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fixes nr_initiate_ra_proc()

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kn.raju
2021-02-12 08:31:30 +01:00
committed by Robert Schmidt
parent bf81ea19d3
commit 13e719d74a
1 changed files with 18 additions and 9 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+18 -9
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@@ -474,9 +474,23 @@ void nr_initiate_ra_proc(module_id_t module_idP,
gNB_MAC_INST *nr_mac = RC.nrmac[module_idP];
NR_COMMON_channels_t *cc = &nr_mac->common_channels[CC_id];
NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon;
for(int i=0; i<NR_NB_RA_PROC_MAX; i++) { // if the preamble received correspond to one of the listed
uint8_t total_RApreambles = 64;
uint8_t num_ssb_per_RO = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ssb_perRACH_OccasionAndCB_PreamblesPerSSB->present;
if( scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles != NULL)
total_RApreambles = *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles;
if(num_ssb_per_RO > 3) { /*num of ssb per RO >= 1*/
num_ssb_per_RO -= 3;
total_RApreambles = total_RApreambles/num_ssb_per_RO ;
}
for(int i=0; i<NR_NB_RA_PROC_MAX; i++) {
NR_RA_t *ra = &cc->ra[i];
if (ra->state == RA_IDLE) {
if((preamble_index < total_RApreambles) && (preamble_index > cc->cb_preambles_per_ssb) && (!ra->cfra)) continue;
uint16_t ra_rnti;
// ra_rnti from 5.1.3 in 38.321
@@ -494,8 +508,6 @@ void nr_initiate_ra_proc(module_id_t module_idP,
LOG_I(MAC, "[gNB %d][RAPROC] CC_id %d Frame %d, Slot %d Initiating RA procedure for preamble index %d\n", module_idP, CC_id, frameP, slotP, preamble_index);
if (ra->state == RA_IDLE) {
uint8_t beam_index = ssb_index_from_prach(module_idP,
frameP,
slotP,
@@ -505,14 +517,11 @@ void nr_initiate_ra_proc(module_id_t module_idP,
// the UE sent a RACH either for starting RA procedure or RA procedure failed and UE retries
if (ra->cfra) {
int pr_found=0;
if (preamble_index == ra->preambles.preamble_list[beam_index]) {
pr_found=1;
}
if (!pr_found) {
// if the preamble received correspond to one of the listed
if (!(preamble_index == ra->preambles.preamble_list[beam_index])) {
LOG_E(MAC, "[gNB %d][RAPROC] FAILURE: preamble %d does not correspond to any of the ones in rach_ConfigDedicated\n",
module_idP, preamble_index);
return; // if the PRACH preamble does not correspond to any of the ones sent through RRC abort RA proc
continue; // if the PRACH preamble does not correspond to any of the ones sent through RRC abort RA proc
}
}
int loop = 0;