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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 */
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