Bartosz PodrygajloandSakthivel Velumani
ece9d51db3
1. Refactor PDCCH PHY functions to take rxdataF of one OFDM symbol and produce LLR for each search space. The modified functions take rxdataF in a different format than that produced by nr_slot_fep(). So for now a memcpy is used to change the array structure. Once nr_slot_fep() is modified, this memcpy will no longer be needed and will be removed. 2. Modify DCI functions to decode DCI in the last PDCCH symbol and inidcate to MAC once. 3. Fix PDCCH monitoring for start symbol > 0. 4. Fix multiple PDCCH monitoring within slot. Co-authored-by: Sakthivel Velumani <mail@sakthi.me>
150 lines
7.1 KiB
C
150 lines
7.1 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_ESTIMATION_DEFS__H__
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#define __NR_ESTIMATION_DEFS__H__
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#include "PHY/defs_nr_UE.h"
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/** @addtogroup _PHY_PARAMETER_ESTIMATION_BLOCKS_
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* @{
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*/
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/* A function to perform the channel estimation of DL PRS signal */
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int nr_prs_channel_estimation(uint8_t gNB_id,
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uint8_t rsc_id,
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uint8_t rep_num,
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PHY_VARS_NR_UE *ue,
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const UE_nr_rxtx_proc_t *proc,
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NR_DL_FRAME_PARMS *frame_params,
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c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]);
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/* Generic function to find the peak of channel estimation buffer */
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void peak_estimator(int32_t *buffer, int32_t buf_len, int32_t *peak_idx, int32_t *peak_val, int32_t mean_val);
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/*!
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\brief This function performs channel estimation including frequency and temporal interpolation
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*/
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void nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
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const UE_nr_rxtx_proc_t *proc,
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unsigned char symbol,
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fapi_nr_coreset_t *coreset,
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uint16_t first_carrier_offset,
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uint16_t BWPStart,
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int32_t pdcch_est_size,
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c16_t pdcch_dl_ch_estimates[][pdcch_est_size],
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c16_t rxdataF[ue->frame_parms.nb_antennas_rx][ue->frame_parms.ofdm_symbol_size]);
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c32_t nr_pbch_dmrs_correlation(const NR_DL_FRAME_PARMS *fp,
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const UE_nr_rxtx_proc_t *proc,
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const int symbol,
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const int dmrss,
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const int Nid_cell,
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const int ssb_start_subcarrier,
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const uint32_t nr_gold_pbch[NR_PBCH_DMRS_LENGTH_DWORD],
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const c16_t rxdataF[][fp->samples_per_slot_wCP]);
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int nr_pbch_channel_estimation(const NR_DL_FRAME_PARMS *fp,
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const sl_nr_ue_phy_params_t *sl_phy_params,
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int estimateSz,
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struct complex16 dl_ch_estimates[][estimateSz],
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struct complex16 dl_ch_estimates_time[][fp->ofdm_symbol_size],
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const UE_nr_rxtx_proc_t *proc,
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unsigned char symbol,
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int dmrss,
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uint ssb_index,
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uint n_hf,
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int ssb_start_subcarrier,
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const c16_t rxdataF[][fp->samples_per_slot_wCP],
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bool sidelink,
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uint Nid);
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void nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
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const UE_nr_rxtx_proc_t *proc,
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const fapi_nr_dl_config_dlsch_pdu_rel15_t *dlsch,
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const freq_alloc_bitmap_t *freq_alloc,
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int nl,
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unsigned short p,
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unsigned char symbol,
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uint32_t pdsch_est_size,
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int32_t dl_ch_estimates[][pdsch_est_size],
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int rxdataFsize,
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c16_t rxdataF[][rxdataFsize],
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uint32_t *nvar);
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int nr_adjust_synch_ue(NR_DL_FRAME_PARMS *frame_parms,
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PHY_VARS_NR_UE *ue,
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module_id_t gNB_id,
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int estimateSz,
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struct complex16 dl_ch_estimates_time[][estimateSz],
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uint8_t frame,
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uint8_t subframe,
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short coef);
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void nr_ue_measurements(PHY_VARS_NR_UE *ue,
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const UE_nr_rxtx_proc_t *proc,
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int number_rbs,
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uint32_t pdsch_est_size,
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int32_t dl_ch_estimates[][pdsch_est_size]);
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uint32_t nr_ue_calculate_ssb_rsrp(const NR_DL_FRAME_PARMS *fp,
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const UE_nr_rxtx_proc_t *proc,
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const c16_t rxdataF[][fp->samples_per_slot_wCP],
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int symbol_offset,
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int ssb_start_subcarrier);
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void nr_ue_ssb_rsrp_measurements(PHY_VARS_NR_UE *ue,
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uint8_t gNB_index,
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const UE_nr_rxtx_proc_t *proc,
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c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]);
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void nr_ue_rrc_measurements(PHY_VARS_NR_UE *ue,
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const UE_nr_rxtx_proc_t *proc,
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c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]);
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void phy_adjust_gain_nr(PHY_VARS_NR_UE *ue,
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uint32_t rx_power_fil_dB,
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uint8_t gNB_id);
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void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
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int nbRx,
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c16_t ptrs_phase_per_slot[][14],
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int32_t ptrs_re_per_slot[][14],
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uint32_t rx_size_symbol,
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int32_t rxdataF_comp[][nbRx][rx_size_symbol * NR_SYMBOLS_PER_SLOT],
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NR_DL_FRAME_PARMS *frame_parms,
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NR_DL_UE_HARQ_t *dlsch0_harq,
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NR_DL_UE_HARQ_t *dlsch1_harq,
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uint8_t gNB_id,
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uint8_t nr_slot_rx,
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unsigned char symbol,
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uint16_t rnti,
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NR_UE_DLSCH_t dlsch[2]);
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int nr_sl_psbch_rsrp_measurements(sl_nr_ue_phy_params_t *sl_phy_params,
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NR_DL_FRAME_PARMS *fp,
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c16_t rxdataF[][fp->samples_per_slot_wCP],
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bool use_SSS,
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openair0_config_t *openair0_cfg);
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/** @}*/
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#endif
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