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Change vrb_map_UL to rballoc_mask

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This commit is contained in:
ChiehChun
2021-02-07 10:39:40 +01:00
committed by Robert Schmidt
parent 2becbb9210
commit 5573b8e18c
1 changed files with 11 additions and 3 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+11 -3
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@@ -608,11 +608,19 @@ bool nr_simple_ulsch_preprocessor(module_id_t module_id,
sched_pusch->Qm <<= 1;
}
/* get first, largest unallocated region */
/* Change vrb_map_UL to rballoc_mask */
uint16_t *vrb_map_UL =
&RC.nrmac[module_id]->common_channels[CC_id].vrb_map_UL[sched_slot * MAX_BWP_SIZE];
int rbStart = NRRIV2PRBOFFSET(sched_ctrl->active_bwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
const uint16_t bwpSize = NRRIV2BW(sched_ctrl->active_ubwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
uint8_t rballoc_mask[bwpSize];
int n_rb_sched = 0;
for (int i = 0; i < bwpSize; i++) {
// calculate mask: init with "NOT" vrb_map_UL:
// if any RB in vrb_map_UL is blocked (1), the current RB will be 0
rballoc_mask[i] = !vrb_map_UL[i];
n_rb_sched += rballoc_mask[i];
}
while (rbStart < bwpSize && vrb_map_UL[rbStart]) rbStart++;
uint16_t rbSize = 4;
@@ -632,14 +640,14 @@ bool nr_simple_ulsch_preprocessor(module_id_t module_id,
0,
1 /* NrOfLayers */)
>> 3;
} while (rbStart + rbSize < bwpSize && !vrb_map_UL[rbStart+rbSize] &&
} while (rbStart + rbSize < bwpSize && rballoc_mask[rbStart+rbSize] &&
sched_pusch->tb_size < B);
LOG_D(MAC,"rbSize %d, TBS %d, est buf %d, sched_ul %d, B %d\n",
rbSize, sched_pusch->tb_size, sched_ctrl->estimated_ul_buffer, sched_ctrl->sched_ul_bytes, B);
/* mark the corresponding RBs as used */
for (int rb = 0; rb < sched_ctrl->sched_pusch.rbSize; rb++)
vrb_map_UL[rb + sched_ctrl->sched_pusch.rbStart] = 1;
rballoc_mask[rb + sched_ctrl->sched_pusch.rbStart] = 0;
return true;
}