Commit 7ccf478a authored by Wang's avatar Wang

UE missing files for nr synchro

parent 8aa8b6ca
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/**********************************************************************
*
* FILENAME : dmrs.h
*
* MODULE : demodulation reference signals
*
* DESCRIPTION : generation of dmrs sequences for NR 5G
* 3GPP TS 38.211
*
************************************************************************/
#ifndef DMRS_NR_H
#define DMRS_NR_H
#include "PHY/defs_nr_UE.h"
#include "PHY/types.h"
#include "PHY/NR_REFSIG/ss_pbch_nr.h"
#include "PHY/NR_REFSIG/pss_nr.h"
#include "PHY/NR_REFSIG/sss_nr.h"
/************** CODE GENERATION ***********************************/
/************** DEFINE ********************************************/
/************* STRUCTURES *****************************************/
/************** VARIABLES *****************************************/
/************** FUNCTION ******************************************/
int pseudo_random_sequence(int M_PN, uint32_t *c, uint32_t cinit);
void lte_gold_new(LTE_DL_FRAME_PARMS *frame_parms, uint32_t lte_gold_table[20][2][14], uint16_t Nid_cell);
void generate_dmrs_pbch(uint32_t dmrs_pbch_bitmap[DMRS_PBCH_I_SSB][DMRS_PBCH_N_HF][DMRS_BITMAP_SIZE], uint16_t Nid_cell);
#undef EXTERN
#endif /* DMRS_NR_H */
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/**********************************************************************
*
* FILENAME : pss_nr.h
*
* MODULE : primary synchronisation signal
*
* DESCRIPTION : elements related to pss
*
************************************************************************/
#ifndef PSS_NR_H
#define PSS_NR_H
#include "PHY/defs_nr_UE.h"
#include "PHY/types.h"
#include "PHY/NR_REFSIG/ss_pbch_nr.h"
#ifdef DEFINE_VARIABLES_PSS_NR_H
#define EXTERN
#else
#define EXTERN extern
#endif
/************** CODE GENERATION ***********************************/
//#define PSS_DECIMATOR /* decimation of sample is done between time correlation */
//#define CIC_DECIMATOR /* it allows enabling decimation based on CIC filter. By default, decimation is based on a FIF filter */
#define TEST_SYNCHRO_TIMING_PSS (1) /* enable time profiling */
//#define DBG_PSS_NR
/************** DEFINE ********************************************/
/* PROFILING */
#define TIME_PSS (0)
#define TIME_RATE_CHANGE (TIME_PSS+1)
#define TIME_SSS (TIME_RATE_CHANGE+1)
#define TIME_LAST (TIME_SSS+1)
/* PSS configuration */
#define SYNCHRO_FFT_SIZE_MAX (2048) /* maximum size of fft for synchronisation */
#define NO_RATE_CHANGE (1)
#ifdef PSS_DECIMATOR
#define RATE_CHANGE (SYNCHRO_FFT_SIZE_MAX/SYNCHRO_FFT_SIZE_PSS)
#define SYNCHRO_FFT_SIZE_PSS (256)
#define OFDM_SYMBOL_SIZE_PSS (SYNCHRO_FFT_SIZE_PSS)
#define SYNCHRO_RATE_CHANGE_FACTOR (SYNCHRO_FFT_SIZE_MAX/SYNCHRO_FFT_SIZE_PSS)
#define CIC_FILTER_STAGE_NUMBER (4)
#else
#define RATE_CHANGE (1)
#define SYNCHRO_RATE_CHANGE_FACTOR (1)
#endif
#define SYNC_TMP_SIZE (NB_ANTENNAS_RX*SYNCHRO_FFT_SIZE_MAX*IQ_SIZE) /* to be aligned with existing lte synchro */
#define SYNCF_TMP_SIZE (SYNCHRO_FFT_SIZE_MAX*IQ_SIZE)
/************* STRUCTURES *****************************************/
/************** VARIABLES *****************************************/
//#define STATIC_SYNC_BUFFER
#ifdef STATIC_SYNC_BUFFER
/* buffer defined in file lte_sync_time */
EXTERN int16_t synchro_tmp[SYNC_TMP_SIZE] __attribute__((aligned(32)));
EXTERN int16_t synchroF_tmp[SYNCF_TMP_SIZE] __attribute__((aligned(32)));
#else
EXTERN int16_t *synchro_tmp;
EXTERN int16_t *synchroF_tmp;
#endif
EXTERN int16_t *primary_synchro_nr[NUMBER_PSS_SEQUENCE]
#ifdef INIT_VARIABLES_PSS_NR_H
= { NULL, NULL, NULL}
#endif
;
EXTERN int16_t *primary_synchro_time_nr[NUMBER_PSS_SEQUENCE]
#ifdef INIT_VARIABLES_PSS_NR_H
= { NULL, NULL, NULL}
#endif
;
EXTERN int *pss_corr_ue[NUMBER_PSS_SEQUENCE]
#ifdef INIT_VARIABLES_PSS_NR_H
= { NULL, NULL, NULL}
#endif
;
/* profiling structure */
EXTERN double cpuf;
time_stats_t generic_time[TIME_LAST];
#ifndef DEFINE_HEADER_ONLY
/************** FUNCTION ******************************************/
void *get_idft(int ofdm_symbol_size);
void *get_dft(int ofdm_symbol_size);
void init_context_synchro_nr(NR_DL_FRAME_PARMS *frame_parms_ue);
void free_context_synchro_nr(void);
void init_context_pss_nr(NR_DL_FRAME_PARMS *frame_parms_ue);
void free_context_pss_nr(void);
int set_pss_nr(int ofdm_symbol_size);
int pss_synchro_nr(PHY_VARS_NR_UE *PHY_vars_UE, int rate_change);
int pss_search_time_nr(int **rxdata, ///rx data in time domain
NR_DL_FRAME_PARMS *frame_parms,
int *eNB_id);
#endif
#undef EXTERN
#endif /* PSS_NR_H */
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/**********************************************************************
*
* FILENAME : ss_pbch_nr.h
*
* MODULE : this file contains define only
*
* DESCRIPTION : define elements related to SS/PBCH block ie synchronisation (pss/sss) and pbch
*
* see TS 38.211 7.4.2 Synchronisation Signals
* see TS 38.213 4 Synchronisation procedures
*
************************************************************************/
#ifndef SS_PBCH_NR_H
#define SS_PBCH_NR_H
/************** DEFINE ********************************************/
#define VOID_PARAMETER (void) /* avoid a compiler warning for unused parameters of function */
/* PSS parameters */
#define NUMBER_PSS_SEQUENCE (3)
#define INVALID_PSS_SEQUENCE (NUMBER_PSS_SEQUENCE)
#define LENGTH_PSS_NR (127)
#define N_SC_RB (12) /* Resource block size in frequency domain expressed as a number if subcarriers */
#define SCALING_PSS_NR (3)
#define SCALING_CE_PSS_NR (13) /* scaling channel estimation based on ps */
#define PSS_IFFT_SIZE (256)
#define PSS_SC_START_NR (52) /* see from TS 38.211 table 7.4.3.1-1: Resources within an SS/PBCH block for PSS... */
/* define ofdm symbol offset in the SS/PBCH block of NR synchronisation */
#define PSS_SYMBOL_NB (0) /* symbol numbers for each element */
#define PBCH_SYMBOL_NB (1)
#define SSS_SYMBOL_NB (2)
#define PBCH_LAST_SYMBOL_NB (3)
/* SS/PBCH parameters */
#define N_RB_SS_PBCH_BLOCK (20)
#define NB_SYMBOLS_PBCH (3)
#define IQ_SIZE (sizeof(int16_t) * 2) /* I and Q are alternatively stored into buffers */
#define N_SYMB_SLOT (14)
/* SS/PBCH parameters : see from TS 38.211 table 7.4.3.1-1: Resources within an SS/PBCH block for PSS... */
#define DMRS_PBCH_PER_RB (N_SC_RB >> 4) /* at 0+v, 4+v, 8+v for a resource block with v = NcellID modulo 4 */
#define DMRS_END_FIRST_PART (44)
#define DMRS_START_SECOND_PART (192)
#define DMRS_END_SECOND_PART (236)
#define DMRS_PBCH_NUMBER (NB_SYMBOLS_PBCH*(N_RB_SS_PBCH_BLOCK * DMRS_PBCH_PER_RB)) /* there are both PBCH and SSS/(Set to 0) at the second OFDM symbol of SS/PBCH so size is increased */
/* see TS 38211 7.4.1.4 Demodulation reference signals for PBCH */
#define DMRS_PBCH_I_SSB (8) /* maximum index value for SSB/PBCH which can have alength of L=4 or L=8 */
#define DMRS_PBCH_N_HF (2) /* half frame indication - 0 for first part of frame and 1 for second part of frame */
#define DMRS_ALIGNMENT_32_BIT (20) /* it is just for ensuring a 32 bits alignment for storing dmrs pbch into a 32 bits map */
#define DMRS_BITMAP_SIZE ((DMRS_PBCH_NUMBER-DMRS_ALIGNMENT_32_BIT)/32) /* size is divided by 32 (to get bitmap on uint32) DMRS_PBCH_NUMBER should be a multiple of 32 */
#endif /* SS_PBCH_NR_H */
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.0 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/***********************************************************************
*
* FILENAME : sss_nr.h
*
* MODULE : Secondary synchronisation signal
*
* DESCRIPTION : variables related to sss
*
************************************************************************/
#ifndef SSS_NR_H
#define SSS_NR_H
#include "PHY/defs_nr_UE.h"
#include "PHY/types.h"
#include "pss_nr.h"
#ifdef DEFINE_VARIABLES_SSS_NR_H
#define EXTERN
#define INIT_VARIABLES_SSS_NR_H
#else
#define EXTERN extern
#endif
/************** DEFINE ********************************************/
#define INT_MIN (-2147483647 - 1)
#define SAMPLES_IQ (sizeof(int16_t)*2)
#define NUMBER_SSS_SEQUENCE (336)
#define INVALID_SSS_SEQUENCE (NUMBER_SSS_SEQUENCE)
#define LENGTH_SSS_NR (127)
#define SCALING_METRIC_SSS_NR (19)
#define N_ID_2_NUMBER (NUMBER_PSS_SEQUENCE)
#define N_ID_1_NUMBER (NUMBER_SSS_SEQUENCE)
#define GET_NID2(Nid_cell) (Nid_cell%3)
#define GET_NID1(Nid_cell) (Nid_cell/3)
#define PSS_SC_START_NR (52) /* see from TS 38.211 table 7.4.3.1-1: Resources within an SS/PBCH block for PSS... */
/************** VARIABLES *****************************************/
#define PHASE_HYPOTHESIS_NUMBER (7)
#define INDEX_NO_PHASE_DIFFERENCE (3) /* this is for no phase shift case */
EXTERN const int16_t phase_re_nr[PHASE_HYPOTHESIS_NUMBER]
#ifdef INIT_VARIABLES_SSS_NR_H
= {16383, 25101, 30791, 32767, 30791, 25101, 16383}
#endif
;
EXTERN const int16_t phase_im_nr[PHASE_HYPOTHESIS_NUMBER]
#ifdef INIT_VARIABLES_SSS_NR_H
= {-28378, -21063, -11208, 0, 11207, 21062, 28377};
#endif
;
EXTERN int16_t d_sss[N_ID_2_NUMBER][N_ID_1_NUMBER][LENGTH_SSS_NR];
/************** FUNCTION ******************************************/
void init_context_sss_nr(int amp);
void free_context_sss_nr(void);
void insert_sss_nr(int16_t *sss_time,
NR_DL_FRAME_PARMS *frame_parms);
int pss_ch_est_nr(PHY_VARS_NR_UE *ue,
int32_t pss_ext[NB_ANTENNAS_RX][LENGTH_PSS_NR],
int32_t sss_ext[NB_ANTENNAS_RX][LENGTH_SSS_NR]);
int _do_pss_sss_extract_nr(PHY_VARS_NR_UE *ue,
int32_t pss_ext[NB_ANTENNAS_RX][LENGTH_PSS_NR],
int32_t sss_ext[NB_ANTENNAS_RX][LENGTH_SSS_NR],
uint8_t doPss, uint8_t doSss,
uint8_t subframe);
int rx_sss_nr(PHY_VARS_NR_UE *ue, int32_t *tot_metric, uint8_t *phase_max);
#undef INIT_VARIABLES_SSS_NR_H
#undef EXTERN
#endif /* SSS_NR_H */
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