1 files changed, 87 insertions, 0 deletions
diff --git a/gr-channels/lib/selective_fading_model2_impl.h b/gr-channels/lib/selective_fading_model2_impl.h
new file mode 100644
index 0000000000..eac6adb842
--- /dev/null
+++ b/gr-channels/lib/selective_fading_model2_impl.h
@@ -0,0 +1,87 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2013 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.
+ */
+
+#ifndef INCLUDED_CHANNELS_SELECTIVE_FADING_MODEL2_IMPL_H
+#define INCLUDED_CHANNELS_SELECTIVE_FADING_MODEL2_IMPL_H
+
+#include <gnuradio/sync_block.h>
+#include <gnuradio/channels/selective_fading_model2.h>
+#include "flat_fader_impl.h"
+
+//#include <iostream>
+#include <boost/format.hpp>
+#include <boost/random.hpp>
+
+#include <gnuradio/fxpt.h>
+#include <sincostable.h>
+
+namespace gr {
+  namespace channels {
+
+    class CHANNELS_API selective_fading_model2_impl : public selective_fading_model2
+    {
+    private:
+      std::vector<gr::channels::flat_fader_impl*> d_faders;
+      std::vector<float> d_delays;
+      std::vector<float> d_delays_orig;
+      std::vector<float> d_delays_std;
+      std::vector<float> d_delays_maxdev;
+      std::vector<float> d_mags;
+      sincostable d_sintable;
+
+      boost::mt19937 seed_1;
+      boost::normal_distribution<> dist_1; // U(-pi,pi)
+      boost::variate_generator<boost::mt19937&, boost::normal_distribution<> > rv_1;
+
+    public:
+      selective_fading_model2_impl(unsigned int N, float fDTs, bool LOS, float K, int seed, std::vector<float> delays, std::vector<float> delay_std,
+                std::vector<float> delay_maxdev, std::vector<float> mags, int ntaps);
+      ~selective_fading_model2_impl();
+      void setup_rpc();
+      int work (int noutput_items,
+            gr_vector_const_void_star &input_items,
+            gr_vector_void_star &output_items);
+      std::vector<gr_complex> d_taps;
+
+      virtual float fDTs(){ return d_faders[0]->d_fDTs; }
+      virtual float K(){ return d_faders[0]->d_K; }
+      virtual float step(){ return d_faders[0]->d_step; }
+
+      virtual void set_fDTs(float fDTs){
+            BOOST_FOREACH( gr::channels::flat_fader_impl* fader, d_faders )
+            { fader->d_fDTs = fDTs;  fader->d_step = powf(0.00125*fDTs, 1.1); }
+            }
+      virtual void set_K(float K){
+            BOOST_FOREACH( gr::channels::flat_fader_impl* fader, d_faders )
+            { fader->d_K = K; fader->scale_los = sqrtf(fader->d_K)/sqrtf(fader->d_K+1); fader->scale_nlos = (1/sqrtf(fader->d_K+1)); }
+            }
+      virtual void set_step(float step){
+            BOOST_FOREACH( gr::channels::flat_fader_impl* fader, d_faders )
+            { fader->d_step = step; }
+            }
+
+    };
+
+  } /* namespace channels */
+} /* namespace gr */
+
+#endif /* INCLUDED_CHANNELS_SELECTIVE_FADING_MODEL2_IMPL_H */