84 lines
3.9 KiB
C
84 lines
3.9 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 bwp_start_subcarrier, first allocated subcarrier
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\param nb_rb_pusch, number of allocated RBs for this UE
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\param max_ch maximum value of estimated channel
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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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unsigned short p,
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unsigned char symbol,
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int ul_id,
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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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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);
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void nr_gnb_measurements(PHY_VARS_gNB *gNB, NR_gNB_ULSCH_t *ulsch, NR_gNB_PUSCH *pusch_vars, unsigned char symbol, uint8_t nrOfLayers);
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void nr_est_timing_advance_pusch(const NR_DL_FRAME_PARMS *frame_parms, const int32_t *ul_ch_estimates_time, NR_ULSCH_delay_t *delay);
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int nr_est_timing_advance_srs(const NR_DL_FRAME_PARMS *frame_parms,
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const int32_t srs_estimated_channel_time[][frame_parms->ofdm_symbol_size]);
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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(const PHY_VARS_gNB *gNB,
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const int frame,
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const int slot,
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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 int32_t **srs_generated_signal,
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int32_t srs_received_signal[][gNB->frame_parms.ofdm_symbol_size*(1<<srs_pdu->num_symbols)],
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int32_t srs_estimated_channel_freq[][1<<srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size*(1<<srs_pdu->num_symbols)],
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int32_t srs_estimated_channel_time[][1<<srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size],
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int32_t srs_estimated_channel_time_shifted[][1<<srs_pdu->num_ant_ports][gNB->frame_parms.ofdm_symbol_size],
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int8_t *snr_per_rb,
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int8_t *snr);
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#endif
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