90 lines
3.0 KiB
C
90 lines
3.0 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#ifndef __MODULATION_DEFS__H__
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#define __MODULATION_DEFS__H__
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#include "PHY/defs_common.h"
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#include "modulation_common.h"
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#include "PHY/defs_UE.h"
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#include "PHY/defs_nr_UE.h"
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/** @addtogroup _PHY_MODULATION_
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* @{
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*/
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/*!
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\brief This function implements the OFDM front end processor on reception (FEP)
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\param phy_vars_ue Pointer to PHY variables
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\param l symbol within slot (0..6/7)
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\param Ns Slot number (0..19)
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\param sample_offset offset within rxdata (points to beginning of subframe)
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\param no_prefix if 1 prefix is removed by HW
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\param reset_freq_est if non-zero it resets the frequency offset estimation loop
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*/
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int slot_fep(PHY_VARS_UE *phy_vars_ue,
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unsigned char l,
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unsigned char Ns,
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int sample_offset,
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int no_prefix,
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int reset_freq_est);
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int nr_slot_fep(PHY_VARS_NR_UE *ue,
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const NR_DL_FRAME_PARMS *frame_parms,
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unsigned int slot,
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unsigned int symbol,
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c16_t rxdataF[][frame_parms->samples_per_slot_wCP],
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enum nr_Link linktype,
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uint32_t sample_offset,
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c16_t **rxdata);
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int slot_fep_mbsfn(PHY_VARS_UE *phy_vars_ue,
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unsigned char l,
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int subframe,
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int sample_offset,
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int no_prefix);
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int slot_fep_mbsfn_khz_1dot25(PHY_VARS_UE *phy_vars_ue,
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int subframe,
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int sample_offset);
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int front_end_fft(PHY_VARS_UE *ue,
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unsigned char l,
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unsigned char Ns,
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int sample_offset,
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int no_prefix);
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int front_end_chanEst(PHY_VARS_UE *ue,
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unsigned char l,
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unsigned char Ns,
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int reset_freq_est);
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void apply_7_5_kHz(PHY_VARS_UE *phy_vars_ue,int32_t*txdata,uint8_t subframe);
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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);
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/** @}*/
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#endif
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