diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c index 55275e5ed7..a1e63d6e74 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c @@ -104,7 +104,7 @@ static int16_t ssb_index_from_prach(module_id_t module_idP, int config_period = cc->prach_info.x; // 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 = - (((frameP % (cc->max_association_period * config_period)) / config_period) * cc->total_prach_occasions_per_config_period) + (((frameP % (cc->association_period * config_period)) / config_period) * cc->total_prach_occasions_per_config_period) + (RA_sfn_index + slot_index) * cc->prach_info.N_t_slot * fdm + start_symbol_index * fdm + freq_index; //one SSB have more than one continuous RO @@ -194,8 +194,8 @@ void find_SSB_and_RO_available(gNB_MAC_INST *nrmac) // so that a pattern between PRACH occasions and SS/PBCH block indexes repeats at most every 160 msec int total_RA_occasions = 0; for (int i = 1; (1 << (i - 1)) <= prach_info.max_association_period; i++) { - cc->max_association_period = (1 << (i - 1)); - int temp_RA_occasions = cc->total_prach_occasions_per_config_period * cc->max_association_period; + cc->association_period = (1 << (i - 1)); + int temp_RA_occasions = cc->total_prach_occasions_per_config_period * cc->association_period; if(temp_RA_occasions >= (int) (num_active_ssb / num_ssb_per_RO)) { total_RA_occasions = temp_RA_occasions; repetition = (uint16_t)((total_RA_occasions * num_ssb_per_RO) / num_active_ssb); @@ -215,7 +215,7 @@ void find_SSB_and_RO_available(gNB_MAC_INST *nrmac) cc->total_prach_occasions, cc->num_active_ssb, unused_RA_occasion, - cc->max_association_period, + cc->association_period, prach_info.N_RA_sfn, cc->total_prach_occasions_per_config_period); } @@ -408,7 +408,7 @@ void schedule_nr_prach(module_id_t module_idP, frame_t frameP, slot_t slotP) nfapi_nr_prach_pdu_t *prach_pdu = &newpdu->prach_pdu; for (int td_index = 0; td_index < N_t_slot; td_index++) { uint32_t config_period = cc->prach_info.x; - prach_occasion_id = (((frameP % (cc->max_association_period * config_period))/config_period) * cc->total_prach_occasions_per_config_period) + + prach_occasion_id = (((frameP % (cc->association_period * config_period))/config_period) * cc->total_prach_occasions_per_config_period) + (RA_sfn_index + slot_index) * N_t_slot * fdm + td_index * fdm + fdm_index; if (prach_occasion_id >= cc->total_prach_occasions) // to be confirmed: unused occasion? diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h index 1a4ea9f3af..9035901456 100644 --- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h +++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h @@ -319,7 +319,7 @@ typedef struct { //Total available prach occasions int total_prach_occasions; //Max Association period - int max_association_period; + int association_period; //SSB index uint8_t ssb_index[MAX_NUM_OF_SSB]; //CB preambles for each SSB