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/*
* 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
*/
/*! \file PHY/defs_nr_common.h
\brief Top-level defines and structure definitions
\author Guy De Souza
\date 2018
\version 0.1
\company Eurecom
\email: desouza@eurecom.fr
\note
\warning
*/
#ifndef __PHY_DEFS_NR_COMMON__H__
#define __PHY_DEFS_NR_COMMON__H__
#include "PHY/impl_defs_top.h"
#include "defs_common.h"
#include "nfapi_nr_interface_scf.h"
#include "impl_defs_nr.h"
#include "PHY/CODING/nrPolar_tools/nr_polar_defs.h"
#define nr_subframe_t lte_subframe_t
#define nr_slot_t lte_subframe_t
#define MAX_NUM_SUBCARRIER_SPACING 5
#define NR_MAX_OFDM_SYMBOL_SIZE 8192
#define NR_SYMBOLS_PER_SLOT NR_NUMBER_OF_SYMBOLS_PER_SLOT
#define ONE_OVER_SQRT2_Q15 23170
#define ONE_OVER_TWO_Q15 16384
#define NR_MOD_TABLE_SIZE_SHORT 686
#define NR_MOD_TABLE_BPSK_OFFSET 1
#define NR_MOD_TABLE_QPSK_OFFSET 3
#define NR_MOD_TABLE_QAM16_OFFSET 7
#define NR_MOD_TABLE_QAM64_OFFSET 23
#define NR_MOD_TABLE_QAM256_OFFSET 87
#define NR_PSS_LENGTH 127
#define NR_SSS_LENGTH 127
#define NR_MAX_PRS_LENGTH 3264 //272*6(max allocation per RB)*2(QPSK)
#define NR_MAX_PRS_INIT_LENGTH_DWORD 102 // ceil(NR_MAX_CSI_RS_LENGTH/32)
#define NR_MAX_NUM_PRS_SYMB 12
#define NR_MAX_PRS_COMB_SIZE 12
#define NR_MAX_PRS_RESOURCES_PER_SET 64
#define NR_MAX_PRS_MUTING_PATTERN_LENGTH 32
#define NR_PBCH_DMRS_LENGTH 144 // in mod symbols
#define NR_PBCH_DMRS_LENGTH_DWORD 10 // ceil(2(QPSK)*NR_PBCH_DMRS_LENGTH/32)
/*used for the resource mapping*/
#define NR_MAX_PDCCH_DMRS_LENGTH 576 // 16(L)*2(QPSK)*3(3 DMRS symbs per REG)*6(REG per CCE)
#define NR_MAX_PDCCH_SIZE 8192 // It seems it is the max polar coded block size
#define NR_MAX_DCI_PAYLOAD_SIZE 64
#define NR_MAX_DCI_SIZE 1728 //16(L)*2(QPSK)*9(12 RE per REG - 3(DMRS))*6(REG per CCE)
#define NR_MAX_DCI_SIZE_DWORD 54 // ceil(NR_MAX_DCI_SIZE/32)
#define NR_MAX_PDCCH_AGG_LEVEL 16 // 3GPP TS 38.211 V15.8 Section 7.3.2 Table 7.3.2.1-1: Supported PDCCH aggregation levels
#define NR_MAX_NB_PORTS 32
#define NR_MAX_PDSCH_TBS 3824
#define MAX_NUM_NR_DLSCH_SEGMENTS_PER_LAYER 36
#define MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER 34
#define MAX_NUM_NR_RE (4*14*273*12)
#define MAX_NUM_NR_SRS_SYMBOLS 4
#define MAX_NUM_NR_SRS_AP 4
#define NR_NB_NSCID 2
#define MAX_DELAY_COMP 20
typedef enum {
NR_MU_0=0,
NR_MU_1,
NR_MU_2,
NR_MU_3,
NR_MU_4,
} nr_numerology_index_e;
typedef enum{
nr_ssb_type_A = 0,
nr_ssb_type_B,
nr_ssb_type_C,
nr_ssb_type_D,
nr_ssb_type_E
} nr_ssb_type_e;
typedef struct {
uint8_t k_0_p[MAX_NUM_NR_SRS_AP][MAX_NUM_NR_SRS_SYMBOLS];
uint8_t srs_generated_signal_bits;
int32_t **srs_generated_signal;
nfapi_nr_srs_pdu_t srs_pdu;
} nr_srs_info_t;
typedef struct {
uint16_t csi_gold_init;
uint32_t ***nr_gold_csi_rs;
uint8_t csi_rs_generated_signal_bits;
int32_t **csi_rs_generated_signal;
bool csi_im_meas_computed;
uint32_t interference_plus_noise_power;
} nr_csi_info_t;
typedef struct NR_DL_FRAME_PARMS NR_DL_FRAME_PARMS;
typedef uint32_t (*get_samples_per_slot_t)(int slot, const NR_DL_FRAME_PARMS *fp);
typedef uint32_t (*get_slot_from_timestamp_t)(openair0_timestamp timestamp_rx, const NR_DL_FRAME_PARMS *fp);
typedef uint32_t (*get_samples_slot_timestamp_t)(int slot, const NR_DL_FRAME_PARMS *fp, uint8_t sl_ahead);
struct NR_DL_FRAME_PARMS {
/// frequency range
nr_frequency_range_e freq_range;
// /// Placeholder to replace overlapping fields below
// nfapi_nr_rf_config_t rf_config;
/// Placeholder to replace SSB overlapping fields below
// nfapi_nr_sch_config_t sch_config;
/// Number of resource blocks (RB) in DL
int N_RB_DL;
/// Number of resource blocks (RB) in UL
int N_RB_UL;
/// Number of resource blocks (RB) in SL
int N_RB_SL;
/// total Number of Resource Block Groups: this is ceil(N_PRB/P)
uint8_t N_RBG;
/// Total Number of Resource Block Groups SubSets: this is P
uint8_t N_RBGS;
/// NR Band
uint16_t nr_band;
/// DL carrier frequency
uint64_t dl_CarrierFreq;
/// UL carrier frequency
uint64_t ul_CarrierFreq;
/// SL carrier frequency
uint64_t sl_CarrierFreq;
/// TX attenuation
uint32_t att_tx;
/// RX attenuation
uint32_t att_rx;
/// total Number of Resource Block Groups: this is ceil(N_PRB/P)
/// Frame type (0 FDD, 1 TDD)
frame_type_t frame_type;
uint8_t tdd_config;
/// Sidelink Cell ID
uint16_t Nid_SL;
/// Cell ID
uint16_t Nid_cell;
/// subcarrier spacing (15,30,60,120)
uint32_t subcarrier_spacing;
/// 3/4 sampling
uint8_t threequarter_fs;
/// Size of FFT
uint16_t ofdm_symbol_size;
/// Number of prefix samples in all but first symbol of slot
uint16_t nb_prefix_samples;
/// Number of prefix samples in first symbol of slot
uint16_t nb_prefix_samples0;
/// Carrier offset in FFT buffer for first RE in PRB0
uint16_t first_carrier_offset;
/// Number of OFDM/SC-FDMA symbols in one slot
uint16_t symbols_per_slot;
/// Number of slots per subframe
uint16_t slots_per_subframe;
/// Number of slots per frame
uint16_t slots_per_frame;
/// Number of samples in a subframe
uint32_t samples_per_subframe;
/// Number of samples in current slot
get_samples_per_slot_t get_samples_per_slot;
/// slot calculation from timestamp
get_slot_from_timestamp_t get_slot_from_timestamp;
/// Number of samples before slot
get_samples_slot_timestamp_t get_samples_slot_timestamp;
/// Number of samples in 0th and center slot of a subframe
uint32_t samples_per_slot0;
/// Number of samples in other slots of the subframe
uint32_t samples_per_slotN0;
/// Number of samples in a radio frame
uint32_t samples_per_frame;
/// Number of samples in a subframe without CP
uint32_t samples_per_subframe_wCP;
/// Number of samples in a slot without CP
uint32_t samples_per_slot_wCP;
/// Number of samples in a radio frame without CP
uint32_t samples_per_frame_wCP;
/// NR numerology index [0..5] as specified in 38.211 Section 4 (mu). 0=15khZ SCS, 1=30khZ, 2=60kHz, etc
uint8_t numerology_index;
/// Number of Physical transmit antennas in node (corresponds to nrOfAntennaPorts)
uint8_t nb_antennas_tx;
/// Number of Receive antennas in node
uint8_t nb_antennas_rx;
/// Number of common transmit antenna ports in eNodeB (1 or 2)
uint8_t nb_antenna_ports_gNB;
/// Cyclic Prefix for DL (0=Normal CP, 1=Extended CP)
lte_prefix_type_t Ncp;
/// sequence which is computed based on carrier frequency and numerology to rotate/derotate each OFDM symbol according to Section 5.3 in 38.211
/// First dimension is for the direction of the link (0 DL, 1 UL, 2 SL)
c16_t symbol_rotation[3][224];
/// sequence used to compensate the phase rotation due to timeshifted OFDM symbols
/// First dimenstion is for different CP lengths
c16_t timeshift_symbol_rotation[4096*2] __attribute__ ((aligned (16)));
/// Table used to apply the delay compensation in DL/UL
c16_t delay_table[2 * MAX_DELAY_COMP + 1][NR_MAX_OFDM_SYMBOL_SIZE];
/// SRS configuration from TS 38.331 RRC
SRS_NR srs_nr;
/// Power used by SSB in order to estimate signal strength and path loss
int ss_PBCH_BlockPower;
/// for NR TDD management
TDD_UL_DL_configCommon_t *p_tdd_UL_DL_Configuration;
TDD_UL_DL_configCommon_t *p_tdd_UL_DL_ConfigurationCommon2;
TDD_UL_DL_SlotConfig_t *p_TDD_UL_DL_ConfigDedicated;
/// TDD configuration
uint16_t tdd_uplink_nr[2*NR_MAX_SLOTS_PER_FRAME]; /* this is a bitmap of symbol of each slot given for 2 frames */
uint8_t half_frame_bit;
//SSB related params
/// Start in Subcarrier index of the SSB block
uint16_t ssb_start_subcarrier;
/// SSB type
nr_ssb_type_e ssb_type;
/// Max number of SSB in frame
uint8_t Lmax;
/// SS block pattern (max 64 ssb, each bit is on/off ssb)
uint64_t L_ssb;
/// Total number of SSB transmitted
uint8_t N_ssb;
/// SSB index
uint8_t ssb_index;
/// OFDM symbol offset divisor for UL
uint32_t ofdm_offset_divisor;
uint16_t tdd_slot_config;
uint8_t tdd_period;
};
// PRS config structures
typedef struct {
uint16_t PRSResourceSetPeriod[2]; // [slot period, slot offset] of a PRS resource set
uint16_t PRSResourceOffset; // Slot offset of each PRS resource defined relative to the slot offset of the PRS resource set (0...511)
uint8_t PRSResourceRepetition; // Repetition factor for all PRS resources in resource set (1 /*default*/, 2, 4, 6, 8, 16, 32)
uint8_t PRSResourceTimeGap; // Slot offset between two consecutive repetition indices of all PRS resources in a PRS resource set (1 /*default*/, 2, 4, 6, 8, 16, 32)
uint16_t NumRB; // Number of PRBs allocated to all PRS resources in a PRS resource set (<= 272 and multiples of 4)
uint8_t NumPRSSymbols; // Number of OFDM symbols in a slot allocated to each PRS resource in a PRS resource set
uint8_t SymbolStart; // Starting OFDM symbol of each PRS resource in a PRS resource set
uint16_t RBOffset; // Starting PRB index of all PRS resources in a PRS resource set
uint8_t CombSize; // RE density of all PRS resources in a PRS resource set (2, 4, 6, 12)
uint8_t REOffset; // Starting RE offset in the first OFDM symbol of each PRS resource in a PRS resource set
uint32_t MutingPattern1[32]; // Muting bit pattern option-1, specified as [] or a binary-valued vector of length 2, 4, 6, 8, 16, or 32
uint32_t MutingPattern2[32]; // Muting bit pattern option-2, specified as [] or a binary-valued vector of length 2, 4, 6, 8, 16, or 32
uint8_t MutingBitRepetition; // Muting bit repetition factor, specified as 1, 2, 4, or 8
uint16_t NPRSID; // Sequence identity of each PRS resource in a PRS resource set, specified in the range [0, 4095]
} prs_config_t;
typedef struct {
int8_t gNB_id;
int32_t sfn;
int8_t slot;
int8_t rxAnt_idx;
float dl_toa;
int32_t dl_aoa;
float snr;
float rsrp;
float rsrp_dBm;
int32_t reserved;
} prs_meas_t;
// rel16 prs k_prime table as per ts138.211 sec.7.4.1.7.2
#define K_PRIME_TABLE_ROW_SIZE 4
#define K_PRIME_TABLE_COL_SIZE 12
#define PRS_K_PRIME_TABLE { {0,1,0,1,0,1,0,1,0,1,0,1}, \
{0,2,1,3,0,2,1,3,0,2,1,3}, \
{0,3,1,4,2,5,0,3,1,4,2,5}, \
{0,6,3,9,1,7,4,10,2,8,5,11} };
#define KHz (1000UL)
#define MHz (1000*KHz)
#endif