From f6a1c1883fff899d054de26d576beb29c17416fb Mon Sep 17 00:00:00 2001 From: rmagueta Date: Wed, 10 Mar 2021 19:13:29 +0000 Subject: [PATCH] Add support for PUSCH scheduled by RAR when BWPStart>0 --- openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c | 4 ++-- openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c | 2 +- openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c | 10 ++++++---- openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c | 3 ++- 4 files changed, 11 insertions(+), 8 deletions(-) diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c index 42d6cfad7a..cc088a36d6 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c @@ -326,7 +326,7 @@ void nr_ulsch_extract_rbs_single(int32_t **rxdataF, #endif uint8_t is_dmrs_re; - start_re = (frame_parms->first_carrier_offset + (pusch_pdu->rb_start * NR_NB_SC_PER_RB))%frame_parms->ofdm_symbol_size; + start_re = (frame_parms->first_carrier_offset + (pusch_pdu->rb_start + pusch_pdu->bwp_start) * NR_NB_SC_PER_RB)%frame_parms->ofdm_symbol_size; nb_re_pusch = NR_NB_SC_PER_RB * pusch_pdu->rb_size; #ifdef __AVX2__ int nb_re_pusch2 = nb_re_pusch + (nb_re_pusch&7); @@ -1174,7 +1174,7 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, } - bwp_start_subcarrier = (rel15_ul->rb_start*NR_NB_SC_PER_RB + frame_parms->first_carrier_offset) % frame_parms->ofdm_symbol_size; + bwp_start_subcarrier = ((rel15_ul->rb_start + rel15_ul->bwp_start)*NR_NB_SC_PER_RB + frame_parms->first_carrier_offset) % frame_parms->ofdm_symbol_size; dmrs_symbol_flag = ((rel15_ul->ul_dmrs_symb_pos)>>symbol)&0x01; diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c index 4a9a81f657..160134d329 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c @@ -137,7 +137,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE, uint8_t mod_order = pusch_pdu->qam_mod_order; uint16_t rnti = pusch_pdu->rnti; uint8_t cdm_grps_no_data = pusch_pdu->num_dmrs_cdm_grps_no_data; - uint16_t start_sc = frame_parms->first_carrier_offset + start_rb*NR_NB_SC_PER_RB; + uint16_t start_sc = frame_parms->first_carrier_offset + (start_rb+pusch_pdu->bwp_start)*NR_NB_SC_PER_RB; if (start_sc >= frame_parms->ofdm_symbol_size) start_sc -= frame_parms->ofdm_symbol_size; diff --git a/openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c b/openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c index d60fc55090..ff3aece24b 100644 --- a/openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c +++ b/openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c @@ -495,11 +495,13 @@ int nr_config_pusch_pdu(NR_UE_MAC_INST_t *mac, int ibwp_size = NRRIV2BW(scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE); // BWP start selection according to 8.3 of TS 38.213 - pusch_config_pdu->bwp_size = ibwp_size; - if ((ibwp_start < abwp_start) || (ibwp_size > abwp_size)) + if ((ibwp_start < abwp_start) || (ibwp_size > abwp_size)) { pusch_config_pdu->bwp_start = abwp_start; - else + pusch_config_pdu->bwp_size = abwp_size; + } else { pusch_config_pdu->bwp_start = ibwp_start; + pusch_config_pdu->bwp_size = ibwp_size; + } //// Resource assignment from RAR // Frequency domain allocation according to 8.3 of TS 38.213 @@ -513,7 +515,7 @@ int nr_config_pusch_pdu(NR_UE_MAC_INST_t *mac, return -1; // virtual resource block to physical resource mapping for Msg3 PUSCH (6.3.1.7 in 38.211) - pusch_config_pdu->rb_start += ibwp_start - abwp_start; + //pusch_config_pdu->rb_start += ibwp_start - abwp_start; // Time domain allocation SLIV2SL(startSymbolAndLength, &StartSymbolIndex, &NrOfSymbols); diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c index b7614034de..5f5a92bc6a 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c @@ -791,7 +791,8 @@ void nr_add_msg3(module_id_t module_idP, int CC_id, frame_t frameP, sub_frame_t pusch_pdu->dmrs_ports = 1; // 6.2.2 in 38.214 only port 0 to be used pusch_pdu->num_dmrs_cdm_grps_no_data = 2; // no data in dmrs symbols as in 6.2.2 in 38.214 pusch_pdu->resource_alloc = 1; //type 1 - pusch_pdu->rb_start = ra->msg3_first_rb + ibwp_start - abwp_start; // as for 6.3.1.7 in 38.211 + //pusch_pdu->rb_start = ra->msg3_first_rb + ibwp_start - abwp_start; // as for 6.3.1.7 in 38.211 + pusch_pdu->rb_start = ra->msg3_first_rb; if (ra->msg3_nb_rb > pusch_pdu->bwp_size) AssertFatal(1==0,"MSG3 allocated number of RBs exceed the BWP size\n"); else