23 #include <ns3/pointer.h>
26 #include <ns3/simulator.h>
27 #include <ns3/lte-amc.h>
28 #include <ns3/fdtbfq-ff-mac-scheduler.h>
29 #include <ns3/lte-vendor-specific-parameters.h>
30 #include <ns3/boolean.h>
31 #include <ns3/integer.h>
143 : m_scheduler (scheduler)
218 : m_cschedSapUser (0),
223 m_amc = CreateObject <LteAmc> ();
251 static TypeId tid =
TypeId (
"ns3::FdTbfqFfMacScheduler")
253 .AddConstructor<FdTbfqFfMacScheduler> ()
254 .AddAttribute (
"CqiTimerThreshold",
255 "The number of TTIs a CQI is valid (default 1000 - 1 sec.)",
258 MakeUintegerChecker<uint32_t> ())
259 .AddAttribute (
"DebtLimit",
260 "Flow debt limit (default -625000 bytes)",
263 MakeIntegerChecker<int> ())
264 .AddAttribute (
"CreditLimit",
265 "Flow credit limit (default 625000 bytes)",
268 MakeUintegerChecker<uint32_t> ())
269 .AddAttribute (
"TokenPoolSize",
270 "The maximum value of flow token pool (default 1 bytes)",
273 MakeUintegerChecker<uint32_t> ())
274 .AddAttribute (
"CreditableThreshold",
275 "Threshold of flow credit (default 0 bytes)",
278 MakeUintegerChecker<uint32_t> ())
280 .AddAttribute (
"HarqEnabled",
281 "Activate/Deactivate the HARQ [by default is active].",
284 MakeBooleanChecker ())
285 .AddAttribute (
"UlGrantMcs",
286 "The MCS of the UL grant, must be [0..15] (default 0)",
289 MakeUintegerChecker<uint8_t> ())
344 dlHarqPrcStatus.resize (8,0);
347 dlHarqProcessesTimer.resize (8,0);
350 dlHarqdci.resize (8);
353 dlHarqRlcPdu.resize (2);
354 dlHarqRlcPdu.at (0).resize (8);
355 dlHarqRlcPdu.at (1).resize (8);
359 ulHarqPrcStatus.resize (8,0);
362 ulHarqdci.resize (8);
377 std::map <uint16_t, fdtbfqsFlowPerf_t>::iterator it;
397 m_flowStatsDl.insert (std::pair<uint16_t, fdtbfqsFlowPerf_t> (params.
m_rnti, flowStatsDl));
408 m_flowStatsUl.insert (std::pair<uint16_t, fdtbfqsFlowPerf_t> (params.
m_rnti, flowStatsUl));
415 m_flowStatsDl[(*it).first].tokenGenerationRate = mbrDlInBytes;
416 m_flowStatsUl[(*it).first].tokenGenerationRate = mbrUlInBytes;
430 std::map<LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator it =
m_rlcBufferReq.begin ();
431 std::map<LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator temp;
466 std::map<LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator it =
m_rlcBufferReq.begin ();
467 std::map<LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator temp;
470 if ((*it).first.m_rnti == params.
m_rnti)
496 std::map <LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator it;
504 m_rlcBufferReq.insert (std::pair <LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters> (flow, params));
508 (*it).second = params;
533 for (
int i = 0; i < 4; i++)
548 std::map <LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator it;
552 if (((*it).first.m_rnti == rnti) && (((*it).second.m_rlcTransmissionQueueSize > 0)
553 || ((*it).second.m_rlcRetransmissionQueueSize > 0)
554 || ((*it).second.m_rlcStatusPduSize > 0) ))
558 if ((*it).first.m_rnti > rnti)
581 NS_FATAL_ERROR (
"No Process Id Statusfound for this RNTI " << rnti);
583 uint8_t i = (*it).second;
588 while ( ((*itStat).second.at (i) != 0)&&(i != (*it).second));
589 if ((*itStat).second.at (i) == 0)
620 NS_FATAL_ERROR (
"No Process Id Statusfound for this RNTI " << rnti);
622 uint8_t i = (*it).second;
627 while ( ((*itStat).second.at (i) != 0)&&(i != (*it).second));
628 if ((*itStat).second.at (i) == 0)
631 (*itStat).second.at (i) = 1;
635 NS_FATAL_ERROR (
"No HARQ process available for RNTI " << rnti <<
" check before update with HarqProcessAvailability");
638 return ((*it).second);
647 std::map <uint16_t, DlHarqProcessesTimer_t>::iterator itTimers;
656 NS_LOG_DEBUG (
this <<
" Reset HARQ proc " << i <<
" for RNTI " << (*itTimers).first);
657 std::map <uint16_t, DlHarqProcessesStatus_t>::iterator itStat =
m_dlHarqProcessesStatus.find ((*itTimers).first);
660 NS_FATAL_ERROR (
"No Process Id Status found for this RNTI " << (*itTimers).first);
662 (*itStat).second.at (i) = 0;
663 (*itTimers).second.at (i) = 0;
667 (*itTimers).second.at (i)++;
690 std::map <uint16_t, std::vector <uint16_t> > allocationMap;
691 std::vector <bool> rbgMap;
692 uint16_t rbgAllocatedNum = 0;
693 std::set <uint16_t> rntiAllocated;
698 std::map <uint16_t, uint8_t>::iterator itProcId;
701 (*itProcId).second = ((*itProcId).second + 1) %
HARQ_PROC_NUM;
706 uint16_t rbStart = 0;
707 std::vector <struct RachListElement_s>::iterator itRach;
712 newRar.
m_rnti = (*itRach).m_rnti;
716 newRar.m_grant.m_rnti = newRar.m_rnti;
719 uint16_t tbSizeBits = 0;
726 if (tbSizeBits < (*itRach).m_estimatedSize)
731 newRar.m_grant.m_rbStart = rbStart;
732 newRar.m_grant.m_rbLen = rbLen;
733 newRar.m_grant.m_tbSize = tbSizeBits / 8;
734 newRar.m_grant.m_hopping =
false;
735 newRar.m_grant.m_tpc = 0;
736 newRar.m_grant.m_cqiRequest =
false;
737 newRar.m_grant.m_ulDelay =
false;
738 NS_LOG_INFO (
this <<
" UL grant allocated to RNTI " << (*itRach).m_rnti <<
" rbStart " << rbStart <<
" rbLen " << rbLen <<
" MCS " <<
m_ulGrantMcs <<
" tbSize " << newRar.m_grant.m_tbSize);
739 for (uint16_t i = rbStart; i < rbStart + rbLen; i++)
743 rbStart = rbStart + rbLen;
749 uldci.
m_rnti = newRar.m_rnti;
768 std::map <uint16_t, uint8_t>::iterator itProcId;
774 harqId = (*itProcId).second;
780 (*itDci).second.at (harqId) = uldci;
795 NS_LOG_INFO (
this <<
" Received DL-HARQ feedback");
811 std::vector <struct DlInfoListElement_s> dlInfoListUntxed;
815 if (itRnti != rntiAllocated.end ())
821 std::vector <bool> retx;
822 NS_LOG_INFO (
this <<
" Processing DLHARQ feedback");
826 retx.push_back (
false);
833 if (retx.at (0) || retx.at (1))
838 NS_LOG_INFO (
this <<
" HARQ retx RNTI " << rnti <<
" harqId " << (uint16_t)harqId);
847 if (dci.
m_rv.size () == 1)
849 rv = dci.
m_rv.at (0);
853 rv = (dci.
m_rv.at (0) > dci.
m_rv.at (1) ? dci.
m_rv.at (0) : dci.
m_rv.at (1));
859 NS_LOG_INFO (
"Maximum number of retransmissions reached -> drop process");
865 (*it).second.at (harqId) = 0;
871 for (uint16_t k = 0; k < (*itRlcPdu).second.size (); k++)
873 (*itRlcPdu).second.at (k).at (harqId).clear ();
879 std::vector <int> dciRbg;
882 for (
int j = 0; j < 32; j++)
886 dciRbg.push_back (j);
892 for (uint8_t j = 0; j < dciRbg.size (); j++)
894 if (rbgMap.at (dciRbg.at (j)) ==
true)
904 for (uint8_t j = 0; j < dciRbg.size (); j++)
906 rbgMap.at (dciRbg.at (j)) =
true;
907 NS_LOG_INFO (
"RBG " << dciRbg.at (j) <<
" assigned");
911 NS_LOG_INFO (
this <<
" Send retx in the same RBGs");
917 uint8_t rbgId = (dciRbg.at (dciRbg.size () - 1) + 1) % rbgNum;
918 uint8_t startRbg = dciRbg.at (dciRbg.size () - 1);
919 std::vector <bool> rbgMapCopy = rbgMap;
920 while ((j < dciRbg.size ())&&(startRbg != rbgId))
922 if (rbgMapCopy.at (rbgId) ==
false)
924 rbgMapCopy.at (rbgId) =
true;
925 dciRbg.at (j) = rbgId;
930 if (j == dciRbg.size ())
933 uint32_t rbgMask = 0;
934 for (uint16_t k = 0; k < dciRbg.size (); k++)
936 rbgMask = rbgMask + (0x1 << dciRbg.at (k));
941 NS_LOG_INFO (
this <<
" Move retx in RBGs " << dciRbg.size ());
946 dlInfoListUntxed.push_back (params.
m_dlInfoList.at (i));
947 NS_LOG_INFO (
this <<
" No resource for this retx -> buffer it");
955 NS_FATAL_ERROR (
"Unable to find RlcPdcList in HARQ buffer for RNTI " << rnti);
957 for (uint8_t j = 0; j < nLayers; j++)
961 if (j >= dci.
m_ndi.size ())
964 dci.
m_ndi.push_back (0);
965 dci.
m_rv.push_back (0);
966 dci.
m_mcs.push_back (0);
968 NS_LOG_INFO (
this <<
" layer " << (uint16_t)j <<
" no txed (MIMO transition)");
972 dci.
m_ndi.at (j) = 0;
974 (*itHarq).second.at (harqId).m_rv.at (j)++;
975 NS_LOG_INFO (
this <<
" layer " << (uint16_t)j <<
" RV " << (uint16_t)dci.
m_rv.at (j));
981 dci.
m_ndi.at (j) = 0;
983 dci.
m_mcs.at (j) = 0;
985 NS_LOG_INFO (
this <<
" layer " << (uint16_t)j <<
" no retx");
988 for (uint16_t k = 0; k < (*itRlcPdu).second.at (0).at (dci.
m_harqProcess).size (); k++)
990 std::vector <struct RlcPduListElement_s> rlcPduListPerLc;
991 for (uint8_t j = 0; j < nLayers; j++)
995 if (j < dci.
m_ndi.size ())
997 rlcPduListPerLc.push_back ((*itRlcPdu).second.at (j).at (dci.
m_harqProcess).at (k));
1002 if (rlcPduListPerLc.size () > 0)
1009 (*itHarq).second.at (harqId).
m_rv = dci.
m_rv;
1014 NS_FATAL_ERROR (
"Unable to find HARQ timer for RNTI " << (uint16_t)rnti);
1016 (*itHarqTimer).second.at (harqId) = 0;
1018 rntiAllocated.insert (rnti);
1035 for (uint16_t k = 0; k < (*itRlcPdu).second.size (); k++)
1044 if (rbgAllocatedNum == rbgNum)
1055 std::map <uint16_t, fdtbfqsFlowPerf_t>::iterator itStats;
1058 if ( (*itStats).second.tokenGenerationRate / 1000 + (*itStats).second.tokenPoolSize > (*itStats).second.maxTokenPoolSize )
1060 (*itStats).second.counter += (*itStats).second.tokenGenerationRate / 1000 - ( (*itStats).second.maxTokenPoolSize - (*itStats).second.tokenPoolSize );
1061 (*itStats).second.tokenPoolSize = (*itStats).second.maxTokenPoolSize;
1062 bankSize += (*itStats).second.tokenGenerationRate / 1000 - ( (*itStats).second.maxTokenPoolSize - (*itStats).second.tokenPoolSize );
1066 (*itStats).second.tokenPoolSize += (*itStats).second.tokenGenerationRate / 1000;
1070 std::set <uint16_t> allocatedRnti;
1071 std::set <uint8_t> allocatedRbg;
1074 while (totalRbg < rbgNum)
1077 std::map <uint16_t, fdtbfqsFlowPerf_t>::iterator it;
1078 std::map <uint16_t, fdtbfqsFlowPerf_t>::iterator itMax =
m_flowStatsDl.end ();
1079 double metricMax = 0.0;
1080 bool firstRnti =
true;
1083 std::set <uint16_t>::iterator itRnti = rntiAllocated.find ((*it).first);
1087 if (itRnti != rntiAllocated.end ())
1089 NS_LOG_DEBUG (
this <<
" RNTI discared for HARQ tx" << (uint16_t)(*it).first);
1093 NS_LOG_DEBUG (
this <<
" RNTI discared for HARQ id" << (uint16_t)(*it).first);
1103 std::set <uint16_t>::iterator rnti;
1104 rnti = allocatedRnti.find((*it).first);
1105 if (rnti != allocatedRnti.end ())
1110 double metric = ( ( (double)(*it).second.counter ) / ( (double)(*it).second.tokenGenerationRate ) );
1112 if (firstRnti ==
true)
1119 if (metric > metricMax)
1133 allocatedRnti.insert((*itMax).first);
1136 uint32_t budget = 0;
1139 budget = (*itMax).second.counter - (*itMax).second.debtLimit;
1140 if ( budget > (*itMax).second.burstCredit )
1141 budget = (*itMax).second.burstCredit;
1145 budget = budget + (*itMax).second.tokenPoolSize;
1156 uint32_t rlcBufSize = 0;
1158 std::map<LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator itRlcBuf;
1161 if ( (*itRlcBuf).first.m_rnti == (*itMax).first )
1162 lcid = (*itRlcBuf).first.m_lcId;
1167 rlcBufSize = (*itRlcBuf).second.m_rlcTransmissionQueueSize + (*itRlcBuf).second.m_rlcRetransmissionQueueSize + (*itRlcBuf).second.m_rlcStatusPduSize;
1168 if ( budget > rlcBufSize )
1169 budget = rlcBufSize;
1173 uint32_t bytesTxed = 0;
1174 uint32_t bytesTxedTmp = 0;
1176 while ( bytesTxed <= budget )
1180 std::map <uint16_t,SbMeasResult_s>::iterator itCqi;
1182 std::map <uint16_t,uint8_t>::iterator itTxMode;
1186 NS_FATAL_ERROR (
"No Transmission Mode info on user " << (*it).first);
1191 double achievableRateMax = 0.0;
1193 for (
int k = 0; k < rbgNum; k++)
1195 std::set <uint8_t>::iterator rbg;
1196 rbg = allocatedRbg.find (k);
1197 if (rbg != allocatedRbg.end ())
1200 if ( rbgMap.at (k) ==
true)
1203 std::vector <uint8_t> sbCqi;
1206 for (uint8_t k = 0; k < nLayer; k++)
1208 sbCqi.push_back (1);
1213 sbCqi = (*itCqi).second.m_higherLayerSelected.at (k).m_sbCqi;
1215 uint8_t cqi1 = sbCqi.at (0);
1217 if (sbCqi.size () > 1)
1219 cqi2 = sbCqi.at (1);
1222 if ((cqi1 > 0)||(cqi2 > 0))
1227 double achievableRate = 0.0;
1228 for (uint8_t j = 0; j < nLayer; j++)
1231 if (sbCqi.size () > j)
1233 mcs =
m_amc->GetMcsFromCqi (sbCqi.at (j));
1240 achievableRate += ((
m_amc->GetTbSizeFromMcs (mcs, rbgSize) / 8) / 0.001);
1243 if ( achievableRate > achievableRateMax )
1245 achievableRateMax = achievableRate;
1252 if ( rbgIndex == rbgNum)
1261 allocatedRbg.insert (rbgIndex);
1265 std::map <uint16_t, std::vector <uint16_t> >::iterator itMap;
1266 itMap = allocationMap.find ((*itMax).first);
1267 uint16_t RbgPerRnti;
1268 if (itMap == allocationMap.end ())
1271 std::vector <uint16_t> tempMap;
1272 tempMap.push_back (rbgIndex);
1273 allocationMap.insert (std::pair <uint16_t, std::vector <uint16_t> > ((*itMax).first, tempMap));
1274 itMap = allocationMap.find ((*itMax).first);
1278 (*itMap).second.push_back (rbgIndex);
1280 rbgMap.at (rbgIndex) =
true;
1282 RbgPerRnti = (*itMap).second.size();
1285 std::vector <uint8_t> worstCqi (2, 15);
1288 for (uint16_t k = 0; k < (*itMap).second.size (); k++)
1290 if ((*itCqi).second.m_higherLayerSelected.size () > (*itMap).second.at (k))
1292 for (uint8_t j = 0; j < nLayer; j++)
1294 if ((*itCqi).second.m_higherLayerSelected.at ((*itMap).second.at (k)).m_sbCqi.size () > j)
1296 if (((*itCqi).second.m_higherLayerSelected.at ((*itMap).second.at (k)).m_sbCqi.at (j)) < worstCqi.at (j))
1298 worstCqi.at (j) = ((*itCqi).second.m_higherLayerSelected.at ((*itMap).second.at (k)).m_sbCqi.at (j));
1304 worstCqi.at (j) = 1;
1310 for (uint8_t j = 0; j < nLayer; j++)
1312 worstCqi.at (j) = 1;
1319 for (uint8_t j = 0; j < nLayer; j++)
1321 worstCqi.at (j) = 1;
1325 bytesTxedTmp = bytesTxed;
1327 for (uint8_t j = 0; j < nLayer; j++)
1329 int tbSize = (
m_amc->GetTbSizeFromMcs (
m_amc->GetMcsFromCqi (worstCqi.at (j)), RbgPerRnti * rbgSize) / 8);
1330 bytesTxed += tbSize;
1336 if ( bytesTxed > budget )
1338 std::map <uint16_t, std::vector <uint16_t> >::iterator itMap;
1339 itMap = allocationMap.find ((*itMax).first);
1340 (*itMap).second.pop_back ();
1341 allocatedRbg.erase (rbgIndex);
1342 bytesTxed = bytesTxedTmp;
1344 rbgMap.at (rbgIndex) =
false;
1348 if ( bytesTxed <= (*itMax).second.tokenPoolSize )
1350 (*itMax).second.tokenPoolSize -= bytesTxed;
1354 (*itMax).second.counter = (*itMax).second.counter - ( bytesTxed - (*itMax).second.tokenPoolSize );
1355 (*itMax).second.tokenPoolSize = 0;
1356 if (
bankSize <= ( bytesTxed - (*itMax).second.tokenPoolSize ))
1365 std::map <uint16_t, std::vector <uint16_t> >::iterator itMap = allocationMap.begin ();
1366 while (itMap != allocationMap.end ())
1370 newEl.
m_rnti = (*itMap).first;
1373 newDci.
m_rnti = (*itMap).first;
1381 lcActives = (uint16_t)65535;
1383 uint16_t RgbPerRnti = (*itMap).second.size ();
1384 std::map <uint16_t,SbMeasResult_s>::iterator itCqi;
1386 std::map <uint16_t,uint8_t>::iterator itTxMode;
1390 NS_FATAL_ERROR (
"No Transmission Mode info on user " << (*itMap).first);
1393 std::vector <uint8_t> worstCqi (2, 15);
1396 for (uint16_t k = 0; k < (*itMap).second.size (); k++)
1398 if ((*itCqi).second.m_higherLayerSelected.size () > (*itMap).second.at (k))
1400 NS_LOG_INFO (
this <<
" RBG " << (*itMap).second.at (k) <<
" CQI " << (uint16_t)((*itCqi).second.m_higherLayerSelected.at ((*itMap).second.at (k)).m_sbCqi.at (0)) );
1401 for (uint8_t j = 0; j < nLayer; j++)
1403 if ((*itCqi).second.m_higherLayerSelected.at ((*itMap).second.at (k)).m_sbCqi.size () > j)
1405 if (((*itCqi).second.m_higherLayerSelected.at ((*itMap).second.at (k)).m_sbCqi.at (j)) < worstCqi.at (j))
1407 worstCqi.at (j) = ((*itCqi).second.m_higherLayerSelected.at ((*itMap).second.at (k)).m_sbCqi.at (j));
1413 worstCqi.at (j) = 1;
1419 for (uint8_t j = 0; j < nLayer; j++)
1421 worstCqi.at (j) = 1;
1428 for (uint8_t j = 0; j < nLayer; j++)
1430 worstCqi.at (j) = 1;
1433 for (uint8_t j = 0; j < nLayer; j++)
1435 NS_LOG_INFO (
this <<
" Layer " << (uint16_t)j <<
" CQI selected " << (uint16_t)worstCqi.at (j));
1437 uint32_t bytesTxed = 0;
1438 for (uint8_t j = 0; j < nLayer; j++)
1440 newDci.
m_mcs.push_back (
m_amc->GetMcsFromCqi (worstCqi.at (j)));
1441 int tbSize = (
m_amc->GetTbSizeFromMcs (newDci.
m_mcs.at (j), RgbPerRnti * rbgSize) / 8);
1443 NS_LOG_INFO (
this <<
" Layer " << (uint16_t)j <<
" MCS selected" <<
m_amc->GetMcsFromCqi (worstCqi.at (j)));
1444 bytesTxed += tbSize;
1449 uint32_t rbgMask = 0;
1450 for (uint16_t k = 0; k < (*itMap).second.size (); k++)
1452 rbgMask = rbgMask + (0x1 << (*itMap).second.at (k));
1453 NS_LOG_INFO (
this <<
" Allocated RBG " << (*itMap).second.at (k));
1458 std::map <LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator itBufReq;
1461 if (((*itBufReq).first.m_rnti == (*itMap).first)
1462 && (((*itBufReq).second.m_rlcTransmissionQueueSize > 0)
1463 || ((*itBufReq).second.m_rlcRetransmissionQueueSize > 0)
1464 || ((*itBufReq).second.m_rlcStatusPduSize > 0) ))
1466 std::vector <struct RlcPduListElement_s> newRlcPduLe;
1467 for (uint8_t j = 0; j < nLayer; j++)
1473 newRlcPduLe.push_back (newRlcEl);
1481 NS_FATAL_ERROR (
"Unable to find RlcPdcList in HARQ buffer for RNTI " << (*itMap).first);
1483 (*itRlcPdu).second.at (j).at (newDci.
m_harqProcess).push_back (newRlcEl);
1488 if ((*itBufReq).first.m_rnti > (*itMap).first)
1493 for (uint8_t j = 0; j < nLayer; j++)
1495 newDci.
m_ndi.push_back (1);
1496 newDci.
m_rv.push_back (0);
1499 newEl.
m_dci = newDci;
1548 for (
unsigned int i = 0; i < params.
m_cqiList.size (); i++)
1553 std::map <uint16_t,uint8_t>::iterator it;
1554 uint16_t rnti = params.
m_cqiList.at (i).m_rnti;
1559 m_p10CqiRxed.insert ( std::pair<uint16_t, uint8_t > (rnti, params.
m_cqiList.at (i).m_wbCqi.at (0)) );
1566 (*it).second = params.
m_cqiList.at (i).m_wbCqi.at (0);
1568 std::map <uint16_t,uint32_t>::iterator itTimers;
1576 std::map <uint16_t,SbMeasResult_s>::iterator it;
1577 uint16_t rnti = params.
m_cqiList.at (i).m_rnti;
1582 m_a30CqiRxed.insert ( std::pair<uint16_t, SbMeasResult_s > (rnti, params.
m_cqiList.at (i).m_sbMeasResult) );
1588 (*it).second = params.
m_cqiList.at (i).m_sbMeasResult;
1589 std::map <uint16_t,uint32_t>::iterator itTimers;
1607 std::map <uint16_t, std::vector <double> >::iterator itCqi =
m_ueCqi.find (rnti);
1621 double sinr = (*itCqi).second.at (i);
1628 double estimatedSinr = (sinrNum > 0) ? (sinrSum / sinrNum) : DBL_MAX;
1630 (*itCqi).second.at (rb) = estimatedSinr;
1631 return (estimatedSinr);
1644 std::vector <bool> rbMap;
1645 uint16_t rbAllocatedNum = 0;
1646 std::set <uint16_t> rntiAllocated;
1647 std::vector <uint16_t> rbgAllocationMap;
1658 if (rbgAllocationMap.at (i) != 0)
1660 rbMap.at (i) =
true;
1669 for (uint16_t i = 0; i < params.
m_ulInfoList.size (); i++)
1678 NS_LOG_ERROR (
"No info find in HARQ buffer for UE (might change eNB) " << rnti);
1681 NS_LOG_INFO (
this <<
" UL-HARQ retx RNTI " << rnti <<
" harqId " << (uint16_t)harqId <<
" i " << i <<
" size " << params.
m_ulInfoList.size ());
1685 NS_LOG_ERROR (
"No info find in HARQ buffer for UE (might change eNB) " << rnti);
1692 NS_LOG_ERROR (
"No info find in HARQ buffer for UE (might change eNB) " << rnti);
1694 if ((*itStat).second.at (harqId) >= 3)
1696 NS_LOG_INFO (
"Max number of retransmissions reached (UL)-> drop process");
1702 if (rbMap.at (j) ==
true)
1713 rbMap.at (j) =
true;
1714 rbgAllocationMap.at (j) = dci.
m_rnti;
1722 NS_LOG_INFO (
"Cannot allocate retx due to RACH allocations for UE " << rnti);
1727 (*itStat).second.at ((*itProcId).second) = (*itStat).second.at (harqId) + 1;
1728 (*itStat).second.at (harqId) = 0;
1729 (*itHarq).second.at ((*itProcId).second) = dci;
1731 rntiAllocated.insert (dci.
m_rnti);
1740 std::map <uint16_t,uint32_t>::iterator it;
1745 std::set <uint16_t>::iterator itRnti = rntiAllocated.find ((*it).first);
1747 if (((*it).second > 0)&&(itRnti == rntiAllocated.end ()))
1771 int rbAllocated = 0;
1773 std::map <uint16_t, fdtbfqsFlowPerf_t>::iterator itStats;
1795 std::set <uint16_t>::iterator itRnti = rntiAllocated.find ((*it).first);
1796 if ((itRnti != rntiAllocated.end ())||((*it).second == 0))
1799 NS_LOG_DEBUG (
this <<
" UE already allocated in HARQ -> discared, RNTI " << (*it).first);
1821 uldci.
m_rnti = (*it).first;
1823 bool allocated =
false;
1824 NS_LOG_INFO (
this <<
" RB Allocated " << rbAllocated <<
" rbPerFlow " << rbPerFlow <<
" flows " << nflows);
1829 for (uint16_t j = rbAllocated; j < rbAllocated + rbPerFlow; j++)
1831 if (rbMap.at (j) ==
true)
1841 for (uint16_t j = rbAllocated; j < rbAllocated + rbPerFlow; j++)
1843 rbMap.at (j) =
true;
1845 rbgAllocationMap.at (j) = (*it).first;
1847 rbAllocated += rbPerFlow;
1878 std::map <uint16_t, std::vector <double> >::iterator itCqi =
m_ueCqi.find ((*it).first);
1888 double minSinr = (*itCqi).second.at (uldci.
m_rbStart);
1895 double sinr = (*itCqi).second.at (i);
1900 if ((*itCqi).second.at (i) < minSinr)
1902 minSinr = (*itCqi).second.at (i);
1907 double s = log2 ( 1 + (
1908 std::pow (10, minSinr / 10 ) /
1909 ( (-std::log (5.0 * 0.00005 )) / 1.5) ));
1910 cqi =
m_amc->GetCqiFromSpectralEfficiency (s);
1923 rbgAllocationMap.at (i) = 0;
1949 std::map <uint16_t, uint8_t>::iterator itProcId;
1955 harqId = (*itProcId).second;
1961 (*itDci).second.at (harqId) = uldci;
1964 NS_LOG_INFO (
this <<
" UE Allocation RNTI " << (*it).first <<
" startPRB " << (uint32_t)uldci.
m_rbStart <<
" nPRB " << (uint32_t)uldci.
m_rbLen <<
" CQI " << cqi <<
" MCS " << (uint32_t)uldci.
m_mcs <<
" TBsize " << uldci.
m_tbSize <<
" RbAlloc " << rbAllocated <<
" harqId " << (uint16_t)harqId);
2007 std::map <uint16_t,uint32_t>::iterator it;
2009 for (
unsigned int i = 0; i < params.
m_macCeList.size (); i++)
2020 uint32_t buffer = 0;
2021 for (uint8_t lcg = 0; lcg < 4; ++lcg)
2023 uint8_t bsrId = params.
m_macCeList.at (i).m_macCeValue.m_bufferStatus.at (lcg);
2028 NS_LOG_LOGIC (
this <<
"RNTI=" << rnti <<
" buffer=" << buffer);
2033 m_ceBsrRxed.insert ( std::pair<uint16_t, uint32_t > (rnti, buffer));
2038 (*it).second = buffer;
2081 std::map <uint16_t, std::vector <uint16_t> >::iterator itMap;
2082 std::map <uint16_t, std::vector <double> >::iterator itCqi;
2083 NS_LOG_DEBUG (
this <<
" Collect PUSCH CQIs of Frame no. " << (params.
m_sfnSf >> 4) <<
" subframe no. " << (0xF & params.
m_sfnSf));
2089 for (uint32_t i = 0; i < (*itMap).second.size (); i++)
2093 itCqi =
m_ueCqi.find ((*itMap).second.at (i));
2097 std::vector <double> newCqi;
2102 newCqi.push_back (sinr);
2111 m_ueCqi.insert (std::pair <uint16_t, std::vector <double> > ((*itMap).second.at (i), newCqi));
2118 (*itCqi).second.at (i) = sinr;
2119 NS_LOG_DEBUG (
this <<
" RNTI " << (*itMap).second.at (i) <<
" RB " << i <<
" SINR " << sinr);
2121 std::map <uint16_t, uint32_t>::iterator itTimers;
2142 rnti = vsp->GetRnti ();
2145 std::map <uint16_t, std::vector <double> >::iterator itCqi;
2150 std::vector <double> newCqi;
2154 newCqi.push_back (sinr);
2155 NS_LOG_INFO (
this <<
" RNTI " << rnti <<
" new SRS-CQI for RB " << j <<
" value " << sinr);
2158 m_ueCqi.insert (std::pair <uint16_t, std::vector <double> > (rnti, newCqi));
2168 (*itCqi).second.at (j) = sinr;
2169 NS_LOG_INFO (
this <<
" RNTI " << rnti <<
" update SRS-CQI for RB " << j <<
" value " << sinr);
2172 std::map <uint16_t, uint32_t>::iterator itTimers;
2185 NS_FATAL_ERROR (
"FdTbfqFfMacScheduler supports only PUSCH and SRS UL-CQIs");
2198 std::map <uint16_t,uint32_t>::iterator itP10 =
m_p10CqiTimers.begin ();
2202 if ((*itP10).second == 0)
2205 std::map <uint16_t,uint8_t>::iterator itMap =
m_p10CqiRxed.find ((*itP10).first);
2207 NS_LOG_INFO (
this <<
" P10-CQI expired for user " << (*itP10).first);
2209 std::map <uint16_t,uint32_t>::iterator temp = itP10;
2221 std::map <uint16_t,uint32_t>::iterator itA30 =
m_a30CqiTimers.begin ();
2225 if ((*itA30).second == 0)
2228 std::map <uint16_t,SbMeasResult_s>::iterator itMap =
m_a30CqiRxed.find ((*itA30).first);
2230 NS_LOG_INFO (
this <<
" A30-CQI expired for user " << (*itA30).first);
2232 std::map <uint16_t,uint32_t>::iterator temp = itA30;
2251 std::map <uint16_t,uint32_t>::iterator itUl =
m_ueCqiTimers.begin ();
2255 if ((*itUl).second == 0)
2258 std::map <uint16_t, std::vector <double> >::iterator itMap =
m_ueCqi.find ((*itUl).first);
2259 NS_ASSERT_MSG (itMap !=
m_ueCqi.end (),
" Does not find CQI report for user " << (*itUl).first);
2260 NS_LOG_INFO (
this <<
" UL-CQI exired for user " << (*itUl).first);
2261 (*itMap).second.clear ();
2263 std::map <uint16_t,uint32_t>::iterator temp = itUl;
2280 std::map<LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator it;
2285 NS_LOG_INFO (
this <<
" UE " << rnti <<
" LC " << (uint16_t)lcid <<
" txqueue " << (*it).second.m_rlcTransmissionQueueSize <<
" retxqueue " << (*it).second.m_rlcRetransmissionQueueSize <<
" status " << (*it).second.m_rlcStatusPduSize <<
" decrease " << size);
2288 if (((*it).second.m_rlcStatusPduSize > 0) && (size >= (*it).second.m_rlcStatusPduSize))
2290 (*it).second.m_rlcStatusPduSize = 0;
2292 else if (((*it).second.m_rlcRetransmissionQueueSize > 0) && (size >= (*it).second.m_rlcRetransmissionQueueSize))
2294 (*it).second.m_rlcRetransmissionQueueSize = 0;
2296 else if ((*it).second.m_rlcTransmissionQueueSize > 0)
2298 uint32_t rlcOverhead;
2313 if ((*it).second.m_rlcTransmissionQueueSize <= size - rlcOverhead)
2315 (*it).second.m_rlcTransmissionQueueSize = 0;
2319 (*it).second.m_rlcTransmissionQueueSize -= size - rlcOverhead;
2325 NS_LOG_ERROR (
this <<
" Does not find DL RLC Buffer Report of UE " << rnti);
2334 std::map <uint16_t,uint32_t>::iterator it =
m_ceBsrRxed.find (rnti);
2337 NS_LOG_INFO (
this <<
" UE " << rnti <<
" size " << size <<
" BSR " << (*it).second);
2338 if ((*it).second >= size)
2340 (*it).second -= size;
2349 NS_LOG_ERROR (
this <<
" Does not find BSR report info of UE " << rnti);
2357 NS_LOG_FUNCTION (
this <<
" RNTI " << rnti <<
" txMode " << (uint16_t)txMode);
std::vector< struct UlInfoListElement_s > m_ulInfoList
See section 4.3.1 dlDciListElement.
std::map< uint16_t, uint32_t > m_a30CqiTimers
virtual void SetFfMacCschedSapUser(FfMacCschedSapUser *s)
set the user part of the FfMacCschedSap that this Scheduler will interact with.
void DoCschedCellConfigReq(const struct FfMacCschedSapProvider::CschedCellConfigReqParameters ¶ms)
uint32_t creditableThreshold
counter threshold that the flow cannot further borrow tokens from bank
smart pointer class similar to boost::intrusive_ptr
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
std::map< uint16_t, uint8_t > m_uesTxMode
std::map< uint16_t, std::vector< double > > m_ueCqi
std::map< LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters > m_rlcBufferReq
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register the class in the ns-3 factory.
std::map< uint16_t, SbMeasResult_s > m_a30CqiRxed
Parameters of the CSCHED_UE_CONFIG_CNF primitive.
Parameters of the CSCHED_UE_RELEASE_REQ primitive.
void DoSchedUlNoiseInterferenceReq(const struct FfMacSchedSapProvider::SchedUlNoiseInterferenceReqParameters ¶ms)
void DoCschedLcConfigReq(const struct FfMacCschedSapProvider::CschedLcConfigReqParameters ¶ms)
std::map< uint16_t, UlHarqProcessesDciBuffer_t > m_ulHarqProcessesDciBuffer
enum ns3::UlCqi_s::Type_e m_type
void DoSchedUlSrInfoReq(const struct FfMacSchedSapProvider::SchedUlSrInfoReqParameters ¶ms)
std::vector< UlDciListElement_s > UlHarqProcessesDciBuffer_t
std::vector< struct LogicalChannelConfigListElement_s > m_logicalChannelConfigList
std::vector< uint16_t > m_sinr
void DoSchedDlPagingBufferReq(const struct FfMacSchedSapProvider::SchedDlPagingBufferReqParameters ¶ms)
std::vector< uint8_t > DlHarqProcessesTimer_t
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file...
Hold a signed integer type.
int debtLimit
the maximum number of tokens connection i can borrow from the bank each time
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
std::vector< uint8_t > m_mcs
void DoSchedDlCqiInfoReq(const struct FfMacSchedSapProvider::SchedDlCqiInfoReqParameters ¶ms)
See section 4.3.2 ulDciListElement.
bool m_harqOn
m_harqOn when false inhibit te HARQ mechanisms (by default active)
uint32_t tokenPoolSize
token generation rate ( byte/s )
std::vector< struct UlDciListElement_s > m_dciList
virtual void SchedDlRachInfoReq(const struct SchedDlRachInfoReqParameters ¶ms)
virtual void CschedLcConfigReq(const struct CschedLcConfigReqParameters ¶ms)
virtual void SchedDlCqiInfoReq(const struct SchedDlCqiInfoReqParameters ¶ms)
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
#define NS_FATAL_ERROR(msg)
fatal error handling
See section 4.3.10 buildRARListElement.
virtual void SchedUlSrInfoReq(const struct SchedUlSrInfoReqParameters ¶ms)
Parameters of the CSCHED_UE_CONFIG_UPDATE_IND primitive.
virtual void SchedUlNoiseInterferenceReq(const struct SchedUlNoiseInterferenceReqParameters ¶ms)
std::map< uint16_t, fdtbfqsFlowPerf_t > m_flowStatsUl
void DoSchedDlRachInfoReq(const struct FfMacSchedSapProvider::SchedDlRachInfoReqParameters ¶ms)
Parameters of the CSCHED_LC_RELEASE_REQ primitive.
std::vector< std::vector< struct RlcPduListElement_s > > m_rlcPduList
uint8_t m_transmissionMode
uint32_t m_cqiTimersThreshold
Parameters of the SCHED_DL_TRIGGER_REQ primitive.
uint8_t m_logicalChannelIdentity
virtual ~FdTbfqFfMacScheduler()
Destructor.
virtual void CschedUeReleaseReq(const struct CschedUeReleaseReqParameters ¶ms)
int LcActivePerFlow(uint16_t rnti)
virtual void SchedUlTriggerReq(const struct SchedUlTriggerReqParameters ¶ms)
std::vector< RlcPduList_t > DlHarqRlcPduListBuffer_t
Parameters of the SCHED_DL_MAC_BUFFER_REQ primitive.
Parameters of the SCHED_DL_PAGING_BUFFER_REQ primitive.
virtual void CschedUeConfigUpdateInd(const struct CschedUeConfigUpdateIndParameters ¶ms)=0
virtual void SetFfMacSchedSapUser(FfMacSchedSapUser *s)
set the user part of the FfMacSchedSap that this Scheduler will interact with.
std::vector< struct RachListElement_s > m_rachList
std::vector< struct VendorSpecificListElement_s > m_vendorSpecificList
FfMacSchedSapUser * m_schedSapUser
virtual void SchedDlRlcBufferReq(const struct SchedDlRlcBufferReqParameters ¶ms)
std::map< uint16_t, std::vector< uint16_t > > m_allocationMaps
std::map< uint16_t, DlHarqProcessesDciBuffer_t > m_dlHarqProcessesDciBuffer
virtual void SchedDlTriggerReq(const struct SchedDlTriggerReqParameters ¶ms)
uint8_t HarqProcessAvailability(uint16_t rnti)
Return the availability of free process for the RNTI specified.
static TypeId GetTypeId(void)
friend class FdTbfqSchedulerMemberCschedSapProvider
std::map< uint16_t, DlHarqProcessesTimer_t > m_dlHarqProcessesTimer
uint64_t packetArrivalRate
void DoCschedLcReleaseReq(const struct FfMacCschedSapProvider::CschedLcReleaseReqParameters ¶ms)
std::map< uint16_t, fdtbfqsFlowPerf_t > m_flowStatsDl
Parameters of the SCHED_UL_TRIGGER_REQ primitive.
Hold an unsigned integer type.
static uint8_t TxMode2LayerNum(uint8_t txMode)
std::vector< uint8_t > m_ndi
FfMacCschedSapProvider::CschedCellConfigReqParameters m_cschedCellConfig
virtual FfMacCschedSapProvider * GetFfMacCschedSapProvider()
virtual void CschedUeConfigCnf(const struct CschedUeConfigCnfParameters ¶ms)=0
std::vector< uint16_t > m_rachAllocationMap
std::map< uint16_t, uint32_t > m_p10CqiTimers
std::vector< uint8_t > m_logicalChannelIdentity
#define NS_LOG_LOGIC(msg)
Use NS_LOG to output a message of level LOG_LOGIC.
Parameters of the SCHED_UL_NOISE_INTERFERENCE_REQ primitive.
uint8_t m_logicalChannelIdentity
std::vector< struct CqiListElement_s > m_cqiList
std::vector< struct DlInfoListElement_s > m_dlInfoList
void DoSchedDlRlcBufferReq(const struct FfMacSchedSapProvider::SchedDlRlcBufferReqParameters ¶ms)
std::map< uint16_t, uint32_t > m_ueCqiTimers
Implements the SCHED SAP and CSCHED SAP for a Frequency Domain Token Bank Fair Queue scheduler...
virtual void SchedDlConfigInd(const struct SchedDlConfigIndParameters ¶ms)=0
Parameters of the API primitives.
int8_t m_pdcchPowerOffset
std::vector< uint16_t > m_tbsSize
uint32_t m_creditableThreshold
See section 4.3.9 rlcPDU_ListElement.
void DoSchedUlMacCtrlInfoReq(const struct FfMacSchedSapProvider::SchedUlMacCtrlInfoReqParameters ¶ms)
FdTbfqFfMacScheduler * m_scheduler
std::vector< DlDciListElement_s > DlHarqProcessesDciBuffer_t
FdTbfqFfMacScheduler * m_scheduler
Parameters of the CSCHED_LC_CONFIG_REQ primitive.
virtual void CschedCellConfigReq(const struct CschedCellConfigReqParameters ¶ms)
CSCHED_CELL_CONFIG_REQ.
virtual void CschedLcReleaseReq(const struct CschedLcReleaseReqParameters ¶ms)
std::vector< uint8_t > m_rv
FdTbfqFfMacScheduler()
Constructor.
void RefreshHarqProcesses()
Refresh HARQ processes according to the timers.
std::map< uint16_t, uint8_t > m_dlHarqCurrentProcessId
FfMacCschedSapProvider * m_cschedSapProvider
uint64_t tokenGenerationRate
packet arrival rate( byte/s)
virtual void SchedUlConfigInd(const struct SchedUlConfigIndParameters ¶ms)=0
static Time Now(void)
Return the "current simulation time".
double EstimateUlSinr(uint16_t rnti, uint16_t rb)
std::map< uint16_t, DlHarqRlcPduListBuffer_t > m_dlHarqProcessesRlcPduListBuffer
UlCqiFilter_t m_ulCqiFilter
int GetRbgSize(int dlbandwidth)
This abstract base class identifies the interface by means of which the helper object can plug on the...
virtual void SchedDlMacBufferReq(const struct SchedDlMacBufferReqParameters ¶ms)
#define NS_ASSERT_MSG(condition, message)
At runtime, in debugging builds, if this condition is not true, the program prints the message to out...
uint8_t m_nrOfPdcchOfdmSymbols
Parameters of the SCHED_DL_CQI_INFO_REQ primitive.
std::vector< struct MacCeListElement_s > m_macCeList
Parameters of the API primitives.
uint32_t burstCredit
the number of token borrow or given to token bank
std::vector< struct RachListElement_s > m_rachList
static double fpS11dot3toDouble(uint16_t val)
int counter
maximum size of token pool (byte)
std::vector< uint8_t > UlHarqProcessesStatus_t
void DoSchedUlCqiInfoReq(const struct FfMacSchedSapProvider::SchedUlCqiInfoReqParameters ¶ms)
std::vector< uint8_t > DlHarqProcessesStatus_t
Parameters of the SCHED_UL_CQI_INFO_REQ primitive.
virtual void DoDispose(void)
This method is called by Object::Dispose or by the object's destructor, whichever comes first...
static uint32_t BsrId2BufferSize(uint8_t val)
uint8_t m_transmissionMode
void DoSchedDlTriggerReq(const struct FfMacSchedSapProvider::SchedDlTriggerReqParameters ¶ms)
FfMacSchedSapProvider * m_schedSapProvider
void RefreshDlCqiMaps(void)
Parameters of the API primitives.
Parameters of the SCHED_UL_MAC_CTRL_INFO_REQ primitive.
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
std::map< uint16_t, UlHarqProcessesStatus_t > m_ulHarqProcessesStatus
void DoSchedDlMacBufferReq(const struct FfMacSchedSapProvider::SchedDlMacBufferReqParameters ¶ms)
FfMacCschedSapUser * m_cschedSapUser
void DoSchedUlTriggerReq(const struct FfMacSchedSapProvider::SchedUlTriggerReqParameters ¶ms)
std::vector< DlInfoListElement_s > m_dlInfoListBuffered
Parameters of the SCHED_UL_SR_INFO_REQ primitive.
FdTbfqSchedulerMemberSchedSapProvider()
#define NS_LOG_ERROR(msg)
Use NS_LOG to output a message of level LOG_ERROR.
Parameters of the SCHED_DL_RACH_INFO_REQ primitive.
Parameters of the SCHED_UL_CONFIG_IND primitive.
std::map< uint16_t, DlHarqProcessesStatus_t > m_dlHarqProcessesStatus
Parameters of the CSCHED_UE_CONFIG_REQ primitive.
std::map< uint16_t, uint8_t > m_ulHarqCurrentProcessId
virtual FfMacSchedSapProvider * GetFfMacSchedSapProvider()
uint32_t maxTokenPoolSize
current size of token pool (byte)
struct DlDciListElement_s m_dci
std::vector< struct BuildRarListElement_s > m_buildRarList
std::map< uint16_t, uint8_t > m_p10CqiRxed
void RefreshUlCqiMaps(void)
virtual void SchedUlCqiInfoReq(const struct SchedUlCqiInfoReqParameters ¶ms)
FdTbfqSchedulerMemberCschedSapProvider()
friend class FdTbfqSchedulerMemberSchedSapProvider
a unique identifier for an interface.
static const int FdTbfqType0AllocationRbg[4]
TypeId SetParent(TypeId tid)
void DoCschedUeReleaseReq(const struct FfMacCschedSapProvider::CschedUeReleaseReqParameters ¶ms)
void UpdateUlRlcBufferInfo(uint16_t rnti, uint16_t size)
virtual void SchedUlMacCtrlInfoReq(const struct SchedUlMacCtrlInfoReqParameters ¶ms)
void DoCschedUeConfigReq(const struct FfMacCschedSapProvider::CschedUeConfigReqParameters ¶ms)
uint8_t UpdateHarqProcessId(uint16_t rnti)
Update and return a new process Id for the RNTI specified.
std::map< uint16_t, uint32_t > m_ceBsrRxed
virtual void SchedDlPagingBufferReq(const struct SchedDlPagingBufferReqParameters ¶ms)
void UpdateDlRlcBufferInfo(uint16_t rnti, uint8_t lcid, uint16_t size)
void TransmissionModeConfigurationUpdate(uint16_t rnti, uint8_t txMode)
std::vector< struct BuildDataListElement_s > m_buildDataList
virtual void CschedUeConfigReq(const struct CschedUeConfigReqParameters ¶ms)
uint8_t m_ueTxAntennaSelection
See section 4.3.8 builDataListElement.