maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'origin/benetel_5g_prach_fix' into benetel_phase_rotation

Browse Source
This commit is contained in:
Florian Kaltenberger
2020-10-30 12:30:25 +01:00
parent c737ea2f8f 8ba0d28ace
commit 0609742e21
7 changed files with 75 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+12 -2
View File
@@ -421,14 +421,24 @@ void nr_initiate_ra_proc(module_id_t module_idP,
uint8_t ul_carrier_id = 0; // 0 for NUL 1 for SUL
NR_SearchSpace_t *ss;
// ra_rnti from 5.1.3 in 38.321
uint16_t ra_rnti=1+symbol+(slotP*14)+(freq_index*14*80)+(ul_carrier_id*14*80*8);
int UE_id = 0;
uint16_t msg2_frame, msg2_slot,monitoring_slot_period,monitoring_offset;
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;
NR_RA_t *ra = &cc->ra[0];
uint16_t ra_rnti;
// ra_rnti from 5.1.3 in 38.321
// FK: in case of long PRACH the phone seems to expect the subframe number instead of the slot number here.
if (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.present==NR_RACH_ConfigCommon__prach_RootSequenceIndex_PR_l839)
ra_rnti=1+symbol+(9/*slotP*/*14)+(freq_index*14*80)+(ul_carrier_id*14*80*8);
else
ra_rnti=1+symbol+(slotP*14)+(freq_index*14*80)+(ul_carrier_id*14*80*8);
// if the preamble received correspond to one of the listed
// the UE sent a RACH either for starting RA procedure or RA procedure failed and UE retries
int pr_found=0;