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Diffstat (limited to 'gr-digital/include/digital/ofdm_cyclic_prefixer.h')
-rw-r--r-- | gr-digital/include/digital/ofdm_cyclic_prefixer.h | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/gr-digital/include/digital/ofdm_cyclic_prefixer.h b/gr-digital/include/digital/ofdm_cyclic_prefixer.h deleted file mode 100644 index e924adb92d..0000000000 --- a/gr-digital/include/digital/ofdm_cyclic_prefixer.h +++ /dev/null @@ -1,72 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2013 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 <gnuradio/tagged_stream_block.h> - -namespace gr { - namespace digital { - - /*! - * \brief Adds a cyclic prefix and performs pulse shaping on OFDM symbols. - * \ingroup ofdm_blk - * - * \details - * Input: OFDM symbols (in the time domain, i.e. after the IFFT). Optionally, - * entire frames can be processed. In this case, \p len_tag_key must be - * specified which holds the key of the tag that denotes how - * many OFDM symbols are in a frame. - * Output: A stream of (scalar) complex symbols, which include the cyclic prefix - * and the pulse shaping. - * Note: If complete frames are processed, and \p rolloff_len is greater - * than zero, the final OFDM symbol is followed by the delay line of - * the pulse shaping. - * - * The pulse shape is a raised cosine in the time domain. - */ - class DIGITAL_API ofdm_cyclic_prefixer : virtual public tagged_stream_block - { - public: - typedef boost::shared_ptr<ofdm_cyclic_prefixer> sptr; - - /*! - * \param input_size FFT length (i.e. length of the OFDM symbols) - * \param output_size FFT length + cyclic prefix length (in samples) - * \param rolloff_len Length of the rolloff flank in samples - * \param len_tag_key For framed processing the key of the length tag - */ - static sptr make( - size_t input_size, - size_t output_size, - int rolloff_len=0, - const std::string &len_tag_key="" - ); - }; - - } // namespace digital -} // namespace gr - -#endif /* INCLUDED_DIGITAL_OFDM_CYCLIC_PREFIXER_H */ - |