107 lines
4.7 KiB
C
107 lines
4.7 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 __NR_UL_ESTIMATION_DEFS__H__
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#define __NR_UL_ESTIMATION_DEFS__H__
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#include "PHY/defs_gNB.h"
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/** @addtogroup _PHY_PARAMETER_ESTIMATION_BLOCKS_
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* @{
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*/
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/*!
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\brief This function performs channel estimation including frequency interpolation
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\param gNB Pointer to gNB PHY variables
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\param Ns slot number (0..19)
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\param p
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\param symbol symbol within slot
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\param ul_id
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\param bwp_start_subcarrier first allocated subcarrier
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\param pusch_pdu
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\param max_ch maximum value of estimated channel
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\param nvar
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*/
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int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
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unsigned char Ns,
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int nl,
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unsigned short p,
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unsigned char symbol,
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int ul_id,
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int beam_nb,
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unsigned short bwp_start_subcarrier,
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nfapi_nr_pusch_pdu_t *pusch_pdu,
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int *max_ch,
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uint32_t *nvar,
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c16_t *pusch_dmrs_slot_mem,
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c16_t *pusch_ch_est_dmrs_pos_slot_mem);
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void dump_nr_I0_stats(FILE *fd,PHY_VARS_gNB *gNB);
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void gNB_I0_measurements(PHY_VARS_gNB *gNB, int slot, int first_symb, int num_symb, uint32_t rb_mask_ul[14][9]);
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void nr_est_srs_timing_advance_offset(uint16_t ofdm_symbol_size,
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const c16_t srs_estimated_channel_time[][NR_SRS_IDFT_OVERSAMP_FACTOR * ofdm_symbol_size],
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uint8_t ant,
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uint8_t N_ap,
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uint32_t samples_per_frame,
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uint16_t *timing_advance_offset,
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int16_t *timing_advance_offset_nsec);
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void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
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NR_DL_FRAME_PARMS *frame_parms,
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nfapi_nr_pusch_pdu_t *rel15_ul,
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uint8_t ulsch_id,
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uint8_t nr_tti_rx,
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unsigned char symbol,
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uint32_t nb_re_pusch);
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int nr_srs_channel_estimation(int ant,
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int p_index,
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uint16_t ofdm_symbol_size,
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uint16_t first_carrier_offset,
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uint8_t N_symb_SRS,
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const nfapi_nr_srs_pdu_t *srs_pdu,
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const nr_srs_info_t *nr_srs_info,
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const c16_t *srs_generated_signal,
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c16_t srs_received_signal[ofdm_symbol_size * N_symb_SRS],
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c16_t srs_received_noise[ofdm_symbol_size * N_symb_SRS],
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c16_t srs_estimated_channel_freq[ofdm_symbol_size * N_symb_SRS],
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c16_t srs_estimated_channel_time[NR_SRS_IDFT_OVERSAMP_FACTOR * ofdm_symbol_size],
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c16_t srs_estimated_channel_time_shifted[NR_SRS_IDFT_OVERSAMP_FACTOR * ofdm_symbol_size],
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uint32_t *signal_power,
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uint32_t *noise_power,
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int16_t *noise_power_per_rb);
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void nr_freq_equalization(NR_DL_FRAME_PARMS *frame_parms,
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c16_t *rxdataF_comp,
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c16_t *ul_ch_mag,
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c16_t *ul_ch_mag_b,
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unsigned char symbol,
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unsigned short Msc_RS,
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unsigned char Qm);
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void nr_init_fde(void);
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#endif
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/** @}*/
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