diff options
Diffstat (limited to 'gr-digital/python/qa_constellation_receiver.py')
| -rwxr-xr-x | gr-digital/python/qa_constellation_receiver.py | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/gr-digital/python/qa_constellation_receiver.py b/gr-digital/python/qa_constellation_receiver.py index ebdbf3bfb..70b62c7aa 100755 --- a/gr-digital/python/qa_constellation_receiver.py +++ b/gr-digital/python/qa_constellation_receiver.py @@ -25,9 +25,11 @@ import random from gnuradio import gr, blks2, packet_utils, gr_unittest from utils import mod_codes, alignment import digital_swig +from generic_mod_demod import generic_mod, generic_demod from qa_constellation import tested_constellations, twod_constell + # Set a seed so that if errors turn up they are reproducible. # 1234 fails random.seed(1239) @@ -68,6 +70,7 @@ class test_constellation_receiver (gr_unittest.TestCase): demodulation uses constellation_receiver which is what we're really trying to test. """ + # Assumes not more than 64 points in a constellation # Generates some random input data to use. self.src_data = tuple( @@ -76,7 +79,7 @@ class test_constellation_receiver (gr_unittest.TestCase): # output data (a full comparison is too slow in python). self.indices = alignment.random_sample( self.max_data_length, self.max_num_samples, self.seed) - + for constellation, differential in tested_constellations(): # The constellation_receiver doesn't work for constellations # of multple dimensions (i.e. multiple complex numbers to a @@ -119,13 +122,13 @@ class rec_test_tb (gr.top_block): self.src_data = src_data packer = gr.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST) src = gr.vector_source_b(self.src_data) - mod = blks2.generic_mod(constellation, differential=differential) + mod = generic_mod(constellation, differential=differential) # Channel channel = gr.channel_model(NOISE_VOLTAGE, FREQUENCY_OFFSET, TIMING_OFFSET) # Receiver Blocks - demod = blks2.generic_demod(constellation, differential=differential, - freq_alpha=FREQ_ALPHA, - phase_alpha=PHASE_ALPHA) + demod = generic_demod(constellation, differential=differential, + freq_alpha=FREQ_ALPHA, + phase_alpha=PHASE_ALPHA) self.dst = gr.vector_sink_b() self.connect(src, packer, mod, channel, demod, self.dst) |