26#include <ns3/boolean.h>
27#include <ns3/integer.h>
30#include <ns3/pointer.h>
31#include <ns3/simulator.h>
52 : m_cschedSapUser(nullptr),
53 m_schedSapUser(nullptr),
57 m_amc = CreateObject<LteAmc>();
89 TypeId(
"ns3::TdTbfqFfMacScheduler")
93 .AddAttribute(
"CqiTimerThreshold",
94 "The number of TTIs a CQI is valid (default 1000 - 1 sec.)",
97 MakeUintegerChecker<uint32_t>())
98 .AddAttribute(
"DebtLimit",
99 "Flow debt limit (default -625000 bytes)",
102 MakeIntegerChecker<int>())
103 .AddAttribute(
"CreditLimit",
104 "Flow credit limit (default 625000 bytes)",
107 MakeUintegerChecker<uint32_t>())
108 .AddAttribute(
"TokenPoolSize",
109 "The maximum value of flow token pool (default 1 bytes)",
112 MakeUintegerChecker<uint32_t>())
113 .AddAttribute(
"CreditableThreshold",
114 "Threshold of flow credit (default 0 bytes)",
117 MakeUintegerChecker<uint32_t>())
119 .AddAttribute(
"HarqEnabled",
120 "Activate/Deactivate the HARQ [by default is active].",
124 .AddAttribute(
"UlGrantMcs",
125 "The MCS of the UL grant, must be [0..15] (default 0)",
128 MakeUintegerChecker<uint8_t>());
186 << (uint16_t)params.m_transmissionMode);
190 m_uesTxMode.insert(std::pair<uint16_t, double>(params.m_rnti, params.m_transmissionMode));
194 dlHarqPrcStatus.resize(8, 0);
196 std::pair<uint16_t, DlHarqProcessesStatus_t>(params.m_rnti, dlHarqPrcStatus));
198 dlHarqProcessesTimer.resize(8, 0);
200 std::pair<uint16_t, DlHarqProcessesTimer_t>(params.m_rnti, dlHarqProcessesTimer));
204 std::pair<uint16_t, DlHarqProcessesDciBuffer_t>(params.m_rnti, dlHarqdci));
206 dlHarqRlcPdu.resize(2);
207 dlHarqRlcPdu.at(0).resize(8);
208 dlHarqRlcPdu.at(1).resize(8);
210 std::pair<uint16_t, DlHarqRlcPduListBuffer_t>(params.m_rnti, dlHarqRlcPdu));
213 ulHarqPrcStatus.resize(8, 0);
215 std::pair<uint16_t, UlHarqProcessesStatus_t>(params.m_rnti, ulHarqPrcStatus));
219 std::pair<uint16_t, UlHarqProcessesDciBuffer_t>(params.m_rnti, ulHarqdci));
223 (*it).second = params.m_transmissionMode;
233 for (std::size_t i = 0; i < params.m_logicalChannelConfigList.size(); i++)
239 uint64_t mbrDlInBytes =
240 params.m_logicalChannelConfigList.at(i).m_eRabMaximulBitrateDl / 8;
241 uint64_t mbrUlInBytes =
242 params.m_logicalChannelConfigList.at(i).m_eRabMaximulBitrateUl / 8;
255 std::pair<uint16_t, tdtbfqsFlowPerf_t>(params.m_rnti, flowStatsDl));
267 std::pair<uint16_t, tdtbfqsFlowPerf_t>(params.m_rnti, flowStatsUl));
272 uint64_t mbrDlInBytes =
273 params.m_logicalChannelConfigList.at(i).m_eRabMaximulBitrateDl / 8;
274 uint64_t mbrUlInBytes =
275 params.m_logicalChannelConfigList.at(i).m_eRabMaximulBitrateUl / 8;
276 m_flowStatsDl[(*it).first].tokenGenerationRate = mbrDlInBytes;
277 m_flowStatsUl[(*it).first].tokenGenerationRate = mbrUlInBytes;
287 for (std::size_t i = 0; i < params.m_logicalChannelIdentity.size(); i++)
292 if (((*it).first.m_rnti == params.m_rnti) &&
293 ((*it).first.m_lcId == params.m_logicalChannelIdentity.at(i)))
328 if ((*it).first.m_rnti == params.m_rnti)
352 LteFlowId_t flow(params.m_rnti, params.m_logicalChannelIdentity);
359 std::pair<LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>(flow,
364 (*it).second = params;
387 for (
int i = 0; i < 4; i++)
401 unsigned int lcActive = 0;
404 if (((*it).first.m_rnti == rnti) && (((*it).second.m_rlcTransmissionQueueSize > 0) ||
405 ((*it).second.m_rlcRetransmissionQueueSize > 0) ||
406 ((*it).second.m_rlcStatusPduSize > 0)))
410 if ((*it).first.m_rnti > rnti)
431 NS_FATAL_ERROR(
"No Process Id Statusfound for this RNTI " << rnti);
433 uint8_t i = (*it).second;
437 }
while (((*itStat).second.at(i) != 0) && (i != (*it).second));
439 return (*itStat).second.at(i) == 0;
460 NS_FATAL_ERROR(
"No Process Id Statusfound for this RNTI " << rnti);
462 uint8_t i = (*it).second;
466 }
while (((*itStat).second.at(i) != 0) && (i != (*it).second));
467 if ((*itStat).second.at(i) == 0)
470 (*itStat).second.at(i) = 1;
475 << rnti <<
" check before update with HarqProcessAvailability");
478 return ((*it).second);
495 NS_LOG_DEBUG(
this <<
" Reset HARQ proc " << i <<
" for RNTI " << (*itTimers).first);
500 << (*itTimers).first);
502 (*itStat).second.at(i) = 0;
503 (*itTimers).second.at(i) = 0;
507 (*itTimers).second.at(i)++;
517 NS_LOG_FUNCTION(
this <<
" Frame no. " << (params.m_sfnSf >> 4) <<
" subframe no. "
518 << (0xF & params.m_sfnSf));
529 std::map<uint16_t, std::vector<uint16_t>> allocationMap;
530 std::vector<bool> rbgMap;
531 uint16_t rbgAllocatedNum = 0;
532 std::set<uint16_t> rntiAllocated;
536 for (
auto it = rbgMap.begin(); it != rbgMap.end(); it++)
551 (*itProcId).second = ((*itProcId).second + 1) %
HARQ_PROC_NUM;
555 std::vector<bool> ulRbMap;
558 uint8_t maxContinuousUlBandwidth = 0;
559 uint8_t tmpMinBandwidth = 0;
560 uint16_t ffrRbStartOffset = 0;
561 uint16_t tmpFfrRbStartOffset = 0;
564 for (
auto it = ulRbMap.begin(); it != ulRbMap.end(); it++)
568 if (tmpMinBandwidth > maxContinuousUlBandwidth)
570 maxContinuousUlBandwidth = tmpMinBandwidth;
571 ffrRbStartOffset = tmpFfrRbStartOffset;
577 if (tmpMinBandwidth == 0)
579 tmpFfrRbStartOffset = index;
586 if (tmpMinBandwidth > maxContinuousUlBandwidth)
588 maxContinuousUlBandwidth = tmpMinBandwidth;
589 ffrRbStartOffset = tmpFfrRbStartOffset;
593 uint16_t rbStart = 0;
594 rbStart = ffrRbStartOffset;
598 (*itRach).m_estimatedSize,
599 " Default UL Grant MCS does not allow to send RACH messages");
601 newRar.
m_rnti = (*itRach).m_rnti;
608 uint16_t tbSizeBits = 0;
610 while ((tbSizeBits < (*itRach).m_estimatedSize) &&
611 (rbStart + rbLen < (ffrRbStartOffset + maxContinuousUlBandwidth)))
616 if (tbSizeBits < (*itRach).m_estimatedSize)
628 NS_LOG_INFO(
this <<
" UL grant allocated to RNTI " << (*itRach).m_rnti <<
" rbStart "
629 << rbStart <<
" rbLen " << rbLen <<
" MCS " <<
m_ulGrantMcs <<
" tbSize "
631 for (uint16_t i = rbStart; i < rbStart + rbLen; i++)
664 harqId = (*itProcId).second;
668 NS_FATAL_ERROR(
"Unable to find RNTI entry in UL DCI HARQ buffer for RNTI "
671 (*itDci).second.at(harqId) = uldci;
674 rbStart = rbStart + rbLen;
684 if (!params.m_dlInfoList.empty())
688 params.m_dlInfoList.begin(),
689 params.m_dlInfoList.end());
694 if (!params.m_dlInfoList.empty())
704 std::vector<DlInfoListElement_s> dlInfoListUntxed;
708 if (itRnti != rntiAllocated.end())
714 std::vector<bool> retx;
715 NS_LOG_INFO(
this <<
" Processing DLHARQ feedback");
720 retx.push_back(
false);
729 if (retx.at(0) || retx.at(1))
734 NS_LOG_INFO(
this <<
" HARQ retx RNTI " << rnti <<
" harqId " << (uint16_t)harqId);
743 if (dci.
m_rv.size() == 1)
755 NS_LOG_INFO(
"Maximum number of retransmissions reached -> drop process");
759 NS_LOG_ERROR(
"No info find in HARQ buffer for UE (might change eNB) "
762 (*it).second.at(harqId) = 0;
766 NS_FATAL_ERROR(
"Unable to find RlcPdcList in HARQ buffer for RNTI "
769 for (std::size_t k = 0; k < (*itRlcPdu).second.size(); k++)
771 (*itRlcPdu).second.at(k).at(harqId).clear();
777 std::vector<int> dciRbg;
780 for (
int j = 0; j < 32; j++)
790 for (std::size_t j = 0; j < dciRbg.size(); j++)
792 if (rbgMap.at(dciRbg.at(j)))
802 for (std::size_t j = 0; j < dciRbg.size(); j++)
804 rbgMap.at(dciRbg.at(j)) =
true;
805 NS_LOG_INFO(
"RBG " << dciRbg.at(j) <<
" assigned");
809 NS_LOG_INFO(
this <<
" Send retx in the same RBGs");
815 uint8_t rbgId = (dciRbg.at(dciRbg.size() - 1) + 1) % rbgNum;
816 uint8_t startRbg = dciRbg.at(dciRbg.size() - 1);
817 std::vector<bool> rbgMapCopy = rbgMap;
818 while ((j < dciRbg.size()) && (startRbg != rbgId))
820 if (!rbgMapCopy.at(rbgId))
822 rbgMapCopy.at(rbgId) =
true;
823 dciRbg.at(j) = rbgId;
826 rbgId = (rbgId + 1) % rbgNum;
828 if (j == dciRbg.size())
832 for (std::size_t k = 0; k < dciRbg.size(); k++)
834 rbgMask = rbgMask + (0x1 << dciRbg.at(k));
839 NS_LOG_INFO(
this <<
" Move retx in RBGs " << dciRbg.size());
845 NS_LOG_INFO(
this <<
" No resource for this retx -> buffer it");
853 NS_FATAL_ERROR(
"Unable to find RlcPdcList in HARQ buffer for RNTI " << rnti);
855 for (std::size_t j = 0; j < nLayers; j++)
859 if (j >= dci.
m_ndi.size())
862 dci.
m_ndi.push_back(0);
863 dci.
m_rv.push_back(0);
864 dci.
m_mcs.push_back(0);
867 <<
" no txed (MIMO transition)");
873 (*itHarq).second.at(harqId).m_rv.at(j)++;
874 NS_LOG_INFO(
this <<
" layer " << (uint16_t)j <<
" RV "
875 << (uint16_t)dci.
m_rv.at(j));
885 NS_LOG_INFO(
this <<
" layer " << (uint16_t)j <<
" no retx");
888 for (std::size_t k = 0; k < (*itRlcPdu).second.at(0).at(dci.
m_harqProcess).size(); k++)
890 std::vector<RlcPduListElement_s> rlcPduListPerLc;
891 for (std::size_t j = 0; j < nLayers; j++)
895 if (j < dci.
m_ndi.size())
897 NS_LOG_INFO(
" layer " << (uint16_t)j <<
" tb size "
899 rlcPduListPerLc.push_back(
912 .m_logicalChannelIdentity;
914 rlcPduListPerLc.push_back(emptyElement);
918 if (!rlcPduListPerLc.empty())
925 (*itHarq).second.at(harqId).
m_rv = dci.
m_rv;
930 NS_FATAL_ERROR(
"Unable to find HARQ timer for RNTI " << (uint16_t)rnti);
932 (*itHarqTimer).second.at(harqId) = 0;
934 rntiAllocated.insert(rnti);
951 NS_FATAL_ERROR(
"Unable to find RlcPdcList in HARQ buffer for RNTI "
954 for (std::size_t k = 0; k < (*itRlcPdu).second.size(); k++)
963 if (rbgAllocatedNum == rbgNum)
976 if ((*itStats).second.tokenGenerationRate / 1000 + (*itStats).second.tokenPoolSize >
977 (*itStats).second.maxTokenPoolSize)
979 (*itStats).second.counter +=
980 (*itStats).second.tokenGenerationRate / 1000 -
981 ((*itStats).second.maxTokenPoolSize - (*itStats).second.tokenPoolSize);
982 (*itStats).second.tokenPoolSize = (*itStats).second.maxTokenPoolSize;
983 bankSize += (*itStats).second.tokenGenerationRate / 1000 -
984 ((*itStats).second.maxTokenPoolSize - (*itStats).second.tokenPoolSize);
988 (*itStats).second.tokenPoolSize += (*itStats).second.tokenGenerationRate / 1000;
994 double metricMax = 0.0;
995 bool firstRnti =
true;
998 auto itRnti = rntiAllocated.find((*it).first);
1002 if (itRnti != rntiAllocated.end())
1004 NS_LOG_DEBUG(
this <<
" RNTI discarded for HARQ tx" << (uint16_t)(*it).first);
1008 NS_LOG_DEBUG(
this <<
" RNTI discarded for HARQ id" << (uint16_t)(*it).first);
1018 NS_FATAL_ERROR(
"No Transmission Mode info on user " << (*it).first);
1023 for (
int k = 0; k < rbgNum; k++)
1025 for (uint8_t j = 0; j < nLayer; j++)
1033 cqiSum += (*itCqi).second.m_higherLayerSelected.at(k).m_sbCqi.at(j);
1040 NS_LOG_INFO(
"Skip this flow, CQI==0, rnti:" << (*it).first);
1052 (((
double)(*it).second.counter) / ((
double)(*it).second.tokenGenerationRate));
1061 if (metric > metricMax)
1077 std::vector<uint16_t> tempMap;
1078 for (
int i = 0; i < rbgNum; i++)
1090 tempMap.push_back(i);
1091 rbgMap.at(i) =
true;
1093 if (!tempMap.empty())
1095 allocationMap.insert(
1096 std::pair<uint16_t, std::vector<uint16_t>>((*itMax).first, tempMap));
1102 auto itMap = allocationMap.begin();
1103 while (itMap != allocationMap.end())
1107 newEl.
m_rnti = (*itMap).first;
1110 newDci.
m_rnti = (*itMap).first;
1118 lcActives = (uint16_t)65535;
1120 uint16_t RgbPerRnti = (*itMap).second.size();
1125 NS_FATAL_ERROR(
"No Transmission Mode info on user " << (*itMap).first);
1128 std::vector<uint8_t> worstCqi(2, 15);
1131 for (std::size_t k = 0; k < (*itMap).second.size(); k++)
1133 if ((*itCqi).second.m_higherLayerSelected.size() > (*itMap).second.at(k))
1135 for (uint8_t j = 0; j < nLayer; j++)
1138 .
second.m_higherLayerSelected.at((*itMap).second.at(k))
1139 .m_sbCqi.size() > j)
1142 .
second.m_higherLayerSelected.at((*itMap).second.at(k))
1143 .m_sbCqi.at(j)) < worstCqi.at(j))
1147 .second.m_higherLayerSelected.at((*itMap).second.at(k))
1160 for (uint8_t j = 0; j < nLayer; j++)
1169 for (uint8_t j = 0; j < nLayer; j++)
1175 for (uint8_t j = 0; j < nLayer; j++)
1177 newDci.
m_mcs.push_back(
m_amc->GetMcsFromCqi(worstCqi.at(j)));
1178 int tbSize = (
m_amc->GetDlTbSizeFromMcs(newDci.
m_mcs.at(j), RgbPerRnti * rbgSize) /
1181 bytesTxed += tbSize;
1187 for (std::size_t k = 0; k < (*itMap).second.size(); k++)
1189 rbgMask = rbgMask + (0x1 << (*itMap).second.at(k));
1190 NS_LOG_INFO(
this <<
" Allocated RBG " << (*itMap).second.at(k));
1197 if (((*itBufReq).first.m_rnti == (*itMap).first) &&
1198 (((*itBufReq).second.m_rlcTransmissionQueueSize > 0) ||
1199 ((*itBufReq).second.m_rlcRetransmissionQueueSize > 0) ||
1200 ((*itBufReq).second.m_rlcStatusPduSize > 0)))
1202 std::vector<RlcPduListElement_s> newRlcPduLe;
1203 for (uint8_t j = 0; j < nLayer; j++)
1209 <<
" size " << newRlcEl.
m_size <<
" layer " << (uint16_t)j);
1210 newRlcPduLe.push_back(newRlcEl);
1220 NS_FATAL_ERROR(
"Unable to find RlcPdcList in HARQ buffer for RNTI "
1223 (*itRlcPdu).second.at(j).at(newDci.
m_harqProcess).push_back(newRlcEl);
1228 if ((*itBufReq).first.m_rnti > (*itMap).first)
1233 for (uint8_t j = 0; j < nLayer; j++)
1235 newDci.
m_ndi.push_back(1);
1236 newDci.
m_rv.push_back(0);
1241 newEl.
m_dci = newDci;
1249 NS_FATAL_ERROR(
"Unable to find RNTI entry in DCI HARQ buffer for RNTI "
1263 if (bytesTxed <= (*itMax).second.tokenPoolSize)
1265 (*itMax).second.tokenPoolSize -= bytesTxed;
1269 (*itMax).second.counter =
1270 (*itMax).second.counter - (bytesTxed - (*itMax).second.tokenPoolSize);
1271 (*itMax).second.tokenPoolSize = 0;
1272 if (
bankSize <= (bytesTxed - (*itMax).second.tokenPoolSize))
1309 for (
unsigned int i = 0; i < params.m_cqiList.size(); i++)
1315 uint16_t rnti = params.m_cqiList.at(i).m_rnti;
1322 params.m_cqiList.at(i).m_wbCqi.at(0)));
1329 (*it).second = params.m_cqiList.at(i).m_wbCqi.at(0);
1338 uint16_t rnti = params.m_cqiList.at(i).m_rnti;
1344 std::pair<uint16_t, SbMeasResult_s>(rnti,
1345 params.m_cqiList.at(i).m_sbMeasResult));
1351 (*it).second = params.m_cqiList.at(i).m_sbMeasResult;
1366 auto itCqi =
m_ueCqi.find(rnti);
1376 unsigned int sinrNum = 0;
1379 double sinr = (*itCqi).second.at(i);
1386 double estimatedSinr = (sinrNum > 0) ? (sinrSum / sinrNum) : DBL_MAX;
1388 (*itCqi).second.at(rb) = estimatedSinr;
1389 return (estimatedSinr);
1397 NS_LOG_FUNCTION(
this <<
" UL - Frame no. " << (params.m_sfnSf >> 4) <<
" subframe no. "
1398 << (0xF & params.m_sfnSf) <<
" size " << params.m_ulInfoList.size());
1405 std::vector<bool> rbMap;
1406 uint16_t rbAllocatedNum = 0;
1407 std::set<uint16_t> rntiAllocated;
1408 std::vector<uint16_t> rbgAllocationMap;
1419 for (
auto it = rbMap.begin(); it != rbMap.end(); it++)
1433 if (rbgAllocationMap.at(i) != 0)
1443 for (std::size_t i = 0; i < params.m_ulInfoList.size(); i++)
1448 uint16_t rnti = params.m_ulInfoList.at(i).m_rnti;
1452 NS_LOG_ERROR(
"No info find in HARQ buffer for UE (might change eNB) " << rnti);
1455 NS_LOG_INFO(
this <<
" UL-HARQ retx RNTI " << rnti <<
" harqId " << (uint16_t)harqId
1456 <<
" i " << i <<
" size " << params.m_ulInfoList.size());
1460 NS_LOG_ERROR(
"No info find in HARQ buffer for UE (might change eNB) " << rnti);
1467 NS_LOG_ERROR(
"No info find in HARQ buffer for UE (might change eNB) " << rnti);
1469 if ((*itStat).second.at(harqId) >= 3)
1471 NS_LOG_INFO(
"Max number of retransmissions reached (UL)-> drop process");
1489 rbgAllocationMap.at(j) = dci.
m_rnti;
1495 << (*itStat).second.at(harqId) + 1);
1499 NS_LOG_INFO(
"Cannot allocate retx due to RACH allocations for UE " << rnti);
1504 (*itStat).second.at((*itProcId).second) = (*itStat).second.at(harqId) + 1;
1505 (*itStat).second.at(harqId) = 0;
1506 (*itHarq).second.at((*itProcId).second) = dci;
1508 rntiAllocated.insert(dci.
m_rnti);
1512 NS_LOG_INFO(
this <<
" HARQ-ACK feedback from RNTI "
1513 << params.m_ulInfoList.at(i).m_rnti);
1518 std::map<uint16_t, uint32_t>::iterator it;
1523 auto itRnti = rntiAllocated.find((*it).first);
1525 if (((*it).second > 0) && (itRnti == rntiAllocated.end()))
1536 std::pair<uint16_t, std::vector<uint16_t>>(params.m_sfnSf, rbgAllocationMap));
1545 uint16_t tempRbPerFlow = (ffrUlBandwidth) / (nflows + rntiAllocated.size());
1546 uint16_t rbPerFlow =
1547 (minContinuousUlBandwidth < tempRbPerFlow) ? minContinuousUlBandwidth : tempRbPerFlow;
1554 int rbAllocated = 0;
1577 auto itRnti = rntiAllocated.find((*it).first);
1578 if ((itRnti != rntiAllocated.end()) || ((*it).second == 0))
1581 NS_LOG_DEBUG(
this <<
" UE already allocated in HARQ -> discarded, RNTI "
1605 uldci.
m_rnti = (*it).first;
1607 bool allocated =
false;
1608 NS_LOG_INFO(
this <<
" RB Allocated " << rbAllocated <<
" rbPerFlow " << rbPerFlow
1609 <<
" flows " << nflows);
1615 for (
int j = rbAllocated; j < rbAllocated + rbPerFlow; j++)
1630 NS_LOG_INFO(
this <<
"RNTI: " << (*it).first <<
" RB Allocated " << rbAllocated
1631 <<
" rbPerFlow " << rbPerFlow <<
" flows " << nflows);
1634 for (
int j = rbAllocated; j < rbAllocated + rbPerFlow; j++)
1638 rbgAllocationMap.at(j) = (*it).first;
1640 rbAllocated += rbPerFlow;
1670 auto itCqi =
m_ueCqi.find((*it).first);
1681 "CQI of RNTI = " << (*it).first <<
" has expired");
1682 double minSinr = (*itCqi).second.at(uldci.
m_rbStart);
1689 double sinr = (*itCqi).second.at(i);
1701 double s = log2(1 + (std::pow(10, minSinr / 10) / ((-std::log(5.0 * 0.00005)) / 1.5)));
1702 cqi =
m_amc->GetCqiFromSpectralEfficiency(s);
1715 rbgAllocationMap.at(i) = 0;
1746 harqId = (*itProcId).second;
1750 NS_FATAL_ERROR(
"Unable to find RNTI entry in UL DCI HARQ buffer for RNTI "
1753 (*itDci).second.at(harqId) = uldci;
1758 NS_LOG_ERROR(
"No info find in HARQ buffer for UE (might change eNB) "
1761 (*itStat).second.at(harqId) = 0;
1764 NS_LOG_INFO(
this <<
" UE Allocation RNTI " << (*it).first <<
" startPRB "
1766 <<
" CQI " << cqi <<
" MCS " << (
uint32_t)uldci.
m_mcs <<
" TBsize "
1767 << uldci.
m_tbSize <<
" RbAlloc " << rbAllocated <<
" harqId "
1768 << (uint16_t)harqId);
1782 }
while (((*it).first !=
m_nextRntiUl) && (rbPerFlow != 0));
1785 std::pair<uint16_t, std::vector<uint16_t>>(params.m_sfnSf, rbgAllocationMap));
1809 for (
unsigned int i = 0; i < params.m_macCeList.size(); i++)
1821 for (uint8_t lcg = 0; lcg < 4; ++lcg)
1823 uint8_t bsrId = params.m_macCeList.at(i).m_macCeValue.m_bufferStatus.at(lcg);
1827 uint16_t rnti = params.m_macCeList.at(i).m_rnti;
1828 NS_LOG_LOGIC(
this <<
"RNTI=" << rnti <<
" buffer=" << buffer);
1833 m_ceBsrRxed.insert(std::pair<uint16_t, uint32_t>(rnti, buffer));
1838 (*it).second = buffer;
1872 switch (params.m_ulCqi.m_type)
1875 NS_LOG_DEBUG(
this <<
" Collect PUSCH CQIs of Frame no. " << (params.m_sfnSf >> 4)
1876 <<
" subframe no. " << (0xF & params.m_sfnSf));
1882 for (
uint32_t i = 0; i < (*itMap).second.size(); i++)
1886 auto itCqi =
m_ueCqi.find((*itMap).second.at(i));
1890 std::vector<double> newCqi;
1895 newCqi.push_back(sinr);
1904 std::pair<uint16_t, std::vector<double>>((*itMap).second.at(i), newCqi));
1912 (*itCqi).second.at(i) = sinr;
1913 NS_LOG_DEBUG(
this <<
" RNTI " << (*itMap).second.at(i) <<
" RB " << i <<
" SINR "
1927 NS_ASSERT(!params.m_vendorSpecificList.empty());
1928 for (std::size_t i = 0; i < params.m_vendorSpecificList.size(); i++)
1933 DynamicCast<SrsCqiRntiVsp>(params.m_vendorSpecificList.at(i).m_value);
1934 rnti = vsp->GetRnti();
1937 auto itCqi =
m_ueCqi.find(rnti);
1941 std::vector<double> newCqi;
1945 newCqi.push_back(sinr);
1946 NS_LOG_INFO(
this <<
" RNTI " << rnti <<
" new SRS-CQI for RB " << j <<
" value "
1949 m_ueCqi.insert(std::pair<uint16_t, std::vector<double>>(rnti, newCqi));
1959 (*itCqi).second.at(j) = sinr;
1960 NS_LOG_INFO(
this <<
" RNTI " << rnti <<
" update SRS-CQI for RB " << j <<
" value "
1972 NS_FATAL_ERROR(
"TdTbfqFfMacScheduler supports only PUSCH and SRS UL-CQIs");
1987 NS_LOG_INFO(
this <<
" P10-CQI for user " << (*itP10).first <<
" is "
1989 if ((*itP10).second == 0)
1994 " Does not find CQI report for user " << (*itP10).first);
1995 NS_LOG_INFO(
this <<
" P10-CQI expired for user " << (*itP10).first);
2012 NS_LOG_INFO(
this <<
" A30-CQI for user " << (*itA30).first <<
" is "
2014 if ((*itA30).second == 0)
2019 " Does not find CQI report for user " << (*itA30).first);
2020 NS_LOG_INFO(
this <<
" A30-CQI expired for user " << (*itA30).first);
2041 NS_LOG_INFO(
this <<
" UL-CQI for user " << (*itUl).first <<
" is "
2043 if ((*itUl).second == 0)
2046 auto itMap =
m_ueCqi.find((*itUl).first);
2048 " Does not find CQI report for user " << (*itUl).first);
2049 NS_LOG_INFO(
this <<
" UL-CQI exired for user " << (*itUl).first);
2050 (*itMap).second.clear();
2071 NS_LOG_INFO(
this <<
" UE " << rnti <<
" LC " << (uint16_t)lcid <<
" txqueue "
2072 << (*it).second.m_rlcTransmissionQueueSize <<
" retxqueue "
2073 << (*it).second.m_rlcRetransmissionQueueSize <<
" status "
2074 << (*it).second.m_rlcStatusPduSize <<
" decrease " << size);
2077 if (((*it).second.m_rlcStatusPduSize > 0) && (size >= (*it).second.m_rlcStatusPduSize))
2079 (*it).second.m_rlcStatusPduSize = 0;
2081 else if (((*it).second.m_rlcRetransmissionQueueSize > 0) &&
2082 (size >= (*it).second.m_rlcRetransmissionQueueSize))
2084 (*it).second.m_rlcRetransmissionQueueSize = 0;
2086 else if ((*it).second.m_rlcTransmissionQueueSize > 0)
2103 if ((*it).second.m_rlcTransmissionQueueSize <= size - rlcOverhead)
2105 (*it).second.m_rlcTransmissionQueueSize = 0;
2109 (*it).second.m_rlcTransmissionQueueSize -= size - rlcOverhead;
2115 NS_LOG_ERROR(
this <<
" Does not find DL RLC Buffer Report of UE " << rnti);
2126 NS_LOG_INFO(
this <<
" UE " << rnti <<
" size " << size <<
" BSR " << (*it).second);
2127 if ((*it).second >= size)
2129 (*it).second -= size;
2138 NS_LOG_ERROR(
this <<
" Does not find BSR report info of UE " << rnti);
2145 NS_LOG_FUNCTION(
this <<
" RNTI " << rnti <<
" txMode " << (uint16_t)txMode);
2147 params.m_rnti = rnti;
2148 params.m_transmissionMode = txMode;
AttributeValue implementation for Boolean.
static uint32_t BsrId2BufferSize(uint8_t val)
Convert BSR ID to buffer size.
FfMacCschedSapUser class.
virtual void CschedUeConfigCnf(const CschedUeConfigCnfParameters ¶ms)=0
CSCHED_UE_CONFIG_CNF.
virtual void CschedUeConfigUpdateInd(const CschedUeConfigUpdateIndParameters ¶ms)=0
CSCHED_UE_UPDATE_IND.
virtual void SchedUlConfigInd(const SchedUlConfigIndParameters ¶ms)=0
SCHED_UL_CONFIG_IND.
virtual void SchedDlConfigInd(const SchedDlConfigIndParameters ¶ms)=0
SCHED_DL_CONFIG_IND.
This abstract base class identifies the interface by means of which the helper object can plug on the...
UlCqiFilter_t m_ulCqiFilter
UL CQI filter.
Hold a signed integer type.
static double fpS11dot3toDouble(uint16_t val)
Convert from fixed point S11.3 notation to double.
Service Access Point (SAP) offered by the Frequency Reuse algorithm instance to the MAC Scheduler ins...
virtual uint8_t GetTpc(uint16_t rnti)=0
GetTpc.
virtual std::vector< bool > GetAvailableUlRbg()=0
Get vector of available RB in UL for this Cell.
virtual void ReportUlCqiInfo(const FfMacSchedSapProvider::SchedUlCqiInfoReqParameters ¶ms)=0
ReportUlCqiInfo.
virtual bool IsUlRbgAvailableForUe(int i, uint16_t rnti)=0
Check if UE can be served on i-th RB in UL.
virtual void ReportDlCqiInfo(const FfMacSchedSapProvider::SchedDlCqiInfoReqParameters ¶ms)=0
ReportDlCqiInfo.
virtual std::vector< bool > GetAvailableDlRbg()=0
Get vector of available RBG in DL for this Cell.
virtual uint16_t GetMinContinuousUlBandwidth()=0
Get the minimum continuous Ul bandwidth.
virtual bool IsDlRbgAvailableForUe(int i, uint16_t rnti)=0
Check if UE can be served on i-th RB in DL.
Service Access Point (SAP) offered by the eNodeB RRC instance to the Frequency Reuse algorithm instan...
Template for the implementation of the LteFfrSapUser as a member of an owner class of type C to which...
Smart pointer class similar to boost::intrusive_ptr.
static Time Now()
Return the current simulation virtual time.
Implements the SCHED SAP and CSCHED SAP for a Time Domain Token Bank Fair Queue scheduler.
uint16_t m_nextRntiUl
RNTI of the next user to be served next scheduling in UL.
bool HarqProcessAvailability(uint16_t rnti)
Return the availability of free process for the RNTI specified.
void SetLteFfrSapProvider(LteFfrSapProvider *s) override
Set the Provider part of the LteFfrSap that this Scheduler will interact with.
static TypeId GetTypeId()
Get the type ID.
std::map< uint16_t, uint8_t > m_uesTxMode
txMode of the UEs
std::map< uint16_t, DlHarqProcessesTimer_t > m_dlHarqProcessesTimer
DL HARQ process timer.
void UpdateDlRlcBufferInfo(uint16_t rnti, uint8_t lcid, uint16_t size)
Update DL RLC buffer info function.
void UpdateUlRlcBufferInfo(uint16_t rnti, uint16_t size)
Update UL RLC buffer info function.
~TdTbfqFfMacScheduler() override
Destructor.
FfMacSchedSapProvider * m_schedSapProvider
Sched SAP provider.
std::map< uint16_t, UlHarqProcessesDciBuffer_t > m_ulHarqProcessesDciBuffer
UL HARQ process DCI buffer.
FfMacCschedSapProvider::CschedCellConfigReqParameters m_cschedCellConfig
CSched cell config.
FfMacSchedSapUser * m_schedSapUser
A=Sched SAP user.
unsigned int LcActivePerFlow(uint16_t rnti)
LC active flow size.
std::map< uint16_t, DlHarqProcessesDciBuffer_t > m_dlHarqProcessesDciBuffer
DL HARQ process DCI buffer.
std::map< uint16_t, DlHarqRlcPduListBuffer_t > m_dlHarqProcessesRlcPduListBuffer
DL HARQ process RLC PDU list buffer.
uint32_t m_cqiTimersThreshold
uint32_t m_creditLimit
flow credit limit (byte)
void DoSchedUlMacCtrlInfoReq(const FfMacSchedSapProvider::SchedUlMacCtrlInfoReqParameters ¶ms)
Sched UL MAC control info request.
uint8_t UpdateHarqProcessId(uint16_t rnti)
Update and return a new process Id for the RNTI specified.
void DoSchedUlTriggerReq(const FfMacSchedSapProvider::SchedUlTriggerReqParameters ¶ms)
Sched UL trigger request.
std::map< uint16_t, uint32_t > m_a30CqiTimers
Map of UE's timers on DL CQI A30 received.
std::vector< uint16_t > m_rachAllocationMap
RACH allocation map.
LteFfrSapUser * m_ffrSapUser
FFR SAP user.
std::map< uint16_t, uint32_t > m_ceBsrRxed
Map of UE's buffer status reports received.
int GetRbgSize(int dlbandwidth)
Get RBG size.
std::map< uint16_t, uint32_t > m_p10CqiTimers
Map of UE's timers on DL CQI P01 received.
std::map< uint16_t, uint8_t > m_ulHarqCurrentProcessId
UL HARQ current process ID.
void DoSchedDlPagingBufferReq(const FfMacSchedSapProvider::SchedDlPagingBufferReqParameters ¶ms)
Sched DL paging buffer request.
void RefreshDlCqiMaps()
Refresh DL CQI maps function.
uint8_t m_ulGrantMcs
MCS for UL grant (default 0)
std::map< uint16_t, std::vector< double > > m_ueCqi
Map of UEs' UL-CQI per RBG.
FfMacSchedSapProvider * GetFfMacSchedSapProvider() override
uint32_t m_creditableThreshold
threshold of flow credit
void DoSchedDlTriggerReq(const FfMacSchedSapProvider::SchedDlTriggerReqParameters ¶ms)
Sched DL trigger request.
std::map< uint16_t, tdtbfqsFlowPerf_t > m_flowStatsUl
Map of UE statistics (per RNTI basis)
LteFfrSapUser * GetLteFfrSapUser() override
FfMacCschedSapProvider * GetFfMacCschedSapProvider() override
void DoSchedDlMacBufferReq(const FfMacSchedSapProvider::SchedDlMacBufferReqParameters ¶ms)
Sched DL MAC buffer request.
void DoCschedLcConfigReq(const FfMacCschedSapProvider::CschedLcConfigReqParameters ¶ms)
CSched LC config request.
void TransmissionModeConfigurationUpdate(uint16_t rnti, uint8_t txMode)
Transmission mde configuration update function.
friend class MemberCschedSapProvider< TdTbfqFfMacScheduler >
allow MemberCschedSapProvider<TdTbfqFfMacScheduler> class friend access
void DoSchedDlRachInfoReq(const FfMacSchedSapProvider::SchedDlRachInfoReqParameters ¶ms)
Sched DL RACH info request.
std::map< LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters > m_rlcBufferReq
Vectors of UE's LC info.
FfMacCschedSapProvider * m_cschedSapProvider
CSched SAP provider.
void RefreshUlCqiMaps()
Refresh UL CQI maps function.
void DoSchedUlCqiInfoReq(const FfMacSchedSapProvider::SchedUlCqiInfoReqParameters ¶ms)
Sched UL CQI info request.
void SetFfMacSchedSapUser(FfMacSchedSapUser *s) override
set the user part of the FfMacSchedSap that this Scheduler will interact with.
int m_debtLimit
flow debt limit (byte)
double EstimateUlSinr(uint16_t rnti, uint16_t rb)
Estimate UL SINR function.
std::vector< RachListElement_s > m_rachList
RACH list.
void DoCschedLcReleaseReq(const FfMacCschedSapProvider::CschedLcReleaseReqParameters ¶ms)
CSched LC release request.
LteFfrSapProvider * m_ffrSapProvider
FFR SAP provider.
void DoSchedUlSrInfoReq(const FfMacSchedSapProvider::SchedUlSrInfoReqParameters ¶ms)
Sched UL SR info request.
std::map< uint16_t, uint8_t > m_p10CqiRxed
Map of UE's DL CQI P01 received.
void DoCschedUeConfigReq(const FfMacCschedSapProvider::CschedUeConfigReqParameters ¶ms)
CSched UE config request.
friend class MemberSchedSapProvider< TdTbfqFfMacScheduler >
allow MemberSchedSapProvider<TdTbfqFfMacScheduler> class friend access
uint32_t m_tokenPoolSize
maximum size of token pool (byte)
void DoCschedUeReleaseReq(const FfMacCschedSapProvider::CschedUeReleaseReqParameters ¶ms)
CSched UE release request.
std::map< uint16_t, DlHarqProcessesStatus_t > m_dlHarqProcessesStatus
DL HARQ process status.
void DoSchedDlRlcBufferReq(const FfMacSchedSapProvider::SchedDlRlcBufferReqParameters ¶ms)
Sched DL RLC buffer request.
FfMacCschedSapUser * m_cschedSapUser
CSched SAP user.
std::map< uint16_t, uint32_t > m_ueCqiTimers
Map of UEs' timers on UL-CQI per RBG.
void DoDispose() override
Destructor implementation.
std::map< uint16_t, uint8_t > m_dlHarqCurrentProcessId
DL HARQ current process ID.
std::map< uint16_t, std::vector< uint16_t > > m_allocationMaps
Map of previous allocated UE per RBG (used to retrieve info from UL-CQI)
void RefreshHarqProcesses()
Refresh HARQ processes according to the timers.
TdTbfqFfMacScheduler()
Constructor.
void SetFfMacCschedSapUser(FfMacCschedSapUser *s) override
set the user part of the FfMacCschedSap that this Scheduler will interact with.
std::vector< DlInfoListElement_s > m_dlInfoListBuffered
HARQ retx buffered.
void DoSchedUlNoiseInterferenceReq(const FfMacSchedSapProvider::SchedUlNoiseInterferenceReqParameters ¶ms)
Sched UL noise interference request.
std::map< uint16_t, UlHarqProcessesStatus_t > m_ulHarqProcessesStatus
UL HARQ process status.
void DoCschedCellConfigReq(const FfMacCschedSapProvider::CschedCellConfigReqParameters ¶ms)
CSched cell config request.
void DoSchedDlCqiInfoReq(const FfMacSchedSapProvider::SchedDlCqiInfoReqParameters ¶ms)
Sched DL CQI info request.
std::map< uint16_t, tdtbfqsFlowPerf_t > m_flowStatsDl
Map of UE statistics (per RNTI basis) in downlink.
std::map< uint16_t, SbMeasResult_s > m_a30CqiRxed
Map of UE's DL CQI A30 received.
uint64_t bankSize
the number of bytes in token bank
bool m_harqOn
m_harqOn when false inhibit the HARQ mechanisms (by default active)
static uint8_t TxMode2LayerNum(uint8_t txMode)
Transmit mode 2 layer number.
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Hold an unsigned integer type.
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
#define NS_ASSERT_MSG(condition, message)
At runtime, in debugging builds, if this condition is not true, the program prints the message to out...
Ptr< const AttributeAccessor > MakeBooleanAccessor(T1 a1)
Ptr< const AttributeChecker > MakeBooleanChecker()
Ptr< const AttributeAccessor > MakeIntegerAccessor(T1 a1)
Ptr< const AttributeAccessor > MakeUintegerAccessor(T1 a1)
#define NS_FATAL_ERROR(msg)
Report a fatal error with a message and terminate.
#define NS_ABORT_MSG_IF(cond, msg)
Abnormal program termination if a condition is true, with a message.
#define NS_LOG_ERROR(msg)
Use NS_LOG to output a message of level LOG_ERROR.
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
#define NS_LOG_LOGIC(msg)
Use NS_LOG to output a message of level LOG_LOGIC.
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
constexpr double NO_SINR
Value for SINR outside the range defined by FF-API, used to indicate that there is no CQI for this el...
static const int TdTbfqType0AllocationRbg[4]
TDTBFQ type 0 allocation RBG.
std::vector< UlDciListElement_s > UlHarqProcessesDciBuffer_t
UL HARQ process DCI buffer vector.
std::vector< RlcPduList_t > DlHarqRlcPduListBuffer_t
Vector of the 8 HARQ processes per UE.
constexpr uint32_t HARQ_DL_TIMEOUT
HARQ DL timeout.
constexpr uint32_t HARQ_PROC_NUM
Number of HARQ processes.
std::vector< DlDciListElement_s > DlHarqProcessesDciBuffer_t
DL HARQ process DCI buffer vector.
std::vector< uint8_t > UlHarqProcessesStatus_t
UL HARQ process status vector.
std::vector< uint8_t > DlHarqProcessesTimer_t
DL HARQ process timer vector.
std::vector< uint8_t > DlHarqProcessesStatus_t
DL HARQ process status vector.
See section 4.3.8 buildDataListElement.
std::vector< std::vector< struct RlcPduListElement_s > > m_rlcPduList
RLC PDU list.
struct DlDciListElement_s m_dci
DCI.
See section 4.3.10 buildRARListElement.
See section 4.3.1 dlDciListElement.
std::vector< uint8_t > m_ndi
New data indicator.
uint8_t m_harqProcess
HARQ process.
uint32_t m_rbBitmap
RB bitmap.
std::vector< uint8_t > m_mcs
MCS.
uint8_t m_resAlloc
The type of resource allocation.
std::vector< uint16_t > m_tbsSize
The TBs size.
std::vector< uint8_t > m_rv
Redundancy version.
uint8_t m_tpc
Tx power control command.
Parameters of the API primitives.
uint16_t m_dlBandwidth
DL bandwidth.
uint16_t m_ulBandwidth
UL bandwidth.
Parameters of the CSCHED_LC_CONFIG_REQ primitive.
Parameters of the CSCHED_LC_RELEASE_REQ primitive.
Parameters of the CSCHED_UE_CONFIG_REQ primitive.
Parameters of the CSCHED_UE_RELEASE_REQ primitive.
Parameters of the CSCHED_UE_CONFIG_CNF primitive.
Parameters of the CSCHED_UE_CONFIG_UPDATE_IND primitive.
Parameters of the SCHED_DL_CQI_INFO_REQ primitive.
Parameters of the SCHED_DL_MAC_BUFFER_REQ primitive.
Parameters of the SCHED_DL_PAGING_BUFFER_REQ primitive.
Parameters of the SCHED_DL_RACH_INFO_REQ primitive.
Parameters of the API primitives.
Parameters of the SCHED_DL_TRIGGER_REQ primitive.
Parameters of the SCHED_UL_CQI_INFO_REQ primitive.
Parameters of the SCHED_UL_MAC_CTRL_INFO_REQ primitive.
Parameters of the SCHED_UL_NOISE_INTERFERENCE_REQ primitive.
Parameters of the SCHED_UL_SR_INFO_REQ primitive.
Parameters of the SCHED_UL_TRIGGER_REQ primitive.
Parameters of the API primitives.
std::vector< BuildDataListElement_s > m_buildDataList
build data list
std::vector< BuildRarListElement_s > m_buildRarList
build rar list
uint8_t m_nrOfPdcchOfdmSymbols
number of PDCCH OFDM symbols
Parameters of the SCHED_UL_CONFIG_IND primitive.
std::vector< UlDciListElement_s > m_dciList
DCI list.
See section 4.3.9 rlcPDU_ListElement.
uint8_t m_logicalChannelIdentity
logical channel identity
See section 4.3.2 ulDciListElement.
int8_t m_pdcchPowerOffset
CCH power offset.
int8_t m_tpc
Tx power control command.
uint8_t m_dai
DL assignment index.
uint8_t m_cceIndex
Control Channel Element index.
uint8_t m_ulIndex
UL index.
uint8_t m_ueTxAntennaSelection
UE antenna selection.
bool m_cqiRequest
CQI request.
uint8_t m_freqHopping
freq hopping
uint8_t m_aggrLevel
The aggregation level.
int8_t m_tpc
Tx power control command.
bool m_cqiRequest
CQI request?
uint32_t tokenPoolSize
current size of token pool (byte)
int debtLimit
counter threshold that the flow cannot further borrow tokens from bank
uint32_t maxTokenPoolSize
maximum size of token pool (byte)
int counter
the number of token borrow or given to token bank
uint32_t creditableThreshold
the flow cannot borrow token from bank until the number of token it has deposited to bank reaches thi...
uint64_t packetArrivalRate
packet arrival rate( byte/s)
uint64_t tokenGenerationRate
token generation rate ( byte/s )
Time flowStart
flow start time
uint32_t burstCredit
the maximum number of tokens connection i can borrow from the bank each time