diff options
Diffstat (limited to 'gr-digital/include')
-rw-r--r-- | gr-digital/include/CMakeLists.txt | 1 | ||||
-rw-r--r-- | gr-digital/include/Makefile.am | 2 | ||||
-rw-r--r-- | gr-digital/include/digital_probe_mpsk_snr_est_c.h | 76 |
3 files changed, 79 insertions, 0 deletions
diff --git a/gr-digital/include/CMakeLists.txt b/gr-digital/include/CMakeLists.txt index 8bac4c9919..81ed8d368e 100644 --- a/gr-digital/include/CMakeLists.txt +++ b/gr-digital/include/CMakeLists.txt @@ -45,6 +45,7 @@ install(FILES digital_ofdm_insert_preamble.h digital_ofdm_mapper_bcv.h digital_ofdm_sampler.h + digital_probe_mpsk_snr_est_c.h digital_gmskmod_bc.h digital_cpmmod_bc.h DESTINATION ${GR_INCLUDE_DIR}/gnuradio diff --git a/gr-digital/include/Makefile.am b/gr-digital/include/Makefile.am index 9fa6190154..3cf186d3d0 100644 --- a/gr-digital/include/Makefile.am +++ b/gr-digital/include/Makefile.am @@ -40,12 +40,14 @@ grinclude_HEADERS = \ digital_kurtotic_equalizer_cc.h \ digital_metric_type.h \ digital_mpsk_receiver_cc.h \ + digital_mpsk_snr_est_cc.h \ digital_ofdm_cyclic_prefixer.h \ digital_ofdm_frame_acquisition.h \ digital_ofdm_frame_sink.h \ digital_ofdm_insert_preamble.h \ digital_ofdm_mapper_bcv.h \ digital_ofdm_sampler.h \ + digital_probe_mpsk_snr_est_c.h \ digital_gmskmod_bc.h \ digital_cpmmod_bc.h diff --git a/gr-digital/include/digital_probe_mpsk_snr_est_c.h b/gr-digital/include/digital_probe_mpsk_snr_est_c.h new file mode 100644 index 0000000000..4920a0ae3b --- /dev/null +++ b/gr-digital/include/digital_probe_mpsk_snr_est_c.h @@ -0,0 +1,76 @@ +/* -*- c++ -*- */ +/* + * Copyright 2011 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_DIGITAL_PROBE_MPSK_SNR_EST_C_H +#define INCLUDED_DIGITAL_PROBE_MPSK_SNR_EST_C_H + +#include <digital_api.h> +#include <gr_sync_block.h> +#include <digital_impl_mpsk_snr_est.h> + +class digital_probe_mpsk_snr_est_c; +typedef boost::shared_ptr<digital_probe_mpsk_snr_est_c> digital_probe_mpsk_snr_est_c_sptr; + +DIGITAL_API digital_probe_mpsk_snr_est_c_sptr +digital_make_probe_mpsk_snr_est_c(snr_est_type_t type, double alpha); + +/*! + * Provides various methods to compute SNR. + */ +class DIGITAL_API digital_probe_mpsk_snr_est_c : public gr_sync_block +{ + private: + snr_est_type_t d_type; + double d_alpha; + digital_impl_mpsk_snr_est *d_snr_est; + + // Factory function returning shared pointer of this class + friend DIGITAL_API digital_probe_mpsk_snr_est_c_sptr + digital_make_probe_mpsk_snr_est_c(snr_est_type_t type, double alpha); + + // Private constructor + digital_probe_mpsk_snr_est_c(snr_est_type_t type, double alpha); + +public: + + ~digital_probe_mpsk_snr_est_c(); + + int work (int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); + + //! Return the estimated signal-to-noise ratio in decibels + double snr(); + + //! Return the type of estimator in use + snr_est_type_t type() const; + + //! Get the running-average coefficient + double alpha() const; + + //! Set type of estimator to use + void set_type(snr_est_type_t t); + + //! Set the running-average coefficient + void set_alpha(double alpha); +}; + +#endif /* INCLUDED_DIGITAL_PROBE_MPSK_SNR_EST_C_H */ |