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/* -*- c++ -*- */
/*
* Copyright 2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_CHANNELS_CHANNEL_MODEL_IMPL_H
#define INCLUDED_CHANNELS_CHANNEL_MODEL_IMPL_H
#include "flat_fader_impl.h"
#include <gnuradio/channels/fading_model.h>
#include <gnuradio/sync_block.h>
#include "sincostable.h"
#include <gnuradio/fxpt.h>
namespace gr {
namespace channels {
class CHANNELS_API fading_model_impl : public fading_model
{
private:
gr::channels::flat_fader_impl d_fader;
public:
fading_model_impl(unsigned int N, float fDTs, bool LOS, float K, uint32_t seed);
~fading_model_impl();
void setup_rpc();
int work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items) override;
virtual float fDTs() { return d_fader.d_fDTs; }
virtual float K() { return d_fader.d_K; }
virtual float step() { return d_fader.d_step; }
virtual void set_fDTs(float fDTs)
{
d_fader.d_fDTs = fDTs;
d_fader.d_step = powf(0.00125 * fDTs, 1.1);
}
virtual void set_K(float K)
{
d_fader.d_K = K;
d_fader.scale_los = sqrtf(d_fader.d_K) / sqrtf(d_fader.d_K + 1);
d_fader.scale_nlos = (1 / sqrtf(d_fader.d_K + 1));
}
virtual void set_step(float step) { d_fader.d_step = step; }
};
} /* namespace channels */
} /* namespace gr */
#endif /* INCLUDED_CHANNELS_CHANNEL_MODEL_IMPL_H */
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