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Merge remote-tracking branch 'origin/refactor-ulsch' into integration_2025_w33 (!3521)

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Refactor ULSCH scheduler towards more TDD pattern flexibility

Refactors ULSCH scheduler, notably to support "UL-heavy" TDD patterns,
e.g., DSUUU. Also allows to run TDD pattern2 with UL slots, which was a
limitation in the previous code.
This commit is contained in:
Robert Schmidt
2025-08-14 14:30:58 +02:00
parent f08710a524 e0c1f8d920
commit 47a961d876
147 changed files with 1019 additions and 1172 deletions
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openair2/GNB_APP/RRC_nr_paramsvalues.h
+1 -1
View File
@@ -228,7 +228,7 @@
{GNB_CONFIG_STRING_PREAMBLERECEIVEDTARGETPOWER,NULL,0,.i64ptr=&scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.preambleReceivedTargetPower,.defint64val=-118,TYPE_INT64,0/*75*/},\
{GNB_CONFIG_STRING_PREAMBLETRANSMAX,NULL,0,.i64ptr=&scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.preambleTransMax,.defint64val=NR_RACH_ConfigGeneric__preambleTransMax_n10,TYPE_INT64,0/*76*/},\
{GNB_CONFIG_STRING_POWERRAMPINGSTEP,NULL,0,.i64ptr=&scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.powerRampingStep,.defint64val=NR_RACH_ConfigGeneric__powerRampingStep_dB2,TYPE_INT64,0/*77*/},\
{GNB_CONFIG_STRING_RARESPONSEWINDOW,NULL,0,.i64ptr=&scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.ra_ResponseWindow,.defint64val=NR_RACH_ConfigGeneric__ra_ResponseWindow_sl20,TYPE_INT64,0/*78*/},\
{GNB_CONFIG_STRING_RARESPONSEWINDOW,NULL,0,.i64ptr=&scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.ra_ResponseWindow,.defint64val=-1,TYPE_INT64,0/*78*/},\
{GNB_CONFIG_STRING_SSBPERRACHOCCASIONANDCBPREAMBLESPERSSBPR,NULL,0,.uptr=&scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ssb_perRACH_OccasionAndCB_PreamblesPerSSB->present,.defuintval=NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR_one,TYPE_UINT,0/*79*/},\
{GNB_CONFIG_STRING_SSBPERRACHOCCASIONANDCBPREAMBLESPERSSB,NULL,0,.i64ptr=&scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ssb_perRACH_OccasionAndCB_PreamblesPerSSB->choice.one,.defint64val=NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB__one_n64,TYPE_INT64,0 /*80*/}, \
{GNB_CONFIG_STRING_RACONTENTIONRESOLUTIONTIMER,NULL,0,.i64ptr=&scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ra_ContentionResolutionTimer,.defint64val=NR_RACH_ConfigCommon__ra_ContentionResolutionTimer_sf64,TYPE_INT64,0/*81*/},\
openair2/GNB_APP/gnb_config.c
+11 -7
View File
@@ -575,6 +575,14 @@ void fix_scc(NR_ServingCellConfigCommon_t *scc, uint64_t ssbmap)
rach_ConfigCommon->msg3_transformPrecoder = NULL;
}
// by default, select ra_ResponseWindow automatically
if (rach_ConfigCommon->rach_ConfigGeneric.ra_ResponseWindow < 0) {
int mu = *scc->ssbSubcarrierSpacing;
// will select: mu=0 => 4 (10 slots), mu=1 => 5 (20 slots), mu>=3 => 7 (80 slots)
rach_ConfigCommon->rach_ConfigGeneric.ra_ResponseWindow = min(NR_RACH_ConfigGeneric__ra_ResponseWindow_sl80, NR_RACH_ConfigGeneric__ra_ResponseWindow_sl10 + mu);
}
DevAssert(rach_ConfigCommon->rach_ConfigGeneric.ra_ResponseWindow >= 0);
// prepare DL Allocation lists
nr_rrc_config_dl_tda(dlcc->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList,
frame_type,
@@ -1157,7 +1165,7 @@ bool is_pattern2_config(paramdef_t *param)
return true;
}
static NR_ServingCellConfigCommon_t *get_scc_config(configmodule_interface_t *cfg, int minRXTXTIME)
static NR_ServingCellConfigCommon_t *get_scc_config(configmodule_interface_t *cfg, int minRXTXTIME, int do_SRS)
{
NR_ServingCellConfigCommon_t *scc = calloc_or_fail(1, sizeof(*scc));
uint64_t ssb_bitmap=0xff;
@@ -1198,10 +1206,6 @@ static NR_ServingCellConfigCommon_t *get_scc_config(configmodule_interface_t *cf
struct NR_TDD_UL_DL_ConfigCommon *tdd = scc->tdd_UL_DL_ConfigurationCommon;
tdd->pattern2 = calloc_or_fail(1, sizeof(*tdd->pattern2));
*scc->tdd_UL_DL_ConfigurationCommon->pattern2 = p2;
AssertFatal(p2.nrofUplinkSlots ^ scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSlots,
"UL slots in pattern1 (%ld) and pattern2 (%ld) are mutually exclusive (e.g. DDDFUU DDDD, DDDD DDDFUU)\n",
scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSlots,
p2.nrofUplinkSlots);
}
struct NR_FrequencyInfoDL *frequencyInfoDL = scc->downlinkConfigCommon->frequencyInfoDL;
LOG_I(RRC,
@@ -1223,7 +1227,7 @@ static NR_ServingCellConfigCommon_t *get_scc_config(configmodule_interface_t *cf
check_ssb_raster(ssb_freq, *frequencyInfoDL->frequencyBandList.list.array[0], *scc->ssbSubcarrierSpacing);
fix_scc(scc, ssb_bitmap);
}
nr_rrc_config_ul_tda(scc, minRXTXTIME);
nr_rrc_config_ul_tda(scc, minRXTXTIME, do_SRS);
// the gNB uses the servingCellConfigCommon everywhere, even when it should use the servingCellConfigCommonSIB.
// previously (before this commit), the following fields were indirectly populated through get_SIB1_NR().
@@ -1688,7 +1692,7 @@ void RCconfig_nr_macrlc(configmodule_interface_t *cfg)
config.num_agg_level_candidates[PDCCH_AGG_LEVEL8],
config.num_agg_level_candidates[PDCCH_AGG_LEVEL16]);
NR_ServingCellConfigCommon_t *scc = get_scc_config(cfg, config.minRXTXTIME);
NR_ServingCellConfigCommon_t *scc = get_scc_config(cfg, config.minRXTXTIME, config.do_SRS);
//xer_fprint(stdout, &asn_DEF_NR_ServingCellConfigCommon, scc);
NR_ServingCellConfig_t *scd = get_scd_config(cfg);