Files
openairinterface5g/openair1/PHY/defs_eNB.h
T
2018-09-13 12:52:44 +02:00

1128 lines
40 KiB
C

/*
* 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_eNB.h
\brief Top-level defines and structure definitions for eNB
\author R. Knopp, F. Kaltenberger
\date 2011
\version 0.1
\company Eurecom
\email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr
\note
\warning
*/
#ifndef __PHY_DEFS_ENB__H__
#define __PHY_DEFS_ENB__H__
#define _GNU_SOURCE
#include <sched.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <linux/sched.h>
#include <signal.h>
#include <execinfo.h>
#include <getopt.h>
#include <sys/sysinfo.h>
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <string.h>
#include <math.h>
#include "common_lib.h"
#include "msc.h"
#include "defs_common.h"
#include "impl_defs_top.h"
#include "PHY/TOOLS/time_meas.h"
//#include "PHY/CODING/coding_defs.h"
#include "PHY/TOOLS/tools_defs.h"
#include "platform_types.h"
#include "PHY/LTE_TRANSPORT/transport_common.h"
#include "PHY/LTE_TRANSPORT/transport_eNB.h"
#include <pthread.h>
#include "openair2/PHY_INTERFACE/IF_Module.h"
typedef struct RU_proc_t_s {
/// Pointer to associated RU descriptor
struct RU_t_s *ru;
/// timestamp received from HW
openair0_timestamp timestamp_rx;
/// timestamp to send to "slave rru"
openair0_timestamp timestamp_tx;
/// subframe to act upon for reception
int subframe_rx;
/// subframe to act upon for transmission
int subframe_tx;
/// subframe to act upon for reception of prach
int subframe_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// subframe to act upon for reception of prach BL/CE UEs
int subframe_prach_br;
#endif
/// frame to act upon for reception
int frame_rx;
/// frame to act upon for transmission
int frame_tx;
/// unwrapped frame count
int frame_tx_unwrap;
/// frame to act upon for reception of prach
int frame_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// frame to act upon for reception of prach
int frame_prach_br;
#endif
/// frame offset for slave RUs (to correct for frame asynchronism at startup)
int frame_offset;
/// \brief Instance count for FH processing thread.
/// \internal This variable is protected by \ref mutex_FH.
int instance_cnt_FH;
int instance_cnt_FH1;
/// \internal This variable is protected by \ref mutex_prach.
int instance_cnt_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// \internal This variable is protected by \ref mutex_prach.
int instance_cnt_prach_br;
#endif
/// \internal This variable is protected by \ref mutex_synch.
int instance_cnt_synch;
/// \internal This variable is protected by \ref mutex_eNBs.
int instance_cnt_eNBs;
/// \brief Instance count for rx processing thread.
/// \internal This variable is protected by \ref mutex_asynch_rxtx.
int instance_cnt_asynch_rxtx;
/// \internal This variable is protected by \ref mutex_fep
int instance_cnt_fep;
/// \internal This variable is protected by \ref mutex_feptx
int instance_cnt_feptx;
/// This varible is protected by \ref mutex_emulatedRF
int instance_cnt_emulateRF;
/// pthread structure for RU FH processing thread
pthread_t pthread_FH;
pthread_t pthread_FH1;
/// pthread structure for RU prach processing thread
pthread_t pthread_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// pthread structure for RU prach processing thread BL/CE UEs
pthread_t pthread_prach_br;
#endif
/// pthread struct for RU synch thread
pthread_t pthread_synch;
/// pthread struct for RU RX FEP worker thread
pthread_t pthread_fep;
/// pthread struct for RU TX FEP worker thread
pthread_t pthread_feptx;
/// pthread struct for emulated RF
pthread_t pthread_emulateRF;
/// pthread structure for asychronous RX/TX processing thread
pthread_t pthread_asynch_rxtx;
/// flag to indicate first RX acquisition
int first_rx;
/// flag to indicate first TX transmission
int first_tx;
/// pthread attributes for RU FH processing thread
pthread_attr_t attr_FH;
pthread_attr_t attr_FH1;
/// pthread attributes for RU prach
pthread_attr_t attr_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// pthread attributes for RU prach BL/CE UEs
pthread_attr_t attr_prach_br;
#endif
/// pthread attributes for RU synch thread
pthread_attr_t attr_synch;
/// pthread attributes for asynchronous RX thread
pthread_attr_t attr_asynch_rxtx;
/// pthread attributes for worker fep thread
pthread_attr_t attr_fep;
/// pthread attributes for worker feptx thread
pthread_attr_t attr_feptx;
/// pthread attributes for emulated RF
pthread_attr_t attr_emulateRF;
/// scheduling parameters for RU FH thread
struct sched_param sched_param_FH;
struct sched_param sched_param_FH1;
/// scheduling parameters for RU prach thread
struct sched_param sched_param_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// scheduling parameters for RU prach thread BL/CE UEs
struct sched_param sched_param_prach_br;
#endif
/// scheduling parameters for RU synch thread
struct sched_param sched_param_synch;
/// scheduling parameters for asynch_rxtx thread
struct sched_param sched_param_asynch_rxtx;
/// condition variable for RU FH thread
pthread_cond_t cond_FH;
pthread_cond_t cond_FH1;
/// condition variable for RU prach thread
pthread_cond_t cond_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// condition variable for RU prach thread BL/CE UEs
pthread_cond_t cond_prach_br;
#endif
/// condition variable for RU synch thread
pthread_cond_t cond_synch;
/// condition variable for asynch RX/TX thread
pthread_cond_t cond_asynch_rxtx;
/// condition variable for RU RX FEP thread
pthread_cond_t cond_fep;
/// condition variable for RU TX FEP thread
pthread_cond_t cond_feptx;
/// condition variable for emulated RF
pthread_cond_t cond_emulateRF;
/// condition variable for eNB signal
pthread_cond_t cond_eNBs;
/// mutex for RU FH
pthread_mutex_t mutex_FH;
pthread_mutex_t mutex_FH1;
/// mutex for RU prach
pthread_mutex_t mutex_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// mutex for RU prach BL/CE UEs
pthread_mutex_t mutex_prach_br;
#endif
/// mutex for RU synch
pthread_mutex_t mutex_synch;
/// mutex for eNB signal
pthread_mutex_t mutex_eNBs;
/// mutex for asynch RX/TX thread
pthread_mutex_t mutex_asynch_rxtx;
/// mutex for fep RX worker thread
pthread_mutex_t mutex_fep;
/// mutex for fep TX worker thread
pthread_mutex_t mutex_feptx;
/// mutex for emulated RF thread
pthread_mutex_t mutex_emulateRF;
/// symbol mask for IF4p5 reception per subframe
uint32_t symbol_mask[10];
/// number of slave threads
int num_slaves;
/// array of pointers to slaves
struct RU_proc_t_s **slave_proc;
#ifdef PHY_TX_THREAD
/// pthread structure for PRACH thread
pthread_t pthread_phy_tx;
pthread_mutex_t mutex_phy_tx;
pthread_cond_t cond_phy_tx;
/// \internal This variable is protected by \ref mutex_phy_tx.
int instance_cnt_phy_tx;
/// frame to act upon for transmission
int frame_phy_tx;
/// subframe to act upon for transmission
int subframe_phy_tx;
/// timestamp to send to "slave rru"
openair0_timestamp timestamp_phy_tx;
/// pthread structure for RF TX thread
pthread_t pthread_rf_tx;
pthread_mutex_t mutex_rf_tx;
pthread_cond_t cond_rf_tx;
/// \internal This variable is protected by \ref mutex_rf_tx.
int instance_cnt_rf_tx;
#endif
#if defined(PRE_SCD_THREAD)
pthread_t pthread_pre_scd;
/// condition variable for time processing thread
pthread_cond_t cond_pre_scd;
/// mutex for time thread
pthread_mutex_t mutex_pre_scd;
int instance_pre_scd;
#endif
/// pipeline ready state
int ru_rx_ready;
int ru_tx_ready;
int emulate_rf_busy;
} RU_proc_t;
typedef enum {
LOCAL_RF =0,
REMOTE_IF5 =1,
REMOTE_MBP_IF5 =2,
REMOTE_IF4p5 =3,
REMOTE_IF1pp =4,
MAX_RU_IF_TYPES =5
} RU_if_south_t;
typedef struct RU_t_s{
/// index of this ru
uint32_t idx;
/// Pointer to configuration file
char *rf_config_file;
/// southbound interface
RU_if_south_t if_south;
/// timing
node_timing_t if_timing;
/// function
node_function_t function;
/// Ethernet parameters for fronthaul interface
eth_params_t eth_params;
/// flag to indicate the RU is in synch with a master reference
int in_synch;
/// timing offset
int rx_offset;
/// flag to indicate the RU is a slave to another source
int is_slave;
/// Total gain of receive chain
uint32_t rx_total_gain_dB;
/// number of bands that this device can support
int num_bands;
/// band list
int band[MAX_BANDS_PER_RRU];
/// number of RX paths on device
int nb_rx;
/// number of TX paths on device
int nb_tx;
/// maximum PDSCH RS EPRE
int max_pdschReferenceSignalPower;
/// maximum RX gain
int max_rxgain;
/// Attenuation of RX paths on device
int att_rx;
/// Attenuation of TX paths on device
int att_tx;
/// flag to indicate precoding operation in RU
int do_precoding;
/// Frame parameters
LTE_DL_FRAME_PARMS frame_parms;
///timing offset used in TDD
int N_TA_offset;
/// RF device descriptor
openair0_device rfdevice;
/// HW configuration
openair0_config_t openair0_cfg;
/// Number of eNBs using this RU
int num_eNB;
/// list of eNBs using this RU
struct PHY_VARS_eNB_s *eNB_list[NUMBER_OF_eNB_MAX];
/// Mapping of antenna ports to RF chain index
openair0_rf_map rf_map;
/// IF device descriptor
openair0_device ifdevice;
/// Pointer for ifdevice buffer struct
if_buffer_t ifbuffer;
/// if prach processing is to be performed in RU
int do_prach;
/// function pointer to synchronous RX fronthaul function (RRU,3GPP_eNB)
void (*fh_south_in)(struct RU_t_s *ru,int *frame, int *subframe);
/// function pointer to synchronous TX fronthaul function
void (*fh_south_out)(struct RU_t_s *ru);
/// function pointer to synchronous RX fronthaul function (RRU)
void (*fh_north_in)(struct RU_t_s *ru,int *frame, int *subframe);
/// function pointer to synchronous RX fronthaul function (RRU)
void (*fh_north_out)(struct RU_t_s *ru);
/// function pointer to asynchronous fronthaul interface
void (*fh_north_asynch_in)(struct RU_t_s *ru,int *frame, int *subframe);
/// function pointer to asynchronous fronthaul interface
void (*fh_south_asynch_in)(struct RU_t_s *ru,int *frame, int *subframe);
/// function pointer to initialization function for radio interface
int (*start_rf)(struct RU_t_s *ru);
/// function pointer to release function for radio interface
int (*stop_rf)(struct RU_t_s *ru);
/// function pointer to initialization function for radio interface
int (*start_if)(struct RU_t_s *ru,struct PHY_VARS_eNB_s *eNB);
/// function pointer to RX front-end processing routine (DFTs/prefix removal or NULL)
void (*feprx)(struct RU_t_s *ru);
/// function pointer to TX front-end processing routine (IDFTs and prefix removal or NULL)
void (*feptx_ofdm)(struct RU_t_s *ru);
/// function pointer to TX front-end processing routine (PRECODING)
void (*feptx_prec)(struct RU_t_s *ru);
/// function pointer to wakeup routine in lte-enb.
int (*wakeup_rxtx)(struct PHY_VARS_eNB_s *eNB, struct RU_t_s *ru);
/// function pointer to wakeup routine in lte-enb.
void (*wakeup_prach_eNB)(struct PHY_VARS_eNB_s *eNB,struct RU_t_s *ru,int frame,int subframe);
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// function pointer to wakeup routine in lte-enb.
void (*wakeup_prach_eNB_br)(struct PHY_VARS_eNB_s *eNB,struct RU_t_s *ru,int frame,int subframe);
#endif
/// function pointer to eNB entry routine
void (*eNB_top)(struct PHY_VARS_eNB_s *eNB, int frame_rx, int subframe_rx, char *string, struct RU_t_s *ru);
/// Timing statistics
time_stats_t ofdm_demod_stats;
/// Timing statistics (TX)
time_stats_t ofdm_mod_stats;
/// Timing wait statistics
time_stats_t ofdm_demod_wait_stats;
/// Timing wakeup statistics
time_stats_t ofdm_demod_wakeup_stats;
/// Timing wait statistics (TX)
time_stats_t ofdm_mod_wait_stats;
/// Timing wakeup statistics (TX)
time_stats_t ofdm_mod_wakeup_stats;
/// Timing statistics (RX Fronthaul + Compression)
time_stats_t rx_fhaul;
/// Timing statistics (TX Fronthaul + Compression)
time_stats_t tx_fhaul;
/// Timong statistics (Compression)
time_stats_t compression;
/// Timing statistics (Fronthaul transport)
time_stats_t transport;
/// RX and TX buffers for precoder output
RU_COMMON common;
/// beamforming weight vectors per eNB
int32_t **beam_weights[NUMBER_OF_eNB_MAX+1][15];
/// received frequency-domain signal for PRACH (IF4p5 RRU)
int16_t **prach_rxsigF;
/// received frequency-domain signal for PRACH BR (IF4p5 RRU)
int16_t **prach_rxsigF_br[4];
/// sequence number for IF5
uint8_t seqno;
/// initial timestamp used as an offset make first real timestamp 0
openair0_timestamp ts_offset;
/// process scheduling variables
RU_proc_t proc;
/// stats thread pthread descriptor
pthread_t ru_stats_thread;
} RU_t;
#define MAX_RRU_CONFIG_SIZE 1024
typedef enum {
RAU_tick=0,
RRU_capabilities=1,
RRU_config=2,
RRU_MSG_max_num=3
} rru_config_msg_type_t;
typedef struct RRU_CONFIG_msg_s {
rru_config_msg_type_t type;
ssize_t len;
uint8_t msg[MAX_RRU_CONFIG_SIZE];
} RRU_CONFIG_msg_t;
typedef enum {
OAI_IF5_only =0,
OAI_IF4p5_only =1,
OAI_IF5_and_IF4p5 =2,
MBP_IF5 =3,
MAX_FH_FMTs =4
} FH_fmt_options_t;
#define MAX_BANDS_PER_RRU 4
typedef struct RRU_capabilities_s {
/// Fronthaul format
FH_fmt_options_t FH_fmt;
/// number of EUTRA bands (<=4) supported by RRU
uint8_t num_bands;
/// EUTRA band list supported by RRU
uint8_t band_list[MAX_BANDS_PER_RRU];
/// Number of concurrent bands (component carriers)
uint8_t num_concurrent_bands;
/// Maximum TX EPRE of each band
int8_t max_pdschReferenceSignalPower[MAX_BANDS_PER_RRU];
/// Maximum RX gain of each band
uint8_t max_rxgain[MAX_BANDS_PER_RRU];
/// Number of RX ports of each band
uint8_t nb_rx[MAX_BANDS_PER_RRU];
/// Number of TX ports of each band
uint8_t nb_tx[MAX_BANDS_PER_RRU];
/// max DL bandwidth (1,6,15,25,50,75,100)
uint8_t N_RB_DL[MAX_BANDS_PER_RRU];
/// max UL bandwidth (1,6,15,25,50,75,100)
uint8_t N_RB_UL[MAX_BANDS_PER_RRU];
} RRU_capabilities_t;
typedef struct RRU_config_s {
/// Fronthaul format
RU_if_south_t FH_fmt;
/// number of EUTRA bands (<=4) configured in RRU
uint8_t num_bands;
/// EUTRA band list configured in RRU
uint8_t band_list[MAX_BANDS_PER_RRU];
/// TDD configuration (0-6)
uint8_t tdd_config[MAX_BANDS_PER_RRU];
/// TDD special subframe configuration (0-10)
uint8_t tdd_config_S[MAX_BANDS_PER_RRU];
/// TX frequency
uint32_t tx_freq[MAX_BANDS_PER_RRU];
/// RX frequency
uint32_t rx_freq[MAX_BANDS_PER_RRU];
/// TX attenation w.r.t. max
uint8_t att_tx[MAX_BANDS_PER_RRU];
/// RX attenuation w.r.t. max
uint8_t att_rx[MAX_BANDS_PER_RRU];
/// DL bandwidth
uint8_t N_RB_DL[MAX_BANDS_PER_RRU];
/// UL bandwidth
uint8_t N_RB_UL[MAX_BANDS_PER_RRU];
/// 3/4 sampling rate
uint8_t threequarter_fs[MAX_BANDS_PER_RRU];
/// prach_FreqOffset for IF4p5
int prach_FreqOffset[MAX_BANDS_PER_RRU];
/// prach_ConfigIndex for IF4p5
int prach_ConfigIndex[MAX_BANDS_PER_RRU];
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
int emtc_prach_CElevel_enable[MAX_BANDS_PER_RRU][4];
/// emtc_prach_FreqOffset for IF4p5 per CE Level
int emtc_prach_FreqOffset[MAX_BANDS_PER_RRU][4];
/// emtc_prach_ConfigIndex for IF4p5 per CE Level
int emtc_prach_ConfigIndex[MAX_BANDS_PER_RRU][4];
#endif
} RRU_config_t;
typedef struct {
/// \brief Pointers (dynamic) to the received data in the time domain.
/// - first index: rx antenna [0..nb_antennas_rx[
/// - second index: ? [0..2*ofdm_symbol_size*frame_parms->symbols_per_tti[
int32_t **rxdata;
/// \brief Pointers (dynamic) to the received data in the frequency domain.
/// - first index: rx antenna [0..nb_antennas_rx[
/// - second index: ? [0..2*ofdm_symbol_size*frame_parms->symbols_per_tti[
int32_t **rxdataF;
/// \brief holds the transmit data in the frequency domain.
/// For IFFT_FPGA this points to the same memory as PHY_vars->rx_vars[a].RX_DMA_BUFFER. //?
/// - first index: eNB id [0..2] (hard coded)
/// - second index: tx antenna [0..14[ where 14 is the total supported antenna ports.
/// - third index: sample [0..]
int32_t **txdataF;
} LTE_eNB_COMMON;
typedef struct {
uint8_t num_dci;
uint8_t num_pdcch_symbols;
DCI_ALLOC_t dci_alloc[32];
} LTE_eNB_PDCCH;
typedef struct {
uint8_t hi;
uint8_t first_rb;
uint8_t n_DMRS;
} phich_config_t;
typedef struct {
uint8_t num_hi;
phich_config_t config[32];
} LTE_eNB_PHICH;
typedef struct {
uint8_t num_dci;
eDCI_ALLOC_t edci_alloc[32];
} LTE_eNB_EPDCCH;
typedef struct {
/// number of active MPDCCH allocations
uint8_t num_dci;
/// MPDCCH DCI allocations from MAC
mDCI_ALLOC_t mdci_alloc[32];
// MAX SIZE of an EPDCCH set is 16EREGs * 9REs/EREG * 8 PRB pairs = 2304 bits
uint8_t e[2304];
} LTE_eNB_MPDCCH;
typedef struct {
/// \brief Hold the channel estimates in frequency domain based on SRS.
/// - first index: rx antenna id [0..nb_antennas_rx[
/// - second index: ? [0..ofdm_symbol_size[
int32_t **srs_ch_estimates;
/// \brief Hold the channel estimates in time domain based on SRS.
/// - first index: rx antenna id [0..nb_antennas_rx[
/// - second index: ? [0..2*ofdm_symbol_size[
int32_t **srs_ch_estimates_time;
/// \brief Holds the SRS for channel estimation at the RX.
/// - first index: rx antenna id [0..nb_antennas_rx[
/// - second index: ? [0..ofdm_symbol_size[
int32_t *srs;
} LTE_eNB_SRS;
typedef struct {
/// \brief Holds the received data in the frequency domain for the allocated RBs in repeated format.
/// - first index: rx antenna id [0..nb_antennas_rx[
/// - second index: ? [0..2*ofdm_symbol_size[
int32_t **rxdataF_ext;
/// \brief Holds the received data in the frequency domain for the allocated RBs in normal format.
/// - first index: rx antenna id [0..nb_antennas_rx[
/// - second index (definition from phy_init_lte_eNB()): ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **rxdataF_ext2;
/// \brief Hold the channel estimates in time domain based on DRS.
/// - first index: rx antenna id [0..nb_antennas_rx[
/// - second index: ? [0..4*ofdm_symbol_size[
int32_t **drs_ch_estimates_time;
/// \brief Hold the channel estimates in frequency domain based on DRS.
/// - first index: rx antenna id [0..nb_antennas_rx[
/// - second index: ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **drs_ch_estimates;
/// \brief Holds the compensated signal.
/// - first index: rx antenna id [0..nb_antennas_rx[
/// - second index: ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **rxdataF_comp;
/// \brief Magnitude of the UL channel estimates. Used for 2nd-bit level thresholds in LLR computation
/// - first index: rx antenna id [0..nb_antennas_rx[
/// - second index: ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **ul_ch_mag;
/// \brief Magnitude of the UL channel estimates scaled for 3rd bit level thresholds in LLR computation
/// - first index: rx antenna id [0..nb_antennas_rx[
/// - second index: ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **ul_ch_magb;
/// measured RX power based on DRS
int ulsch_power[2];
/// \brief llr values.
/// - first index: ? [0..1179743] (hard coded)
int16_t *llr;
} LTE_eNB_PUSCH;
#define PBCH_A 24
typedef struct {
uint8_t pbch_d[96+(3*(16+PBCH_A))];
uint8_t pbch_w[3*3*(16+PBCH_A)];
uint8_t pbch_e[1920];
} LTE_eNB_PBCH;
#define MAX_NUM_RX_PRACH_PREAMBLES 4
typedef struct {
/// \brief ?.
/// first index: ? [0..1023] (hard coded)
int16_t *prachF;
/// \brief ?.
/// first index: ce_level [0..3]
/// second index: rx antenna [0..63] (hard coded) \note Hard coded array size indexed by \c nb_antennas_rx.
/// third index: frequency-domain sample [0..ofdm_symbol_size*12[
int16_t **rxsigF[4];
/// \brief local buffer to compute prach_ifft (necessary in case of multiple CCs)
/// first index: ce_level [0..3] (hard coded) \note Hard coded array size indexed by \c nb_antennas_rx.
/// second index: ? [0..63] (hard coded)
/// third index: ? [0..63] (hard coded)
int32_t **prach_ifft[4];
/// repetition number
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// indicator of first frame in a group of PRACH repetitions
int first_frame[4];
/// current repetition for each CE level
int repetition_number[4];
#endif
} LTE_eNB_PRACH;
#include "PHY/TOOLS/time_meas.h"
#include "PHY/CODING/coding_defs.h"
#include "PHY/TOOLS/tools_defs.h"
#include "PHY/LTE_TRANSPORT/transport_eNB.h"
/// Context data structure for RX/TX portion of subframe processing
typedef struct {
/// Component Carrier index
uint8_t CC_id;
/// timestamp transmitted to HW
openair0_timestamp timestamp_tx;
/// subframe to act upon for transmission
int subframe_tx;
/// subframe to act upon for reception
int subframe_rx;
/// frame to act upon for transmission
int frame_tx;
/// frame to act upon for reception
int frame_rx;
/// \brief Instance count for RXn-TXnp4 processing thread.
/// \internal This variable is protected by \ref mutex_rxtx.
int instance_cnt_rxtx;
/// pthread structure for RXn-TXnp4 processing thread
pthread_t pthread_rxtx;
/// pthread attributes for RXn-TXnp4 processing thread
pthread_attr_t attr_rxtx;
/// condition variable for tx processing thread
pthread_cond_t cond_rxtx;
/// mutex for RXn-TXnp4 processing thread
pthread_mutex_t mutex_rxtx;
/// scheduling parameters for RXn-TXnp4 thread
struct sched_param sched_param_rxtx;
/// pipeline ready state
int pipe_ready;
} eNB_rxtx_proc_t;
typedef struct {
struct PHY_VARS_eNB_s *eNB;
int UE_id;
int harq_pid;
int llr8_flag;
int ret;
} td_params;
typedef struct {
struct PHY_VARS_eNB_s *eNB;
LTE_eNB_DLSCH_t *dlsch;
int G;
int harq_pid;
int total_worker;
int current_worker;
/// \internal This variable is protected by \ref mutex_te.
int instance_cnt_te;
/// pthread attributes for parallel turbo-encoder thread
pthread_attr_t attr_te;
/// scheduling parameters for parallel turbo-encoder thread
struct sched_param sched_param_te;
/// pthread structure for parallel turbo-encoder thread
pthread_t pthread_te;
/// condition variable for parallel turbo-encoder thread
pthread_cond_t cond_te;
/// mutex for parallel turbo-encoder thread
pthread_mutex_t mutex_te;
} te_params;
/// Context data structure for eNB subframe processing
typedef struct eNB_proc_t_s {
/// Component Carrier index
uint8_t CC_id;
/// thread index
int thread_index;
/// timestamp received from HW
openair0_timestamp timestamp_rx;
/// timestamp to send to "slave rru"
openair0_timestamp timestamp_tx;
/// subframe to act upon for reception
int subframe_rx;
/// subframe to act upon for PRACH
int subframe_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// subframe to act upon for reception of prach BL/CE UEs
int subframe_prach_br;
#endif
/// frame to act upon for reception
int frame_rx;
/// frame to act upon for transmission
int frame_tx;
/// frame to act upon for PRACH
int frame_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// frame to act upon for PRACH BL/CE UEs
int frame_prach_br;
#endif
/// \internal This variable is protected by \ref mutex_td.
int instance_cnt_td;
/// \internal This variable is protected by \ref mutex_te.
int instance_cnt_te;
/// \internal This variable is protected by \ref mutex_prach.
int instance_cnt_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// \internal This variable is protected by \ref mutex_prach for BL/CE UEs.
int instance_cnt_prach_br;
#endif
// instance count for over-the-air eNB synchronization
int instance_cnt_synch;
/// \internal This variable is protected by \ref mutex_asynch_rxtx.
int instance_cnt_asynch_rxtx;
/// pthread structure for asychronous RX/TX processing thread
pthread_t pthread_asynch_rxtx;
/// flag to indicate first RX acquisition
int first_rx;
/// flag to indicate first TX transmission
int first_tx;
/// pthread attributes for parallel turbo-decoder thread
pthread_attr_t attr_td;
/// pthread attributes for parallel turbo-encoder thread
pthread_attr_t attr_te;
/// pthread attributes for single eNB processing thread
pthread_attr_t attr_single;
/// pthread attributes for prach processing thread
pthread_attr_t attr_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// pthread attributes for prach processing thread BL/CE UEs
pthread_attr_t attr_prach_br;
#endif
/// pthread attributes for asynchronous RX thread
pthread_attr_t attr_asynch_rxtx;
/// scheduling parameters for parallel turbo-decoder thread
struct sched_param sched_param_td;
/// scheduling parameters for parallel turbo-encoder thread
struct sched_param sched_param_te;
/// scheduling parameters for single eNB thread
struct sched_param sched_param_single;
/// scheduling parameters for prach thread
struct sched_param sched_param_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// scheduling parameters for prach thread
struct sched_param sched_param_prach_br;
#endif
/// scheduling parameters for asynch_rxtx thread
struct sched_param sched_param_asynch_rxtx;
/// pthread structure for parallel turbo-decoder thread
pthread_t pthread_td;
/// pthread structure for parallel turbo-encoder thread
pthread_t pthread_te;
/// pthread structure for PRACH thread
pthread_t pthread_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// pthread structure for PRACH thread BL/CE UEs
pthread_t pthread_prach_br;
#endif
/// condition variable for parallel turbo-decoder thread
pthread_cond_t cond_td;
/// condition variable for parallel turbo-encoder thread
pthread_cond_t cond_te;
/// condition variable for PRACH processing thread;
pthread_cond_t cond_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// condition variable for PRACH processing thread BL/CE UEs;
pthread_cond_t cond_prach_br;
#endif
/// condition variable for asynch RX/TX thread
pthread_cond_t cond_asynch_rxtx;
/// mutex for parallel turbo-decoder thread
pthread_mutex_t mutex_td;
/// mutex for parallel turbo-encoder thread
pthread_mutex_t mutex_te;
/// mutex for PRACH thread
pthread_mutex_t mutex_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// mutex for PRACH thread for BL/CE UEs
pthread_mutex_t mutex_prach_br;
#endif
/// mutex for asynch RX/TX thread
pthread_mutex_t mutex_asynch_rxtx;
/// mutex for RU access to eNB processing (PDSCH/PUSCH)
pthread_mutex_t mutex_RU;
/// mutex for RU access to eNB processing (PRACH)
pthread_mutex_t mutex_RU_PRACH;
/// mutex for RU access to eNB processing (PRACH BR)
pthread_mutex_t mutex_RU_PRACH_br;
/// mask for RUs serving eNB (PDSCH/PUSCH)
int RU_mask;
/// mask for RUs serving eNB (PRACH)
int RU_mask_prach;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// mask for RUs serving eNB (PRACH)
int RU_mask_prach_br;
#endif
/// parameters for turbo-decoding worker thread
td_params tdp;
/// parameters for turbo-encoding worker thread
te_params tep[3];
/// set of scheduling variables RXn-TXnp4 threads
eNB_rxtx_proc_t proc_rxtx[2];
/// stats thread pthread descriptor
pthread_t process_stats_thread;
/// for waking up tx procedure
RU_proc_t *ru_proc;
} eNB_proc_t;
typedef struct {
//unsigned int rx_power[NUMBER_OF_CONNECTED_eNB_MAX][NB_ANTENNAS_RX]; //! estimated received signal power (linear)
//unsigned short rx_power_dB[NUMBER_OF_CONNECTED_eNB_MAX][NB_ANTENNAS_RX]; //! estimated received signal power (dB)
//unsigned short rx_avg_power_dB[NUMBER_OF_CONNECTED_eNB_MAX]; //! estimated avg received signal power (dB)
// common measurements
//! estimated noise power (linear)
unsigned int n0_power[MAX_NUM_RU_PER_eNB];
//! estimated noise power (dB)
unsigned short n0_power_dB[MAX_NUM_RU_PER_eNB];
//! total estimated noise power (linear)
unsigned int n0_power_tot;
//! estimated avg noise power (dB)
unsigned short n0_power_tot_dB;
//! estimated avg noise power (dB)
short n0_power_tot_dBm;
//! estimated avg noise power per RB per RX ant (lin)
unsigned short n0_subband_power[MAX_NUM_RU_PER_eNB][100];
//! estimated avg noise power per RB per RX ant (dB)
unsigned short n0_subband_power_dB[MAX_NUM_RU_PER_eNB][100];
//! estimated avg noise power per RB (dB)
short n0_subband_power_tot_dB[100];
//! estimated avg noise power per RB (dBm)
short n0_subband_power_tot_dBm[100];
// eNB measurements (per user)
//! estimated received spatial signal power (linear)
unsigned int rx_spatial_power[NUMBER_OF_UE_MAX][2][2];
//! estimated received spatial signal power (dB)
unsigned short rx_spatial_power_dB[NUMBER_OF_UE_MAX][2][2];
//! estimated rssi (dBm)
short rx_rssi_dBm[NUMBER_OF_UE_MAX];
//! estimated correlation (wideband linear) between spatial channels (computed in dlsch_demodulation)
int rx_correlation[NUMBER_OF_UE_MAX][2];
//! estimated correlation (wideband dB) between spatial channels (computed in dlsch_demodulation)
int rx_correlation_dB[NUMBER_OF_UE_MAX][2];
/// Wideband CQI (= SINR)
int wideband_cqi[NUMBER_OF_UE_MAX][MAX_NUM_RU_PER_eNB];
/// Wideband CQI in dB (= SINR dB)
int wideband_cqi_dB[NUMBER_OF_UE_MAX][MAX_NUM_RU_PER_eNB];
/// Wideband CQI (sum of all RX antennas, in dB)
char wideband_cqi_tot[NUMBER_OF_UE_MAX];
/// Subband CQI per RX antenna and RB (= SINR)
int subband_cqi[NUMBER_OF_UE_MAX][MAX_NUM_RU_PER_eNB][100];
/// Total Subband CQI and RB (= SINR)
int subband_cqi_tot[NUMBER_OF_UE_MAX][100];
/// Subband CQI in dB and RB (= SINR dB)
int subband_cqi_dB[NUMBER_OF_UE_MAX][MAX_NUM_RU_PER_eNB][100];
/// Total Subband CQI and RB
int subband_cqi_tot_dB[NUMBER_OF_UE_MAX][100];
/// PRACH background noise level
int prach_I0;
} PHY_MEASUREMENTS_eNB;
/// Top-level PHY Data Structure for eNB
typedef struct PHY_VARS_eNB_s {
/// Module ID indicator for this instance
module_id_t Mod_id;
uint8_t CC_id;
uint8_t configured;
eNB_proc_t proc;
int single_thread_flag;
int abstraction_flag;
int num_RU;
RU_t *RU_list[MAX_NUM_RU_PER_eNB];
/// Ethernet parameters for northbound midhaul interface
eth_params_t eth_params_n;
/// Ethernet parameters for fronthaul interface
eth_params_t eth_params;
int rx_total_gain_dB;
int (*td)(struct PHY_VARS_eNB_s *eNB,int UE_id,int harq_pid,int llr8_flag);
int (*te)(struct PHY_VARS_eNB_s *,uint8_t *,uint8_t,LTE_eNB_DLSCH_t *,int,uint8_t,time_stats_t *,time_stats_t *,time_stats_t *,time_stats_t *,time_stats_t *,time_stats_t *,time_stats_t *);
int (*start_if)(struct RU_t_s *ru,struct PHY_VARS_eNB_s *eNB);
uint8_t local_flag;
LTE_DL_FRAME_PARMS frame_parms;
PHY_MEASUREMENTS_eNB measurements;
IF_Module_t *if_inst;
UL_IND_t UL_INFO;
pthread_mutex_t UL_INFO_mutex;
/// NFAPI RX ULSCH information
nfapi_rx_indication_pdu_t rx_pdu_list[NFAPI_RX_IND_MAX_PDU];
/// NFAPI RX ULSCH CRC information
nfapi_crc_indication_pdu_t crc_pdu_list[NFAPI_CRC_IND_MAX_PDU];
/// NFAPI HARQ information
nfapi_harq_indication_pdu_t harq_pdu_list[NFAPI_HARQ_IND_MAX_PDU];
/// NFAPI SR information
nfapi_sr_indication_pdu_t sr_pdu_list[NFAPI_SR_IND_MAX_PDU];
/// NFAPI CQI information
nfapi_cqi_indication_pdu_t cqi_pdu_list[NFAPI_CQI_IND_MAX_PDU];
/// NFAPI CQI information (raw component)
nfapi_cqi_indication_raw_pdu_t cqi_raw_pdu_list[NFAPI_CQI_IND_MAX_PDU];
/// NFAPI PRACH information
nfapi_preamble_pdu_t preamble_list[MAX_NUM_RX_PRACH_PREAMBLES];
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
/// NFAPI PRACH information BL/CE UEs
nfapi_preamble_pdu_t preamble_list_br[MAX_NUM_RX_PRACH_PREAMBLES];
#endif
Sched_Rsp_t Sched_INFO;
LTE_eNB_PDCCH pdcch_vars[2];
LTE_eNB_PHICH phich_vars[2];
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
LTE_eNB_EPDCCH epdcch_vars[2];
LTE_eNB_MPDCCH mpdcch_vars[2];
LTE_eNB_PRACH prach_vars_br;
#endif
LTE_eNB_COMMON common_vars;
LTE_eNB_UCI uci_vars[NUMBER_OF_UE_MAX];
LTE_eNB_SRS srs_vars[NUMBER_OF_UE_MAX];
LTE_eNB_PBCH pbch;
LTE_eNB_PUSCH *pusch_vars[NUMBER_OF_UE_MAX];
LTE_eNB_PRACH prach_vars;
LTE_eNB_DLSCH_t *dlsch[NUMBER_OF_UE_MAX][2]; // Nusers times two spatial streams
LTE_eNB_ULSCH_t *ulsch[NUMBER_OF_UE_MAX+1]; // Nusers + number of RA
LTE_eNB_DLSCH_t *dlsch_SI,*dlsch_ra,*dlsch_p;
LTE_eNB_DLSCH_t *dlsch_MCH;
LTE_eNB_DLSCH_t *dlsch_PCH;
LTE_eNB_UE_stats UE_stats[NUMBER_OF_UE_MAX];
LTE_eNB_UE_stats *UE_stats_ptr[NUMBER_OF_UE_MAX];
/// cell-specific reference symbols
uint32_t lte_gold_table[20][2][14];
/// UE-specific reference symbols (p=5), TM 7
uint32_t lte_gold_uespec_port5_table[NUMBER_OF_UE_MAX][20][38];
/// UE-specific reference symbols (p=7...14), TM 8/9/10
uint32_t lte_gold_uespec_table[2][20][2][21];
/// mbsfn reference symbols
uint32_t lte_gold_mbsfn_table[10][3][42];
uint32_t X_u[64][839];
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
uint32_t X_u_br[4][64][839];
#endif
uint8_t pbch_configured;
uint8_t pbch_pdu[4]; //PBCH_PDU_SIZE
char eNB_generate_rar;
/// Indicator set to 0 after first SR
uint8_t first_sr[NUMBER_OF_UE_MAX];
uint32_t max_peak_val;
int max_eNB_id, max_sync_pos;
/// \brief sinr for all subcarriers of the current link (used only for abstraction).
/// first index: ? [0..N_RB_DL*12[
double *sinr_dB;
/// N0 (used for abstraction)
double N0;
unsigned char first_run_timing_advance[NUMBER_OF_UE_MAX];
unsigned char first_run_I0_measurements;
unsigned char is_secondary_eNB; // primary by default
unsigned char is_init_sync; /// Flag to tell if initial synchronization is performed. This affects how often the secondary eNB will listen to the PSS from the primary system.
unsigned char has_valid_precoder; /// Flag to tell if secondary eNB has channel estimates to create NULL-beams from, and this B/F vector is created.
unsigned char PeNB_id; /// id of Primary eNB
/// hold the precoder for NULL beam to the primary user
int **dl_precoder_SeNB[3];
char log2_maxp; /// holds the maximum channel/precoder coefficient
/// if ==0 enables phy only test mode
int mac_enabled;
/// counter to average prach energh over first 100 prach opportunities
int prach_energy_counter;
// PDSCH Varaibles
PDSCH_CONFIG_DEDICATED pdsch_config_dedicated[NUMBER_OF_UE_MAX];
// PUSCH Varaibles
PUSCH_CONFIG_DEDICATED pusch_config_dedicated[NUMBER_OF_UE_MAX];
// PUCCH variables
PUCCH_CONFIG_DEDICATED pucch_config_dedicated[NUMBER_OF_UE_MAX];
// UL-POWER-Control
UL_POWER_CONTROL_DEDICATED ul_power_control_dedicated[NUMBER_OF_UE_MAX];
// TPC
TPC_PDCCH_CONFIG tpc_pdcch_config_pucch[NUMBER_OF_UE_MAX];
TPC_PDCCH_CONFIG tpc_pdcch_config_pusch[NUMBER_OF_UE_MAX];
// CQI reporting
CQI_REPORT_CONFIG cqi_report_config[NUMBER_OF_UE_MAX];
// SRS Variables
SOUNDINGRS_UL_CONFIG_DEDICATED soundingrs_ul_config_dedicated[NUMBER_OF_UE_MAX];
uint8_t ncs_cell[20][7];
// Scheduling Request Config
SCHEDULING_REQUEST_CONFIG scheduling_request_config[NUMBER_OF_UE_MAX];
// Transmission mode per UE
uint8_t transmission_mode[NUMBER_OF_UE_MAX];
/// cba_last successful reception for each group, used for collision detection
uint8_t cba_last_reception[4];
// Pointers for active physicalConfigDedicated to be applied in current subframe
struct PhysicalConfigDedicated *physicalConfigDedicated[NUMBER_OF_UE_MAX];
uint32_t rb_mask_ul[4];
/// Information regarding TM5
MU_MIMO_mode mu_mimo_mode[NUMBER_OF_UE_MAX];
/// target_ue_dl_mcs : only for debug purposes
uint32_t target_ue_dl_mcs;
/// target_ue_ul_mcs : only for debug purposes
uint32_t target_ue_ul_mcs;
/// target_ue_dl_rballoc : only for debug purposes
uint32_t ue_dl_rb_alloc;
/// target ul PRBs : only for debug
uint32_t ue_ul_nb_rb;
///check for Total Transmissions
uint32_t check_for_total_transmissions;
///check for MU-MIMO Transmissions
uint32_t check_for_MUMIMO_transmissions;
///check for SU-MIMO Transmissions
uint32_t check_for_SUMIMO_transmissions;
///check for FULL MU-MIMO Transmissions
uint32_t FULL_MUMIMO_transmissions;
/// Counter for total bitrate, bits and throughput in downlink
uint32_t total_dlsch_bitrate;
uint32_t total_transmitted_bits;
uint32_t total_system_throughput;
int hw_timing_advance;
time_stats_t phy_proc;
time_stats_t phy_proc_tx;
time_stats_t phy_proc_rx;
time_stats_t rx_prach;
time_stats_t ofdm_mod_stats;
time_stats_t dlsch_encoding_stats;
time_stats_t dlsch_modulation_stats;
time_stats_t dlsch_scrambling_stats;
time_stats_t dlsch_rate_matching_stats;
time_stats_t dlsch_turbo_encoding_preperation_stats;
time_stats_t dlsch_turbo_encoding_segmentation_stats;
time_stats_t dlsch_turbo_encoding_stats;
time_stats_t dlsch_turbo_encoding_waiting_stats;
time_stats_t dlsch_turbo_encoding_signal_stats;
time_stats_t dlsch_turbo_encoding_main_stats;
time_stats_t dlsch_turbo_encoding_wakeup_stats0;
time_stats_t dlsch_turbo_encoding_wakeup_stats1;
time_stats_t dlsch_interleaving_stats;
time_stats_t rx_dft_stats;
time_stats_t ulsch_channel_estimation_stats;
time_stats_t ulsch_freq_offset_estimation_stats;
time_stats_t ulsch_decoding_stats;
time_stats_t ulsch_demodulation_stats;
time_stats_t ulsch_rate_unmatching_stats;
time_stats_t ulsch_turbo_decoding_stats;
time_stats_t ulsch_deinterleaving_stats;
time_stats_t ulsch_demultiplexing_stats;
time_stats_t ulsch_llr_stats;
time_stats_t ulsch_tc_init_stats;
time_stats_t ulsch_tc_alpha_stats;
time_stats_t ulsch_tc_beta_stats;
time_stats_t ulsch_tc_gamma_stats;
time_stats_t ulsch_tc_ext_stats;
time_stats_t ulsch_tc_intl1_stats;
time_stats_t ulsch_tc_intl2_stats;
int32_t pucch1_stats_cnt[NUMBER_OF_UE_MAX][10];
int32_t pucch1_stats[NUMBER_OF_UE_MAX][10*1024];
int32_t pucch1_stats_thres[NUMBER_OF_UE_MAX][10*1024];
int32_t pucch1ab_stats_cnt[NUMBER_OF_UE_MAX][10];
int32_t pucch1ab_stats[NUMBER_OF_UE_MAX][2*10*1024];
int32_t pusch_stats_rb[NUMBER_OF_UE_MAX][10240];
int32_t pusch_stats_round[NUMBER_OF_UE_MAX][10240];
int32_t pusch_stats_mcs[NUMBER_OF_UE_MAX][10240];
int32_t pusch_stats_bsr[NUMBER_OF_UE_MAX][10240];
int32_t pusch_stats_BO[NUMBER_OF_UE_MAX][10240];
} PHY_VARS_eNB;
#endif /* __PHY_DEFS_ENB__H__ */