/* * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The OpenAirInterface Software Alliance licenses this file to You under * the OAI Public License, Version 1.1 (the "License"); you may not use this file * except in compliance with the License. * You may obtain a copy of the License at * * http://www.openairinterface.org/?page_id=698 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------------------- * For more information about the OpenAirInterface (OAI) Software Alliance: * contact@openairinterface.org */ #ifndef __MODULATION_COMMON__H__ #define __MODULATION_COMMON__H__ #include "PHY/defs_common.h" #include "PHY/defs_nr_common.h" /** @addtogroup _PHY_MODULATION_ * @{ */ /** \fn void PHY_ofdm_mod(int *input,int *output,int fftsize,unsigned char nb_symbols,unsigned short nb_prefix_samples,Extension_t etype) This function performs OFDM modulation with cyclic extension or zero-padding. @param input The sequence input samples in the frequency-domain. This is a concatenation of the input symbols in SIMD redundant format @param output The time-domain output signal @param fftsize size of OFDM symbol size (\f$N_d\f$) @param nb_symbols The number of OFDM symbols in the block @param nb_prefix_samples The number of prefix/suffix/zero samples @param etype Type of extension (CYCLIC_PREFIX,CYCLIC_SUFFIX,ZEROS) */ void PHY_ofdm_mod(int *input, int *output, int fftsize, unsigned char nb_symbols, unsigned short nb_prefix_samples, Extension_t etype ); void normal_prefix_mod(int32_t *txdataF,int32_t *txdata,uint8_t nsymb,LTE_DL_FRAME_PARMS *frame_parms); void nr_normal_prefix_mod(c16_t *txdataF, c16_t *txdata, uint8_t nsymb, NR_DL_FRAME_PARMS *frame_parms, uint32_t slot); void do_OFDM_mod(c16_t **txdataF, c16_t **txdata, uint32_t frame,uint16_t next_slot, LTE_DL_FRAME_PARMS *frame_parms); /** @}*/ #endif