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https://gitlab.eurecom.fr/oai/openairinterface5g.git
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TRS resources if configured by gnb, is present in two consequtive slots and two symbols per slot. LS estimates from the first symbol is saved and in second symbol frequency offset and time offset is estimated. The estimated FO is saved in UE global structure which is used in the last TRS slot. If the FO is above a threshold, the radio's center frequency is adjusted. Time offset is estimated but not used because time is already tracked using PBCH DMRS. Signed-off-by: Sakthivel Velumani <s.velumani@northeastern.edu>
163 lines
6.0 KiB
C
163 lines
6.0 KiB
C
/*
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* SPDX-License-Identifier: LicenseRef-CSSL-1.0
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*/
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/*
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* \brief NR UE PHY functions prototypes
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*/
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#ifndef __openair_SCHED_H__
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#define __openair_SCHED_H__
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#include "PHY/defs_nr_UE.h"
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/*enum THREAD_INDEX { OPENAIR_THREAD_INDEX = 0,
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TOP_LEVEL_SCHEDULER_THREAD_INDEX,
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DLC_SCHED_THREAD_INDEX,
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openair_SCHED_NB_THREADS
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};*/ // do not modify this line
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#define OPENAIR_THREAD_STACK_SIZE PTHREAD_STACK_MIN //4096 //RTL_PTHREAD_STACK_MIN*6
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//#define DLC_THREAD_STACK_SIZE 4096 //DLC stack size
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//#define UE_SLOT_PARALLELISATION
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//#define UE_DLSCH_PARALLELISATION
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/*enum openair_SCHED_STATUS {
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openair_SCHED_STOPPED=1,
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openair_SCHED_STARTING,
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openair_SCHED_STARTED,
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openair_SCHED_STOPPING
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};*/
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/*enum openair_ERROR {
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// HARDWARE CAUSES
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openair_ERROR_HARDWARE_CLOCK_STOPPED= 1,
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// SCHEDULER CAUSE
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openair_ERROR_OPENAIR_RUNNING_LATE,
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openair_ERROR_OPENAIR_SCHEDULING_FAILED,
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// OTHERS
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openair_ERROR_OPENAIR_TIMING_OFFSET_OUT_OF_BOUNDS,
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};*/
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/*enum openair_SYNCH_STATUS {
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openair_NOT_SYNCHED=1,
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openair_SYNCHED,
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openair_SCHED_EXIT
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};*/
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/*enum openair_HARQ_TYPE {
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openair_harq_DL = 0,
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openair_harq_UL,
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openair_harq_RA
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};*/
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/** @addtogroup _PHY_PROCEDURES_
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* @{
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*/
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/*! \brief Scheduling for UE TX procedures in normal subframes.
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@param ue Pointer to UE variables on which to act
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@param proc Pointer to RXn-TXnp4 proc information
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@param phy_data
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*/
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void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_phy_data_tx_t *phy_data, c16_t **txp);
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int pbch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_phy_data_t *phy_data);
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void pdcch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_phy_data_t *phy_data);
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void pdsch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_phy_data_t *phy_data);
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void processSlotTX(void *arg);
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/*! \brief UL time alignment procedures for TA application
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@param ue
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@param slot_tx
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@param frame_tx
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*/
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void ue_ta_procedures(PHY_VARS_NR_UE *ue, int slot_tx, int frame_tx);
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void set_tx_harq_id(NR_UE_ULSCH_t *ulsch, int harq_pid, int slot_tx);
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int get_tx_harq_id(NR_UE_ULSCH_t *ulsch, int slot_tx);
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int is_pbch_in_slot(fapi_nr_config_request_t *config, int frame, int slot, NR_DL_FRAME_PARMS *fp);
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int is_ssb_in_slot(fapi_nr_config_request_t *config, int frame, int slot, NR_DL_FRAME_PARMS *fp);
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bool is_csi_rs_in_symbol(fapi_nr_dl_config_csirs_pdu_rel15_t csirs_config_pdu, int symbol);
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/*! \brief This function prepares the dl indication to pass to the MAC
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*/
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void nr_fill_dl_indication(nr_downlink_indication_t *dl_ind,
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fapi_nr_dci_indication_t *dci_ind,
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fapi_nr_rx_indication_t *rx_ind,
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const UE_nr_rxtx_proc_t *proc,
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PHY_VARS_NR_UE *ue,
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void *phy_data);
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/*@}*/
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/*! \brief This function prepares the dl rx indication
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*/
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void nr_fill_rx_indication(fapi_nr_rx_indication_t *rx_ind,
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uint8_t pdu_type,
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PHY_VARS_NR_UE *ue,
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int cw_idx,
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int harq_pid,
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NR_UE_DLSCH_t *dlsch,
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uint16_t n_pdus,
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const UE_nr_rxtx_proc_t *proc,
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void *typeSpecific,
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uint8_t *b);
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void nr_pdcch_generate_llr(PHY_VARS_NR_UE *ue,
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const UE_nr_rxtx_proc_t *proc,
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int symbol,
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nr_phy_data_t *phy_data,
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int llr_size_symbol,
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int num_monitoring_occ,
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int max_symb,
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c16_t rxdataF[ue->frame_parms.nb_antennas_rx][ue->frame_parms.ofdm_symbol_size],
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c16_t pdcch_llr[phy_data->phy_pdcch_config.nb_search_space][num_monitoring_occ][max_symb * llr_size_symbol]);
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void nr_pdcch_dci_indication(const UE_nr_rxtx_proc_t *proc,
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int llr_size,
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int max_monOcc,
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PHY_VARS_NR_UE *ue,
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nr_phy_data_t *phy_data,
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c16_t llr[phy_data->phy_pdcch_config.nb_search_space][max_monOcc][llr_size]);
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void nr_ue_csi_im_procedures(PHY_VARS_NR_UE *ue,
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const c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP],
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const fapi_nr_dl_config_csiim_pdu_rel15_t *csiim_config_pdu);
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void nr_ue_csi_rs_procedures(PHY_VARS_NR_UE *ue,
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const UE_nr_rxtx_proc_t *proc,
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const c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP],
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fapi_nr_dl_config_csirs_pdu_rel15_t *csirs_config_pdu,
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c16_t trs_estimates[][1][ue->frame_parms.ofdm_symbol_size],
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const int res_idx,
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const int trs_sym0);
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void trs_freq_correction(PHY_VARS_NR_UE *ue, int cfo);
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int psbch_pscch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_phy_data_t *phy_data);
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void phy_procedures_nrUE_SL_TX(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_phy_data_tx_t *phy_data, c16_t **txp);
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/*! \brief This function prepares the sl indication to pass to the MAC
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*/
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void nr_fill_sl_indication(nr_sidelink_indication_t *sl_ind,
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sl_nr_rx_indication_t *rx_ind,
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sl_nr_sci_indication_t *sci_ind,
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const UE_nr_rxtx_proc_t *proc,
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PHY_VARS_NR_UE *ue,
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void *phy_data);
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void nr_fill_sl_rx_indication(sl_nr_rx_indication_t *rx_ind,
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uint8_t pdu_type,
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PHY_VARS_NR_UE *ue,
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uint16_t n_pdus,
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void *typeSpecific,
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uint16_t rx_slss_id);
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#endif
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/** @}*/
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