mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
176 lines
7.9 KiB
C
176 lines
7.9 KiB
C
/**
|
|
* Copyright 2013-2022 Software Radio Systems Limited
|
|
*
|
|
* This file is part of srsRAN.
|
|
*
|
|
* srsRAN is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* srsRAN is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* A copy of the GNU Affero General Public License can be found in
|
|
* the LICENSE file in the top-level directory of this distribution
|
|
* and at http://www.gnu.org/licenses/.
|
|
*
|
|
*/
|
|
|
|
/**********************************************************************************************
|
|
* File: phy_common_sl.h
|
|
*
|
|
* Description: Common parameters and lookup functions for Sidelink PHY
|
|
*
|
|
* Reference: 3GPP TS 36.211 version 15.3.0 Release 15
|
|
*********************************************************************************************/
|
|
|
|
#ifndef SRSRAN_PHY_COMMON_SL_H
|
|
#define SRSRAN_PHY_COMMON_SL_H
|
|
|
|
/**
|
|
* \brief Common parameters and lookup functions for Sidelink PHY
|
|
*/
|
|
|
|
#include "srsran/phy/common/phy_common.h"
|
|
|
|
typedef enum SRSRAN_API {
|
|
SRSRAN_SIDELINK_TM1 = 0,
|
|
SRSRAN_SIDELINK_TM2,
|
|
SRSRAN_SIDELINK_TM3,
|
|
SRSRAN_SIDELINK_TM4
|
|
} srsran_sl_tm_t;
|
|
|
|
typedef enum SRSRAN_API {
|
|
SRSRAN_SIDELINK_PSBCH = 0, // Physical Sidelink Broadcast Channel
|
|
SRSRAN_SIDELINK_PSCCH, // Physical Sidelink Control Channel
|
|
SRSRAN_SIDELINK_PSSCH, // Physical Sidelink Shared Channel
|
|
SRSRAN_SIDELINK_PSDCH // Physical Sidelink Discovery Channel
|
|
} srsran_sl_channels_t;
|
|
|
|
typedef struct SRSRAN_API {
|
|
srsran_sl_tm_t tm;
|
|
uint32_t N_sl_id;
|
|
uint32_t nof_prb;
|
|
srsran_cp_t cp;
|
|
} srsran_cell_sl_t;
|
|
|
|
#define SRSRAN_SL_MAX_PERIOD_LENGTH 320 // SL-PeriodComm-r12 3GPP TS 36.331 Section 6.3.8
|
|
// SL-CommResourcePool: 3GPP TS 36.331 version 15.6.0 Release 15 Section 6.3.8
|
|
typedef struct SRSRAN_API {
|
|
uint32_t period_length;
|
|
|
|
uint32_t prb_num;
|
|
uint32_t prb_start;
|
|
uint32_t prb_end;
|
|
|
|
uint8_t pscch_sf_bitmap[SRSRAN_SL_MAX_PERIOD_LENGTH];
|
|
uint8_t pssch_sf_bitmap[SRSRAN_SL_MAX_PERIOD_LENGTH];
|
|
|
|
uint32_t size_sub_channel; // sizeSubchannel-r14
|
|
uint32_t num_sub_channel; // numSubchannel-r14
|
|
uint32_t start_prb_sub_channel; // startRB-Subchannel-r14 offset
|
|
bool adjacency_pscch_pssch; // adjacencyPSCCH-PSSCH-r14
|
|
|
|
uint32_t sf_bitmap_tm34_len;
|
|
uint8_t sf_bitmap_tm34[SRSRAN_SL_MAX_PERIOD_LENGTH]; // sl_Subframe_r14: 3GPP 36.331 Section 6.3.8
|
|
} srsran_sl_comm_resource_pool_t;
|
|
|
|
typedef enum SRSRAN_API {
|
|
SRSRAN_SIDELINK_DATA_SYMBOL = 0,
|
|
SRSRAN_SIDELINK_SYNC_SYMBOL,
|
|
SRSRAN_SIDELINK_DMRS_SYMBOL,
|
|
SRSRAN_SIDELINK_GUARD_SYMBOL
|
|
} srsran_sl_symbol_t;
|
|
|
|
#define SRSRAN_SL_DUPLEX_MODE_FDD (1)
|
|
#define SRSRAN_SL_DUPLEX_MODE_TDD (2)
|
|
|
|
#define SRSRAN_SLSS_SIDE_PEAK_OFFSET (0.005f)
|
|
#define SRSRAN_SLSS_SIDE_PEAK_THRESHOLD_HIGH (0.49f) // square(0.7), max 70% of main peak
|
|
#define SRSRAN_SLSS_SIDE_PEAK_THRESHOLD_LOW (0.09f) // square(0.3), min 30% of main peak
|
|
|
|
#define SRSRAN_PSBCH_NOF_PRB (6)
|
|
#define SRSRAN_PSCCH_TM34_NOF_PRB (2)
|
|
|
|
#define SRSRAN_MIB_SL_LEN (40) // TM1/2: 40 bits
|
|
#define SRSRAN_MIB_SL_V2X_LEN (48) // TM3/4: 48 bits
|
|
#define SRSRAN_MIB_SL_MAX_LEN (SRSRAN_MIB_SL_V2X_LEN)
|
|
|
|
#define SRSRAN_SL_TM12_DEFAULT_NUM_DMRS_SYMBOLS (2)
|
|
#define SRSRAN_SL_TM34_DEFAULT_NUM_DMRS_SYMBOLS (4) ///< In TM3/4, all channels have 4 DMRS by default
|
|
|
|
#define SRSRAN_PSBCH_TM12_NUM_DATA_SYMBOLS (8) // PSBCH is in 8 OFDM symbols (but only 7 are tx'ed)
|
|
#define SRSRAN_PSBCH_TM12_NUM_DATA_SYMBOLS_EXT \
|
|
(6) // PSBCH is in 7 OFDM symbols for extended cyclic prefix (but only 6 are tx'ed)
|
|
#define SRSRAN_PSBCH_TM12_NUM_DMRS_SYMBOLS (2) ///< PSBCH has 2 DMRS symbols
|
|
#define SRSRAN_PSBCH_TM12_NUM_SYNC_SYMBOLS (4) ///< Two symbols PSSS and two SSSS
|
|
|
|
#define SRSRAN_PSBCH_TM34_NUM_DATA_SYMBOLS (7) ///< SL-BCH is in 7 OFDM symbols (but only 6 are tx'ed)
|
|
#define SRSRAN_PSBCH_TM34_NUM_DMRS_SYMBOLS (3) ///< PSBCH has 3 DMRS symbols in TM3 and TM4
|
|
#define SRSRAN_PSBCH_TM34_NUM_SYNC_SYMBOLS (4) ///< Two symbols PSSS and two SSSS
|
|
|
|
#define SRSRAN_SCI_CRC_LEN (16)
|
|
#define SRSRAN_SCI_MAX_LEN (45)
|
|
#define SRSRAN_SCI_TM34_LEN (32)
|
|
|
|
#define SRSRAN_PSCCH_QM 2
|
|
#define SRSRAN_PSCCH_TM12_NOF_PRB (1)
|
|
#define SRSRAN_PSCCH_TM34_NOF_PRB (2)
|
|
#define SRSRAN_PSCCH_MAX_NOF_PRB (SRSRAN_PSCCH_TM34_NOF_PRB)
|
|
#define SRSRAN_PSCCH_SCRAMBLING_SEED (510) ///< Scrambling seed for PSCCH is 510
|
|
|
|
#define SRSRAN_PSCCH_TM12_NUM_DATA_SYMBOLS (12)
|
|
#define SRSRAN_PSCCH_TM12_NUM_DMRS_SYMBOLS (2)
|
|
#define SRSRAN_PSCCH_TM12_NUM_DATA_SYMBOLS_EXT (10)
|
|
|
|
#define SRSRAN_PSCCH_TM34_NUM_DATA_SYMBOLS (10)
|
|
#define SRSRAN_PSCCH_TM34_NUM_DMRS_SYMBOLS (4)
|
|
|
|
#define SRSRAN_PSCCH_TM12_NOF_CODED_BITS \
|
|
(SRSRAN_NRE * SRSRAN_PSCCH_TM12_NUM_DATA_SYMBOLS * SRSRAN_PSCCH_TM12_NOF_PRB * SRSRAN_PSCCH_QM)
|
|
#define SRSRAN_PSCCH_TM34_NOF_CODED_BITS \
|
|
(SRSRAN_NRE * SRSRAN_PSCCH_TM34_NUM_DATA_SYMBOLS * SRSRAN_PSCCH_TM34_NOF_PRB * SRSRAN_PSCCH_QM)
|
|
#define SRSRAN_PSCCH_MAX_CODED_BITS SRSRAN_MAX(SRSRAN_PSCCH_TM12_NOF_CODED_BITS, SRSRAN_PSCCH_TM34_NOF_CODED_BITS)
|
|
|
|
#define SRSRAN_PSSCH_MAX_QM 6
|
|
#define SRSRAN_PSSCH_CRC_LEN 24
|
|
#define SRSRAN_MAX_CODEWORD_LEN 168000 // 12 subcarriers * 100 PRB * 14 symbols * 10 bits, assuming 1024QAM
|
|
#define SRSRAN_SL_SCH_MAX_TB_LEN (48936) // 3GPP 36.306 v15.4.0 Table 4.1B-1
|
|
#define SRSRAN_PSSCH_MAX_CODED_BITS (3 * SRSRAN_TCOD_MAX_LEN_CB + SRSRAN_TCOD_TOTALTAIL)
|
|
|
|
#define SRSRAN_PSSCH_TM12_NUM_DATA_SYMBOLS (12) // PSSCH is in 12 OFDM symbols (but only 11 are tx'ed)
|
|
#define SRSRAN_PSSCH_TM12_NUM_DMRS_SYMBOLS (2) // PSSCH has 2 DMRS symbols in TM1 and TM2
|
|
|
|
#define SRSRAN_PSSCH_TM12_NUM_DATA_SYMBOLS_CP_EXT \
|
|
(10) // PSSCH is in 10 OFDM symbols for extended cyclic prefix (but only 9 are tx'ed)
|
|
#define SRSRAN_PSSCH_TM12_NUM_DMRS_SYMBOLS_CP_EXT \
|
|
(2) // PSSCH has 2 DMRS symbols for extended cyclic prefix in TM1 and TM2
|
|
|
|
#define SRSRAN_PSSCH_TM34_NUM_DATA_SYMBOLS (10) // PSSCH is in 10 OFDM symbols (but only 9 are tx'ed)
|
|
#define SRSRAN_PSSCH_TM34_NUM_DMRS_SYMBOLS (4) // PSSCH has 4 DMRS symbols in TM3 and TM4
|
|
|
|
SRSRAN_API int srsran_sl_group_hopping_f_gh(uint32_t f_gh[SRSRAN_NSLOTS_X_FRAME * 2], uint32_t N_x_id);
|
|
#define SRSRAN_PSCCH_MAX_NUM_DATA_SYMBOLS (SRSRAN_PSCCH_TM12_NUM_DATA_SYMBOLS)
|
|
|
|
SRSRAN_API bool srsran_slss_side_peak_pos_is_valid(uint32_t side_peak_pos,
|
|
uint32_t main_peak_pos,
|
|
uint32_t side_peak_delta_a,
|
|
uint32_t side_peak_delta_b);
|
|
SRSRAN_API bool srsran_slss_side_peak_value_is_valid(float side_peak_value, float threshold_low, float threshold_high);
|
|
|
|
SRSRAN_API int srsran_sl_tm_to_cell_sl_tm_t(srsran_cell_sl_t* q, uint32_t tm);
|
|
|
|
SRSRAN_API uint32_t srsran_sl_get_num_symbols(srsran_sl_tm_t tm, srsran_cp_t cp);
|
|
SRSRAN_API bool srsran_psbch_is_symbol(srsran_sl_symbol_t type, srsran_sl_tm_t tm, uint32_t i, srsran_cp_t cp);
|
|
SRSRAN_API bool srsran_pscch_is_symbol(srsran_sl_symbol_t type, srsran_sl_tm_t tm, uint32_t i, srsran_cp_t cp);
|
|
SRSRAN_API bool srsran_pssch_is_symbol(srsran_sl_symbol_t type, srsran_sl_tm_t tm, uint32_t i, srsran_cp_t cp);
|
|
|
|
SRSRAN_API uint32_t srsran_sci_format0_sizeof(uint32_t nof_prb);
|
|
|
|
SRSRAN_API int srsran_sl_comm_resource_pool_get_default_config(srsran_sl_comm_resource_pool_t* q,
|
|
srsran_cell_sl_t cell);
|
|
|
|
#endif // SRSRAN_PHY_COMMON_SL_H
|