/* * 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_DEFS__H__ #define __MODULATION_DEFS__H__ #include "PHY/defs_common.h" #include "modulation_common.h" #include "PHY/defs_UE.h" #include "PHY/defs_nr_UE.h" /** @addtogroup _PHY_MODULATION_ * @{ */ /*! \brief This function implements the OFDM front end processor on reception (FEP) \param phy_vars_ue Pointer to PHY variables \param l symbol within slot (0..6/7) \param Ns Slot number (0..19) \param sample_offset offset within rxdata (points to beginning of subframe) \param no_prefix if 1 prefix is removed by HW \param reset_freq_est if non-zero it resets the frequency offset estimation loop */ int slot_fep(PHY_VARS_UE *phy_vars_ue, unsigned char l, unsigned char Ns, int sample_offset, int no_prefix, int reset_freq_est); int nr_slot_fep(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, unsigned char symbol, c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]); int nr_slot_fep_init_sync(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, unsigned char symbol, int sample_offset, bool pbch_decoded, c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]); int slot_fep_mbsfn(PHY_VARS_UE *phy_vars_ue, unsigned char l, int subframe, int sample_offset, int no_prefix); int slot_fep_mbsfn_khz_1dot25(PHY_VARS_UE *phy_vars_ue, int subframe, int sample_offset); int front_end_fft(PHY_VARS_UE *ue, unsigned char l, unsigned char Ns, int sample_offset, int no_prefix); int front_end_chanEst(PHY_VARS_UE *ue, unsigned char l, unsigned char Ns, int reset_freq_est); void apply_7_5_kHz(PHY_VARS_UE *phy_vars_ue,int32_t*txdata,uint8_t subframe); int compute_BF_weights(int32_t **beam_weights, int32_t **calib_dl_ch_estimates, PRECODE_TYPE_t precode_type, int nb_ant, int nb_freq); /** @}*/ #endif