2018-05-03 02:05:43 +00:00
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# @file
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# @author (C) 2018 by Vasil Velichkov <vvvelichkov@gmail.com>
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# @section LICENSE
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#
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# Gr-gsm is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# Gr-gsm is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with gr-gsm; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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#
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#
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import numpy as np
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from gnuradio import gr, gr_unittest, blocks
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import grgsm_swig as grgsm
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import pmt
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class qa_tch_f_chans_demapper (gr_unittest.TestCase):
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def setUp (self):
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self.tb = gr.top_block ()
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self.bursts = [
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"1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"]
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def tearDown (self):
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self.tb = None
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def test_fr_demapper (self):
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"""
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TCH/F Full Rate demapper
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"""
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frames = [
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0, 1, 2, 3, 4, 5, 6, 7,
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8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23,
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24, 25, 26, 27, 28, 29]
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timeslots = [
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3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3
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]
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b = self.bursts
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bursts = [
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b[ 0], b[ 1], b[ 2], b[ 3], b[ 4], b[ 5], b[ 6], b[ 7],
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b[ 8], b[ 9], b[10], b[11], b[12], #12 - sacch
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b[13], b[14], b[15], b[16], b[17], b[18], b[19], b[20],
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b[21], b[22], b[23], b[24], b[25], #25 - idle
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b[26], b[27], b[28], b[29], b[30]
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]
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src = grgsm.burst_source(frames, timeslots, bursts)
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demapper = grgsm.tch_f_chans_demapper(3)
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tch = grgsm.burst_sink()
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acch = grgsm.burst_sink()
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self.tb.msg_connect(src, "out", demapper, "bursts")
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self.tb.msg_connect(demapper, "tch_bursts", tch, "in")
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self.tb.msg_connect(demapper, "acch_bursts", acch, "in")
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self.tb.run ()
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self.assertEqual([
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b[ 0], b[ 1], b[ 2], b[ 3], b[ 4], b[ 5], b[ 6], b[ 7],
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b[ 4], b[ 5], b[ 6], b[ 7], b[ 8], b[ 9], b[10], b[11],
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b[ 8], b[ 9], b[10], b[11],
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b[13], b[14], b[15], b[16],
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b[13], b[14], b[15], b[16], b[17], b[18], b[19], b[20],
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b[17], b[18], b[19], b[20], b[21], b[22], b[23], b[24],
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b[21], b[22], b[23], b[24],
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b[26], b[27], b[28], b[29],
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], list(tch.get_burst_data()))
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self.assertEqual([], list(acch.get_burst_data()))
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def sacch_fr_test (self, ts, frames, bursts):
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timeslots = [ts, ts, ts, ts, ts, ts, ts, ts]
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src = grgsm.burst_source(frames, timeslots, bursts)
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demapper = grgsm.tch_f_chans_demapper(ts)
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tch = grgsm.burst_sink()
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acch = grgsm.burst_sink()
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self.tb.msg_connect(src, "out", demapper, "bursts")
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self.tb.msg_connect(demapper, "tch_bursts", tch, "in")
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self.tb.msg_connect(demapper, "acch_bursts", acch, "in")
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self.tb.run ()
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self.assertEqual([], list(tch.get_burst_data()))
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return list(acch.get_burst_data())
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def test_sacch_tf (self):
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"""
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SACCH/TF tests
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"""
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b = self.bursts
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bursts=[b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7]]
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even = [b[0], b[2], b[4], b[6]]
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odd = [b[1], b[3], b[5], b[7]]
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self.assertEqual(even, self.sacch_fr_test(ts=0, frames=[12, 25, 38, 51, 64, 77, 90, 103], bursts=bursts))
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self.assertEqual(odd, self.sacch_fr_test(ts=1, frames=[12, 25, 38, 51, 64, 77, 90, 103], bursts=bursts))
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self.assertEqual(even, self.sacch_fr_test(ts=2, frames=[38, 51, 64, 77, 90, 103, 116, 129], bursts=bursts))
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self.assertEqual(odd, self.sacch_fr_test(ts=3, frames=[38, 51, 64, 77, 90, 103, 116, 129], bursts=bursts))
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self.assertEqual(even, self.sacch_fr_test(ts=4, frames=[64, 77, 90, 103, 116, 129, 142, 155], bursts=bursts))
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self.assertEqual(odd, self.sacch_fr_test(ts=5, frames=[64, 77, 90, 103, 116, 129, 142, 155], bursts=bursts))
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self.assertEqual(even, self.sacch_fr_test(ts=6, frames=[90, 103, 116, 129, 142, 155, 168, 181], bursts=bursts))
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self.assertEqual(odd, self.sacch_fr_test(ts=7, frames=[90, 103, 116, 129, 142, 155, 168, 181], bursts=bursts))
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if __name__ == '__main__':
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2019-09-09 19:38:21 +00:00
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gr_unittest.run(qa_tch_f_chans_demapper)
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