1 /* -*- c++ -*- */ 2 /* 3 * Copyright 2009,2012,2013 Free Software Foundation, Inc. 4 * 5 * This file is part of GNU Radio 6 * 7 * GNU Radio is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 3, or (at your option) 10 * any later version. 11 * 12 * GNU Radio is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with GNU Radio; see the file COPYING. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef INCLUDED_CHANNELS_CHANNEL_MODEL2_IMPL_H 24 #define INCLUDED_CHANNELS_CHANNEL_MODEL2_IMPL_H 25 26 #include <gnuradio/analog/fastnoise_source.h> 27 #include <gnuradio/analog/sig_source.h> 28 #include <gnuradio/blocks/add_blk.h> 29 #include <gnuradio/blocks/multiply.h> 30 #include <gnuradio/blocks/vco_c.h> 31 #include <gnuradio/channels/channel_model2.h> 32 #include <gnuradio/filter/fir_filter_blk.h> 33 #include <gnuradio/filter/mmse_resampler_cc.h> 34 #include <gnuradio/top_block.h> 35 36 namespace gr { 37 namespace channels { 38 39 class CHANNELS_API channel_model2_impl : public channel_model2 40 { 41 private: 42 blocks::add_cc::sptr d_noise_adder; 43 blocks::multiply_cc::sptr d_mixer_offset; 44 45 blocks::vco_c::sptr d_freq_gen; 46 47 analog::fastnoise_source_c::sptr d_noise; 48 49 filter::mmse_resampler_cc::sptr d_timing_offset; 50 filter::fir_filter_ccc::sptr d_multipath; 51 52 std::vector<gr_complex> d_taps; 53 54 public: 55 channel_model2_impl(double noise_voltage, 56 double epsilon, 57 const std::vector<gr_complex>& taps, 58 double noise_seed, 59 bool block_tags); 60 61 ~channel_model2_impl(); 62 63 void setup_rpc(); 64 65 void set_noise_voltage(double noise_voltage); 66 void set_taps(const std::vector<gr_complex>& taps); 67 void set_timing_offset(double epsilon); 68 69 double noise_voltage() const; 70 std::vector<gr_complex> taps() const; 71 double timing_offset() const; 72 }; 73 74 } /* namespace channels */ 75 } /* namespace gr */ 76 77 #endif /* INCLUDED_CHANNELS_CHANNEL_MODEL2_IMPL_H */ 78