From 1f1d40591eb180338a71e07097b6e91d7935a0ab Mon Sep 17 00:00:00 2001 From: francescomani Date: Wed, 18 Aug 2021 17:37:18 +0200 Subject: [PATCH] fix PRB allocation for UE-specific DLSCH --- openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c index bfdb1a01e3..7bcb669010 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c @@ -451,7 +451,7 @@ bool allocate_dl_retransmission(module_id_t module_id, &RC.nrmac[module_id]->common_channels[0].ServingCellConfigCommon->downlinkConfigCommon->initialDownlinkBWP->genericParameters; const uint16_t bwpSize = NRRIV2BW(genericParameters->locationAndBandwidth, MAX_BWP_SIZE); - int rbStart = NRRIV2PRBOFFSET(genericParameters->locationAndBandwidth, MAX_BWP_SIZE); + int rbStart = 0; // start wrt BWPstart NR_pdsch_semi_static_t *ps = &sched_ctrl->pdsch_semi_static; const long f = sched_ctrl->search_space->searchSpaceType->choice.ue_Specific->dci_Formats; @@ -641,7 +641,7 @@ void pf_dl(module_id_t module_id, &scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters; const uint16_t bwpSize = NRRIV2BW(genericParameters->locationAndBandwidth,MAX_BWP_SIZE); - int rbStart = NRRIV2PRBOFFSET(genericParameters->locationAndBandwidth, MAX_BWP_SIZE); + int rbStart = 0; // start wrt BWPstart /* Find a free CCE */ bool freeCCE = find_free_CCE(module_id, slot, UE_id); @@ -731,14 +731,18 @@ void nr_fr1_dlsch_preprocessor(module_id_t module_id, frame_t frame, sub_frame_t sched_ctrl->active_bwp->bwp_Common->genericParameters.locationAndBandwidth: scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE); + const uint16_t BWPStart = NRRIV2PRBOFFSET(sched_ctrl->active_bwp ? + sched_ctrl->active_bwp->bwp_Common->genericParameters.locationAndBandwidth: + scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.locationAndBandwidth, + MAX_BWP_SIZE); uint16_t *vrb_map = RC.nrmac[module_id]->common_channels[CC_id].vrb_map; uint8_t rballoc_mask[bwpSize]; int n_rb_sched = 0; - for (int i = 0; i < bwpSize; i++) { + for (int i = BWPStart; i < bwpSize; i++) { // calculate mask: init with "NOT" vrb_map: // if any RB in vrb_map is blocked (1), the current RBG will be 0 - rballoc_mask[i] = !vrb_map[i]; + rballoc_mask[i-BWPStart] = !vrb_map[i]; n_rb_sched += rballoc_mask[i]; }