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openairinterface5g/openair1/PHY/LTE_TRANSPORT/transport_eNB.h
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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 transport_eNB.h
* \brief data structures for PDSCH/DLSCH/PUSCH/ULSCH physical and transport channel descriptors (TX/RX)
* \author R. Knopp
* \date 2011
* \version 0.1
* \company Eurecom
* \email: raymond.knopp@eurecom.fr, florian.kaltenberger@eurecom.fr, oscar.tonelli@yahoo.it
* \note
* \warning
*/
#ifndef __TRANSPORT_ENB__H__
#define __TRANSPORT_ENB__H__
#include "transport_common.h"
//#include "PHY/defs_eNB.h"
#include "dci.h"
#include "mdci.h"
#include "uci_common.h"
//#ifndef STANDALONE_COMPILE
// #include "UTIL/LISTS/list.h"
//#endif
// structures below implement 36-211 and 36-212
/** @addtogroup _PHY_TRANSPORT_
* @{
*/
typedef struct {
/// Status Flag indicating for this DLSCH (idle,active,disabled)
SCH_status_t status;
/// Transport block size
uint32_t TBS;
/// pointer to pdu from MAC interface (this is "a" in 36.212)
uint8_t *pdu;
/// The payload + CRC size in bits, "B" from 36-212
uint32_t B;
/// Pointer to the payload
uint8_t *b;
/// 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;
/// Modulation order
uint8_t Qm;
/// MCS
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;
/// Current NDI
uint8_t ndi;
/// downlink power offset field
uint8_t dl_power_off;
/// start symbold of pdsch
uint8_t pdsch_start;
/// Concatenated "e"-sequences (for definition see 36-212 V8.6 2009-03, p.17-18)
uint8_t eDL[MAX_NUM_CHANNEL_BITS] __attribute__((aligned(32)));
/// Turbo-code outputs (36-212 V8.6 2009-03, p.12
uint8_t *d[MAX_NUM_DLSCH_SEGMENTS];//[(96+3+(3*6144))];
/// Sub-block interleaver outputs (36-212 V8.6 2009-03, p.16-17)
uint8_t w[MAX_NUM_DLSCH_SEGMENTS][3*6144];
/// 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, 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;
/// codeword this transport block is mapped to
uint8_t codeword;
#ifdef PHY_TX_THREAD
/// indicator that this DLSCH corresponds to SIB1-BR, needed for c_init for scrambling
uint8_t sib1_br_flag;
/// initial absolute subframe (see 36.211 Section 6.3.1), needed for c_init for scrambling
uint16_t i0;
CEmode_t CEmode;
#endif
} LTE_DL_eNB_HARQ_t;
typedef struct {
/// TX buffers for UE-spec transmission (antenna ports 5 or 7..14, prior to precoding)
int32_t *txdataF[8];
/// beamforming weights for UE-spec transmission (antenna ports 5 or 7..14), for each codeword, maximum 4 layers?
int32_t **ue_spec_bf_weights[4];
/// 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
#ifdef PHY_TX_THREAD
uint8_t active[10];
#else
uint8_t active;
#endif
/// indicator of UE type (0 = LTE, 1,2 = Cat-M)
int ue_type;
/// HARQ process mask, indicates which processes are currently active
uint16_t harq_mask;
/// 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];
/// Process ID's per subframe. Used to associate received ACKs on PUSCH/PUCCH to DLSCH harq process ids
uint8_t harq_ids[2][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
LTE_DL_eNB_HARQ_t *harq_processes[8];
/// 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;
/// current pa value
int pa;
/// current pb value
int pb;
/// 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;
#ifndef PHY_TX_THREAD
/// indicator that this DLSCH corresponds to SIB1-BR, needed for c_init for scrambling
uint8_t sib1_br_flag;
/// initial absolute subframe (see 36.211 Section 6.3.1), needed for c_init for scrambling
uint16_t i0;
CEmode_t CEmode;
#endif
} LTE_eNB_DLSCH_t;
typedef struct {
/// 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_t status;
/// Flag to indicate that eNB should decode UE Msg3
uint8_t Msg3_flag;
/// Subframe for reception
uint8_t subframe;
/// Frame for reception
uint32_t frame;
/// Flag to indicate that the UL configuration has been handled. Used to remove a stale ULSCH when frame wraps around
uint8_t handled;
/// PHICH active flag
uint8_t phich_active;
/// PHICH ACK
uint8_t phich_ACK;
/// First Allocated RB
uint16_t first_rb;
/// First Allocated RB - previous scheduling
/// This is needed for PHICH generation which
/// is done after a new scheduling
uint16_t previous_first_rb;
/// Current Number of RBs
uint16_t nb_rb;
/// Current Modulation order
uint8_t Qm;
/// Transport block size
uint32_t TBS;
/// The payload + CRC size in bits
uint32_t B;
/// Number of soft channel bits
uint32_t G;
/// CQI CRC status
uint8_t cqi_crc_status;
/// Pointer to CQI data
uint8_t o[MAX_CQI_BYTES];
/// Format of CQI data
UCI_format_t uci_format;
/// Length of CQI data under RI=1 assumption(bits)
uint8_t Or1;
/// Length of CQI data under RI=2 assumption(bits)
uint8_t Or2;
/// Rank information
uint8_t o_RI[2];
/// Length of rank information (bits)
uint8_t O_RI;
/// Pointer to ACK
uint8_t o_ACK[4];
/// Length of ACK information (bits)
uint8_t O_ACK;
/// The value of DAI in DCI format 0
uint8_t V_UL_DAI;
/// "q" sequences for CQI/PMI (for definition see 36-212 V8.6 2009-03, p.27)
int8_t q[MAX_CQI_PAYLOAD];
/// number of coded CQI bits after interleaving
uint8_t o_RCC;
/// coded and interleaved CQI bits
int8_t o_w[(MAX_CQI_BITS+8)*3];
/// coded CQI bits
int8_t o_d[96+((MAX_CQI_BITS+8)*3)];
/// coded ACK bits
int16_t q_ACK[MAX_ACK_PAYLOAD];
/// coded RI bits
int16_t q_RI[MAX_RI_PAYLOAD];
/// Concatenated "e"-sequences (for definition see 36-212 V8.6 2009-03, p.17-18)
int16_t eUL[MAX_NUM_CHANNEL_BITS] __attribute__((aligned(32)));
/// Temporary h sequence to flag PUSCH_x/PUSCH_y symbols which are not scrambled
uint8_t h[MAX_NUM_CHANNEL_BITS];
/// Pointer to the payload
uint8_t *decodedBytes;
/// Pointers to transport block segments
//TBD
uint8_t *c[MAX_NUM_ULSCH_SEGMENTS];
/// RTC values for each segment (for definition see 36-212 V8.6 2009-03, p.15)
uint32_t RTC[MAX_NUM_ULSCH_SEGMENTS];
/// Current Number of Symbols
uint8_t Nsymb_pusch;
/// SRS active flag
uint8_t srs_active;
/// NDI
uint8_t ndi;
/// Index of current HARQ round for this ULSCH
uint8_t round;
/// Redundancy-version of the current sub-frame
uint8_t rvidx;
/// soft bits for each received segment ("w"-sequence)(for definition see 36-212 V8.6 2009-03, p.15)
int16_t w[MAX_NUM_ULSCH_SEGMENTS][3*(6144+64)];
int16_t pusch_rep_buffer[MAX_NUM_ULSCH_SEGMENTS][3*(6144+64)];
/// soft bits for each received segment ("d"-sequence)(for definition see 36-212 V8.6 2009-03, p.15)
//TBD
int16_t *d[MAX_NUM_ULSCH_SEGMENTS];
uint32_t processedSegments;
uint32_t processedBadSegment;
/// 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;
/// 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;
// PUSCH Repetition Number for the current SF
uint32_t repetition_number ;
// PUSCH Total number of repetitions
uint32_t total_number_of_repetitions;
decode_abort_t abort_decode;
} LTE_UL_eNB_HARQ_t;
typedef struct {
uint8_t active;
/// Absolute frame for this UCI
uint16_t frame;
/// Absolute subframe for this UCI
uint8_t subframe;
/// corresponding UE RNTI
uint16_t rnti;
/// UE ID from Layer2
uint16_t ue_id;
/// Type (SR, HARQ, CQI, HARQ_SR, HARQ_CQI, SR_CQI, HARQ_SR_CQI)
UCI_type_t type;
/// SRS active flag
uint8_t srs_active;
/// PUCCH format to use
PUCCH_FMT_t pucch_fmt;
/// number of PUCCH antenna ports
uint8_t num_antenna_ports;
/// number of PUCCH resources
uint8_t num_pucch_resources;
/// two antenna n1_pucch 1_0
uint16_t n_pucch_1[4][2];
/// two antenna n1_pucch 1_0 for SR
uint16_t n_pucch_1_0_sr[2];
/// two antenna n2_pucch
uint16_t n_pucch_2[2];
/// two antenna n3_pucch
uint16_t n_pucch_3[2];
/// TDD Bundling/multiplexing flag
uint8_t tdd_bundling;
/// Received Energy
uint32_t stat;
/// non BL/CE, CEmodeA, CEmodeB
UE_type_t ue_type;
/// Indicates the symbols that are left empty due to eMTC retuning.
uint8_t empty_symbols;
/// number of repetitions for BL/CE
uint16_t total_repetitions;
/// The size of the DL CQI/PMI in bits.
uint16_t dl_cqi_pmi_size2;
/// The starting PRB for the PUCCH
uint8_t starting_prb;
/// The number of PRB in PUCCH
uint8_t n_PRB;
/// Selected CDM option
uint8_t cdm_Index;
// Indicates if the resource blocks allocated for this grant overlap with the SRS configuration.
uint8_t Nsrs;
} LTE_eNB_UCI;
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_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 ulsch_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;
} LTE_eNB_UE_stats;
typedef struct {
/// UE type (normal, CEModeA, CEModeB)
uint8_t ue_type;
/// HARQ process mask, indicates which processes are currently active
uint16_t harq_mask;
/// Pointers to 8 HARQ processes for the ULSCH
LTE_UL_eNB_HARQ_t *harq_processes[8];
/// 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;
/// 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];
} LTE_eNB_ULSCH_t;
/**@}*/
#endif
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