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ULSCH scheduler fix when using transform precoding

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Bug in ULSCH scheduler for transform precoding. It ignores transform precoding specific tables when building ul_pf_tbs.
This commit is contained in:
francescomani
2024-10-09 09:45:01 +02:00
parent e15fa14c57
commit a6f03b3f79
1 changed files with 4 additions and 4 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+4 -4
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@@ -1754,7 +1754,7 @@ static bool allocate_ul_retransmission(gNB_MAC_INST *nrmac,
return true; return true;
} }
uint32_t ul_pf_tbs[3][29]; // pre-computed, approximate TBS values for PF coefficient uint32_t ul_pf_tbs[5][29]; // pre-computed, approximate TBS values for PF coefficient
typedef struct UEsched_s { typedef struct UEsched_s {
float coef; float coef;
NR_UE_info_t * UE; NR_UE_info_t * UE;
@@ -2221,11 +2221,11 @@ nr_pp_impl_ul nr_init_fr1_ulsch_preprocessor(int CC_id)
* which should approximately(!) give us the TBsize. In particular, the * which should approximately(!) give us the TBsize. In particular, the
* number of symbols, the number of DMRS symbols, and the exact Qm and R, are * number of symbols, the number of DMRS symbols, and the exact Qm and R, are
* not correct*/ * not correct*/
for (int mcsTableIdx = 0; mcsTableIdx < 3; ++mcsTableIdx) { for (int mcsTableIdx = 0; mcsTableIdx < 5; ++mcsTableIdx) {
for (int mcs = 0; mcs < 29; ++mcs) { for (int mcs = 0; mcs < 29; ++mcs) {
if (mcs > 27 && mcsTableIdx == 1) if (mcs > 27 && (mcsTableIdx == 1 || mcsTableIdx == 3 || mcsTableIdx == 4))
continue; continue;
const uint8_t Qm = nr_get_Qm_dl(mcs, mcsTableIdx); const uint8_t Qm = nr_get_Qm_ul(mcs, mcsTableIdx);
const uint16_t R = nr_get_code_rate_ul(mcs, mcsTableIdx); const uint16_t R = nr_get_code_rate_ul(mcs, mcsTableIdx);
/* note: we do not update R/Qm based on low MCS or pi2BPSK */ /* note: we do not update R/Qm based on low MCS or pi2BPSK */
ul_pf_tbs[mcsTableIdx][mcs] = nr_compute_tbs(Qm, ul_pf_tbs[mcsTableIdx][mcs] = nr_compute_tbs(Qm,