diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2012-08-14 00:00:14 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2012-08-14 00:00:14 -0400 |
| commit | 48a95b3469febf4929c74f41beac6b33ab77566e (patch) | |
| tree | 09fcfa18252f4e629f1bdb280b7ef0a12e1f401b /gr-digital/include/digital_probe_mpsk_snr_est_c.h | |
| parent | 509fddb30a70862b31b0488acfbbdf523b48af0d (diff) | |
digital: converted mpsk snr and probes to new style.
Diffstat (limited to 'gr-digital/include/digital_probe_mpsk_snr_est_c.h')
| -rw-r--r-- | gr-digital/include/digital_probe_mpsk_snr_est_c.h | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/gr-digital/include/digital_probe_mpsk_snr_est_c.h b/gr-digital/include/digital_probe_mpsk_snr_est_c.h deleted file mode 100644 index a78e904124..0000000000 --- a/gr-digital/include/digital_probe_mpsk_snr_est_c.h +++ /dev/null @@ -1,113 +0,0 @@ -/* -*- 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, - int msg_nsamples=10000, - double alpha=0.001); - -//! \brief A probe for computing SNR of a signal. -/*! \ingroup snr_blk - * - * This is a probe block (a sink) that can be used to monitor and - * retrieve estimations of the signal SNR. This probe is designed for - * use with M-PSK signals especially. The type of estimator is - * specified as the \p type parameter in the constructor. The - * estimators tend to trade off performance for accuracy, although - * experimentation should be done to figure out the right approach - * for a given implementation. Further, the current set of estimators - * are designed and proven theoretically under AWGN conditions; some - * amount of error should be assumed and/or estimated for real - * channel conditions. - */ -class DIGITAL_API digital_probe_mpsk_snr_est_c : public gr_sync_block -{ - private: - snr_est_type_t d_type; - int d_nsamples, d_count; - double d_alpha; - digital_impl_mpsk_snr_est *d_snr_est; - - //d_key is the message name, 'snr' - pmt::pmt_t d_key; - - /*! Factory function returning shared pointer of this class - * - * Parameters: - * - * \param type: the type of estimator to use \ref ref_snr_est_types - * "snr_est_type_t" for details about the available types. - * \param msg_nsamples: [not implemented yet] after this many - * samples, a message containing the SNR (key='snr') will be sent - * \param alpha: the update rate of internal running average - * calculations. - */ - friend DIGITAL_API digital_probe_mpsk_snr_est_c_sptr - digital_make_probe_mpsk_snr_est_c(snr_est_type_t type, - int msg_nsamples, - double alpha); - - //! Private constructor - digital_probe_mpsk_snr_est_c(snr_est_type_t type, - int msg_nsamples, - 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; - - //! Return how many samples between SNR messages - int msg_nsample() 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 number of samples between SNR messages - void set_msg_nsample(int n); - - //! Set the running-average coefficient - void set_alpha(double alpha); -}; - -#endif /* INCLUDED_DIGITAL_PROBE_MPSK_SNR_EST_C_H */ |