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-rw-r--r--gr-channels/lib/dynamic_channel_model_impl.cc101
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diff --git a/gr-channels/lib/dynamic_channel_model_impl.cc b/gr-channels/lib/dynamic_channel_model_impl.cc
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+/* -*- c++ -*- */
+/*
+ * Copyright 2009,2012 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.
+ */
+
+#include "dynamic_channel_model_impl.h"
+#include <gnuradio/io_signature.h>
+#include <iostream>
+
+namespace gr {
+ namespace channels {
+
+ dynamic_channel_model::sptr
+ dynamic_channel_model::make(
+ double samp_rate,
+ double sro_std_dev,
+ double sro_max_dev,
+ double cfo_std_dev,
+ double cfo_max_dev,
+ unsigned int N,
+ double doppler_freq,
+ bool LOS_model,
+ float K,
+ std::vector<float> delays,
+ std::vector<float> mags,
+ int ntaps_mpath,
+ double noise_amp,
+ double noise_seed
+)
+ {
+ return gnuradio::get_initial_sptr
+ (new dynamic_channel_model_impl(
+ samp_rate, sro_std_dev, sro_max_dev, cfo_std_dev, cfo_max_dev,
+ N, doppler_freq, LOS_model, K, delays, mags, ntaps_mpath, noise_amp, noise_seed));
+ }
+
+ // Hierarchical block constructor
+ dynamic_channel_model_impl::dynamic_channel_model_impl(
+ double samp_rate,
+ double sro_std_dev,
+ double sro_max_dev,
+ double cfo_std_dev,
+ double cfo_max_dev,
+ unsigned int N,
+ double doppler_freq,
+ bool LOS_model,
+ float K,
+ std::vector<float> delays,
+ std::vector<float> mags,
+ int ntaps_mpath,
+ double noise_amp,
+ double noise_seed)
+ : hier_block2("dynamic_channel_model",
+ io_signature::make(1, 1, sizeof(gr_complex)),
+ io_signature::make(1, 1, sizeof(gr_complex)))
+ {
+ d_noise_adder = blocks::add_cc::make();
+ d_noise = analog::fastnoise_source_c::make(analog::GR_GAUSSIAN,
+ 1.0, noise_seed, 1024*8);
+ d_sro_model = channels::sro_model::make(samp_rate, sro_std_dev, sro_max_dev, noise_seed);
+ d_cfo_model = channels::cfo_model::make(samp_rate, cfo_std_dev, cfo_max_dev, noise_seed);
+ d_fader = channels::selective_fading_model::make(N, doppler_freq / samp_rate, LOS_model, K, noise_seed, delays, mags, ntaps_mpath);
+
+ connect(self(), 0, d_sro_model, 0);
+ connect(d_sro_model, 0, d_cfo_model, 0);
+ connect(d_cfo_model, 0, d_fader, 0);
+ connect(d_fader, 0, d_noise_adder, 1);
+ connect(d_noise, 0, d_noise_adder, 0);
+ connect(d_noise_adder, 0, self(), 0);
+ }
+
+ dynamic_channel_model_impl::~dynamic_channel_model_impl()
+ {
+ }
+
+ void
+ dynamic_channel_model_impl::setup_rpc()
+ {
+#ifdef GR_CTRLPORT
+#endif /* GR_CTRLPORT */
+ }
+
+ } /* namespace channels */
+} /* namespace gr */