diff options
Diffstat (limited to 'gr-trellis/examples/python/test_viterbi_equalization.py')
| -rwxr-xr-x | gr-trellis/examples/python/test_viterbi_equalization.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gr-trellis/examples/python/test_viterbi_equalization.py b/gr-trellis/examples/python/test_viterbi_equalization.py index f83125136c..987f171b2a 100755 --- a/gr-trellis/examples/python/test_viterbi_equalization.py +++ b/gr-trellis/examples/python/test_viterbi_equalization.py @@ -17,8 +17,8 @@ def run_test (f,Kb,bitspersymbol,K,dimensionality,tot_constellation,N0,seed): tb = gr.top_block () # TX - src = gr.lfsr_32k_source_s() - src_head = gr.head (gr.sizeof_short,Kb/16) # packet size in shorts + src = blocks.lfsr_32k_source_s() + src_head = blocks.head (gr.sizeof_short,Kb/16) # packet size in shorts s2fsmi = blocks.packed_to_unpacked_ss(bitspersymbol,gr.GR_MSB_FIRST) # unpack shorts to symbols compatible with the FSM input cardinality enc = trellis.encoder_ss(f,0) # initial state = 0 # essentially here we implement the combination of modulation and channel as a memoryless modulation (the memory induced by the channel is hidden in the FSM) @@ -32,7 +32,7 @@ def run_test (f,Kb,bitspersymbol,K,dimensionality,tot_constellation,N0,seed): 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,0,-1) # Put -1 if the Initial/Final states are not set. fsmi2s = blocks.unpacked_to_packed_ss(bitspersymbol,gr.GR_MSB_FIRST) # pack FSM input symbols to shorts - dst = gr.check_lfsr_32k_s(); + dst = blocks.check_lfsr_32k_s(); tb.connect (src,src_head,s2fsmi,enc,mod) tb.connect (mod,(add,0)) |