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make relevant frame_structure functions common

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This commit is contained in:
francescomani
2025-02-12 11:49:43 +01:00
parent d0ba1a30e3
commit 74bcd9963d
11 changed files with 274 additions and 237 deletions
Download Patch File Download Diff File Expand all files Collapse all files
CMakeLists.txt
+2
View File
@@ -1366,6 +1366,7 @@ target_link_libraries(NR_L2_UE PRIVATE nr_nas)
add_library(MAC_NR_COMMON
${OPENAIR2_DIR}/LAYER2/NR_MAC_COMMON/nr_mac_common.c
${OPENAIR2_DIR}/LAYER2/NR_MAC_COMMON/nr_mac_common_tdd.c
${OPENAIR2_DIR}/LAYER2/NR_MAC_COMMON/nr_compute_tbs_common.c
)
target_link_libraries(MAC_NR_COMMON PRIVATE asn1_nr_rrc_hdrs asn1_lte_rrc_hdrs)
@@ -1891,6 +1892,7 @@ add_executable(nr-uesoftmodem
${OPENAIR_DIR}/radio/COMMON/common_lib.c
${OPENAIR_DIR}/radio/COMMON/record_player.c
${OPENAIR2_DIR}/LAYER2/NR_MAC_COMMON/nr_mac_common.c
${OPENAIR2_DIR}/LAYER2/NR_MAC_COMMON/nr_mac_common_tdd.c
${OPENAIR1_DIR}/PHY/TOOLS/phy_scope_interface.c
)
openair1/SIMULATION/NR_PHY/dlsim.c
+5 -1
View File
@@ -647,7 +647,11 @@ printf("%d\n", slot);
frame_structure_t frame_structure = {0};
frame_type_t frame_type = TDD;
config_frame_structure(mu, scc, get_tdd_period_idx(scc->tdd_UL_DL_ConfigurationCommon), frame_type, &frame_structure);
config_frame_structure(mu,
scc->tdd_UL_DL_ConfigurationCommon,
get_tdd_period_idx(scc->tdd_UL_DL_ConfigurationCommon),
frame_type,
&frame_structure);
AssertFatal(is_dl_slot(slot, &frame_structure), "The slot selected is not DL. Can't run DLSIM\n");
// TODO do a UECAP for phy-sim
openair1/SIMULATION/NR_PHY/ulsim.c
+5 -1
View File
@@ -628,7 +628,11 @@ int main(int argc, char *argv[])
frame_structure_t frame_structure = {0};
frame_type_t frame_type = TDD;
config_frame_structure(mu, scc, get_tdd_period_idx(scc->tdd_UL_DL_ConfigurationCommon), frame_type, &frame_structure);
config_frame_structure(mu,
scc->tdd_UL_DL_ConfigurationCommon,
get_tdd_period_idx(scc->tdd_UL_DL_ConfigurationCommon),
frame_type,
&frame_structure);
AssertFatal(is_ul_slot(slot, &frame_structure), "The slot selected is not UL. Can't run ULSIM\n");
// TODO do a UECAP for phy-sim
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
-2
View File
@@ -76,8 +76,6 @@ static const uint16_t symbol_ssb_E[64] = {8, 12, 16, 20, 32, 36, 40, 44,
288, 292, 296, 300, 312, 316, 320, 324, 344, 348, 352, 356, 368, 372, 376, 380,
400, 404, 408, 412, 424, 428, 432, 436, 456, 460, 464, 468, 480, 484, 488, 492};
const uint8_t nr_slots_per_frame[5] = {10, 20, 40, 80, 160};
// Table 6.3.3.1-5 (38.211) NCS for preamble formats with delta_f_RA = 1.25 KHz
static const uint16_t NCS_unrestricted_delta_f_RA_125[16] = {0, 13, 15, 18, 22, 26, 32, 38, 46, 59, 76, 93, 119, 167, 279, 419};
static const uint16_t NCS_restricted_TypeA_delta_f_RA_125[15] =
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
+10 -1
View File
@@ -65,9 +65,18 @@ int16_t fill_dmrs_mask(const NR_PDSCH_Config_t *pdsch_Config,
int length);
bool is_nr_DL_slot(NR_TDD_UL_DL_ConfigCommon_t *tdd_UL_DL_ConfigurationCommon, slot_t slotP);
bool is_nr_UL_slot(NR_TDD_UL_DL_ConfigCommon_t *tdd_UL_DL_ConfigurationCommon, slot_t slotP, frame_type_t frame_type);
bool is_ul_slot(const slot_t slot, const frame_structure_t *fs);
bool is_dl_slot(const slot_t slot, const frame_structure_t *fs);
bool is_mixed_slot(const slot_t slot, const frame_structure_t *fs);
int get_tdd_period_idx(NR_TDD_UL_DL_ConfigCommon_t *tdd);
void config_frame_structure(int mu,
NR_TDD_UL_DL_ConfigCommon_t *tdd_UL_DL_ConfigurationCommon,
uint8_t tdd_period,
uint8_t frame_type,
frame_structure_t *fs);
uint8_t compute_srs_resource_indicator(long *maxMIMO_Layers,
NR_PUSCH_Config_t *pusch_Config,
NR_SRS_Config_t *srs_config,
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common_tdd.c
+247
View File
@@ -0,0 +1,247 @@
/*
* 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
*/
#include "nr_mac_common.h"
#include "common/utils/nr/nr_common.h"
#include "nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h"
const uint8_t nr_slots_per_frame[5] = {10, 20, 40, 80, 160};
const float tdd_ms_period_pattern[] = {0.5, 0.625, 1.0, 1.25, 2.0, 2.5, 5.0, 10.0};
const float tdd_ms_period_ext[] = {3.0, 4.0};
/**
* @brief Retrieves the periodicity in milliseconds for the given TDD pattern
* depending on the presence of the extension
* @param pattern Pointer to the NR_TDD_UL_DL_Pattern_t pattern structure
* @return Periodicity value in milliseconds.
*/
static float get_tdd_periodicity(NR_TDD_UL_DL_Pattern_t *pattern)
{
if (!pattern->ext1) {
LOG_D(NR_MAC, "Setting TDD configuration period to dl_UL_TransmissionPeriodicity %ld\n", pattern->dl_UL_TransmissionPeriodicity);
return tdd_ms_period_pattern[pattern->dl_UL_TransmissionPeriodicity];
} else {
DevAssert(pattern->ext1->dl_UL_TransmissionPeriodicity_v1530 != NULL);
LOG_D(NR_MAC,
"Setting TDD configuration period to dl_UL_TransmissionPeriodicity_v1530 %ld\n",
*pattern->ext1->dl_UL_TransmissionPeriodicity_v1530);
return tdd_ms_period_ext[*pattern->ext1->dl_UL_TransmissionPeriodicity_v1530];
}
}
/**
* @brief Determines the TDD period index based on pattern periodicities
* @note Not applicabile to pattern extension
* @param tdd Pointer to the NR_TDD_UL_DL_ConfigCommon_t containing patterns
* @return Index of the TDD period in tdd_ms_period_pattern
*/
int get_tdd_period_idx(NR_TDD_UL_DL_ConfigCommon_t *tdd)
{
int tdd_period_idx = 0;
float pattern1_ms = get_tdd_periodicity(&tdd->pattern1);
float pattern2_ms = tdd->pattern2 ? get_tdd_periodicity(tdd->pattern2) : 0.0;
bool found_match = false;
// Find matching TDD period in the predefined list of periodicities
for (int i = 0; i < NFAPI_MAX_NUM_PERIODS; i++) {
if ((pattern1_ms + pattern2_ms) == tdd_ms_period_pattern[i]) {
tdd_period_idx = i;
LOG_I(NR_MAC,
"TDD period index = %d, based on the sum of dl_UL_TransmissionPeriodicity "
"from Pattern1 (%f ms) and Pattern2 (%f ms): Total = %f ms\n",
tdd_period_idx,
pattern1_ms,
pattern2_ms,
pattern1_ms + pattern2_ms);
found_match = true;
break;
}
}
// Assert if no match was found
AssertFatal(found_match, "The sum of pattern1_ms and pattern2_ms does not match any value in tdd_ms_period_pattern");
return tdd_period_idx;
}
/**
* @brief Configures the TDD period, including bitmap, in the frame structure
*
* This function sets the TDD period configuration for DL, UL, and mixed slots in
* the specified frame structure instance, according to the given pattern, and
* updates the bitmap.
*
* @param pattern NR_TDD_UL_DL_Pattern_t configuration containing TDD slots and symbols configuration
* @param fs frame_structure_t pointer
* @param curr_total_slot current position in the slot bitmap to start from
*
* @return Number of slots in the configured TDD period
*/
static uint8_t set_tdd_bmap_period(NR_TDD_UL_DL_Pattern_t *pattern, tdd_period_config_t *pc, int8_t curr_total_slot)
{
int8_t n_dl_slot = pattern->nrofDownlinkSlots;
int8_t n_ul_slot = pattern->nrofUplinkSlots;
int8_t n_dl_symbols = pattern->nrofDownlinkSymbols;
int8_t n_ul_symbols = pattern->nrofUplinkSymbols;
// Total slots in the period: if DL/UL symbols are present, is mixed slot
const bool has_mixed_slot = (n_ul_symbols + n_dl_symbols) > 0;
int8_t total_slot = has_mixed_slot ? n_dl_slot + n_ul_slot + 1 : n_dl_slot + n_ul_slot;
/** Update TDD period configuration:
* mixed slots with DL symbols are counted as DL slots
* mixed slots with UL symbols are counted as UL slots */
pc->num_dl_slots += (n_dl_slot + (n_dl_symbols > 0));
pc->num_ul_slots += (n_ul_slot + (n_ul_symbols > 0));
// Populate the slot bitmap for each slot in the TDD period
for (int i = 0; i < total_slot; i++) {
tdd_bitmap_t *bitmap = &pc->tdd_slot_bitmap[i + curr_total_slot];
if (i < n_dl_slot)
bitmap->slot_type = TDD_NR_DOWNLINK_SLOT;
else if ((i == n_dl_slot) && has_mixed_slot) {
bitmap->slot_type = TDD_NR_MIXED_SLOT;
bitmap->num_dl_symbols = n_dl_symbols;
bitmap->num_ul_symbols = n_ul_symbols;
} else if (n_ul_slot)
bitmap->slot_type = TDD_NR_UPLINK_SLOT;
}
LOG_I(NR_MAC,
"Set TDD configuration period to: %d DL slots, %d UL slots, %d slots per period (NR_TDD_UL_DL_Pattern is %d DL slots, %d "
"UL slots, %d DL symbols, %d UL symbols)\n",
pc->num_dl_slots,
pc->num_ul_slots,
total_slot,
n_dl_slot,
n_ul_slot,
n_dl_symbols,
n_ul_symbols);
return total_slot;
}
/**
* @brief Configures TDD patterns (1 or 2) in the frame structure
*
* This function sets up the TDD configuration in the frame structure by applying
* DL and UL patterns as defined in NR_TDD_UL_DL_ConfigCommon.
* It handles both TDD pattern1 and pattern2.
*
* @param tdd NR_TDD_UL_DL_ConfigCommon_t pointer containing pattern1 and pattern2
* @param fs Pointer to the frame structure to update with the configured TDD patterns.
*
* @return void
*/
static void config_tdd_patterns(NR_TDD_UL_DL_ConfigCommon_t *tdd, frame_structure_t *fs)
{
int num_of_patterns = 1;
uint8_t nb_slots_p2 = 0;
// Reset num dl/ul slots
tdd_period_config_t *pc = &fs->period_cfg;
pc->num_dl_slots = 0;
pc->num_ul_slots = 0;
// Pattern1
uint8_t nb_slots_p1 = set_tdd_bmap_period(&tdd->pattern1, pc, 0);
// Pattern2
if (tdd->pattern2) {
num_of_patterns++;
nb_slots_p2 = set_tdd_bmap_period(tdd->pattern2, pc, nb_slots_p1);
}
LOG_I(NR_MAC,
"Configured %d TDD patterns (total slots: pattern1 = %d, pattern2 = %d)\n",
num_of_patterns,
nb_slots_p1,
nb_slots_p2);
}
/**
* @brief Configures the frame structure and the NFAPI config request
* depending on the duplex mode. If TDD, does the TDD patterns
* and TDD periods configuration.
*
* @param mu numerology
* @param scc pointer to scc
* @param tdd_period TDD period
* @param frame_type type of frame structure (FDD or TDD)
* @param fs pointer to the frame structure to update
*/
void config_frame_structure(int mu,
NR_TDD_UL_DL_ConfigCommon_t *tdd_UL_DL_ConfigurationCommon,
uint8_t tdd_period,
uint8_t frame_type,
frame_structure_t *fs)
{
fs->numb_slots_frame = nr_slots_per_frame[mu];
fs->frame_type = frame_type;
if (frame_type == TDD) {
fs->numb_period_frame = get_nb_periods_per_frame(tdd_period);
fs->numb_slots_period = fs->numb_slots_frame / fs->numb_period_frame;
config_tdd_patterns(tdd_UL_DL_ConfigurationCommon, fs);
} else { // FDD
fs->numb_period_frame = 1;
fs->numb_slots_period = nr_slots_per_frame[mu];
}
AssertFatal(fs->numb_period_frame > 0, "Frame configuration cannot be configured!\n");
}
/**
* @brief Returns true for:
* (1) FDD
* (2) Mixed slot with UL symbols
* (3) Full UL slot
*/
bool is_ul_slot(const slot_t slot, const frame_structure_t *fs)
{
if (fs->frame_type == FDD)
return true;
const tdd_period_config_t *pc = &fs->period_cfg;
slot_t s = get_slot_idx_in_period(slot, fs);
return ((is_mixed_slot(s, fs) && pc->tdd_slot_bitmap[s].num_ul_symbols)
|| (pc->tdd_slot_bitmap[s].slot_type == TDD_NR_UPLINK_SLOT));
}
/**
* @brief Returns true for:
* (1) FDD
* (2) Mixed slot with DL symbols
* (3) Full DL slot
*/
bool is_dl_slot(const slot_t slot, const frame_structure_t *fs)
{
if (fs->frame_type == FDD)
return true;
const tdd_period_config_t *pc = &fs->period_cfg;
slot_t s = get_slot_idx_in_period(slot, fs);
return ((is_mixed_slot(s, fs) && pc->tdd_slot_bitmap[s].num_dl_symbols)
|| (pc->tdd_slot_bitmap[s].slot_type == TDD_NR_DOWNLINK_SLOT));
}
/**
* @brief Returns true for:
* (1) Mixed slot with DL and/or UL symbols
*/
bool is_mixed_slot(const slot_t slot, const frame_structure_t *fs)
{
if (fs->frame_type == FDD)
return false;
slot_t s = get_slot_idx_in_period(slot, fs);
const tdd_period_config_t *pc = &fs->period_cfg;
return pc->tdd_slot_bitmap[s].slot_type == TDD_NR_MIXED_SLOT;
}
openair2/LAYER2/NR_MAC_gNB/config.c
+5 -123
View File
@@ -279,97 +279,6 @@ nfapi_nr_pm_list_t init_DL_MIMO_codebook(gNB_MAC_INST *gNB, nr_pdsch_AntennaPort
return mat;
}
/**
* @brief Configures the TDD period, including bitmap, in the frame structure
*
* This function sets the TDD period configuration for DL, UL, and mixed slots in
* the specified frame structure instance, according to the given pattern, and
* updates the bitmap.
*
* @param pattern NR_TDD_UL_DL_Pattern_t configuration containing TDD slots and symbols configuration
* @param fs frame_structure_t pointer
* @param curr_total_slot current position in the slot bitmap to start from
*
* @return Number of slots in the configured TDD period
*/
static uint8_t set_tdd_bmap_period(NR_TDD_UL_DL_Pattern_t *pattern, tdd_period_config_t *pc, int8_t curr_total_slot)
{
int8_t n_dl_slot = pattern->nrofDownlinkSlots;
int8_t n_ul_slot = pattern->nrofUplinkSlots;
int8_t n_dl_symbols = pattern->nrofDownlinkSymbols;
int8_t n_ul_symbols = pattern->nrofUplinkSymbols;
// Total slots in the period: if DL/UL symbols are present, is mixed slot
const bool has_mixed_slot = (n_ul_symbols + n_dl_symbols) > 0;
int8_t total_slot = has_mixed_slot ? n_dl_slot + n_ul_slot + 1 : n_dl_slot + n_ul_slot;
/** Update TDD period configuration:
* mixed slots with DL symbols are counted as DL slots
* mixed slots with UL symbols are counted as UL slots */
pc->num_dl_slots += (n_dl_slot + (n_dl_symbols > 0));
pc->num_ul_slots += (n_ul_slot + (n_ul_symbols > 0));
// Populate the slot bitmap for each slot in the TDD period
for (int i = 0; i < total_slot; i++) {
tdd_bitmap_t *bitmap = &pc->tdd_slot_bitmap[i + curr_total_slot];
if (i < n_dl_slot)
bitmap->slot_type = TDD_NR_DOWNLINK_SLOT;
else if ((i == n_dl_slot) && has_mixed_slot) {
bitmap->slot_type = TDD_NR_MIXED_SLOT;
bitmap->num_dl_symbols = n_dl_symbols;
bitmap->num_ul_symbols = n_ul_symbols;
} else if (n_ul_slot)
bitmap->slot_type = TDD_NR_UPLINK_SLOT;
}
LOG_I(NR_MAC,
"Set TDD configuration period to: %d DL slots, %d UL slots, %d slots per period (NR_TDD_UL_DL_Pattern is %d DL slots, %d "
"UL slots, %d DL symbols, %d UL symbols)\n",
pc->num_dl_slots,
pc->num_ul_slots,
total_slot,
n_dl_slot,
n_ul_slot,
n_dl_symbols,
n_ul_symbols);
return total_slot;
}
/**
* @brief Configures TDD patterns (1 or 2) in the frame structure
*
* This function sets up the TDD configuration in the frame structure by applying
* DL and UL patterns as defined in NR_TDD_UL_DL_ConfigCommon.
* It handles both TDD pattern1 and pattern2.
*
* @param tdd NR_TDD_UL_DL_ConfigCommon_t pointer containing pattern1 and pattern2
* @param fs Pointer to the frame structure to update with the configured TDD patterns.
*
* @return void
*/
static void config_tdd_patterns(NR_TDD_UL_DL_ConfigCommon_t *tdd, frame_structure_t *fs)
{
int num_of_patterns = 1;
uint8_t nb_slots_p2 = 0;
// Reset num dl/ul slots
tdd_period_config_t *pc = &fs->period_cfg;
pc->num_dl_slots = 0;
pc->num_ul_slots = 0;
// Pattern1
uint8_t nb_slots_p1 = set_tdd_bmap_period(&tdd->pattern1, pc, 0);
// Pattern2
if (tdd->pattern2) {
num_of_patterns++;
nb_slots_p2 = set_tdd_bmap_period(tdd->pattern2, pc, nb_slots_p1);
}
LOG_I(NR_MAC,
"Configured %d TDD patterns (total slots: pattern1 = %d, pattern2 = %d)\n",
num_of_patterns,
nb_slots_p1,
nb_slots_p2);
}
/**
* @brief Get the first UL slot index in period
* @param fs frame structure
@@ -493,37 +402,6 @@ int get_ul_slot_offset(const frame_structure_t *fs, int idx, bool count_mixed)
return ul_slot_idxs[ul_slot_idx_in_period] + period_idx * fs->numb_slots_period;
}
/**
* @brief Configures the frame structure and the NFAPI config request
* depending on the duplex mode. If TDD, does the TDD patterns
* and TDD periods configuration.
*
* @param mu numerology
* @param scc pointer to scc
* @param tdd_period TDD period
* @param frame_type type of frame structure (FDD or TDD)
* @param fs pointer to the frame structure to update
*/
void config_frame_structure(int mu,
NR_ServingCellConfigCommon_t *scc,
uint8_t tdd_period,
uint8_t frame_type,
frame_structure_t *fs)
{
fs->numb_slots_frame = nr_slots_per_frame[mu];
if (frame_type == TDD) {
fs->numb_period_frame = get_nb_periods_per_frame(tdd_period);
fs->numb_slots_period = fs->numb_slots_frame / fs->numb_period_frame;
fs->frame_type = TDD;
config_tdd_patterns(scc->tdd_UL_DL_ConfigurationCommon, fs);
} else { // FDD
fs->frame_type = FDD;
fs->numb_period_frame = 1;
fs->numb_slots_period = fs->numb_slots_frame;
}
AssertFatal(fs->numb_period_frame > 0, "Frame configuration cannot be configured!\n");
}
static void config_common(gNB_MAC_INST *nrmac,
const nr_mac_config_t *config,
NR_ServingCellConfigCommon_t *scc)
@@ -820,7 +698,11 @@ static void config_common(gNB_MAC_INST *nrmac,
LOG_D(NR_MAC, "Setting TDD configuration period to %d\n", cfg->tdd_table.tdd_period.value);
}
frame_structure_t *fs = &nrmac->frame_structure;
config_frame_structure(mu, scc, cfg->tdd_table.tdd_period.value, cfg->cell_config.frame_duplex_type.value, fs);
config_frame_structure(mu,
scc->tdd_UL_DL_ConfigurationCommon,
cfg->tdd_table.tdd_period.value,
cfg->cell_config.frame_duplex_type.value,
fs);
if (cfg->cell_config.frame_duplex_type.value == TDD)
set_tdd_config_nr(cfg, fs);
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
-45
View File
@@ -118,51 +118,6 @@ static void clear_beam_information(NR_beam_info_t *beam_info, int frame, int slo
}
}
/**
* @brief Returns true for:
* (1) FDD
* (2) Mixed slot with UL symbols
* (3) Full UL slot
*/
bool is_ul_slot(const slot_t slot, const frame_structure_t *fs)
{
if (fs->frame_type == FDD)
return true;
const tdd_period_config_t *pc = &fs->period_cfg;
slot_t s = get_slot_idx_in_period(slot, fs);
return ((is_mixed_slot(s, fs) && pc->tdd_slot_bitmap[s].num_ul_symbols)
|| (pc->tdd_slot_bitmap[s].slot_type == TDD_NR_UPLINK_SLOT));
}
/**
* @brief Returns true for:
* (1) FDD
* (2) Mixed slot with DL symbols
* (3) Full DL slot
*/
bool is_dl_slot(const slot_t slot, const frame_structure_t *fs)
{
if (fs->frame_type == FDD)
return true;
const tdd_period_config_t *pc = &fs->period_cfg;
slot_t s = get_slot_idx_in_period(slot, fs);
return ((is_mixed_slot(s, fs) && pc->tdd_slot_bitmap[s].num_dl_symbols)
|| (pc->tdd_slot_bitmap[s].slot_type == TDD_NR_DOWNLINK_SLOT));
}
/**
* @brief Returns true for:
* (1) Mixed slot with DL and/or UL symbols
*/
bool is_mixed_slot(const slot_t slot, const frame_structure_t *fs)
{
if (fs->frame_type == FDD)
return false;
slot_t s = get_slot_idx_in_period(slot, fs);
const tdd_period_config_t *pc = &fs->period_cfg;
return pc->tdd_slot_bitmap[s].slot_type == TDD_NR_MIXED_SLOT;
}
/* the structure nfapi_nr_ul_tti_request_t is very big, let's copy only what is necessary */
static void copy_ul_tti_req(nfapi_nr_ul_tti_request_t *to, nfapi_nr_ul_tti_request_t *from)
{
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
-9
View File
@@ -39,11 +39,6 @@ void set_cset_offset(uint16_t);
void get_K1_K2(int N1, int N2, int *K1, int *K2, int layers);
int get_NTN_Koffset(const NR_ServingCellConfigCommon_t *scc);
void config_frame_structure(int mu,
NR_ServingCellConfigCommon_t *scc,
uint8_t tdd_period,
uint8_t frame_type,
frame_structure_t *fs);
int get_first_ul_slot(const frame_structure_t *fs, bool mixed);
int get_ul_slots_per_period(const frame_structure_t *fs);
int get_ul_slots_per_frame(const frame_structure_t *fs);
@@ -353,10 +348,6 @@ int nr_write_ce_dlsch_pdu(module_id_t module_idP,
int binomial(int n, int k);
bool is_ul_slot(const slot_t slot, const frame_structure_t *fs);
bool is_dl_slot(const slot_t slot, const frame_structure_t *fs);
bool is_mixed_slot(const slot_t slot, const frame_structure_t *fs);
/* \brief Function to indicate a received SDU on ULSCH.
@param Mod_id Instance ID of gNB
@param CC_id Component carrier index
openair2/RRC/NR/nr_rrc_config.c
-54
View File
@@ -983,60 +983,6 @@ void nr_rrc_config_dl_tda(struct NR_PDSCH_TimeDomainResourceAllocationList *pdsc
}
}
const float tdd_ms_period_pattern[] = {0.5, 0.625, 1.0, 1.25, 2.0, 2.5, 5.0, 10.0};
const float tdd_ms_period_ext[] = {3.0, 4.0};
/**
* @brief Retrieves the periodicity in milliseconds for the given TDD pattern
* depending on the presence of the extension
* @param pattern Pointer to the NR_TDD_UL_DL_Pattern_t pattern structure
* @return Periodicity value in milliseconds.
*/
static float get_tdd_periodicity(NR_TDD_UL_DL_Pattern_t *pattern) {
if (!pattern->ext1) {
LOG_D(NR_MAC, "Setting TDD configuration period to dl_UL_TransmissionPeriodicity %ld\n", pattern->dl_UL_TransmissionPeriodicity);
return tdd_ms_period_pattern[pattern->dl_UL_TransmissionPeriodicity];
} else {
DevAssert(pattern->ext1->dl_UL_TransmissionPeriodicity_v1530 != NULL);
LOG_D(NR_MAC,
"Setting TDD configuration period to dl_UL_TransmissionPeriodicity_v1530 %ld\n",
*pattern->ext1->dl_UL_TransmissionPeriodicity_v1530);
return tdd_ms_period_ext[*pattern->ext1->dl_UL_TransmissionPeriodicity_v1530];
}
}
/**
* @brief Determines the TDD period index based on pattern periodicities
* @note Not applicabile to pattern extension
* @param tdd Pointer to the NR_TDD_UL_DL_ConfigCommon_t containing patterns
* @return Index of the TDD period in tdd_ms_period_pattern
*/
int get_tdd_period_idx(NR_TDD_UL_DL_ConfigCommon_t *tdd)
{
int tdd_period_idx = 0;
float pattern1_ms = get_tdd_periodicity(&tdd->pattern1);
float pattern2_ms = tdd->pattern2 ? get_tdd_periodicity(tdd->pattern2) : 0.0;
bool found_match = false;
// Find matching TDD period in the predefined list of periodicities
for (int i = 0; i < NFAPI_MAX_NUM_PERIODS; i++) {
if ((pattern1_ms + pattern2_ms) == tdd_ms_period_pattern[i]) {
tdd_period_idx = i;
LOG_I(NR_MAC,
"TDD period index = %d, based on the sum of dl_UL_TransmissionPeriodicity "
"from Pattern1 (%f ms) and Pattern2 (%f ms): Total = %f ms\n",
tdd_period_idx,
pattern1_ms,
pattern2_ms,
pattern1_ms + pattern2_ms);
found_match = true;
break;
}
}
// Assert if no match was found
AssertFatal(found_match, "The sum of pattern1_ms and pattern2_ms does not match any value in tdd_ms_period_pattern");
return tdd_period_idx;
}
static struct NR_PUSCH_TimeDomainResourceAllocation *set_TimeDomainResourceAllocation(const int k2, uint8_t index, int ul_symb)
{
struct NR_PUSCH_TimeDomainResourceAllocation *puschTdrAlloc = calloc_or_fail(1, sizeof(*puschTdrAlloc));
openair2/RRC/NR/nr_rrc_config.h
-1
View File
@@ -112,6 +112,5 @@ NR_CellGroupConfig_t *get_default_secondaryCellGroup(const NR_ServingCellConfigC
int uid);
NR_ReconfigurationWithSync_t *get_reconfiguration_with_sync(rnti_t rnti, uid_t uid, const NR_ServingCellConfigCommon_t *scc);
int get_tdd_period_idx(NR_TDD_UL_DL_ConfigCommon_t *tdd);
#endif