diff options
Diffstat (limited to 'gr-digital/lib/digital_lms_dd_equalizer_cc.cc')
-rw-r--r-- | gr-digital/lib/digital_lms_dd_equalizer_cc.cc | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/gr-digital/lib/digital_lms_dd_equalizer_cc.cc b/gr-digital/lib/digital_lms_dd_equalizer_cc.cc deleted file mode 100644 index e2c2f16f28..0000000000 --- a/gr-digital/lib/digital_lms_dd_equalizer_cc.cc +++ /dev/null @@ -1,85 +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. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <digital_lms_dd_equalizer_cc.h> -#include <gr_io_signature.h> -#include <gr_misc.h> -#include <iostream> - -digital_lms_dd_equalizer_cc_sptr -digital_make_lms_dd_equalizer_cc(int num_taps, float mu, int sps, - digital_constellation_sptr cnst) -{ - return gnuradio::get_initial_sptr(new digital_lms_dd_equalizer_cc(num_taps, mu, - sps, cnst)); -} - -digital_lms_dd_equalizer_cc::digital_lms_dd_equalizer_cc(int num_taps, float mu, - int sps, - digital_constellation_sptr cnst) - : gr_adaptive_fir_ccc("lms_dd_equalizer_cc", sps, - std::vector<gr_complex>(num_taps, gr_complex(0,0))), - d_taps(num_taps), d_cnst(cnst) -{ - set_gain(mu); - if (num_taps > 0) - d_taps[num_taps/2] = 1.0; -} - - - - -/* -int -digital_lms_dd_equalizer_cc::work (int noutput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items) -{ - const gr_complex *in = (const gr_complex *) input_items[0]; - gr_complex *out = (gr_complex *) output_items[0]; - - gr_complex acc, decision, error; - - for(int i = 0; i < noutput_items; i++) { - acc = 0; - - // Compute output - for (size_t j=0; j < d_taps.size(); j++) - acc += in[i+j] * conj(d_taps[j]); - - d_cnst->map_to_points(d_cnst->decision_maker(&acc), &decision); - error = decision - acc; - - // Update taps - for (size_t j=0; j < d_taps.size(); j++) - d_taps[j] += d_mu * conj(error) * in[i+j]; - - out[i] = acc; - } - - return noutput_items; -} -*/ |