From 4b021014da07b8a0f9796f19321b1d4436bfd3ed Mon Sep 17 00:00:00 2001 From: Francesco Mani Date: Tue, 15 Dec 2020 11:31:04 +0100 Subject: [PATCH] scheduling msg2 in fr2 according to beam --- openair1/SCHED_NR/phy_procedures_nr_gNB.c | 2 +- openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c | 62 +++++++++---------- 2 files changed, 29 insertions(+), 35 deletions(-) diff --git a/openair1/SCHED_NR/phy_procedures_nr_gNB.c b/openair1/SCHED_NR/phy_procedures_nr_gNB.c index d884555c42..060440ff0a 100644 --- a/openair1/SCHED_NR/phy_procedures_nr_gNB.c +++ b/openair1/SCHED_NR/phy_procedures_nr_gNB.c @@ -137,7 +137,7 @@ void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame, int slot) { LOG_W(PHY,"beamforming currently not supported for more than one SSB per slot\n"); } else if (ssb_per_slot==1) { - LOG_I(PHY,"slot %d, ssb_index %d, beam %d\n",slot,ssb_index,cfg->ssb_table.ssb_beam_id_list[ssb_index].beam_id.value); + LOG_D(PHY,"slot %d, ssb_index %d, beam %d\n",slot,ssb_index,cfg->ssb_table.ssb_beam_id_list[ssb_index].beam_id.value); for (int j=0;jsymbols_per_slot;j++) gNB->common_vars.beam_id[0][slot*fp->symbols_per_slot+j] = cfg->ssb_table.ssb_beam_id_list[ssb_index].beam_id.value; } diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c index 44c6275cd1..a853d07363 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c @@ -349,7 +349,8 @@ void nr_schedule_msg2(uint16_t rach_frame, uint16_t rach_slot, uint16_t *msg2_frame, uint16_t *msg2_slot, NR_ServingCellConfigCommon_t *scc, uint16_t monitoring_slot_period, - uint16_t monitoring_offset,uint8_t index,uint8_t num_active_ssb){ + uint16_t monitoring_offset,uint8_t beam_index, + int16_t *tdd_beam_association){ // preferentially we schedule the msg2 in the mixed slot or in the last dl slot // if they are allowed by search space configuration @@ -366,38 +367,6 @@ void nr_schedule_msg2(uint16_t rach_frame, uint16_t rach_slot, if ((scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofDownlinkSymbols > 0) || (scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSymbols > 0)) tdd_period_slot++; - - // computing start of next period - /* - int FR = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0] >= 257 ? nr_FR2 : nr_FR1; - uint8_t start_next_period; - - if (FR==nr_FR1) { - start_next_period = (rach_slot-(rach_slot%tdd_period_slot)+tdd_period_slot)%nr_slots_per_frame[mu]; - *msg2_slot = start_next_period + last_dl_slot_period; // initializing scheduling of slot to next mixed (or last dl) slot - *msg2_frame = (*msg2_slot>(rach_slot))? rach_frame : (rach_frame +1); - } - else { - // in FR2 we need to wait till the second half frame for msg2 since all beams are taken in first half frame by SSBs - if (rach_slot<30) start_next_period = 40; - else start_next_period = 50; - *msg2_slot = start_next_period; - *msg2_frame = (*msg2_slot>(rach_slot))? rach_frame : (rach_frame +1); - } - - */ - uint8_t start_next_period = (rach_slot-(rach_slot%tdd_period_slot)+tdd_period_slot)%nr_slots_per_frame[mu]; - *msg2_slot = start_next_period + last_dl_slot_period; // initializing scheduling of slot to next mixed (or last dl) slot - *msg2_frame = (*msg2_slot>(rach_slot))? rach_frame : (rach_frame +1); - - // we can't schedule msg2 before sl_ahead since prach - int eff_slot = *msg2_slot+(*msg2_frame-rach_frame)*nr_slots_per_frame[mu]; - if ((eff_slot-rach_slot)<=sl_ahead) { - *msg2_slot = (*msg2_slot+tdd_period_slot)%nr_slots_per_frame[mu]; - *msg2_frame = (*msg2_slot>(rach_slot))? rach_frame : (rach_frame +1); - } - - switch(response_window){ case NR_RACH_ConfigGeneric__ra_ResponseWindow_sl1: slot_window = 1; @@ -432,6 +401,31 @@ void nr_schedule_msg2(uint16_t rach_frame, uint16_t rach_slot, uint8_t slot_limit = (rach_slot + slot_window)%nr_slots_per_frame[mu]; uint8_t frame_limit = (slot_limit>(rach_slot))? rach_frame : (rach_frame +1); + // computing start of next period + + int FR = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0] >= 257 ? nr_FR2 : nr_FR1; + + uint8_t start_next_period = (rach_slot-(rach_slot%tdd_period_slot)+tdd_period_slot)%nr_slots_per_frame[mu]; + *msg2_slot = start_next_period + last_dl_slot_period; // initializing scheduling of slot to next mixed (or last dl) slot + *msg2_frame = (*msg2_slot>(rach_slot))? rach_frame : (rach_frame +1); + + // we can't schedule msg2 before sl_ahead since prach + int eff_slot = *msg2_slot+(*msg2_frame-rach_frame)*nr_slots_per_frame[mu]; + if ((eff_slot-rach_slot)<=sl_ahead) { + *msg2_slot = (*msg2_slot+tdd_period_slot)%nr_slots_per_frame[mu]; + *msg2_frame = (*msg2_slot>(rach_slot))? rach_frame : (rach_frame +1); + } + if (FR==nr_FR2) { + int num_tdd_period = *msg2_slot/tdd_period_slot; + while((tdd_beam_association[num_tdd_period]!=-1)&&(tdd_beam_association[num_tdd_period]!=beam_index)) { + *msg2_slot = (*msg2_slot+tdd_period_slot)%nr_slots_per_frame[mu]; + *msg2_frame = (*msg2_slot>(rach_slot))? rach_frame : (rach_frame +1); + num_tdd_period = *msg2_slot/tdd_period_slot; + } + if(tdd_beam_association[num_tdd_period] == -1) + tdd_beam_association[num_tdd_period] = beam_index; + } + // go to previous slot if the current scheduled slot is beyond the response window // and if the slot is not among the PDCCH monitored ones (38.213 10.1) while (((*msg2_slot>slot_limit)&&(*msg2_frame>frame_limit)) || ((*msg2_frame*nr_slots_per_frame[mu]+*msg2_slot-monitoring_offset)%monitoring_slot_period !=0)) { @@ -524,7 +518,7 @@ void nr_initiate_ra_proc(module_id_t module_idP, &monitoring_slot_period, &monitoring_offset); - nr_schedule_msg2(frameP, slotP, &msg2_frame, &msg2_slot, scc, monitoring_slot_period, monitoring_offset,beam_index,cc->num_active_ssb); + nr_schedule_msg2(frameP, slotP, &msg2_frame, &msg2_slot, scc, monitoring_slot_period, monitoring_offset,beam_index,nr_mac->tdd_beam_association); ra->Msg2_frame = msg2_frame; ra->Msg2_slot = msg2_slot;