/* -*- c++ -*- */ /* * Copyright 2004-2006,2011,2012 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_OFDM_CYCLIC_PREFIXER_H #define INCLUDED_DIGITAL_OFDM_CYCLIC_PREFIXER_H #include <digital/api.h> #include <gr_sync_interpolator.h> namespace gr { namespace digital { /*! * \brief adds a cyclic prefix vector to an input size long ofdm * symbol(vector) and converts vector to a stream output_size * long. * \ingroup ofdm_blk */ class DIGITAL_API ofdm_cyclic_prefixer : virtual public gr_sync_interpolator { public: // gr::digital::ofdm_cyclic_prefixer::sptr typedef boost::shared_ptr<ofdm_cyclic_prefixer> sptr; /*! * Make an OFDM cyclic prefix adder block. * * \param input_size size of the input symbol * \param output_size output of the symbol * (CP len = output_size - input_size) */ static sptr make(size_t input_size, size_t output_size); }; } /* namespace digital */ } /* namespace gr */ #endif /* INCLUDED_DIGITAL_OFDM_CYCLIC_PREFIXER_H */