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/*******************************************************************************
*******************************************************************************/
/*! \file PHY/LTE_TRANSPORT/defs_NB_IoT.h
* \brief data structures for NPDSCH/NDLSCH/NPUSCH/NULSCH physical and transport channel descriptors (TX/RX) of NB-IoT
* \author M. KANJ
* \date 2017
* \version 0.0
* \company bcom
* \email: matthieu.kanj@b-com.com
* \note
* \warning
*/
#ifndef __LTE_TRANSPORT_DEFS_NB_IOT__H__
#define __LTE_TRANSPORT_DEFS_NB_IOT__H__
////#include "PHY/defs.h"
//#include "PHY/defs_nb_iot.h"
#include "PHY/LTE_TRANSPORT/dci_NB_IoT.h"
#include "PHY/impl_defs_lte_NB_IoT.h"
#include "openair2/COMMON/platform_types.h"
//#include "dci.h"
#include "PHY/LTE_TRANSPORT/uci_NB_IoT.h"
//#include "dci.h"
//#include "uci.h"
//#ifndef STANDALONE_COMPILE
//#include "UTIL/LISTS/list.h"
//#endif
//#include "dci_nb_iot.h"
//#define MOD_TABLE_QPSK_OFFSET 1
//#define MOD_TABLE_16QAM_OFFSET 5
//#define MOD_TABLE_64QAM_OFFSET 21
//#define MOD_TABLE_PSS_OFFSET 85
//
//// structures below implement 36-211 and 36-212
//
//#define NSOFT 1827072
#define LTE_NULL_NB_IoT 2
//
//// maximum of 3 segments before each coding block if data length exceeds 6144 bits.
//
#define MAX_NUM_DLSCH_SEGMENTS_NB_IoT 16
//#define MAX_NUM_ULSCH_SEGMENTS MAX_NUM_DLSCH_SEGMENTS
//#define MAX_DLSCH_PAYLOAD_BYTES (MAX_NUM_DLSCH_SEGMENTS*768)
//#define MAX_ULSCH_PAYLOAD_BYTES (MAX_NUM_ULSCH_SEGMENTS*768)
//
//#define MAX_NUM_CHANNEL_BITS_NB_IOT (14*1200*6) // 14 symbols, 1200 REs, 12 bits/RE
//#define MAX_NUM_RE (14*1200)
//
//#if !defined(SI_RNTI)
//#define SI_RNTI (rnti_t)0xffff
//#endif
//#if !defined(M_RNTI)
//#define M_RNTI (rnti_t)0xfffd
//#endif
//#if !defined(P_RNTI)
//#define P_RNTI (rnti_t)0xfffe
//#endif
//#if !defined(CBA_RNTI)
//#define CBA_RNTI (rnti_t)0xfff4
//#endif
//#if !defined(C_RNTI)
//#define C_RNTI (rnti_t)0x1234
//#endif
//
//#define PMI_2A_11 0
//#define PMI_2A_1m1 1
//#define PMI_2A_1j 2
//#define PMI_2A_1mj 3
//
//// for NB-IoT
#define MAX_NUM_CHANNEL_BITS_NB_IoT 3360 //14 symbols * 12 sub-carriers * 10 SF * 2bits/RE // to check during real tests
#define MAX_DL_SIZE_BITS_NB_IoT 680 // in release 13 // in release 14 = 2048 // ??? **** not sure
////#define MAX_NUM_CHANNEL_BITS_NB_IOT 3*680 /// ??? ****not sure
//
//// to be created LTE_eNB_DLSCH_t --> is duplicated for each number of UE and then indexed in the table
//
//typedef struct { // LTE_DL_eNB_HARQ_t
// /// Status Flag indicating for this DLSCH (idle,active,disabled)
// SCH_status_t status;
// /// Transport block size
// uint32_t TBS;
// /// The payload + CRC size in bits, "B" from 36-212
// uint32_t B; // keep this parameter
// /// Pointer to the payload
// uint8_t *b; // keep this parameter
// /// Pointers to transport block segments
// //uint8_t *c[MAX_NUM_DLSCH_SEGMENTS];
// /// RTC values for each segment (for definition see 36-212 V8.6 2009-03, p.15)
// // uint32_t RTC[MAX_NUM_DLSCH_SEGMENTS];
// /// Frame where current HARQ round was sent
// uint32_t frame;
// /// Subframe where current HARQ round was sent
// uint32_t subframe;
// /// Index of current HARQ round for this DLSCH
// uint8_t round;
// /// MCS format for this DLSCH
// uint8_t mcs;
// /// Redundancy-version of the current sub-frame
// uint8_t rvidx;
// /// MIMO mode for this DLSCH
// MIMO_mode_t mimo_mode;
// /// Current RB allocation
// uint32_t rb_alloc[4];
// /// distributed/localized flag
// vrb_t vrb_type;
// /// Current subband PMI allocation
// uint16_t pmi_alloc;
// /// Current subband RI allocation
// uint32_t ri_alloc;
// /// Current subband CQI1 allocation
// uint32_t cqi_alloc1;
// /// Current subband CQI2 allocation
// uint32_t cqi_alloc2;
// /// Current Number of RBs
// uint16_t nb_rb;
// /// downlink power offset field
// uint8_t dl_power_off;
// /// Concatenated "e"-sequences (for definition see 36-212 V8.6 2009-03, p.17-18)
// uint8_t e[MAX_NUM_CHANNEL_BITS_NB_IOT];
// /// data after scrambling
// uint8_t s_e[MAX_NUM_CHANNEL_BITS_NB_IOT];
// /// length of the table e
// uint16_t length_e // new parameter
// /// Tail-biting convolutional coding outputs
// uint8_t d[96+(3*(24+MAX_DL_SIZE_BITS_NB_IOT))]; // new parameter
// /// Sub-block interleaver outputs
// uint8_t w[3*3*(MAX_DL_SIZE_BITS_NB_IOT+24)]; // new parameter
// /// Number of MIMO layers (streams) (for definition see 36-212 V8.6 2009-03, p.17, TM3-4)
// uint8_t Nl;
// /// Number of layers for this PDSCH transmission (TM8-10)
// uint8_t Nlayers;
// /// First layer for this PSCH transmission
// uint8_t first_layer;
//} NB_IoT_DL_eNB_HARQ_t;
typedef enum {
SCH_IDLE_NB_IoT,
ACTIVE_NB_IoT,
CBA_ACTIVE_NB_IoT,
DISABLED_NB_IoT
} SCH_status_NB_IoT_t;
typedef struct {
/// NB-IoT
SCH_status_NB_IoT_t status;
/// The scheduling the NPDCCH and the NPDSCH transmission TS 36.213 Table 16.4.1-1
uint8_t scheduling_delay;
/// The number of the subframe to transmit the NPDSCH Table TS 36.213 Table 16.4.1.3-1 (Nsf) (NB. in this case is not the index Isf)
uint8_t resource_assignment;
/// is the index that determined the repeat number of NPDSCH through table TS 36.213 Table 16.4.1.3-2 / for SIB1-NB Table 16.4.1.3-3
uint8_t repetition_number;
/// Determined the ACK/NACK delay and the subcarrier allocation TS 36.213 Table 16.4.2
uint8_t HARQ_ACK_resource;
/// Determined the repetition number value 0-3 (2 biut carried by the FAPI NPDCCH)
uint8_t dci_subframe_repetitions;
/// modulation always QPSK Qm = 2
uint8_t modulation;
/// Concatenated "e"-sequences (for definition see 36-212 V8.6 2009-03, p.17-18)
uint8_t e[MAX_NUM_CHANNEL_BITS_NB_IoT];
/// data after scrambling
uint8_t s_e[MAX_NUM_CHANNEL_BITS_NB_IoT];
//length of the table e
uint16_t length_e; // new parameter
/// Tail-biting convolutional coding outputs
uint8_t d[96+(3*(24+MAX_DL_SIZE_BITS_NB_IoT))]; // new parameter
/// Sub-block interleaver outputs
uint8_t w[3*3*(MAX_DL_SIZE_BITS_NB_IoT+24)]; // new parameter
/// Status Flag indicating for this DLSCH (idle,active,disabled)
//SCH_status_t status;
/// Transport block size
uint32_t TBS;
/// The payload + CRC size in bits, "B" from 36-212
uint32_t B;
/// Pointer to the payload
uint8_t *b;
///pdu of the ndlsch message
uint8_t *pdu;
/// Frame where current HARQ round was sent
uint32_t frame;
/// Subframe where current HARQ round was sent
uint32_t subframe;
/// Index of current HARQ round for this DLSCH
uint8_t round;
/// MCS format for this NDLSCH , TS 36.213 Table 16.4.1.5
uint8_t mcs;
// we don't have code block segmentation / crc attachment / concatenation in NB-IoT R13 36.212 6.4.2
// we don't have beamforming in NB-IoT
//this index will be used mainly for SI message buffer
uint8_t pdu_buffer_index;
} NB_IoT_DL_eNB_HARQ_t;
typedef struct { // LTE_eNB_DLSCH_t
/// TX buffers for UE-spec transmission (antenna ports 5 or 7..14, prior to precoding)
uint32_t *txdataF[8];
/// Allocated RNTI (0 means DLSCH_t is not currently used)
uint16_t rnti;
/// Active flag for baseband transmitter processing
uint8_t active;
/// Indicator of TX activation per subframe. Used during PUCCH detection for ACK/NAK.
uint8_t subframe_tx[10];
/// First CCE of last PDSCH scheduling per subframe. Again used during PUCCH detection for ACK/NAK.
uint8_t nCCE[10];
/// Current HARQ process id
uint8_t current_harq_pid;
/// Process ID's per subframe. Used to associate received ACKs on PUSCH/PUCCH to DLSCH harq process ids
uint8_t harq_ids[10];
/// Window size (in outgoing transport blocks) for fine-grain rate adaptation
uint8_t ra_window_size;
/// First-round error threshold for fine-grain rate adaptation
uint8_t error_threshold;
/// Pointers to 8 HARQ processes for the DLSCH
NB_IoT_DL_eNB_HARQ_t harq_process;
/// circular list of free harq PIDs (the oldest come first)
/// (10 is arbitrary value, must be > to max number of DL HARQ processes in LTE)
int harq_pid_freelist[10];
/// the head position of the free list (if list is free then head=tail)
int head_freelist;
/// the tail position of the free list
int tail_freelist;
/// Number of soft channel bits
uint32_t G;
/// Codebook index for this dlsch (0,1,2,3)
uint8_t codebook_index;
/// Maximum number of HARQ processes (for definition see 36-212 V8.6 2009-03, p.17)
uint8_t Mdlharq;
/// Maximum number of HARQ rounds
uint8_t Mlimit;
/// MIMO transmission mode indicator for this sub-frame (for definition see 36-212 V8.6 2009-03, p.17)
uint8_t Kmimo;
/// Nsoft parameter related to UE Category
uint32_t Nsoft;
/// amplitude of PDSCH (compared to RS) in symbols without pilots
int16_t sqrt_rho_a;
/// amplitude of PDSCH (compared to RS) in symbols containing pilots
int16_t sqrt_rho_b;
} NB_IoT_eNB_DLSCH_t;
typedef struct {
/// HARQ process id
uint8_t harq_id;
/// ACK bits (after decoding) 0:NACK / 1:ACK / 2:DTX
uint8_t ack;
/// send status (for PUCCH)
uint8_t send_harq_status;
/// nCCE (for PUCCH)
uint8_t nCCE;
/// DAI value detected from DCI1/1a/1b/1d/2/2a/2b/2c. 0xff indicates not touched
uint8_t vDAI_DL;
/// DAI value detected from DCI0/4. 0xff indicates not touched
uint8_t vDAI_UL;
} harq_status_NB_IoT_t;
typedef struct {
/// UL RSSI per receive antenna
int32_t UL_rssi[NB_ANTENNAS_RX];
/// PUCCH1a/b power (digital linear)
uint32_t Po_PUCCH;
/// PUCCH1a/b power (dBm)
int32_t Po_PUCCH_dBm;
/// PUCCH1 power (digital linear), conditioned on below threshold
uint32_t Po_PUCCH1_below;
/// PUCCH1 power (digital linear), conditioned on above threshold
uint32_t Po_PUCCH1_above;
/// Indicator that Po_PUCCH has been updated by PHY
int32_t Po_PUCCH_update;
/// DL Wideband CQI index (2 TBs)
uint8_t DL_cqi[2];
/// DL Subband CQI index (from HLC feedback)
uint8_t DL_subband_cqi[2][13];
/// DL PMI Single Stream
uint16_t DL_pmi_single;
/// DL PMI Dual Stream
uint16_t DL_pmi_dual;
/// Current RI
uint8_t rank;
/// CRNTI of UE
uint16_t crnti; ///user id (rnti) of connected UEs
/// Initial timing offset estimate from PRACH for RAR
int32_t UE_timing_offset;
/// Timing advance estimate from PUSCH for MAC timing advance signalling
int32_t timing_advance_update;
/// Current mode of UE (NOT SYCHED, RAR, PUSCH)
UE_MODE_NB_IoT_t mode;
/// Current sector where UE is attached
uint8_t sector;
/// dlsch l2 errors
uint32_t dlsch_l2_errors[8];
/// dlsch trials per harq and round
uint32_t dlsch_trials[8][8];
/// dlsch ACK/NACK per hard_pid and round
uint32_t dlsch_ACK[8][8];
uint32_t dlsch_NAK[8][8];
/// ulsch l2 errors per harq_pid
uint32_t ulsch_errors[8];
/// ulsch l2 consecutive errors per harq_pid
uint32_t ulsch_consecutive_errors; //[8];
/// ulsch trials/errors/fer per harq and round
uint32_t nulsch_decoding_attempts[8][8];
uint32_t ulsch_round_errors[8][8];
uint32_t ulsch_decoding_attempts_last[8][8];
uint32_t ulsch_round_errors_last[8][8];
uint32_t ulsch_round_fer[8][8];
uint32_t sr_received;
uint32_t sr_total;
/// dlsch sliding count and total errors in round 0 are used to compute the dlsch_mcs_offset
uint32_t dlsch_sliding_cnt;
uint32_t dlsch_NAK_round0;
int8_t dlsch_mcs_offset;
/// Target mcs1 after rate-adaptation (used by MAC layer scheduler)
uint8_t dlsch_mcs1;
/// Target mcs2 after rate-adaptation (used by MAC layer scheduler)
uint8_t dlsch_mcs2;
/// Total bits received from MAC on PDSCH
int total_TBS_MAC;
/// Total bits acknowledged on PDSCH
int total_TBS;
/// Total bits acknowledged on PDSCH (last interval)
int total_TBS_last;
/// Bitrate on the PDSCH [bps]
unsigned int dlsch_bitrate;
// unsigned int total_transmitted_bits;
} NB_IoT_eNB_UE_stats;
typedef struct {
/// Indicator of first transmission
uint8_t first_tx;
/// Last Ndi received for this process on DCI (used for C-RNTI only)
uint8_t DCINdi;
/// DLSCH status flag indicating
//SCH_status_t status;
/// Transport block size
uint32_t TBS;
/// The payload + CRC size in bits
uint32_t B;
/// Pointer to the payload
uint8_t *b;
/// Pointers to transport block segments
uint8_t *c[MAX_NUM_DLSCH_SEGMENTS_NB_IoT];
/// RTC values for each segment (for definition see 36-212 V8.6 2009-03, p.15)
uint32_t RTC[MAX_NUM_DLSCH_SEGMENTS_NB_IoT];
/// Index of current HARQ round for this DLSCH
uint8_t round;
/// MCS format for this DLSCH
uint8_t mcs;
/// Qm (modulation order) for this DLSCH
uint8_t Qm;
/// Redundancy-version of the current sub-frame
uint8_t rvidx;
/// MIMO mode for this DLSCH
// MIMO_mode_t mimo_mode;
/// soft bits for each received segment ("w"-sequence)(for definition see 36-212 V8.6 2009-03, p.15)
int16_t w[MAX_NUM_DLSCH_SEGMENTS_NB_IoT][3*(6144+64)];
/// for abstraction soft bits for each received segment ("w"-sequence)(for definition see 36-212 V8.6 2009-03, p.15)
double w_abs[MAX_NUM_DLSCH_SEGMENTS_NB_IoT][3*(6144+64)];
/// soft bits for each received segment ("d"-sequence)(for definition see 36-212 V8.6 2009-03, p.15)
int16_t *d[MAX_NUM_DLSCH_SEGMENTS_NB_IoT];
/// Number of code segments (for definition see 36-212 V8.6 2009-03, p.9)
uint32_t C;
/// Number of "small" code segments (for definition see 36-212 V8.6 2009-03, p.10)
uint32_t Cminus;
/// Number of "large" code segments (for definition see 36-212 V8.6 2009-03, p.10)
uint32_t Cplus;
/// Number of bits in "small" code segments (<6144) (for definition see 36-212 V8.6 2009-03, p.10)
uint32_t Kminus;
/// Number of bits in "large" code segments (<6144) (for definition see 36-212 V8.6 2009-03, p.10)
uint32_t Kplus;
/// Number of "Filler" bits (for definition see 36-212 V8.6 2009-03, p.10)
uint32_t F;
/// Number of MIMO layers (streams) (for definition see 36-212 V8.6 2009-03, p.17)
uint8_t Nl;
/// current delta_pucch
int8_t delta_PUCCH;
/// Number of soft channel bits
uint32_t G;
/// Current Number of RBs
uint16_t nb_rb;
/// Current subband PMI allocation
uint16_t pmi_alloc;
/// Current RB allocation (even slots)
uint32_t rb_alloc_even[4];
/// Current RB allocation (odd slots)
uint32_t rb_alloc_odd[4];
/// distributed/localized flag
//vrb_t vrb_type;
/// downlink power offset field
uint8_t dl_power_off;
/// trials per round statistics
uint32_t trials[8];
/// error statistics per round
uint32_t errors[8];
/// codeword this transport block is mapped to
uint8_t codeword;
} NB_IoT_DL_UE_HARQ_t;
typedef struct {
/// RNTI
uint16_t rnti;
/// Active flag for DLSCH demodulation
uint8_t active;
/// Transmission mode
uint8_t mode1_flag;
/// amplitude of PDSCH (compared to RS) in symbols without pilots
int16_t sqrt_rho_a;
/// amplitude of PDSCH (compared to RS) in symbols containing pilots
int16_t sqrt_rho_b;
/// Current HARQ process id threadRx Odd and threadRx Even
uint8_t current_harq_pid;
/// Current subband antenna selection
uint32_t antenna_alloc;
/// Current subband RI allocation
uint32_t ri_alloc;
/// Current subband CQI1 allocation
uint32_t cqi_alloc1;
/// Current subband CQI2 allocation
uint32_t cqi_alloc2;
/// saved subband PMI allocation from last PUSCH/PUCCH report
uint16_t pmi_alloc;
/// HARQ-ACKs
harq_status_NB_IoT_t harq_ack;
/// Pointers to up to 8 HARQ processes
NB_IoT_DL_UE_HARQ_t *harq_process;
/// Maximum number of HARQ processes(for definition see 36-212 V8.6 2009-03, p.17
uint8_t Mdlharq;
/// MIMO transmission mode indicator for this sub-frame (for definition see 36-212 V8.6 2009-03, p.17)
uint8_t Kmimo;
/// Nsoft parameter related to UE Category
uint32_t Nsoft;
/// Maximum number of Turbo iterations
uint8_t max_turbo_iterations;
/// number of iterations used in last turbo decoding
uint8_t last_iteration_cnt;
/// accumulated tx power adjustment for PUCCH
int8_t g_pucch;
} NB_IoT_UE_DLSCH_t;
//----------------------------------------------------------------------------------------------------------
// NB-IoT
//----------------------------------------------------------------------------------------------------
//enum for distinguish the different type of ndlsch (may in the future will be not needed)
typedef enum
{
SIB1,
SI_Message,
RAR,
UE_Data
}ndlsch_flag_t;
typedef struct {
rnti_t rnti;
//array containing the pdus of DCI
uint8_t *a[2];
//Array containing encoded DCI data
uint8_t *e[2];
//UE specific parameters
uint16_t npdcch_NumRepetitions;
uint16_t repetition_number;
//indicate the corresponding subframe within the repetition (set to 0 when a new NPDCCH pdu is received)
uint16_t repetition_idx;
// uint16_t npdcch_Offset_USS;
// uint16_t npdcch_StartSF_USS;
}NB_IoT_eNB_NPDCCH_t;
typedef struct{
//Number of repetitions (R) for common search space (RAR and PAGING)
uint16_t number_repetition_RA;
uint16_t number_repetition_PAg;
//index of the current subframe among the repetition (set to 0 when we receive the new NPDCCH)
uint16_t repetition_idx_RA;
uint16_t repetition_idx_Pag;
}NB_IoT_eNB_COMMON_NPDCCH_t;
typedef struct {
/// Length of DCI in bits
uint8_t dci_length;
/// Aggregation level only 1,2 in NB-IoT
uint8_t L;
/// Position of first CCE of the dci
int firstCCE;
/// flag to indicate that this is a RA response
boolean_t ra_flag;
/// rnti
rnti_t rnti;
/// Format
DCI_format_NB_IoT_t format;
/// DCI pdu
uint8_t dci_pdu[8];
} DCI_ALLOC_NB_IoT_t;
typedef struct {
//delete the count for the DCI numbers,NUM_DCI_MAX should set to 2
uint32_t num_npdcch_symbols;
///indicates the starting OFDM symbol in the first slot of a subframe k for the NPDCCH transmission
/// see FAPI/NFAPI specs Table 4-45
uint8_t npdcch_start_symbol;
uint8_t Num_dci;
DCI_ALLOC_NB_IoT_t dci_alloc[2] ;
} DCI_PDU_NB_IoT;
typedef struct {
/// TX buffers for UE-spec transmission (antenna ports 5 or 7..14, prior to precoding)
int32_t *txdataF[8];
/// dl channel estimates (estimated from ul channel estimates)
int32_t **calib_dl_ch_estimates;
/// Allocated RNTI (0 means DLSCH_t is not currently used)
uint16_t rnti;
/// Active flag for baseband transmitter processing
uint8_t active;
/// Indicator of TX activation per subframe. Used during PUCCH detection for ACK/NAK.
uint8_t subframe_tx[10];
/// First CCE of last PDSCH scheduling per subframe. Again used during PUCCH detection for ACK/NAK.
uint8_t nCCE[10];
/*in NB-IoT there is only 1 HARQ process for each UE therefore no pid is required*/
/// The only HARQ process for the DLSCH
NB_IoT_DL_eNB_HARQ_t *harq_process;
/// Number of soft channel bits
uint32_t G;
/// Maximum number of HARQ rounds
uint8_t Mlimit;
/// Nsoft parameter related to UE Category
uint32_t Nsoft;
/// amplitude of PDSCH (compared to RS) in symbols without pilots
int16_t sqrt_rho_a;
/// amplitude of PDSCH (compared to RS) in symbols containing pilots
int16_t sqrt_rho_b;
///NB-IoT
/// may use in the npdsch_procedures
uint16_t scrambling_sequence_intialization;
/// number of cell specific TX antenna ports assumed by the UE
uint8_t nrs_antenna_ports;
//This indicate the current subframe within the subframe interval between the NPDSCH transmission (Nsf*Nrep)
uint16_t sf_index;
///indicates the starting OFDM symbol in the first slot of a subframe k for the NPDSCH transmission
/// see FAPI/NFAPI specs Table 4-47
uint8_t npdsch_start_symbol;
/*SIB1-NB related parameters*/
///flag for indicate if the current frame is the start of a new SIB1-NB repetition within the SIB1-NB period (0 = FALSE, 1 = TRUE)
uint8_t sib1_rep_start;
///the number of the frame within the 16 continuous frame in which sib1-NB is transmitted (1-8 = 1st, 2nd ecc..) (0 = not foresees a transmission)
uint8_t relative_sib1_frame;
//Flag used to discern among different NDLSCH structures (SIB1,SI,RA,UE-spec)
//(used inside the ndlsch procedure for distinguish the different type of data to manage also in term of repetitions and transmission over more subframes
ndlsch_flag_t ndlsch_type;
} NB_IoT_eNB_NDLSCH_t;
typedef struct {
/// Length of CQI data under RI=1 assumption(bits)
uint8_t Or1;
/// Rank information
uint8_t o_RI[2];
/// Format of CQI data
UCI_format_NB_IoT_t uci_format;
/// The value of DAI in DCI format 0
uint8_t V_UL_DAI;
/// Pointer to CQI data
uint8_t o[MAX_CQI_BYTES_NB_IoT];
/// CQI CRC status
uint8_t cqi_crc_status;
/// PHICH active flag
uint8_t phich_active;
/// PHICH ACK
uint8_t phich_ACK;
/// Length of rank information (bits)
uint8_t O_RI;
/// First Allocated RB
uint16_t first_rb;
/// Current Number of RBs
uint16_t nb_rb;
/// Determined the subcarrier allocation for the NPUSCH.(15, 3.75 KHz)
uint8_t subcarrier_indication;
/// Determined the number of resource unit for the NPUSCH
uint8_t resource_assignment;
/// Determined the scheduling delay for NPUSCH
uint8_t scheduling_delay;
/// The number of the repetition number for NPUSCH Transport block
uint8_t repetition_number;
/// Determined the repetition number value 0-3
uint8_t dci_subframe_repetitions;
/// Flag indicating that this ULSCH has been allocated by a DCI (otherwise it is a retransmission based on PHICH NAK)
uint8_t dci_alloc;
/// Flag indicating that this ULSCH has been allocated by a RAR (otherwise it is a retransmission based on PHICH NAK or DCI)
uint8_t rar_alloc;
/// Status Flag indicating for this ULSCH (idle,active,disabled)
SCH_status_NB_IoT_t status;
/// Subframe scheduling indicator (i.e. Transmission opportunity indicator)
uint8_t subframe_scheduling_flag;
/// Transport block size
uint32_t TBS;
/// The payload + CRC size in bits
uint32_t B;
/// Number of soft channel bits
uint32_t G;
/// Pointer to ACK
uint8_t o_ACK[4];
/// Length of ACK information (bits)
uint8_t O_ACK;
/// coded ACK bits
int16_t q_ACK[MAX_ACK_PAYLOAD_NB_IoT];
/// Number of code segments (for definition see 36-212 V8.6 2009-03, p.9)
/// Concatenated "e"-sequences (for definition see 36-212 V8.6 2009-03, p.17-18)
int16_t e[MAX_NUM_CHANNEL_BITS_NB_IoT] __attribute__((aligned(32)));
/// coded RI bits
int16_t q_RI[MAX_RI_PAYLOAD_NB_IoT];
/// "q" sequences for CQI/PMI (for definition see 36-212 V8.6 2009-03, p.27)
int8_t q[MAX_CQI_PAYLOAD_NB_IoT];
/// number of coded CQI bits after interleaving
uint8_t o_RCC;
/// coded and interleaved CQI bits
int8_t o_w[(MAX_CQI_BITS_NB_IoT+8)*3];
/// coded CQI bits
int8_t o_d[96+((MAX_CQI_BITS_NB_IoT+8)*3)];
///
uint32_t C;
/// Number of "small" code segments (for definition see 36-212 V8.6 2009-03, p.10)
uint32_t Cminus;
/// Number of "large" code segments (for definition see 36-212 V8.6 2009-03, p.10)
uint32_t Cplus;
/// Number of bits in "small" code segments (<6144) (for definition see 36-212 V8.6 2009-03, p.10)
uint32_t Kminus;
/// Number of bits in "large" code segments (<6144) (for definition see 36-212 V8.6 2009-03, p.10)
uint32_t Kplus;
/// Number of "Filler" bits (for definition see 36-212 V8.6 2009-03, p.10)
uint32_t F;
/// Temporary h sequence to flag PUSCH_x/PUSCH_y symbols which are not scrambled
//uint8_t h[MAX_NUM_CHANNEL_BITS];
/// SRS active flag
uint8_t srs_active;
/// Pointer to the payload
uint8_t *b;
/// Current Number of Symbols
uint8_t Nsymb_pusch;
/// Index of current HARQ round for this ULSCH
uint8_t round;
/// MCS format for this ULSCH
uint8_t mcs;
/// Redundancy-version of the current sub-frame (value 0->RV0,value 1 ->RV2)
uint8_t rvidx;
/// Msc_initial, Initial number of subcarriers for ULSCH (36-212, v8.6 2009-03, p.26-27)
uint16_t Msc_initial;
/// Nsymb_initial, Initial number of symbols for ULSCH (36-212, v8.6 2009-03, p.26-27)
uint8_t Nsymb_initial;
/// n_DMRS for cyclic shift of DMRS (36.213 Table 9.1.2-2)
uint8_t n_DMRS;
/// n_DMRS for cyclic shift of DMRS (36.213 Table 9.1.2-2) - previous scheduling
/// This is needed for PHICH generation which
/// is done after a new scheduling
uint8_t previous_n_DMRS;
/// n_DMRS 2 for cyclic shift of DMRS (36.211 Table 5.5.1.1.-1)
uint8_t n_DMRS2;
/// Flag to indicate that this ULSCH is for calibration information sent from UE (i.e. no MAC SDU to pass up)
// int calibration_flag;
/// delta_TF for power control
int32_t delta_TF;
} NB_IoT_UL_eNB_HARQ_t;
typedef struct {
/// Pointers to 8 HARQ processes for the ULSCH
NB_IoT_UL_eNB_HARQ_t *harq_process;
/// Maximum number of HARQ rounds
uint8_t Mlimit;
/// Value 0 = npush format 1 (data) value 1 = npusch format 2 (ACK/NAK)
uint8_t npusch_format;
/// Flag to indicate that eNB awaits UE Msg3
uint8_t Msg3_active;
/// Flag to indicate that eNB should decode UE Msg3
uint8_t Msg3_flag;
/// Subframe for Msg3
uint8_t Msg3_subframe;
/// Frame for Msg3
uint32_t Msg3_frame;
/// RNTI attributed to this ULSCH
uint16_t rnti;
/// cyclic shift for DM RS
uint8_t cyclicShift;
/// cooperation flag
uint8_t cooperation_flag;
/// (only in-band mode), indicate the resource block overlap the SRS configuration of LTE
uint8_t N_srs;
///
uint8_t scrambling_re_intialization_batch_index;
/// number of cell specific TX antenna ports assumed by the UE
uint8_t nrs_antenna_ports;
///
uint16_t scrambling_sequence_intialization;
///
uint16_t sf_index;
/// Determined the ACK/NACK delay and the subcarrier allocation TS 36.213 Table 16.4.2
uint8_t HARQ_ACK_resource;
} NB_IoT_eNB_NULSCH_t;
typedef struct {
/// Pointers to 8 HARQ processes for the ULSCH
NB_IoT_UL_eNB_HARQ_t *harq_process;
/// Maximum number of HARQ rounds
uint8_t Mlimit;
/// Maximum number of iterations used in eNB turbo decoder
uint8_t max_turbo_iterations;
/// ACK/NAK Bundling flag
uint8_t bundling;
/// beta_offset_cqi times 8
uint16_t beta_offset_cqi_times8;
/// beta_offset_ri times 8
uint16_t beta_offset_ri_times8;
/// beta_offset_harqack times 8
uint16_t beta_offset_harqack_times8;
/// Flag to indicate that eNB awaits UE Msg3
uint8_t Msg3_active;
/// Flag to indicate that eNB should decode UE Msg3
uint8_t Msg3_flag;
/// Subframe for Msg3
uint8_t Msg3_subframe;
/// Frame for Msg3
uint32_t Msg3_frame;
/// RNTI attributed to this ULSCH
uint16_t rnti;
/// cyclic shift for DM RS
uint8_t cyclicShift;
/// cooperation flag
uint8_t cooperation_flag;
/// num active cba group
uint8_t num_active_cba_groups;
/// allocated CBA RNTI for this ulsch
uint16_t cba_rnti[4];//NUM_MAX_CBA_GROUP];
#ifdef LOCALIZATION
/// epoch timestamp in millisecond
int32_t reference_timestamp_ms;
/// aggregate physical states every n millisecond
int32_t aggregation_period_ms;
/// a set of lists used for localization
struct list loc_rss_list[10], loc_rssi_list[10], loc_subcarrier_rss_list[10], loc_timing_advance_list[10], loc_timing_update_list[10];
struct list tot_loc_rss_list, tot_loc_rssi_list, tot_loc_subcarrier_rss_list, tot_loc_timing_advance_list, tot_loc_timing_update_list;
#endif
} NB_IoT_eNB_ULSCH_t;
#define NPBCH_A 34
typedef struct {
//the 2 LSB of the hsfn (the MSB are indicated by the SIB1-NB)
uint16_t h_sfn_lsb;
uint8_t npbch_d[96+(3*(16+NPBCH_A))];
uint8_t npbch_w[3*3*(16+NPBCH_A)];
uint8_t npbch_e[1600];
///pdu of the npbch message
uint8_t *pdu;
} NB_IoT_eNB_NPBCH_t;
#endif