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Diffstat (limited to 'gr-channels/include/gnuradio/channels/selective_fading_model2.h')
| -rw-r--r-- | gr-channels/include/gnuradio/channels/selective_fading_model2.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/gr-channels/include/gnuradio/channels/selective_fading_model2.h b/gr-channels/include/gnuradio/channels/selective_fading_model2.h new file mode 100644 index 0000000000..cc838b672c --- /dev/null +++ b/gr-channels/include/gnuradio/channels/selective_fading_model2.h @@ -0,0 +1,90 @@ +/* -*- 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_H +#define INCLUDED_CHANNELS_SELECTIVE_FADING_MODEL2_H + +#include <gnuradio/channels/api.h> +#include <gnuradio/sync_block.h> +#include <gnuradio/types.h> + +namespace gr { + namespace channels { + + const float default_delays2[] = {1.0,1.9,2.7}; + const float default_mags2[] = {1.0,0.95,0.8}; + + /*! + * \brief fading simulator + * \ingroup channel_models_blk + * + * \details + * This block implements a basic fading model simulator that can + * be used to help evaluate, design, and test various signals, + * waveforms, and algorithms. + */ + class CHANNELS_API selective_fading_model2 : virtual public sync_block + { + public: + // gr::channels::channel_model2::sptr + typedef boost::shared_ptr<selective_fading_model2> sptr; + + /*! \brief Build the channel simulator. + * + * \param N the number of sinusoids to use in simulating the channel; 8 is a good value + * \param fDTs normalized maximum Doppler frequency, fD * Ts + * \param LOS include Line-of-Site path? selects between Rayleigh (NLOS) and Rician (LOS) models + * \param K Rician factor (ratio of the specular power to the scattered power) + * \param seed a random number to seed the noise generators + * \param delays a vector of values that specify the time delay of each impulse + * \param delay_std a vector of values that specify the gaussian step size std of delays + * \param delay_maxdev a vector of values that specify the max deviation of each delay component + * \param mags a vector of values that specify the magnitude of each impulse + * \param mags a vector of values that specify the magnitude of each impulse + * \param ntaps the number of filter taps + */ + static sptr make(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 + ); + + virtual float fDTs() = 0; + virtual float K() = 0; + virtual float step() = 0; + + virtual void set_fDTs(float fDTs) = 0; + virtual void set_K(float K) = 0; + virtual void set_step(float step) = 0; + + }; + + } /* namespace channels */ +} /* namespace gr */ + +#endif /* INCLUDED_CHANNELS_SELECTIVE_FADING_MODEL2_H */ |