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Resolving ra-rnti miss-match

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kn.raju
2020-07-31 17:19:45 +05:30
parent ccc143d6f6
commit 201ab3eb11
1 changed files with 6 additions and 9 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+6 -9
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@@ -94,17 +94,16 @@ int16_t ssb_index_from_prach(module_id_t module_idP,
&N_dur, &N_dur,
&RA_sfn_index, &RA_sfn_index,
&N_RA_slot); &N_RA_slot);
uint8_t index ,slot_index = 0; uint8_t index = 0,slot_index = 0;
for (slot_index = 0;slot_index < N_RA_slot; slot_index++) { for (slot_index = 0;slot_index < N_RA_slot; slot_index++) {
if (N_RA_slot <= 1) { //1 PRACH slot in a subframe if (N_RA_slot <= 1) { //1 PRACH slot in a subframe
if((mu == 1) || (mu == 3)) if((mu == 1) || (mu == 3))
slot_index = 1; //For scs = 30khz and 120khz slot_index = 1; //For scs = 30khz and 120khz
} }
for (index=0; index<N_t_slot; index++) { for (int i=0; i< N_t_slot; i++) {
start_symbol = start_symbol + index * N_dur + 14 * slot_index; temp_start_symbol = (start_symbol + i * N_dur + 14 * slot_index) % 14;
temp_start_symbol = start_symbol % 14;
if(symbol == temp_start_symbol) { if(symbol == temp_start_symbol) {
start_symbol_index = index; start_symbol_index = i;
break; break;
} }
} }
@@ -114,7 +113,6 @@ int16_t ssb_index_from_prach(module_id_t module_idP,
slot_index = 0; //For scs = 30khz and 120khz slot_index = 0; //For scs = 30khz and 120khz
} }
index = 0;
// prach_occasion_id = subframe_index * N_t_slot * N_RA_slot * fdm + N_RA_slot_index * N_t_slot * fdm + freq_index + fdm * start_symbol_index; // prach_occasion_id = subframe_index * N_t_slot * N_RA_slot * fdm + N_RA_slot_index * N_t_slot * fdm + freq_index + fdm * start_symbol_index;
prach_occasion_id = (RA_sfn_index + slot_index) * N_t_slot * fdm + start_symbol_index * fdm + freq_index; prach_occasion_id = (RA_sfn_index + slot_index) * N_t_slot * fdm + start_symbol_index * fdm + freq_index;
//one RO is shared by one or more SSB //one RO is shared by one or more SSB
@@ -246,10 +244,9 @@ void schedule_nr_prach(module_id_t module_idP, frame_t frameP, sub_frame_t slotP
N_RA_slot = 1; //For scs = 30khz and 120khz N_RA_slot = 1; //For scs = 30khz and 120khz
} }
// start_symbol = start_symbol + N_t_slot * N_dur + 14 * N_RA_slot; // start_symbol = start_symbol_from_configuration + N_t_slot * N_dur + 14 * N_RA_slot;
for (int index=0; index<N_t_slot; index++) { for (int index=0; index<N_t_slot; index++) {
start_symbol = start_symbol + index * N_dur + 14 * N_RA_slot; temp_start_symbol = (start_symbol + index * N_dur + 14 * N_RA_slot) % 14;
temp_start_symbol = start_symbol % 14;
UL_tti_req->SFN = frameP; UL_tti_req->SFN = frameP;
UL_tti_req->Slot = slotP; UL_tti_req->Slot = slotP;