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Diffstat (limited to 'gr-digital/include/digital/cma_equalizer_cc.h')
| -rw-r--r-- | gr-digital/include/digital/cma_equalizer_cc.h | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/gr-digital/include/digital/cma_equalizer_cc.h b/gr-digital/include/digital/cma_equalizer_cc.h deleted file mode 100644 index bfe851e689..0000000000 --- a/gr-digital/include/digital/cma_equalizer_cc.h +++ /dev/null @@ -1,75 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2011,2012 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. - */ - -#ifndef INCLUDED_DIGITAL_CMA_EQUALIZER_CC_H -#define INCLUDED_DIGITAL_CMA_EQUALIZER_CC_H - -#include <digital/api.h> -#include <gnuradio/sync_decimator.h> - -namespace gr { - namespace digital { - - /*! - * \brief Implements constant modulus adaptive filter on complex stream - * \ingroup equalizers_blk - * - * \details - * The error value and tap update equations (for p=2) can be found in: - * - * D. Godard, "Self-Recovering Equalization and Carrier Tracking - * in Two-Dimensional Data Communication Systems," IEEE - * Transactions on Communications, Vol. 28, No. 11, pp. 1867 - - * 1875, 1980. - */ - class DIGITAL_API cma_equalizer_cc: virtual public sync_decimator - { - protected: - virtual gr_complex error(const gr_complex &out) = 0; - virtual void update_tap(gr_complex &tap, const gr_complex &in) = 0; - - public: - // gr::digital::cma_equalizer_cc::sptr - typedef boost::shared_ptr<cma_equalizer_cc> sptr; - - /*! - * Make a CMA Equalizer block - * - * \param num_taps Numer of taps in the equalizer (channel size) - * \param modulus Modulus of the modulated signals - * \param mu Gain of the update loop - * \param sps Number of samples per symbol of the input signal - */ - static sptr make(int num_taps, float modulus, float mu, int sps); - - virtual void set_taps(const std::vector<gr_complex> &taps) = 0; - virtual std::vector<gr_complex> taps() const = 0; - virtual float gain() const = 0; - virtual void set_gain(float mu) = 0; - virtual float modulus() const = 0; - virtual void set_modulus(float mod) = 0; - }; - - } /* namespace digital */ -} /* namespace gr */ - -#endif /* INCLUDED_DIGITAL_CMA_EQUALIZER_CC_H */ |