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Diffstat (limited to 'gr-digital/python/ofdm_sync_fixed.py')
-rw-r--r-- | gr-digital/python/ofdm_sync_fixed.py | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/gr-digital/python/ofdm_sync_fixed.py b/gr-digital/python/ofdm_sync_fixed.py deleted file mode 100644 index 9bac789bf..000000000 --- a/gr-digital/python/ofdm_sync_fixed.py +++ /dev/null @@ -1,50 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2007 Free Software Foundation, Inc. -# -# This file is part of GNU Radio -# -# GNU Radio is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 3, or (at your option) -# any later version. -# -# GNU Radio is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU Radio; see the file COPYING. If not, write to -# the Free Software Foundation, Inc., 51 Franklin Street, -# Boston, MA 02110-1301, USA. -# - -import math -from gnuradio import gr - -class ofdm_sync_fixed(gr.hier_block2): - def __init__(self, fft_length, cp_length, nsymbols, freq_offset, logging=False): - - gr.hier_block2.__init__(self, "ofdm_sync_fixed", - gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature - gr.io_signature2(2, 2, gr.sizeof_float, gr.sizeof_char)) # Output signature - - # Use a fixed trigger point instead of sync block - symbol_length = fft_length + cp_length - pkt_length = nsymbols*symbol_length - data = (pkt_length)*[0,] - data[(symbol_length)-1] = 1 - self.peak_trigger = gr.vector_source_b(data, True) - - # Use a pre-defined frequency offset - foffset = (pkt_length)*[math.pi*freq_offset,] - self.frequency_offset = gr.vector_source_f(foffset, True) - - self.connect(self, gr.null_sink(gr.sizeof_gr_complex)) - self.connect(self.frequency_offset, (self,0)) - self.connect(self.peak_trigger, (self,1)) - - if logging: - self.connect(self.peak_trigger, gr.file_sink(gr.sizeof_char, "ofdm_sync_fixed-peaks_b.dat")) - |