diff options
Diffstat (limited to 'gr-trellis/examples/python/test_viterbi_equalization1.py')
| -rwxr-xr-x | gr-trellis/examples/python/test_viterbi_equalization1.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gr-trellis/examples/python/test_viterbi_equalization1.py b/gr-trellis/examples/python/test_viterbi_equalization1.py index df46046ae3..baa6a27f1b 100755 --- a/gr-trellis/examples/python/test_viterbi_equalization1.py +++ b/gr-trellis/examples/python/test_viterbi_equalization1.py @@ -27,7 +27,7 @@ def run_test (f,Kb,bitspersymbol,K,channel,modulation,dimensionality,tot_constel for i in range(L): # first/last L symbols set to 0 packet[i] = 0 packet[len(packet)-i-1] = 0 - src = gr.vector_source_s(packet,False) + src = blocks.vector_source_s(packet,False) mod = digital.chunks_to_symbols_sf(modulation[1],modulation[0]) # CHANNEL @@ -36,11 +36,11 @@ def run_test (f,Kb,bitspersymbol,K,channel,modulation,dimensionality,tot_constel noise = analog.noise_source_f(analog.GR_GAUSSIAN,math.sqrt(N0/2),seed) # RX - skip = gr.skiphead(gr.sizeof_float, L) # skip the first L samples since you know they are coming from the L zero symbols + skip = blocks.skiphead(gr.sizeof_float, L) # skip the first L samples since you know they are coming from the L zero symbols #metrics = trellis.metrics_f(f.O(),dimensionality,tot_constellation,digital.TRELLIS_EUCLIDEAN) # data preprocessing to generate metrics for Viterbi #va = trellis.viterbi_s(f,K+L,-1,0) # Put -1 if the Initial/Final states are not set. va = trellis.viterbi_combined_fs(f,K+L,0,0,dimensionality,tot_constellation,digital.TRELLIS_EUCLIDEAN) # using viterbi_combined_fs instead of metrics_f/viterbi_s allows larger packet lengths because metrics_f is complaining for not being able to allocate large buffers. This is due to the large f.O() in this application... - dst = gr.vector_sink_s() + dst = blocks.vector_sink_s() tb.connect (src,mod) tb.connect (mod,isi,(add,0)) |