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525 lines
18 KiB
C
525 lines
18 KiB
C
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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/**********************************************************************************************
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* File: phy_common.h
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*
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* Description: Common parameters and lookup functions for PHY
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*
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* Reference: 3GPP TS 36.211 version 10.0.0 Release 10
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*********************************************************************************************/
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#ifndef SRSRAN_PHY_COMMON_H
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#define SRSRAN_PHY_COMMON_H
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#include <math.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "srsran/config.h"
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#define SRSRAN_NOF_SF_X_FRAME 10
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#define SRSRAN_NOF_SLOTS_PER_SF 2
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#define SRSRAN_NSLOTS_X_FRAME (SRSRAN_NOF_SLOTS_PER_SF * SRSRAN_NOF_SF_X_FRAME)
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#define SRSRAN_NSOFT_BITS 250368 // Soft buffer size for Category 1 UE
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#define SRSRAN_PC_MAX 23 // Maximum TX power for Category 1 UE (in dBm)
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#define SRSRAN_NOF_NID_1 (168)
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#define SRSRAN_NOF_NID_2 (3)
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#define SRSRAN_NUM_PCI (SRSRAN_NOF_NID_1 * SRSRAN_NOF_NID_2)
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#define SRSRAN_MAX_CARRIERS 5 // Maximum number of supported simultaneous carriers
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#define SRSRAN_MAX_PORTS 4
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#define SRSRAN_MAX_CHANNELS (SRSRAN_MAX_CARRIERS * SRSRAN_MAX_PORTS)
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#define SRSRAN_MAX_LAYERS 4
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#define SRSRAN_MAX_CODEWORDS 2
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#define SRSRAN_MAX_TB SRSRAN_MAX_CODEWORDS
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#define SRSRAN_MAX_QM 8
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#define SRSRAN_MAX_CODEBLOCKS 32
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#define SRSRAN_MAX_CODEBOOKS 4
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#define SRSRAN_NOF_CFI 3
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#define SRSRAN_CFI_ISVALID(x) ((x >= 1 && x <= 3))
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#define SRSRAN_CFI_IDX(x) ((x - 1) % SRSRAN_NOF_CFI)
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#define SRSRAN_LTE_CRC24A 0x1864CFB
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#define SRSRAN_LTE_CRC24B 0X1800063
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#define SRSRAN_LTE_CRC24C 0X1B2B117
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#define SRSRAN_LTE_CRC16 0x11021
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#define SRSRAN_LTE_CRC11 0xE21
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#define SRSRAN_LTE_CRC8 0x19B
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#define SRSRAN_LTE_CRC6 0x61
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#define SRSRAN_MAX_MBSFN_AREA_IDS 256
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#define SRSRAN_PMCH_RV 0
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typedef enum { SRSRAN_CP_NORM = 0, SRSRAN_CP_EXT } srsran_cp_t;
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typedef enum { SRSRAN_SF_NORM = 0, SRSRAN_SF_MBSFN } srsran_sf_t;
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#define SRSRAN_INVALID_RNTI 0x0 // TS 36.321 - Table 7.1-1 RNTI 0x0 isn't a valid DL RNTI
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#define SRSRAN_CRNTI_START 0x000B
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#define SRSRAN_CRNTI_END 0xFFF3
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#define SRSRAN_RARNTI_START 0x0001
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#define SRSRAN_RARNTI_END 0x000A
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#define SRSRAN_SIRNTI 0xFFFF
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#define SRSRAN_PRNTI 0xFFFE
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#define SRSRAN_MRNTI 0xFFFD
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#define SRSRAN_RNTI_ISRAR(rnti) (rnti >= SRSRAN_RARNTI_START && rnti <= SRSRAN_RARNTI_END)
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#define SRSRAN_RNTI_ISUSER(rnti) (rnti >= SRSRAN_CRNTI_START && rnti <= SRSRAN_CRNTI_END)
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#define SRSRAN_RNTI_ISSI(rnti) (rnti == SRSRAN_SIRNTI)
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#define SRSRAN_RNTI_ISPA(rnti) (rnti == SRSRAN_PRNTI)
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#define SRSRAN_RNTI_ISMBSFN(rnti) (rnti == SRSRAN_MRNTI)
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#define SRSRAN_RNTI_ISSIRAPA(rnti) (SRSRAN_RNTI_ISSI(rnti) || SRSRAN_RNTI_ISRAR(rnti) || SRSRAN_RNTI_ISPA(rnti))
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#define SRSRAN_CELL_ID_UNKNOWN 1000
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#define SRSRAN_MAX_NSYMB 7
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#define SRSRAN_MAX_PRB 110
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#define SRSRAN_NRE 12
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#define SRSRAN_SYMBOL_SZ_MAX 2048
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#define SRSRAN_CP_NORM_NSYMB 7
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#define SRSRAN_CP_NORM_SF_NSYMB (2 * SRSRAN_CP_NORM_NSYMB)
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#define SRSRAN_CP_NORM_0_LEN 160
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#define SRSRAN_CP_NORM_LEN 144
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#define SRSRAN_CP_EXT_NSYMB 6
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#define SRSRAN_CP_EXT_SF_NSYMB (2 * SRSRAN_CP_EXT_NSYMB)
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#define SRSRAN_CP_EXT_LEN 512
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#define SRSRAN_CP_EXT_7_5_LEN 1024
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#define SRSRAN_CP_ISNORM(cp) (cp == SRSRAN_CP_NORM)
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#define SRSRAN_CP_ISEXT(cp) (cp == SRSRAN_CP_EXT)
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#define SRSRAN_CP_NSYMB(cp) (SRSRAN_CP_ISNORM(cp) ? SRSRAN_CP_NORM_NSYMB : SRSRAN_CP_EXT_NSYMB)
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#define SRSRAN_CP_LEN(symbol_sz, c) ((int)ceilf((((float)(c) * (symbol_sz)) / 2048.0f)))
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#define SRSRAN_CP_LEN_NORM(symbol, symbol_sz) \
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(((symbol) == 0) ? SRSRAN_CP_LEN((symbol_sz), SRSRAN_CP_NORM_0_LEN) : SRSRAN_CP_LEN((symbol_sz), SRSRAN_CP_NORM_LEN))
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#define SRSRAN_CP_LEN_EXT(symbol_sz) (SRSRAN_CP_LEN((symbol_sz), SRSRAN_CP_EXT_LEN))
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#define SRSRAN_CP_SZ(symbol_sz, cp) \
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(SRSRAN_CP_LEN(symbol_sz, (SRSRAN_CP_ISNORM(cp) ? SRSRAN_CP_NORM_LEN : SRSRAN_CP_EXT_LEN)))
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#define SRSRAN_SYMBOL_SZ(symbol_sz, cp) (symbol_sz + SRSRAN_CP_SZ(symbol_sz, cp))
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#define SRSRAN_SLOT_LEN(symbol_sz) (symbol_sz * 15 / 2)
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#define SRSRAN_SF_LEN(symbol_sz) (symbol_sz * 15)
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#define SRSRAN_SF_LEN_MAX (SRSRAN_SF_LEN(SRSRAN_SYMBOL_SZ_MAX))
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#define SRSRAN_SLOT_LEN_PRB(nof_prb) (SRSRAN_SLOT_LEN(srsran_symbol_sz(nof_prb)))
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#define SRSRAN_SF_LEN_PRB(nof_prb) ((uint32_t)SRSRAN_SF_LEN(srsran_symbol_sz(nof_prb)))
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#define SRSRAN_SLOT_LEN_RE(nof_prb, cp) (nof_prb * SRSRAN_NRE * SRSRAN_CP_NSYMB(cp))
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#define SRSRAN_SF_LEN_RE(nof_prb, cp) (2 * SRSRAN_SLOT_LEN_RE(nof_prb, cp))
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#define SRSRAN_NOF_RE(cell) (2 * SRSRAN_SLOT_LEN_RE(cell.nof_prb, cell.cp))
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#define SRSRAN_TA_OFFSET (10e-6)
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#define SRSRAN_LTE_TS (1.0f / (15000.0f * 2048.0f))
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#define SRSRAN_SLOT_IDX_CPNORM(symbol_idx, symbol_sz) \
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(symbol_idx == 0 ? 0 \
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: (symbol_sz + SRSRAN_CP_LEN(symbol_sz, SRSRAN_CP_NORM_0_LEN) + \
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(symbol_idx - 1) * (symbol_sz + SRSRAN_CP_LEN(symbol_sz, SRSRAN_CP_NORM_LEN))))
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#define SRSRAN_SLOT_IDX_CPEXT(idx, symbol_sz) (idx * (symbol_sz + SRSRAN_CP(symbol_sz, SRSRAN_CP_EXT_LEN)))
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#define SRSRAN_RE_IDX(nof_prb, symbol_idx, sample_idx) ((symbol_idx) * (nof_prb) * (SRSRAN_NRE) + sample_idx)
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#define SRSRAN_RS_VSHIFT(cell_id) (cell_id % 6)
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#define SRSRAN_GUARD_RE(nof_prb) ((srsran_symbol_sz(nof_prb) - nof_prb * SRSRAN_NRE) / 2)
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#define SRSRAN_SYMBOL_HAS_REF(l, cp, nof_ports) ((l == 1 && nof_ports == 4) || l == 0 || l == SRSRAN_CP_NSYMB(cp) - 3)
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#define SRSRAN_NOF_CTRL_SYMBOLS(cell, cfi) (cfi + (cell.nof_prb < 10 ? 1 : 0))
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#define SRSRAN_SYMBOL_HAS_REF_MBSFN(l, s) ((l == 2 && s == 0) || (l == 0 && s == 1) || (l == 4 && s == 1))
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#define SRSRAN_NON_MBSFN_REGION_GUARD_LENGTH(non_mbsfn_region, symbol_sz) \
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((non_mbsfn_region == 1) \
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? (SRSRAN_CP_LEN_EXT(symbol_sz) - SRSRAN_CP_LEN_NORM(0, symbol_sz)) \
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: (2 * SRSRAN_CP_LEN_EXT(symbol_sz) - SRSRAN_CP_LEN_NORM(0, symbol_sz) - SRSRAN_CP_LEN_NORM(1, symbol_sz)))
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#define SRSRAN_FDD_NOF_HARQ (FDD_HARQ_DELAY_DL_MS + FDD_HARQ_DELAY_UL_MS)
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#define SRSRAN_MAX_HARQ_PROC 15
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#define SRSRAN_NOF_LTE_BANDS 58
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#define SRSRAN_DEFAULT_MAX_FRAMES_PBCH 500
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#define SRSRAN_DEFAULT_MAX_FRAMES_PSS 10
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#define SRSRAN_DEFAULT_NOF_VALID_PSS_FRAMES 10
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#define ZERO_OBJECT(x) memset(&(x), 0x0, sizeof((x)))
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typedef enum SRSRAN_API { SRSRAN_PHICH_NORM = 0, SRSRAN_PHICH_EXT } srsran_phich_length_t;
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typedef enum SRSRAN_API {
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SRSRAN_PHICH_R_1_6 = 0,
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SRSRAN_PHICH_R_1_2,
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SRSRAN_PHICH_R_1,
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SRSRAN_PHICH_R_2
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} srsran_phich_r_t;
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/// LTE duplex modes.
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typedef enum SRSRAN_API {
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/// FDD uses frame structure type 1.
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SRSRAN_FDD = 0,
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/// TDD uses frame structure type 2.
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SRSRAN_TDD = 1
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} srsran_frame_type_t;
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/// Maximum number of TDD special subframe configurations.
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#define SRSRAN_MAX_TDD_SS_CONFIGS (10u)
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/// Maximum number of TDD uplink-downlink subframe configurations.
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#define SRSRAN_MAX_TDD_SF_CONFIGS (7u)
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/// Configuration fields for operating in TDD mode.
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typedef struct SRSRAN_API {
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/// Uplink-downlink configuration, valid range is [0,SRSRAN_MAX_TDD_SF_CONFIGS[.
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/// TS 36.211 v8.9.0 Table 4.2-2.
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uint32_t sf_config;
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/// Special subframe symbol length configuration, valid range is [0,SRSRAN_MAX_TDD_SS_CONFIGS[.
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/// TS 36.211 v13.13.0 Table 4.2-1.
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uint32_t ss_config;
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/// Set to true when the fields have been configured, otherwise false.
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bool configured;
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} srsran_tdd_config_t;
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/// TDD uplink-downlink subframe types.
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typedef enum SRSRAN_API {
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/// Subframe is reserved for downlink transmissions.
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SRSRAN_TDD_SF_D = 0,
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/// Subframe is reserved for uplink transmissions.
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SRSRAN_TDD_SF_U = 1,
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/// Special subframe.
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SRSRAN_TDD_SF_S = 2,
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} srsran_tdd_sf_t;
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typedef struct {
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uint8_t mbsfn_area_id;
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uint8_t non_mbsfn_region_length;
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uint8_t mbsfn_mcs;
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bool enable;
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bool is_mcch;
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} srsran_mbsfn_cfg_t;
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// Common cell constant properties that require object reconfiguration
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typedef struct SRSRAN_API {
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uint32_t nof_prb;
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uint32_t nof_ports;
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uint32_t id;
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srsran_cp_t cp;
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srsran_phich_length_t phich_length;
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srsran_phich_r_t phich_resources;
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srsran_frame_type_t frame_type;
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} srsran_cell_t;
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// Common downlink properties that may change every subframe
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typedef struct SRSRAN_API {
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srsran_tdd_config_t tdd_config;
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uint32_t tti;
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uint32_t cfi;
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srsran_sf_t sf_type;
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uint32_t non_mbsfn_region;
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} srsran_dl_sf_cfg_t;
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typedef struct SRSRAN_API {
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srsran_tdd_config_t tdd_config;
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uint32_t tti;
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bool shortened;
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} srsran_ul_sf_cfg_t;
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typedef enum SRSRAN_API {
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SRSRAN_TM1 = 0,
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SRSRAN_TM2,
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SRSRAN_TM3,
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SRSRAN_TM4,
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SRSRAN_TM5,
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SRSRAN_TM6,
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SRSRAN_TM7,
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SRSRAN_TM8,
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SRSRAN_TMINV // Invalid Transmission Mode
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} srsran_tm_t;
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typedef enum SRSRAN_API {
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SRSRAN_TXSCHEME_PORT0,
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SRSRAN_TXSCHEME_DIVERSITY,
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SRSRAN_TXSCHEME_SPATIALMUX,
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SRSRAN_TXSCHEME_CDD
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} srsran_tx_scheme_t;
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typedef enum SRSRAN_API { SRSRAN_MIMO_DECODER_ZF, SRSRAN_MIMO_DECODER_MMSE } srsran_mimo_decoder_t;
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/*!
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* \brief Types of modulations and associated modulation order.
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*/
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typedef enum SRSRAN_API {
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SRSRAN_MOD_BPSK = 0, /*!< \brief BPSK. */
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SRSRAN_MOD_QPSK, /*!< \brief QPSK. */
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SRSRAN_MOD_16QAM, /*!< \brief QAM16. */
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SRSRAN_MOD_64QAM, /*!< \brief QAM64. */
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SRSRAN_MOD_256QAM, /*!< \brief QAM256. */
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SRSRAN_MOD_NITEMS
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} srsran_mod_t;
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typedef enum {
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SRSRAN_DCI_FORMAT0 = 0,
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SRSRAN_DCI_FORMAT1,
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SRSRAN_DCI_FORMAT1A,
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SRSRAN_DCI_FORMAT1B,
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SRSRAN_DCI_FORMAT1C,
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SRSRAN_DCI_FORMAT1D,
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SRSRAN_DCI_FORMAT2,
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SRSRAN_DCI_FORMAT2A,
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SRSRAN_DCI_FORMAT2B,
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// SRSRAN_DCI_FORMAT3,
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// SRSRAN_DCI_FORMAT3A,
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SRSRAN_DCI_FORMATN0,
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SRSRAN_DCI_FORMATN1,
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SRSRAN_DCI_FORMATN2,
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SRSRAN_DCI_FORMAT_RAR, // Not a real LTE format. Used internally to indicate RAR grant
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SRSRAN_DCI_NOF_FORMATS
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} srsran_dci_format_t;
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typedef enum {
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SRSRAN_PUCCH_ACK_NACK_FEEDBACK_MODE_NORMAL = 0, /* No cell selection no pucch3 */
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SRSRAN_PUCCH_ACK_NACK_FEEDBACK_MODE_CS,
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SRSRAN_PUCCH_ACK_NACK_FEEDBACK_MODE_PUCCH3,
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SRSRAN_PUCCH_ACK_NACK_FEEDBACK_MODE_ERROR,
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} srsran_ack_nack_feedback_mode_t;
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typedef struct SRSRAN_API {
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int id;
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float fd;
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} srsran_earfcn_t;
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enum band_geographical_area {
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SRSRAN_BAND_GEO_AREA_ALL,
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SRSRAN_BAND_GEO_AREA_NAR,
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SRSRAN_BAND_GEO_AREA_APAC,
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SRSRAN_BAND_GEO_AREA_EMEA,
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SRSRAN_BAND_GEO_AREA_JAPAN,
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SRSRAN_BAND_GEO_AREA_CALA,
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SRSRAN_BAND_GEO_AREA_NA
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};
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///< NB-IoT specific structs
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typedef enum {
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SRSRAN_NBIOT_MODE_INBAND_SAME_PCI = 0,
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SRSRAN_NBIOT_MODE_INBAND_DIFFERENT_PCI,
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SRSRAN_NBIOT_MODE_GUARDBAND,
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SRSRAN_NBIOT_MODE_STANDALONE,
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SRSRAN_NBIOT_MODE_N_ITEMS,
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} srsran_nbiot_mode_t;
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typedef struct SRSRAN_API {
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srsran_cell_t base; // the umbrella or super cell
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uint32_t nbiot_prb; // the index of the NB-IoT PRB within the cell
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uint32_t n_id_ncell;
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uint32_t nof_ports; // The number of antenna ports for NB-IoT
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bool is_r14; // Whether the cell is a R14 cell
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srsran_nbiot_mode_t mode;
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} srsran_nbiot_cell_t;
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#define SRSRAN_NBIOT_MAX_PORTS 2
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#define SRSRAN_NBIOT_MAX_CODEWORDS SRSRAN_MAX_CODEWORDS
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#define SRSRAN_SF_LEN_PRB_NBIOT (SRSRAN_SF_LEN_PRB(1))
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#define SRSRAN_SF_LEN_RE_NBIOT (SRSRAN_SF_LEN_RE(1, SRSRAN_CP_NORM))
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#define SRSRAN_NBIOT_FFT_SIZE 128
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#define SRSRAN_NBIOT_FREQ_SHIFT_FACTOR ((float)-0.5)
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#define SRSRAN_NBIOT_NUM_RX_ANTENNAS 1
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#define SRSRAN_NBIOT_MAX_PRB 1
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#define SRSRAN_NBIOT_DEFAULT_NUM_PRB_BASECELL 1
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#define SRSRAN_NBIOT_DEFAULT_PRB_OFFSET 0
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#define SRSRAN_DEFAULT_MAX_FRAMES_NPBCH 500
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#define SRSRAN_DEFAULT_MAX_FRAMES_NPSS 20
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#define SRSRAN_DEFAULT_NOF_VALID_NPSS_FRAMES 20
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#define SRSRAN_NBIOT_NPBCH_NOF_TOTAL_BITS (1600) ///< Number of bits for the entire NPBCH (See 36.211 Sec 10.2.4.1)
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#define SRSRAN_NBIOT_NPBCH_NOF_BITS_SF \
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(SRSRAN_NBIOT_NPBCH_NOF_TOTAL_BITS / 8) ///< The NPBCH is transmitted in 8 blocks (See 36.211 Sec 10.2.4.4)
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#define SRSRAN_MAX_DL_BITS_CAT_NB1 (680) ///< TS 36.306 v15.4.0 Table 4.1C-1
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///< PHY common function declarations
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SRSRAN_API bool srsran_cell_isvalid(srsran_cell_t* cell);
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SRSRAN_API void srsran_cell_fprint(FILE* stream, srsran_cell_t* cell, uint32_t sfn);
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SRSRAN_API bool srsran_cellid_isvalid(uint32_t cell_id);
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SRSRAN_API bool srsran_nofprb_isvalid(uint32_t nof_prb);
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/**
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* Returns the subframe type for a given subframe number and a TDD configuration.
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* Check TS 36.211 v8.9.0 Table 4.2-2.
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*
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* @param tdd_config TDD configuration.
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* @param sf_idx Subframe number, must be in range [0,SRSRAN_NOF_SF_X_FRAME[.
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* @return Returns the subframe type.
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*/
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SRSRAN_API srsran_tdd_sf_t srsran_sfidx_tdd_type(srsran_tdd_config_t tdd_config, uint32_t sf_idx);
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/**
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* Returns the number of UpPTS symbols in a subframe.
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* Check TS 36.211 v13.13.0 Table 4.2-1.
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*
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* @param tdd_config TDD configuration.
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* @return Returns the number of UpPTS symbols.
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*/
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SRSRAN_API uint32_t srsran_sfidx_tdd_nof_up(srsran_tdd_config_t tdd_config);
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/**
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* Returns the number of GP symbols in a subframe.
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* Check TS 36.211 v13.13.0 Table 4.2-1.
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*
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* @param tdd_config TDD configuration.
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* @return Returns the number of GP symbols.
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*/
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SRSRAN_API uint32_t srsran_sfidx_tdd_nof_gp(srsran_tdd_config_t tdd_config);
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/**
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* Returns the number of DwPTS symbols in a subframe.
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* Check TS 36.211 v13.13.0 Table 4.2-1.
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*
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* @param tdd_config TDD configuration.
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* @return Returns the number of DwPTS symbols.
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*/
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SRSRAN_API uint32_t srsran_sfidx_tdd_nof_dw(srsran_tdd_config_t tdd_config);
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SRSRAN_API uint32_t srsran_tdd_nof_harq(srsran_tdd_config_t tdd_config);
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SRSRAN_API uint32_t srsran_sfidx_tdd_nof_dw_slot(srsran_tdd_config_t tdd_config, uint32_t slot, srsran_cp_t cp);
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SRSRAN_API bool srsran_sfidx_isvalid(uint32_t sf_idx);
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SRSRAN_API bool srsran_portid_isvalid(uint32_t port_id);
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SRSRAN_API bool srsran_N_id_2_isvalid(uint32_t N_id_2);
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SRSRAN_API bool srsran_N_id_1_isvalid(uint32_t N_id_1);
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SRSRAN_API bool srsran_symbol_sz_isvalid(uint32_t symbol_sz);
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SRSRAN_API int srsran_symbol_sz(uint32_t nof_prb);
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SRSRAN_API int srsran_symbol_sz_power2(uint32_t nof_prb);
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SRSRAN_API int srsran_nof_prb(uint32_t symbol_sz);
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SRSRAN_API uint32_t srsran_max_cce(uint32_t nof_prb);
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SRSRAN_API int srsran_sampling_freq_hz(uint32_t nof_prb);
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SRSRAN_API void srsran_use_standard_symbol_size(bool enabled);
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SRSRAN_API bool srsran_symbol_size_is_standard();
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SRSRAN_API uint32_t srsran_re_x_prb(uint32_t ns, uint32_t symbol, uint32_t nof_ports, uint32_t nof_symbols);
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SRSRAN_API uint32_t srsran_voffset(uint32_t symbol_id, uint32_t cell_id, uint32_t nof_ports);
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SRSRAN_API int srsran_group_hopping_f_gh(uint32_t f_gh[SRSRAN_NSLOTS_X_FRAME], uint32_t cell_id);
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SRSRAN_API uint32_t srsran_N_ta_new_rar(uint32_t ta);
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SRSRAN_API uint32_t srsran_N_ta_new(uint32_t N_ta_old, uint32_t ta);
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SRSRAN_API float srsran_coderate(uint32_t tbs, uint32_t nof_re);
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SRSRAN_API char* srsran_cp_string(srsran_cp_t cp);
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SRSRAN_API srsran_mod_t srsran_str2mod(const char* mod_str);
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SRSRAN_API char* srsran_mod_string(srsran_mod_t mod);
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SRSRAN_API uint32_t srsran_mod_bits_x_symbol(srsran_mod_t mod);
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SRSRAN_API uint8_t srsran_band_get_band(uint32_t dl_earfcn);
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SRSRAN_API bool srsran_band_is_tdd(uint32_t band);
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SRSRAN_API double srsran_band_fd(uint32_t dl_earfcn);
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SRSRAN_API double srsran_band_fu(uint32_t ul_earfcn);
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SRSRAN_API uint32_t srsran_band_ul_earfcn(uint32_t dl_earfcn);
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SRSRAN_API int
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srsran_band_get_fd_band(uint32_t band, srsran_earfcn_t* earfcn, int earfcn_start, int earfcn_end, uint32_t max_elems);
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SRSRAN_API int srsran_band_get_fd_band_all(uint32_t band, srsran_earfcn_t* earfcn, uint32_t max_nelems);
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SRSRAN_API int
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srsran_band_get_fd_region(enum band_geographical_area region, srsran_earfcn_t* earfcn, uint32_t max_elems);
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SRSRAN_API int srsran_str2mimotype(char* mimo_type_str, srsran_tx_scheme_t* type);
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SRSRAN_API char* srsran_mimotype2str(srsran_tx_scheme_t mimo_type);
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/* Returns the interval tti1-tti2 mod 10240 */
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SRSRAN_API uint32_t srsran_tti_interval(uint32_t tti1, uint32_t tti2);
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SRSRAN_API uint32_t srsran_print_check(char* s, size_t max_len, uint32_t cur_len, const char* format, ...);
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SRSRAN_API bool srsran_nbiot_cell_isvalid(srsran_nbiot_cell_t* cell);
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SRSRAN_API bool srsran_nbiot_portid_isvalid(uint32_t port_id);
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SRSRAN_API float srsran_band_fu_nbiot(uint32_t ul_earfcn, const float m_ul);
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SRSRAN_API char* srsran_nbiot_mode_string(srsran_nbiot_mode_t mode);
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/**
|
|
* Returns a constant string pointer with the ACK/NACK feedback mode
|
|
*
|
|
* @param ack_nack_feedback_mode Mode
|
|
* @return Returns constant pointer with the text of the mode if succesful, `error` otherwise
|
|
*/
|
|
SRSRAN_API const char* srsran_ack_nack_feedback_mode_string(srsran_ack_nack_feedback_mode_t ack_nack_feedback_mode);
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|
|
/**
|
|
* Returns a constant string pointer with the ACK/NACK feedback mode
|
|
*
|
|
* @param ack_nack_feedback_mode Mode
|
|
* @return Returns constant pointer with the text of the mode if succesful, `error` otherwise
|
|
*/
|
|
SRSRAN_API srsran_ack_nack_feedback_mode_t srsran_string_ack_nack_feedback_mode(const char* str);
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|
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/**
|
|
* Returns the number of bits for Rank Indicador reporting depending on the cell
|
|
*
|
|
* @param cell
|
|
*/
|
|
SRSRAN_API uint32_t srsran_ri_nof_bits(const srsran_cell_t* cell);
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|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
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#endif // SRSRAN_PHY_COMMON_H
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