your terminal you will see something like this: + +[anastas@ernesto channel-coding]$ ./test_tcm.py fsm_files/awgn1o2_4.fsm 6.0 1000 +100 1024 1 103424 10 9.668936e-05 +200 1024 1 205824 21 1.020289e-04 +300 1024 0 308224 40 1.297757e-04 +400 1024 0 410624 1074 2.615531e-03 +500 1024 0 513024 1081 2.107114e-03 +600 1024 0 615424 1090 1.771137e-03 +700 1024 0 717824 1097 1.528230e-03 +800 1024 0 820224 1107 1.349631e-03 +900 1024 0 922624 1120 1.213929e-03 +1024000 1129 1.102539e-03 + +1.102539e-03 is the error rate estimates by sending 1000 packets of +1024x16 bits each using an 1/2 4-state convolutional code and QPSK +modulation through an AWGN with Es/N0 = 6.0 dB |