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Introduced RA type @ UE

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- whether it is 2-step or 4-step RA
- added checks on CFRA and 2-step RA pointer members
- introduced enum and PRACH resources struct member
This commit is contained in:
cig
2020-12-27 19:28:47 +01:00
parent 1d2d96f34e
commit ef1deccef8
2 changed files with 22 additions and 3 deletions
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openair1/PHY/defs_nr_common.h
+7
View File
@@ -154,6 +154,11 @@ typedef enum {
MOD_QAM256
}nr_mod_t;
typedef enum {
RA_2STEP = 0,
RA_4STEP
} nr_ra_type_e;
typedef struct {
/// Size of first RBG
uint8_t start_size;
@@ -221,6 +226,8 @@ typedef struct {
uint8_t RA_PREAMBLE_BACKOFF;
///
uint8_t RA_SCALING_FACTOR_BI;
/// Indicating whether it is 2-step or 4-step RA
uint8_t RA_TYPE;
///
uint8_t RA_PCMAX;
/// Corresponding RA-RNTI for UL-grant
openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c
+15 -3
View File
@@ -106,9 +106,20 @@ void nr_get_prach_resources(module_id_t mod_id,
// - available SSB with SS-RSRP above rsrp-ThresholdSSB: SSB selection
// - available CSI-RS with CSI-RSRP above rsrp-ThresholdCSI-RS: CSI-RS selection
// - network controlled Mobility
uint8_t cfra_ssb_resource_idx = 0;
prach_resources->ra_PreambleIndex = rach_ConfigDedicated->cfra->resources.choice.ssb->ssb_ResourceList.list.array[cfra_ssb_resource_idx]->ra_PreambleIndex;
LOG_D(MAC, "[RAPROC] - Selected RA preamble index %d for contention-free random access procedure... \n", prach_resources->ra_PreambleIndex);
if (rach_ConfigDedicated->cfra){
uint8_t cfra_ssb_resource_idx = 0;
prach_resources->ra_PreambleIndex = rach_ConfigDedicated->cfra->resources.choice.ssb->ssb_ResourceList.list.array[cfra_ssb_resource_idx]->ra_PreambleIndex;
LOG_D(MAC, "In %s: selected RA preamble index %d for contention-free random access procedure\n", __FUNCTION__, prach_resources->ra_PreambleIndex);
}
if (rach_ConfigDedicated->ext1){
if (rach_ConfigDedicated->ext1->cfra_TwoStep_r16){
LOG_D(MAC, "In %s: 2-step RA type...\n", __FUNCTION__);
prach_resources->RA_TYPE = RA_2STEP;
}
}
} else {
//////////* Contention-based RA preamble selection *//////////
// todo:
@@ -440,6 +451,7 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
prach_resources->RA_PREAMBLE_BACKOFF = 0;
prach_resources->RA_SCALING_FACTOR_BI = 1;
prach_resources->RA_PCMAX = 0; // currently hardcoded to 0
prach_resources->RA_TYPE = RA_4STEP;
payload = (uint8_t*) &mac->CCCH_pdu.payload;