Thomas Kolb
85ce667d7b
This adds 4 pilot symbols each after 128 and 256 data symbols. These are used for precision frequency estimation and feed-forward correction, resulting in less decoder errors at the end of the packet. Due to this change, this system can no longer transmit packets shorter than 64 bytes!
42 lines
1.2 KiB
Python
Executable file
42 lines
1.2 KiB
Python
Executable file
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# Copyright 2019 Thomas Kolb.
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#
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# This 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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# This software 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 this software; 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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from gnuradio import gr, gr_unittest
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from gnuradio import blocks
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import hamnet70_swig as hamnet70
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class qa_insert_pilot_symbols (gr_unittest.TestCase):
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def setUp (self):
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self.tb = gr.top_block ()
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def tearDown (self):
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self.tb = None
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def test_001_t (self):
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# set up fg
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self.tb.run ()
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# check data
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if __name__ == '__main__':
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gr_unittest.run(qa_insert_pilot_symbols, "qa_insert_pilot_symbols.xml")
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