22 #include <ns3/pointer.h>
25 #include <ns3/simulator.h>
26 #include <ns3/lte-amc.h>
27 #include <ns3/pf-ff-mac-scheduler.h>
28 #include <ns3/lte-vendor-specific-parameters.h>
29 #include <ns3/boolean.h>
36 int PfType0AllocationRbg[4] = {
44 NS_OBJECT_ENSURE_REGISTERED (PfFfMacScheduler);
65 PfSchedulerMemberCschedSapProvider::PfSchedulerMemberCschedSapProvider ()
69 PfSchedulerMemberCschedSapProvider::PfSchedulerMemberCschedSapProvider (PfFfMacScheduler* scheduler) : m_scheduler (scheduler)
77 m_scheduler->DoCschedCellConfigReq (params);
81 PfSchedulerMemberCschedSapProvider::CschedUeConfigReq (
const struct CschedUeConfigReqParameters& params)
83 m_scheduler->DoCschedUeConfigReq (params);
88 PfSchedulerMemberCschedSapProvider::CschedLcConfigReq (
const struct CschedLcConfigReqParameters& params)
90 m_scheduler->DoCschedLcConfigReq (params);
94 PfSchedulerMemberCschedSapProvider::CschedLcReleaseReq (
const struct CschedLcReleaseReqParameters& params)
96 m_scheduler->DoCschedLcReleaseReq (params);
100 PfSchedulerMemberCschedSapProvider::CschedUeReleaseReq (
const struct CschedUeReleaseReqParameters& params)
102 m_scheduler->DoCschedUeReleaseReq (params);
134 PfSchedulerMemberSchedSapProvider::PfSchedulerMemberSchedSapProvider ()
139 PfSchedulerMemberSchedSapProvider::PfSchedulerMemberSchedSapProvider (PfFfMacScheduler* scheduler)
140 : m_scheduler (scheduler)
145 PfSchedulerMemberSchedSapProvider::SchedDlRlcBufferReq (
const struct SchedDlRlcBufferReqParameters& params)
147 m_scheduler->DoSchedDlRlcBufferReq (params);
151 PfSchedulerMemberSchedSapProvider::SchedDlPagingBufferReq (
const struct SchedDlPagingBufferReqParameters& params)
153 m_scheduler->DoSchedDlPagingBufferReq (params);
157 PfSchedulerMemberSchedSapProvider::SchedDlMacBufferReq (
const struct SchedDlMacBufferReqParameters& params)
159 m_scheduler->DoSchedDlMacBufferReq (params);
163 PfSchedulerMemberSchedSapProvider::SchedDlTriggerReq (
const struct SchedDlTriggerReqParameters& params)
165 m_scheduler->DoSchedDlTriggerReq (params);
169 PfSchedulerMemberSchedSapProvider::SchedDlRachInfoReq (
const struct SchedDlRachInfoReqParameters& params)
171 m_scheduler->DoSchedDlRachInfoReq (params);
175 PfSchedulerMemberSchedSapProvider::SchedDlCqiInfoReq (
const struct SchedDlCqiInfoReqParameters& params)
177 m_scheduler->DoSchedDlCqiInfoReq (params);
181 PfSchedulerMemberSchedSapProvider::SchedUlTriggerReq (
const struct SchedUlTriggerReqParameters& params)
183 m_scheduler->DoSchedUlTriggerReq (params);
187 PfSchedulerMemberSchedSapProvider::SchedUlNoiseInterferenceReq (
const struct SchedUlNoiseInterferenceReqParameters& params)
189 m_scheduler->DoSchedUlNoiseInterferenceReq (params);
193 PfSchedulerMemberSchedSapProvider::SchedUlSrInfoReq (
const struct SchedUlSrInfoReqParameters& params)
195 m_scheduler->DoSchedUlSrInfoReq (params);
199 PfSchedulerMemberSchedSapProvider::SchedUlMacCtrlInfoReq (
const struct SchedUlMacCtrlInfoReqParameters& params)
201 m_scheduler->DoSchedUlMacCtrlInfoReq (params);
205 PfSchedulerMemberSchedSapProvider::SchedUlCqiInfoReq (
const struct SchedUlCqiInfoReqParameters& params)
207 m_scheduler->DoSchedUlCqiInfoReq (params);
215 : m_cschedSapUser (0),
220 m_amc = CreateObject <LteAmc> ();
234 m_dlHarqProcessesDciBuffer.clear ();
235 m_dlHarqProcessesTimer.clear ();
236 m_dlHarqProcessesRlcPduListBuffer.clear ();
237 m_dlInfoListBuffered.clear ();
238 m_ulHarqCurrentProcessId.clear ();
239 m_ulHarqProcessesStatus.clear ();
240 m_ulHarqProcessesDciBuffer.clear ();
241 delete m_cschedSapProvider;
242 delete m_schedSapProvider;
246 PfFfMacScheduler::GetTypeId (
void)
250 .AddConstructor<PfFfMacScheduler> ()
251 .AddAttribute (
"CqiTimerThreshold",
252 "The number of TTIs a CQI is valid (default 1000 - 1 sec.)",
254 MakeUintegerAccessor (&PfFfMacScheduler::m_cqiTimersThreshold),
255 MakeUintegerChecker<uint32_t> ())
256 .AddAttribute (
"HarqEnabled",
257 "Activate/Deactivate the HARQ [by default is active].",
260 MakeBooleanChecker ())
261 .AddAttribute (
"UlGrantMcs",
262 "The MCS of the UL grant, must be [0..15] (default 0)",
264 MakeUintegerAccessor (&PfFfMacScheduler::m_ulGrantMcs),
265 MakeUintegerChecker<uint8_t> ())
287 return m_cschedSapProvider;
293 return m_schedSapProvider;
301 m_cschedCellConfig = params;
302 m_rachAllocationMap.resize (m_cschedCellConfig.m_ulBandwidth, 0);
304 cnf.m_result = SUCCESS;
305 m_cschedSapUser->CschedUeConfigCnf (cnf);
310 PfFfMacScheduler::DoCschedUeConfigReq (
const struct FfMacCschedSapProvider::CschedUeConfigReqParameters& params)
312 NS_LOG_FUNCTION (
this <<
" RNTI " << params.m_rnti <<
" txMode " << (uint16_t)params.m_transmissionMode);
313 std::map <uint16_t,uint8_t>::iterator it = m_uesTxMode.find (params.m_rnti);
314 if (it == m_uesTxMode.end ())
316 m_uesTxMode.insert (std::pair <uint16_t, double> (params.m_rnti, params.m_transmissionMode));
318 m_dlHarqCurrentProcessId.insert (std::pair <uint16_t,uint8_t > (params.m_rnti, 0));
319 DlHarqProcessesStatus_t dlHarqPrcStatus;
320 dlHarqPrcStatus.resize (8,0);
321 m_dlHarqProcessesStatus.insert (std::pair <uint16_t, DlHarqProcessesStatus_t> (params.m_rnti, dlHarqPrcStatus));
322 DlHarqProcessesTimer_t dlHarqProcessesTimer;
323 dlHarqProcessesTimer.resize (8,0);
324 m_dlHarqProcessesTimer.insert (std::pair <uint16_t, DlHarqProcessesTimer_t> (params.m_rnti, dlHarqProcessesTimer));
325 DlHarqProcessesDciBuffer_t dlHarqdci;
326 dlHarqdci.resize (8);
327 m_dlHarqProcessesDciBuffer.insert (std::pair <uint16_t, DlHarqProcessesDciBuffer_t> (params.m_rnti, dlHarqdci));
328 DlHarqRlcPduListBuffer_t dlHarqRlcPdu;
329 dlHarqRlcPdu.resize (2);
330 dlHarqRlcPdu.at (0).resize (8);
331 dlHarqRlcPdu.at (1).resize (8);
332 m_dlHarqProcessesRlcPduListBuffer.insert (std::pair <uint16_t, DlHarqRlcPduListBuffer_t> (params.m_rnti, dlHarqRlcPdu));
333 m_ulHarqCurrentProcessId.insert (std::pair <uint16_t,uint8_t > (params.m_rnti, 0));
334 UlHarqProcessesStatus_t ulHarqPrcStatus;
335 ulHarqPrcStatus.resize (8,0);
336 m_ulHarqProcessesStatus.insert (std::pair <uint16_t, UlHarqProcessesStatus_t> (params.m_rnti, ulHarqPrcStatus));
337 UlHarqProcessesDciBuffer_t ulHarqdci;
338 ulHarqdci.resize (8);
339 m_ulHarqProcessesDciBuffer.insert (std::pair <uint16_t, UlHarqProcessesDciBuffer_t> (params.m_rnti, ulHarqdci));
343 (*it).second = params.m_transmissionMode;
349 PfFfMacScheduler::DoCschedLcConfigReq (
const struct FfMacCschedSapProvider::CschedLcConfigReqParameters& params)
353 std::map <uint16_t, pfsFlowPerf_t>::iterator it;
354 for (uint16_t i = 0; i < params.m_logicalChannelConfigList.size (); i++)
356 it = m_flowStatsDl.find (params.m_rnti);
358 if (it == m_flowStatsDl.end ())
360 pfsFlowPerf_t flowStatsDl;
362 flowStatsDl.totalBytesTransmitted = 0;
363 flowStatsDl.lastTtiBytesTrasmitted = 0;
364 flowStatsDl.lastAveragedThroughput = 1;
365 m_flowStatsDl.insert (std::pair<uint16_t, pfsFlowPerf_t> (params.m_rnti, flowStatsDl));
366 pfsFlowPerf_t flowStatsUl;
368 flowStatsUl.totalBytesTransmitted = 0;
369 flowStatsUl.lastTtiBytesTrasmitted = 0;
370 flowStatsUl.lastAveragedThroughput = 1;
371 m_flowStatsUl.insert (std::pair<uint16_t, pfsFlowPerf_t> (params.m_rnti, flowStatsUl));
383 PfFfMacScheduler::DoCschedLcReleaseReq (
const struct FfMacCschedSapProvider::CschedLcReleaseReqParameters& params)
386 for (uint16_t i = 0; i < params.m_logicalChannelIdentity.size (); i++)
388 std::map<LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator it = m_rlcBufferReq.begin ();
389 std::map<LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator temp;
390 while (it!=m_rlcBufferReq.end ())
392 if (((*it).first.m_rnti == params.m_rnti) && ((*it).first.m_lcId == params.m_logicalChannelIdentity.at (i)))
396 m_rlcBufferReq.erase (temp);
408 PfFfMacScheduler::DoCschedUeReleaseReq (
const struct FfMacCschedSapProvider::CschedUeReleaseReqParameters& params)
412 m_uesTxMode.erase (params.m_rnti);
413 m_dlHarqCurrentProcessId.erase (params.m_rnti);
414 m_dlHarqProcessesStatus.erase (params.m_rnti);
415 m_dlHarqProcessesTimer.erase (params.m_rnti);
416 m_dlHarqProcessesDciBuffer.erase (params.m_rnti);
417 m_dlHarqProcessesRlcPduListBuffer.erase (params.m_rnti);
418 m_ulHarqCurrentProcessId.erase (params.m_rnti);
419 m_ulHarqProcessesStatus.erase (params.m_rnti);
420 m_ulHarqProcessesDciBuffer.erase (params.m_rnti);
421 m_flowStatsDl.erase (params.m_rnti);
422 m_flowStatsUl.erase (params.m_rnti);
423 m_ceBsrRxed.erase (params.m_rnti);
424 std::map<LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator it = m_rlcBufferReq.begin ();
425 std::map<LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator temp;
426 while (it!=m_rlcBufferReq.end ())
428 if ((*it).first.m_rnti == params.m_rnti)
432 m_rlcBufferReq.erase (temp);
439 if (m_nextRntiUl == params.m_rnti)
449 PfFfMacScheduler::DoSchedDlRlcBufferReq (
const struct FfMacSchedSapProvider::SchedDlRlcBufferReqParameters& params)
451 NS_LOG_FUNCTION (
this << params.m_rnti << (uint32_t) params.m_logicalChannelIdentity);
454 std::map <LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator it;
456 LteFlowId_t flow (params.m_rnti, params.m_logicalChannelIdentity);
458 it = m_rlcBufferReq.find (flow);
460 if (it == m_rlcBufferReq.end ())
462 m_rlcBufferReq.insert (std::pair <LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters> (flow, params));
466 (*it).second = params;
473 PfFfMacScheduler::DoSchedDlPagingBufferReq (
const struct FfMacSchedSapProvider::SchedDlPagingBufferReqParameters& params)
481 PfFfMacScheduler::DoSchedDlMacBufferReq (
const struct FfMacSchedSapProvider::SchedDlMacBufferReqParameters& params)
489 PfFfMacScheduler::GetRbgSize (
int dlbandwidth)
491 for (
int i = 0; i < 4; i++)
493 if (dlbandwidth < PfType0AllocationRbg[i])
504 PfFfMacScheduler::LcActivePerFlow (uint16_t rnti)
506 std::map <LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator it;
508 for (it = m_rlcBufferReq.begin (); it != m_rlcBufferReq.end (); it++)
510 if (((*it).first.m_rnti == rnti) && (((*it).second.m_rlcTransmissionQueueSize > 0)
511 || ((*it).second.m_rlcRetransmissionQueueSize > 0)
512 || ((*it).second.m_rlcStatusPduSize > 0) ))
516 if ((*it).first.m_rnti > rnti)
531 std::map <uint16_t, uint8_t>::iterator it = m_dlHarqCurrentProcessId.find (rnti);
532 if (it == m_dlHarqCurrentProcessId.end ())
536 std::map <uint16_t, DlHarqProcessesStatus_t>::iterator itStat = m_dlHarqProcessesStatus.find (rnti);
537 if (itStat == m_dlHarqProcessesStatus.end ())
539 NS_FATAL_ERROR (
"No Process Id Statusfound for this RNTI " << rnti);
541 uint8_t i = (*it).second;
544 i = (i + 1) % HARQ_PROC_NUM;
546 while ( ((*itStat).second.at (i) != 0)&&(i != (*it).second));
547 if ((*itStat).second.at (i) == 0)
570 std::map <uint16_t, uint8_t>::iterator it = m_dlHarqCurrentProcessId.find (rnti);
571 if (it == m_dlHarqCurrentProcessId.end ())
575 std::map <uint16_t, DlHarqProcessesStatus_t>::iterator itStat = m_dlHarqProcessesStatus.find (rnti);
576 if (itStat == m_dlHarqProcessesStatus.end ())
578 NS_FATAL_ERROR (
"No Process Id Statusfound for this RNTI " << rnti);
580 uint8_t i = (*it).second;
583 i = (i + 1) % HARQ_PROC_NUM;
585 while ( ((*itStat).second.at (i) != 0)&&(i != (*it).second));
586 if ((*itStat).second.at (i) == 0)
589 (*itStat).second.at (i) = 1;
593 NS_FATAL_ERROR (
"No HARQ process available for RNTI " << rnti <<
" check before update with HarqProcessAvailability");
596 return ((*it).second);
605 std::map <uint16_t, DlHarqProcessesTimer_t>::iterator itTimers;
606 for (itTimers = m_dlHarqProcessesTimer.begin (); itTimers != m_dlHarqProcessesTimer.end (); itTimers ++)
608 for (uint16_t i = 0; i < HARQ_PROC_NUM; i++)
610 if ((*itTimers).second.at (i) == HARQ_DL_TIMEOUT)
614 NS_LOG_DEBUG (
this <<
" Reset HARQ proc " << i <<
" for RNTI " << (*itTimers).first);
615 std::map <uint16_t, DlHarqProcessesStatus_t>::iterator itStat = m_dlHarqProcessesStatus.find ((*itTimers).first);
616 if (itStat == m_dlHarqProcessesStatus.end ())
618 NS_FATAL_ERROR (
"No Process Id Status found for this RNTI " << (*itTimers).first);
620 (*itStat).second.at (i) = 0;
621 (*itTimers).second.at (i) = 0;
625 (*itTimers).second.at (i)++;
636 NS_LOG_FUNCTION (
this <<
" Frame no. " << (params.m_sfnSf >> 4) <<
" subframe no. " << (0xF & params.m_sfnSf));
646 int rbgSize = GetRbgSize (m_cschedCellConfig.m_dlBandwidth);
647 int rbgNum = m_cschedCellConfig.m_dlBandwidth / rbgSize;
648 std::map <uint16_t, std::vector <uint16_t> > allocationMap;
649 std::vector <bool> rbgMap;
650 uint16_t rbgAllocatedNum = 0;
651 std::set <uint16_t> rntiAllocated;
652 rbgMap.resize (m_cschedCellConfig.m_dlBandwidth / rbgSize,
false);
656 m_rachAllocationMap.resize (m_cschedCellConfig.m_ulBandwidth, 0);
657 uint16_t rbStart = 0;
658 std::vector <struct RachListElement_s>::iterator itRach;
659 for (itRach = m_rachList.begin (); itRach != m_rachList.end (); itRach++)
661 NS_ASSERT_MSG (m_amc->GetTbSizeFromMcs (m_ulGrantMcs, m_cschedCellConfig.m_ulBandwidth) > (*itRach).m_estimatedSize,
" Default UL Grant MCS does not allow to send RACH messages");
663 newRar.m_rnti = (*itRach).m_rnti;
667 newRar.m_grant.m_rnti = newRar.m_rnti;
668 newRar.m_grant.m_mcs = m_ulGrantMcs;
670 uint16_t tbSizeBits = 0;
672 while ((tbSizeBits < (*itRach).m_estimatedSize) && (rbStart + rbLen < m_cschedCellConfig.m_ulBandwidth))
675 tbSizeBits = m_amc->GetTbSizeFromMcs (m_ulGrantMcs, rbLen);
677 if (tbSizeBits < (*itRach).m_estimatedSize)
682 newRar.m_grant.m_rbStart = rbStart;
683 newRar.m_grant.m_rbLen = rbLen;
684 newRar.m_grant.m_tbSize = tbSizeBits / 8;
685 newRar.m_grant.m_hopping =
false;
686 newRar.m_grant.m_tpc = 0;
687 newRar.m_grant.m_cqiRequest =
false;
688 newRar.m_grant.m_ulDelay =
false;
689 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);
690 for (uint16_t i = rbStart; i < rbStart + rbLen; i++)
692 m_rachAllocationMap.at (i) = (*itRach).m_rnti;
694 rbStart = rbStart + rbLen;
696 ret.m_buildRarList.push_back (newRar);
704 if (m_dlInfoListBuffered.size () > 0)
706 if (params.m_dlInfoList.size () > 0)
708 NS_LOG_INFO (
this <<
" Received DL-HARQ feedback");
709 m_dlInfoListBuffered.insert (m_dlInfoListBuffered.end (), params.m_dlInfoList.begin (), params.m_dlInfoList.end ());
714 if (params.m_dlInfoList.size () > 0)
716 m_dlInfoListBuffered = params.m_dlInfoList;
722 m_dlInfoListBuffered.clear ();
724 std::vector <struct DlInfoListElement_s> dlInfoListUntxed;
725 for (uint16_t i = 0; i < m_dlInfoListBuffered.size (); i++)
727 std::set <uint16_t>::iterator itRnti = rntiAllocated.find (m_dlInfoListBuffered.at (i).m_rnti);
728 if (itRnti != rntiAllocated.end ())
733 uint8_t nLayers = m_dlInfoListBuffered.at (i).m_harqStatus.size ();
734 std::vector <bool> retx;
735 NS_LOG_INFO (
this <<
" Processing DLHARQ feedback");
738 retx.push_back (m_dlInfoListBuffered.at (i).m_harqStatus.at (0) == DlInfoListElement_s::NACK);
739 retx.push_back (
false);
743 retx.push_back (m_dlInfoListBuffered.at (i).m_harqStatus.at (0) == DlInfoListElement_s::NACK);
744 retx.push_back (m_dlInfoListBuffered.at (i).m_harqStatus.at (1) == DlInfoListElement_s::NACK);
746 if (retx.at (0) || retx.at (1))
749 uint16_t rnti = m_dlInfoListBuffered.at (i).m_rnti;
750 uint8_t harqId = m_dlInfoListBuffered.at (i).m_harqProcessId;
751 NS_LOG_INFO (
this <<
" HARQ retx RNTI " << rnti <<
" harqId " << (uint16_t)harqId);
752 std::map <uint16_t, DlHarqProcessesDciBuffer_t>::iterator itHarq = m_dlHarqProcessesDciBuffer.find (rnti);
753 if (itHarq == m_dlHarqProcessesDciBuffer.end ())
758 DlDciListElement_s dci = (*itHarq).second.at (harqId);
760 if (dci.m_rv.size () == 1)
762 rv = dci.m_rv.at (0);
766 rv = (dci.m_rv.at (0) > dci.m_rv.at (1) ? dci.m_rv.at (0) : dci.m_rv.at (1));
772 NS_LOG_INFO (
"Maximum number of retransmissions reached -> drop process");
773 std::map <uint16_t, DlHarqProcessesStatus_t>::iterator it = m_dlHarqProcessesStatus.find (rnti);
774 if (it == m_dlHarqProcessesStatus.end ())
776 NS_LOG_ERROR (
"No info find in HARQ buffer for UE (might change eNB) " << m_dlInfoListBuffered.at (i).m_rnti);
778 (*it).second.at (harqId) = 0;
779 std::map <uint16_t, DlHarqRlcPduListBuffer_t>::iterator itRlcPdu = m_dlHarqProcessesRlcPduListBuffer.find (rnti);
780 if (itRlcPdu == m_dlHarqProcessesRlcPduListBuffer.end ())
782 NS_FATAL_ERROR (
"Unable to find RlcPdcList in HARQ buffer for RNTI " << m_dlInfoListBuffered.at (i).m_rnti);
784 for (uint16_t k = 0; k < (*itRlcPdu).second.size (); k++)
786 (*itRlcPdu).second.at (k).at (harqId).clear ();
792 std::vector <int> dciRbg;
794 NS_LOG_INFO (
"Original RBGs " << dci.m_rbBitmap <<
" rnti " << dci.m_rnti);
795 for (
int j = 0; j < 32; j++)
797 if (((dci.m_rbBitmap & mask) >> j) == 1)
799 dciRbg.push_back (j);
805 for (uint8_t j = 0; j < dciRbg.size (); j++)
807 if (rbgMap.at (dciRbg.at (j)) ==
true)
817 for (uint8_t j = 0; j < dciRbg.size (); j++)
819 rbgMap.at (dciRbg.at (j)) =
true;
820 NS_LOG_INFO (
"RBG " << dciRbg.at (j) <<
" assigned");
824 NS_LOG_INFO (
this <<
" Send retx in the same RBGs");
830 uint8_t rbgId = (dciRbg.at (dciRbg.size () - 1) + 1) % rbgNum;
831 uint8_t startRbg = dciRbg.at (dciRbg.size () - 1);
832 std::vector <bool> rbgMapCopy = rbgMap;
833 while ((j < dciRbg.size ())&&(startRbg != rbgId))
835 if (rbgMapCopy.at (rbgId) ==
false)
837 rbgMapCopy.at (rbgId) =
true;
838 dciRbg.at (j) = rbgId;
843 if (j == dciRbg.size ())
846 uint32_t rbgMask = 0;
847 for (uint16_t k = 0; k < dciRbg.size (); k++)
849 rbgMask = rbgMask + (0x1 << dciRbg.at (k));
852 dci.m_rbBitmap = rbgMask;
854 NS_LOG_INFO (
this <<
" Move retx in RBGs " << dciRbg.size ());
859 dlInfoListUntxed.push_back (params.m_dlInfoList.at (i));
860 NS_LOG_INFO (
this <<
" No resource for this retx -> buffer it");
864 BuildDataListElement_s newEl;
865 std::map <uint16_t, DlHarqRlcPduListBuffer_t>::iterator itRlcPdu = m_dlHarqProcessesRlcPduListBuffer.find (rnti);
866 if (itRlcPdu == m_dlHarqProcessesRlcPduListBuffer.end ())
868 NS_FATAL_ERROR (
"Unable to find RlcPdcList in HARQ buffer for RNTI " << rnti);
870 for (uint8_t j = 0; j < nLayers; j++)
874 if (j >= dci.m_ndi.size ())
877 dci.m_ndi.push_back (0);
878 dci.m_rv.push_back (0);
879 dci.m_mcs.push_back (0);
880 dci.m_tbsSize.push_back (0);
881 NS_LOG_INFO (
this <<
" layer " << (uint16_t)j <<
" no txed (MIMO transition)");
885 dci.m_ndi.at (j) = 0;
887 (*itHarq).second.at (harqId).m_rv.at (j)++;
888 NS_LOG_INFO (
this <<
" layer " << (uint16_t)j <<
" RV " << (uint16_t)dci.m_rv.at (j));
894 dci.m_ndi.at (j) = 0;
896 dci.m_mcs.at (j) = 0;
897 dci.m_tbsSize.at (j) = 0;
898 NS_LOG_INFO (
this <<
" layer " << (uint16_t)j <<
" no retx");
901 for (uint16_t k = 0; k < (*itRlcPdu).second.at (0).at (dci.m_harqProcess).size (); k++)
903 std::vector <struct RlcPduListElement_s> rlcPduListPerLc;
904 for (uint8_t j = 0; j < nLayers; j++)
908 if (j < dci.m_ndi.size ())
910 rlcPduListPerLc.push_back ((*itRlcPdu).second.at (j).at (dci.m_harqProcess).at (k));
915 if (rlcPduListPerLc.size () > 0)
917 newEl.m_rlcPduList.push_back (rlcPduListPerLc);
922 (*itHarq).second.at (harqId).m_rv = dci.m_rv;
924 std::map <uint16_t, DlHarqProcessesTimer_t>::iterator itHarqTimer = m_dlHarqProcessesTimer.find (rnti);
925 if (itHarqTimer== m_dlHarqProcessesTimer.end ())
927 NS_FATAL_ERROR (
"Unable to find HARQ timer for RNTI " << (uint16_t)rnti);
929 (*itHarqTimer).second.at (harqId) = 0;
930 ret.m_buildDataList.push_back (newEl);
931 rntiAllocated.insert (rnti);
936 NS_LOG_INFO (
this <<
" HARQ received ACK for UE " << m_dlInfoListBuffered.at (i).m_rnti);
937 std::map <uint16_t, DlHarqProcessesStatus_t>::iterator it = m_dlHarqProcessesStatus.find (m_dlInfoListBuffered.at (i).m_rnti);
938 if (it == m_dlHarqProcessesStatus.end ())
940 NS_FATAL_ERROR (
"No info find in HARQ buffer for UE " << m_dlInfoListBuffered.at (i).m_rnti);
942 (*it).second.at (m_dlInfoListBuffered.at (i).m_harqProcessId) = 0;
943 std::map <uint16_t, DlHarqRlcPduListBuffer_t>::iterator itRlcPdu = m_dlHarqProcessesRlcPduListBuffer.find (m_dlInfoListBuffered.at (i).m_rnti);
944 if (itRlcPdu == m_dlHarqProcessesRlcPduListBuffer.end ())
946 NS_FATAL_ERROR (
"Unable to find RlcPdcList in HARQ buffer for RNTI " << m_dlInfoListBuffered.at (i).m_rnti);
948 for (uint16_t k = 0; k < (*itRlcPdu).second.size (); k++)
950 (*itRlcPdu).second.at (k).at (m_dlInfoListBuffered.at (i).m_harqProcessId).clear ();
954 m_dlInfoListBuffered.clear ();
955 m_dlInfoListBuffered = dlInfoListUntxed;
959 for (
int i = 0; i < rbgNum; i++)
961 NS_LOG_INFO (
this <<
" ALLOCATION for RBG " << i <<
" of " << rbgNum);
962 if (rbgMap.at (i) ==
false)
964 std::map <uint16_t, pfsFlowPerf_t>::iterator it;
965 std::map <uint16_t, pfsFlowPerf_t>::iterator itMax = m_flowStatsDl.end ();
966 double rcqiMax = 0.0;
967 for (it = m_flowStatsDl.begin (); it != m_flowStatsDl.end (); it++)
969 std::set <uint16_t>::iterator itRnti = rntiAllocated.find ((*it).first);
973 if (itRnti != rntiAllocated.end ())
975 NS_LOG_DEBUG (
this <<
" RNTI discared for HARQ tx" << (uint16_t)(*it).first);
979 NS_LOG_DEBUG (
this <<
" RNTI discared for HARQ id" << (uint16_t)(*it).first);
983 std::map <uint16_t,SbMeasResult_s>::iterator itCqi;
984 itCqi = m_a30CqiRxed.find ((*it).first);
985 std::map <uint16_t,uint8_t>::iterator itTxMode;
986 itTxMode = m_uesTxMode.find ((*it).first);
987 if (itTxMode == m_uesTxMode.end ())
989 NS_FATAL_ERROR (
"No Transmission Mode info on user " << (*it).first);
991 int nLayer = TransmissionModesLayers::TxMode2LayerNum ((*itTxMode).second);
992 std::vector <uint8_t> sbCqi;
993 if (itCqi == m_a30CqiRxed.end ())
995 for (uint8_t k = 0; k < nLayer; k++)
1002 sbCqi = (*itCqi).second.m_higherLayerSelected.at (i).m_sbCqi;
1004 uint8_t cqi1 = sbCqi.at (0);
1006 if (sbCqi.size () > 1)
1008 cqi2 = sbCqi.at (1);
1011 if ((cqi1 > 0)||(cqi2 > 0))
1013 if (LcActivePerFlow ((*it).first) > 0)
1016 double achievableRate = 0.0;
1018 for (uint8_t k = 0; k < nLayer; k++)
1020 if (sbCqi.size () > k)
1022 mcs = m_amc->GetMcsFromCqi (sbCqi.at (k));
1029 achievableRate += ((m_amc->GetTbSizeFromMcs (mcs, rbgSize) / 8) / 0.001);
1032 double rcqi = achievableRate / (*it).second.lastAveragedThroughput;
1033 NS_LOG_INFO (
this <<
" RNTI " << (*it).first <<
" MCS " << (uint32_t)mcs <<
" achievableRate " << achievableRate <<
" avgThr " << (*it).second.lastAveragedThroughput <<
" RCQI " << rcqi);
1044 if (itMax == m_flowStatsDl.end ())
1051 rbgMap.at (i) =
true;
1052 std::map <uint16_t, std::vector <uint16_t> >::iterator itMap;
1053 itMap = allocationMap.find ((*itMax).first);
1054 if (itMap == allocationMap.end ())
1057 std::vector <uint16_t> tempMap;
1058 tempMap.push_back (i);
1059 allocationMap.insert (std::pair <uint16_t, std::vector <uint16_t> > ((*itMax).first, tempMap));
1063 (*itMap).second.push_back (i);
1065 NS_LOG_INFO (
this <<
" UE assigned " << (*itMax).first);
1071 std::map <uint16_t, pfsFlowPerf_t>::iterator itStats;
1072 for (itStats = m_flowStatsDl.begin (); itStats != m_flowStatsDl.end (); itStats++)
1074 (*itStats).second.lastTtiBytesTrasmitted = 0;
1079 std::map <uint16_t, std::vector <uint16_t> >::iterator itMap = allocationMap.begin ();
1080 while (itMap != allocationMap.end ())
1083 BuildDataListElement_s newEl;
1084 newEl.m_rnti = (*itMap).first;
1086 DlDciListElement_s newDci;
1087 newDci.m_rnti = (*itMap).first;
1090 uint16_t lcActives = LcActivePerFlow ((*itMap).first);
1091 NS_LOG_INFO (
this <<
"Allocate user " << newEl.m_rnti <<
" rbg " << lcActives);
1092 uint16_t RgbPerRnti = (*itMap).second.size ();
1093 std::map <uint16_t,SbMeasResult_s>::iterator itCqi;
1094 itCqi = m_a30CqiRxed.find ((*itMap).first);
1095 std::map <uint16_t,uint8_t>::iterator itTxMode;
1096 itTxMode = m_uesTxMode.find ((*itMap).first);
1097 if (itTxMode == m_uesTxMode.end ())
1099 NS_FATAL_ERROR (
"No Transmission Mode info on user " << (*itMap).first);
1101 int nLayer = TransmissionModesLayers::TxMode2LayerNum ((*itTxMode).second);
1102 std::vector <uint8_t> worstCqi (2, 15);
1103 if (itCqi != m_a30CqiRxed.end ())
1105 for (uint16_t k = 0; k < (*itMap).second.size (); k++)
1107 if ((*itCqi).second.m_higherLayerSelected.size () > (*itMap).second.at (k))
1109 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)) );
1110 for (uint8_t j = 0; j < nLayer; j++)
1112 if ((*itCqi).second.m_higherLayerSelected.at ((*itMap).second.at (k)).m_sbCqi.size () > j)
1114 if (((*itCqi).second.m_higherLayerSelected.at ((*itMap).second.at (k)).m_sbCqi.at (j)) < worstCqi.at (j))
1116 worstCqi.at (j) = ((*itCqi).second.m_higherLayerSelected.at ((*itMap).second.at (k)).m_sbCqi.at (j));
1122 worstCqi.at (j) = 1;
1128 for (uint8_t j = 0; j < nLayer; j++)
1130 worstCqi.at (j) = 1;
1137 for (uint8_t j = 0; j < nLayer; j++)
1139 worstCqi.at (j) = 1;
1142 for (uint8_t j = 0; j < nLayer; j++)
1144 NS_LOG_INFO (
this <<
" Layer " << (uint16_t)j <<
" CQI selected " << (uint16_t)worstCqi.at (j));
1146 uint32_t bytesTxed = 0;
1147 for (uint8_t j = 0; j < nLayer; j++)
1149 newDci.m_mcs.push_back (m_amc->GetMcsFromCqi (worstCqi.at (j)));
1150 int tbSize = (m_amc->GetTbSizeFromMcs (newDci.m_mcs.at (j), RgbPerRnti * rbgSize) / 8);
1151 newDci.m_tbsSize.push_back (tbSize);
1152 NS_LOG_INFO (
this <<
" Layer " << (uint16_t)j <<
" MCS selected" << m_amc->GetMcsFromCqi (worstCqi.at (j)));
1153 bytesTxed += tbSize;
1156 newDci.m_resAlloc = 0;
1157 newDci.m_rbBitmap = 0;
1158 uint32_t rbgMask = 0;
1159 for (uint16_t k = 0; k < (*itMap).second.size (); k++)
1161 rbgMask = rbgMask + (0x1 << (*itMap).second.at (k));
1162 NS_LOG_INFO (
this <<
" Allocated RBG " << (*itMap).second.at (k));
1164 newDci.m_rbBitmap = rbgMask;
1167 std::map <LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator itBufReq;
1168 for (itBufReq = m_rlcBufferReq.begin (); itBufReq != m_rlcBufferReq.end (); itBufReq++)
1170 if (((*itBufReq).first.m_rnti == (*itMap).first)
1171 && (((*itBufReq).second.m_rlcTransmissionQueueSize > 0)
1172 || ((*itBufReq).second.m_rlcRetransmissionQueueSize > 0)
1173 || ((*itBufReq).second.m_rlcStatusPduSize > 0) ))
1175 std::vector <struct RlcPduListElement_s> newRlcPduLe;
1176 for (uint8_t j = 0; j < nLayer; j++)
1178 RlcPduListElement_s newRlcEl;
1179 newRlcEl.m_logicalChannelIdentity = (*itBufReq).first.m_lcId;
1180 newRlcEl.m_size = newDci.m_tbsSize.at (j) / lcActives;
1181 NS_LOG_INFO (
this <<
" LCID " << (uint32_t) newRlcEl.m_logicalChannelIdentity <<
" size " << newRlcEl.m_size <<
" layer " << (uint16_t)j);
1182 newRlcPduLe.push_back (newRlcEl);
1183 UpdateDlRlcBufferInfo (newDci.m_rnti, newRlcEl.m_logicalChannelIdentity, newRlcEl.m_size);
1187 std::map <uint16_t, DlHarqRlcPduListBuffer_t>::iterator itRlcPdu = m_dlHarqProcessesRlcPduListBuffer.find ((*itMap).first);
1188 if (itRlcPdu == m_dlHarqProcessesRlcPduListBuffer.end ())
1190 NS_FATAL_ERROR (
"Unable to find RlcPdcList in HARQ buffer for RNTI " << (*itMap).first);
1192 (*itRlcPdu).second.at (j).at (newDci.m_harqProcess).push_back (newRlcEl);
1195 newEl.m_rlcPduList.push_back (newRlcPduLe);
1197 if ((*itBufReq).first.m_rnti > (*itMap).first)
1202 for (uint8_t j = 0; j < nLayer; j++)
1204 newDci.m_ndi.push_back (1);
1205 newDci.m_rv.push_back (0);
1208 newEl.m_dci = newDci;
1213 std::map <uint16_t, DlHarqProcessesDciBuffer_t>::iterator itDci = m_dlHarqProcessesDciBuffer.find (newEl.m_rnti);
1214 if (itDci == m_dlHarqProcessesDciBuffer.end ())
1216 NS_FATAL_ERROR (
"Unable to find RNTI entry in DCI HARQ buffer for RNTI " << newEl.m_rnti);
1218 (*itDci).second.at (newDci.m_harqProcess) = newDci;
1220 std::map <uint16_t, DlHarqProcessesTimer_t>::iterator itHarqTimer = m_dlHarqProcessesTimer.find (newEl.m_rnti);
1221 if (itHarqTimer== m_dlHarqProcessesTimer.end ())
1223 NS_FATAL_ERROR (
"Unable to find HARQ timer for RNTI " << (uint16_t)newEl.m_rnti);
1225 (*itHarqTimer).second.at (newDci.m_harqProcess) = 0;
1230 ret.m_buildDataList.push_back (newEl);
1232 std::map <uint16_t, pfsFlowPerf_t>::iterator it;
1233 it = m_flowStatsDl.find ((*itMap).first);
1234 if (it != m_flowStatsDl.end ())
1236 (*it).second.lastTtiBytesTrasmitted = bytesTxed;
1237 NS_LOG_INFO (
this <<
" UE total bytes txed " << (*it).second.lastTtiBytesTrasmitted);
1248 ret.m_nrOfPdcchOfdmSymbols = 1;
1253 for (itStats = m_flowStatsDl.begin (); itStats != m_flowStatsDl.end (); itStats++)
1255 (*itStats).second.totalBytesTransmitted += (*itStats).second.lastTtiBytesTrasmitted;
1257 (*itStats).second.lastAveragedThroughput = ((1.0 - (1.0 / m_timeWindow)) * (*itStats).second.lastAveragedThroughput) + ((1.0 / m_timeWindow) * (double)((*itStats).second.lastTtiBytesTrasmitted / 0.001));
1258 NS_LOG_INFO (
this <<
" UE total bytes " << (*itStats).second.totalBytesTransmitted);
1259 NS_LOG_INFO (
this <<
" UE average throughput " << (*itStats).second.lastAveragedThroughput);
1260 (*itStats).second.lastTtiBytesTrasmitted = 0;
1263 m_schedSapUser->SchedDlConfigInd (ret);
1270 PfFfMacScheduler::DoSchedDlRachInfoReq (
const struct FfMacSchedSapProvider::SchedDlRachInfoReqParameters& params)
1274 m_rachList = params.m_rachList;
1280 PfFfMacScheduler::DoSchedDlCqiInfoReq (
const struct FfMacSchedSapProvider::SchedDlCqiInfoReqParameters& params)
1284 for (
unsigned int i = 0; i < params.m_cqiList.size (); i++)
1286 if ( params.m_cqiList.at (i).m_cqiType == CqiListElement_s::P10 )
1289 std::map <uint16_t,uint8_t>::iterator it;
1290 uint16_t rnti = params.m_cqiList.at (i).m_rnti;
1291 it = m_p10CqiRxed.find (rnti);
1292 if (it == m_p10CqiRxed.end ())
1295 m_p10CqiRxed.insert ( std::pair<uint16_t, uint8_t > (rnti, params.m_cqiList.at (i).m_wbCqi.at (0)) );
1297 m_p10CqiTimers.insert ( std::pair<uint16_t, uint32_t > (rnti, m_cqiTimersThreshold));
1302 (*it).second = params.m_cqiList.at (i).m_wbCqi.at (0);
1304 std::map <uint16_t,uint32_t>::iterator itTimers;
1305 itTimers = m_p10CqiTimers.find (rnti);
1306 (*itTimers).second = m_cqiTimersThreshold;
1309 else if ( params.m_cqiList.at (i).m_cqiType == CqiListElement_s::A30 )
1312 std::map <uint16_t,SbMeasResult_s>::iterator it;
1313 uint16_t rnti = params.m_cqiList.at (i).m_rnti;
1314 it = m_a30CqiRxed.find (rnti);
1315 if (it == m_a30CqiRxed.end ())
1318 m_a30CqiRxed.insert ( std::pair<uint16_t, SbMeasResult_s > (rnti, params.m_cqiList.at (i).m_sbMeasResult) );
1319 m_a30CqiTimers.insert ( std::pair<uint16_t, uint32_t > (rnti, m_cqiTimersThreshold));
1324 (*it).second = params.m_cqiList.at (i).m_sbMeasResult;
1325 std::map <uint16_t,uint32_t>::iterator itTimers;
1326 itTimers = m_a30CqiTimers.find (rnti);
1327 (*itTimers).second = m_cqiTimersThreshold;
1341 PfFfMacScheduler::EstimateUlSinr (uint16_t rnti, uint16_t rb)
1343 std::map <uint16_t, std::vector <double> >::iterator itCqi = m_ueCqi.find (rnti);
1344 if (itCqi == m_ueCqi.end ())
1355 for (uint32_t i = 0; i < m_cschedCellConfig.m_ulBandwidth; i++)
1357 double sinr = (*itCqi).second.at (i);
1358 if (sinr != NO_SINR)
1364 double estimatedSinr = sinrSum / (double)sinrNum;
1366 (*itCqi).second.at (rb) = estimatedSinr;
1367 return (estimatedSinr);
1372 PfFfMacScheduler::DoSchedUlTriggerReq (
const struct FfMacSchedSapProvider::SchedUlTriggerReqParameters& params)
1374 NS_LOG_FUNCTION (
this <<
" UL - Frame no. " << (params.m_sfnSf >> 4) <<
" subframe no. " << (0xF & params.m_sfnSf) <<
" size " << params.m_ulInfoList.size ());
1376 RefreshUlCqiMaps ();
1379 FfMacSchedSapUser::SchedUlConfigIndParameters ret;
1380 std::vector <bool> rbMap;
1381 uint16_t rbAllocatedNum = 0;
1382 std::set <uint16_t> rntiAllocated;
1383 std::vector <uint16_t> rbgAllocationMap;
1385 rbgAllocationMap = m_rachAllocationMap;
1387 m_rachAllocationMap.clear ();
1388 m_rachAllocationMap.resize (m_cschedCellConfig.m_ulBandwidth, 0);
1390 rbMap.resize (m_cschedCellConfig.m_ulBandwidth,
false);
1392 for (uint16_t i = 0; i < m_cschedCellConfig.m_ulBandwidth; i++)
1394 if (rbgAllocationMap.at (i) != 0)
1396 rbMap.at (i) =
true;
1406 std::map <uint16_t, uint8_t>::iterator itProcId;
1407 for (itProcId = m_ulHarqCurrentProcessId.begin (); itProcId != m_ulHarqCurrentProcessId.end (); itProcId++)
1409 (*itProcId).second = ((*itProcId).second + 1) % HARQ_PROC_NUM;
1412 for (uint16_t i = 0; i < params.m_ulInfoList.size (); i++)
1414 if (params.m_ulInfoList.at (i).m_receptionStatus == UlInfoListElement_s::NotOk)
1417 uint16_t rnti = params.m_ulInfoList.at (i).m_rnti;
1418 itProcId = m_ulHarqCurrentProcessId.find (rnti);
1419 if (itProcId == m_ulHarqCurrentProcessId.end ())
1421 NS_LOG_ERROR (
"No info find in HARQ buffer for UE (might change eNB) " << rnti);
1423 uint8_t harqId = (uint8_t)((*itProcId).second - HARQ_PERIOD) % HARQ_PROC_NUM;
1424 NS_LOG_INFO (
this <<
" UL-HARQ retx RNTI " << rnti <<
" harqId " << (uint16_t)harqId <<
" i " << i <<
" size " << params.m_ulInfoList.size ());
1425 std::map <uint16_t, UlHarqProcessesDciBuffer_t>::iterator itHarq = m_ulHarqProcessesDciBuffer.find (rnti);
1426 if (itHarq == m_ulHarqProcessesDciBuffer.end ())
1428 NS_LOG_ERROR (
"No info find in HARQ buffer for UE (might change eNB) " << rnti);
1431 UlDciListElement_s dci = (*itHarq).second.at (harqId);
1432 std::map <uint16_t, UlHarqProcessesStatus_t>::iterator itStat = m_ulHarqProcessesStatus.find (rnti);
1433 if (itStat == m_ulHarqProcessesStatus.end ())
1435 NS_LOG_ERROR (
"No info find in HARQ buffer for UE (might change eNB) " << rnti);
1437 if ((*itStat).second.at (harqId) >= 3)
1439 NS_LOG_INFO (
"Max number of retransmissions reached (UL)-> drop process");
1443 for (
int j = dci.m_rbStart; j < dci.m_rbStart + dci.m_rbLen; j++)
1445 if (rbMap.at (j) ==
true)
1454 for (
int j = dci.m_rbStart; j < dci.m_rbStart + dci.m_rbLen; j++)
1456 rbMap.at (j) =
true;
1457 rbgAllocationMap.at (j) = dci.m_rnti;
1461 NS_LOG_INFO (
this <<
" Send retx in the same RBs " << (uint16_t)dci.m_rbStart <<
" to " << dci.m_rbStart + dci.m_rbLen <<
" RV " << (*itStat).second.at (harqId) + 1);
1465 NS_LOG_INFO (
"Cannot allocate retx due to RACH allocations for UE " << rnti);
1470 (*itStat).second.at ((*itProcId).second) = (*itStat).second.at (harqId) + 1;
1471 (*itStat).second.at (harqId) = 0;
1472 (*itHarq).second.at ((*itProcId).second) = dci;
1473 ret.m_dciList.push_back (dci);
1474 rntiAllocated.insert (dci.m_rnti);
1478 NS_LOG_INFO (
this <<
" HARQ-ACK feedback from RNTI " << params.m_ulInfoList.at (i).m_rnti);
1483 std::map <uint16_t,uint32_t>::iterator it;
1486 for (it = m_ceBsrRxed.begin (); it != m_ceBsrRxed.end (); it++)
1488 std::set <uint16_t>::iterator itRnti = rntiAllocated.find ((*it).first);
1490 if (((*it).second > 0)&&(itRnti == rntiAllocated.end ()))
1498 if (ret.m_dciList.size () > 0)
1500 m_schedSapUser->SchedUlConfigInd (ret);
1508 uint16_t rbPerFlow = (m_cschedCellConfig.m_ulBandwidth) / (nflows + rntiAllocated.size ());
1513 int rbAllocated = 0;
1515 std::map <uint16_t, pfsFlowPerf_t>::iterator itStats;
1516 if (m_nextRntiUl != 0)
1518 for (it = m_ceBsrRxed.begin (); it != m_ceBsrRxed.end (); it++)
1520 if ((*it).first == m_nextRntiUl)
1525 if (it == m_ceBsrRxed.end ())
1532 it = m_ceBsrRxed.begin ();
1533 m_nextRntiUl = (*it).first;
1537 std::set <uint16_t>::iterator itRnti = rntiAllocated.find ((*it).first);
1538 if ((itRnti != rntiAllocated.end ())||((*it).second == 0))
1542 if (it == m_ceBsrRxed.end ())
1545 it = m_ceBsrRxed.begin ();
1549 if (rbAllocated + rbPerFlow - 1 > m_cschedCellConfig.m_ulBandwidth)
1552 rbPerFlow = m_cschedCellConfig.m_ulBandwidth - rbAllocated;
1561 UlDciListElement_s uldci;
1562 uldci.m_rnti = (*it).first;
1563 uldci.m_rbLen = rbPerFlow;
1564 bool allocated =
false;
1565 NS_LOG_INFO (
this <<
" RB Allocated " << rbAllocated <<
" rbPerFlow " << rbPerFlow);
1566 while ((!allocated)&&((rbAllocated + rbPerFlow - 1) < m_cschedCellConfig.m_ulBandwidth) && (rbPerFlow != 0))
1570 for (uint16_t j = rbAllocated; j < rbAllocated + rbPerFlow; j++)
1572 if (rbMap.at (j) ==
true)
1580 uldci.m_rbStart = rbAllocated;
1582 for (uint16_t j = rbAllocated; j < rbAllocated + rbPerFlow; j++)
1584 rbMap.at (j) =
true;
1586 rbgAllocationMap.at (j) = (*it).first;
1588 rbAllocated += rbPerFlow;
1593 if (rbAllocated + rbPerFlow - 1 > m_cschedCellConfig.m_ulBandwidth)
1596 rbPerFlow = m_cschedCellConfig.m_ulBandwidth - rbAllocated;
1608 m_nextRntiUl = (*it).first;
1609 if (ret.m_dciList.size () > 0)
1611 m_schedSapUser->SchedUlConfigInd (ret);
1613 m_allocationMaps.insert (std::pair <uint16_t, std::vector <uint16_t> > (params.m_sfnSf, rbgAllocationMap));
1619 std::map <uint16_t, std::vector <double> >::iterator itCqi = m_ueCqi.find ((*it).first);
1621 if (itCqi == m_ueCqi.end ())
1629 double minSinr = (*itCqi).second.at (uldci.m_rbStart);
1630 if (minSinr == NO_SINR)
1632 minSinr = EstimateUlSinr ((*it).first, uldci.m_rbStart);
1634 for (uint16_t i = uldci.m_rbStart; i < uldci.m_rbStart + uldci.m_rbLen; i++)
1636 double sinr = (*itCqi).second.at (i);
1637 if (sinr == NO_SINR)
1639 sinr = EstimateUlSinr ((*it).first, i);
1641 if ((*itCqi).second.at (i) < minSinr)
1643 minSinr = (*itCqi).second.at (i);
1648 double s = log2 ( 1 + (
1649 std::pow (10, minSinr / 10 ) /
1650 ( (-std::log (5.0 * 0.00005 )) / 1.5) ));
1651 cqi = m_amc->GetCqiFromSpectralEfficiency (s);
1655 if (it == m_ceBsrRxed.end ())
1658 it = m_ceBsrRxed.begin ();
1662 uldci.m_mcs = m_amc->GetMcsFromCqi (cqi);
1665 uldci.m_tbSize = (m_amc->GetTbSizeFromMcs (uldci.m_mcs, rbPerFlow) / 8);
1666 UpdateUlRlcBufferInfo (uldci.m_rnti, uldci.m_tbSize);
1668 uldci.m_cceIndex = 0;
1669 uldci.m_aggrLevel = 1;
1670 uldci.m_ueTxAntennaSelection = 3;
1671 uldci.m_hopping =
false;
1674 uldci.m_cqiRequest =
false;
1675 uldci.m_ulIndex = 0;
1677 uldci.m_freqHopping = 0;
1678 uldci.m_pdcchPowerOffset = 0;
1679 ret.m_dciList.push_back (uldci);
1684 std::map <uint16_t, uint8_t>::iterator itProcId;
1685 itProcId = m_ulHarqCurrentProcessId.find (uldci.m_rnti);
1686 if (itProcId == m_ulHarqCurrentProcessId.end ())
1688 NS_FATAL_ERROR (
"No info find in HARQ buffer for UE " << uldci.m_rnti);
1690 harqId = (*itProcId).second;
1691 std::map <uint16_t, UlHarqProcessesDciBuffer_t>::iterator itDci = m_ulHarqProcessesDciBuffer.find (uldci.m_rnti);
1692 if (itDci == m_ulHarqProcessesDciBuffer.end ())
1694 NS_FATAL_ERROR (
"Unable to find RNTI entry in UL DCI HARQ buffer for RNTI " << uldci.m_rnti);
1696 (*itDci).second.at (harqId) = uldci;
1699 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);
1702 itStats = m_flowStatsUl.find ((*it).first);
1703 if (itStats != m_flowStatsUl.end ())
1705 (*itStats).second.lastTtiBytesTrasmitted = uldci.m_tbSize;
1709 NS_LOG_DEBUG (
this <<
" No Stats for this allocated UE");
1714 if (it == m_ceBsrRxed.end ())
1717 it = m_ceBsrRxed.begin ();
1719 if ((rbAllocated == m_cschedCellConfig.m_ulBandwidth) || (rbPerFlow == 0))
1722 m_nextRntiUl = (*it).first;
1726 while (((*it).first != m_nextRntiUl)&&(rbPerFlow!=0));
1731 for (itStats = m_flowStatsUl.begin (); itStats != m_flowStatsUl.end (); itStats++)
1733 (*itStats).second.totalBytesTransmitted += (*itStats).second.lastTtiBytesTrasmitted;
1735 (*itStats).second.lastAveragedThroughput = ((1.0 - (1.0 / m_timeWindow)) * (*itStats).second.lastAveragedThroughput) + ((1.0 / m_timeWindow) * (double)((*itStats).second.lastTtiBytesTrasmitted / 0.001));
1736 NS_LOG_INFO (
this <<
" UE total bytes " << (*itStats).second.totalBytesTransmitted);
1737 NS_LOG_INFO (
this <<
" UE average throughput " << (*itStats).second.lastAveragedThroughput);
1738 (*itStats).second.lastTtiBytesTrasmitted = 0;
1740 m_allocationMaps.insert (std::pair <uint16_t, std::vector <uint16_t> > (params.m_sfnSf, rbgAllocationMap));
1741 m_schedSapUser->SchedUlConfigInd (ret);
1747 PfFfMacScheduler::DoSchedUlNoiseInterferenceReq (
const struct FfMacSchedSapProvider::SchedUlNoiseInterferenceReqParameters& params)
1754 PfFfMacScheduler::DoSchedUlSrInfoReq (
const struct FfMacSchedSapProvider::SchedUlSrInfoReqParameters& params)
1761 PfFfMacScheduler::DoSchedUlMacCtrlInfoReq (
const struct FfMacSchedSapProvider::SchedUlMacCtrlInfoReqParameters& params)
1765 std::map <uint16_t,uint32_t>::iterator it;
1767 for (
unsigned int i = 0; i < params.m_macCeList.size (); i++)
1769 if ( params.m_macCeList.at (i).m_macCeType == MacCeListElement_s::BSR )
1778 uint32_t buffer = 0;
1779 for (uint8_t lcg = 0; lcg < 4; ++lcg)
1781 uint8_t bsrId = params.m_macCeList.at (i).m_macCeValue.m_bufferStatus.at (lcg);
1782 buffer += BufferSizeLevelBsr::BsrId2BufferSize (bsrId);
1785 uint16_t rnti = params.m_macCeList.at (i).m_rnti;
1786 NS_LOG_LOGIC (
this <<
"RNTI=" << rnti <<
" buffer=" << buffer);
1787 it = m_ceBsrRxed.find (rnti);
1788 if (it == m_ceBsrRxed.end ())
1791 m_ceBsrRxed.insert ( std::pair<uint16_t, uint32_t > (rnti, buffer));
1796 (*it).second = buffer;
1805 PfFfMacScheduler::DoSchedUlCqiInfoReq (
const struct FfMacSchedSapProvider::SchedUlCqiInfoReqParameters& params)
1809 switch (m_ulCqiFilter)
1811 case FfMacScheduler::SRS_UL_CQI:
1814 if (params.m_ulCqi.m_type != UlCqi_s::SRS)
1820 case FfMacScheduler::PUSCH_UL_CQI:
1823 if (params.m_ulCqi.m_type != UlCqi_s::PUSCH)
1828 case FfMacScheduler::ALL_UL_CQI:
1835 switch (params.m_ulCqi.m_type)
1837 case UlCqi_s::PUSCH:
1839 std::map <uint16_t, std::vector <uint16_t> >::iterator itMap;
1840 std::map <uint16_t, std::vector <double> >::iterator itCqi;
1841 NS_LOG_DEBUG (
this <<
" Collect PUSCH CQIs of Frame no. " << (params.m_sfnSf >> 4) <<
" subframe no. " << (0xF & params.m_sfnSf));
1842 itMap = m_allocationMaps.find (params.m_sfnSf);
1843 if (itMap == m_allocationMaps.end ())
1847 for (uint32_t i = 0; i < (*itMap).second.size (); i++)
1850 double sinr = LteFfConverter::fpS11dot3toDouble (params.m_ulCqi.m_sinr.at (i));
1851 itCqi = m_ueCqi.find ((*itMap).second.at (i));
1852 if (itCqi == m_ueCqi.end ())
1855 std::vector <double> newCqi;
1856 for (uint32_t j = 0; j < m_cschedCellConfig.m_ulBandwidth; j++)
1860 newCqi.push_back (sinr);
1865 newCqi.push_back (NO_SINR);
1869 m_ueCqi.insert (std::pair <uint16_t, std::vector <double> > ((*itMap).second.at (i), newCqi));
1871 m_ueCqiTimers.insert (std::pair <uint16_t, uint32_t > ((*itMap).second.at (i), m_cqiTimersThreshold));
1876 (*itCqi).second.at (i) = sinr;
1877 NS_LOG_DEBUG (
this <<
" RNTI " << (*itMap).second.at (i) <<
" RB " << i <<
" SINR " << sinr);
1879 std::map <uint16_t, uint32_t>::iterator itTimers;
1880 itTimers = m_ueCqiTimers.find ((*itMap).second.at (i));
1881 (*itTimers).second = m_cqiTimersThreshold;
1887 m_allocationMaps.erase (itMap);
1894 NS_ASSERT (params.m_vendorSpecificList.size () > 0);
1895 for (uint16_t i = 0; i < params.m_vendorSpecificList.size (); i++)
1897 if (params.m_vendorSpecificList.at (i).m_type == SRS_CQI_RNTI_VSP)
1899 Ptr<SrsCqiRntiVsp> vsp = DynamicCast<SrsCqiRntiVsp> (params.m_vendorSpecificList.at (i).m_value);
1900 rnti = vsp->GetRnti ();
1903 std::map <uint16_t, std::vector <double> >::iterator itCqi;
1904 itCqi = m_ueCqi.find (rnti);
1905 if (itCqi == m_ueCqi.end ())
1908 std::vector <double> newCqi;
1909 for (uint32_t j = 0; j < m_cschedCellConfig.m_ulBandwidth; j++)
1911 double sinr = LteFfConverter::fpS11dot3toDouble (params.m_ulCqi.m_sinr.at (j));
1912 newCqi.push_back (sinr);
1913 NS_LOG_INFO (
this <<
" RNTI " << rnti <<
" new SRS-CQI for RB " << j <<
" value " << sinr);
1916 m_ueCqi.insert (std::pair <uint16_t, std::vector <double> > (rnti, newCqi));
1918 m_ueCqiTimers.insert (std::pair <uint16_t, uint32_t > (rnti, m_cqiTimersThreshold));
1923 for (uint32_t j = 0; j < m_cschedCellConfig.m_ulBandwidth; j++)
1925 double sinr = LteFfConverter::fpS11dot3toDouble (params.m_ulCqi.m_sinr.at (j));
1926 (*itCqi).second.at (j) = sinr;
1927 NS_LOG_INFO (
this <<
" RNTI " << rnti <<
" update SRS-CQI for RB " << j <<
" value " << sinr);
1930 std::map <uint16_t, uint32_t>::iterator itTimers;
1931 itTimers = m_ueCqiTimers.find (rnti);
1932 (*itTimers).second = m_cqiTimersThreshold;
1939 case UlCqi_s::PUCCH_1:
1940 case UlCqi_s::PUCCH_2:
1941 case UlCqi_s::PRACH:
1943 NS_FATAL_ERROR (
"PfFfMacScheduler supports only PUSCH and SRS UL-CQIs");
1953 PfFfMacScheduler::RefreshDlCqiMaps (
void)
1956 std::map <uint16_t,uint32_t>::iterator itP10 = m_p10CqiTimers.begin ();
1957 while (itP10 != m_p10CqiTimers.end ())
1959 NS_LOG_INFO (
this <<
" P10-CQI for user " << (*itP10).first <<
" is " << (uint32_t)(*itP10).second <<
" thr " << (uint32_t)m_cqiTimersThreshold);
1960 if ((*itP10).second == 0)
1963 std::map <uint16_t,uint8_t>::iterator itMap = m_p10CqiRxed.find ((*itP10).first);
1964 NS_ASSERT_MSG (itMap != m_p10CqiRxed.end (),
" Does not find CQI report for user " << (*itP10).first);
1965 NS_LOG_INFO (
this <<
" P10-CQI expired for user " << (*itP10).first);
1966 m_p10CqiRxed.erase (itMap);
1967 std::map <uint16_t,uint32_t>::iterator temp = itP10;
1969 m_p10CqiTimers.erase (temp);
1979 std::map <uint16_t,uint32_t>::iterator itA30 = m_a30CqiTimers.begin ();
1980 while (itA30 != m_a30CqiTimers.end ())
1982 NS_LOG_INFO (
this <<
" A30-CQI for user " << (*itA30).first <<
" is " << (uint32_t)(*itA30).second <<
" thr " << (uint32_t)m_cqiTimersThreshold);
1983 if ((*itA30).second == 0)
1986 std::map <uint16_t,SbMeasResult_s>::iterator itMap = m_a30CqiRxed.find ((*itA30).first);
1987 NS_ASSERT_MSG (itMap != m_a30CqiRxed.end (),
" Does not find CQI report for user " << (*itA30).first);
1988 NS_LOG_INFO (
this <<
" A30-CQI expired for user " << (*itA30).first);
1989 m_a30CqiRxed.erase (itMap);
1990 std::map <uint16_t,uint32_t>::iterator temp = itA30;
1992 m_a30CqiTimers.erase (temp);
2006 PfFfMacScheduler::RefreshUlCqiMaps (
void)
2009 std::map <uint16_t,uint32_t>::iterator itUl = m_ueCqiTimers.begin ();
2010 while (itUl != m_ueCqiTimers.end ())
2012 NS_LOG_INFO (
this <<
" UL-CQI for user " << (*itUl).first <<
" is " << (uint32_t)(*itUl).second <<
" thr " << (uint32_t)m_cqiTimersThreshold);
2013 if ((*itUl).second == 0)
2016 std::map <uint16_t, std::vector <double> >::iterator itMap = m_ueCqi.find ((*itUl).first);
2017 NS_ASSERT_MSG (itMap != m_ueCqi.end (),
" Does not find CQI report for user " << (*itUl).first);
2018 NS_LOG_INFO (
this <<
" UL-CQI exired for user " << (*itUl).first);
2019 (*itMap).second.clear ();
2020 m_ueCqi.erase (itMap);
2021 std::map <uint16_t,uint32_t>::iterator temp = itUl;
2023 m_ueCqiTimers.erase (temp);
2036 PfFfMacScheduler::UpdateDlRlcBufferInfo (uint16_t rnti, uint8_t lcid, uint16_t size)
2038 std::map<LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters>::iterator it;
2039 LteFlowId_t flow (rnti, lcid);
2040 it = m_rlcBufferReq.find (flow);
2041 if (it != m_rlcBufferReq.end ())
2043 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);
2046 if (((*it).second.m_rlcStatusPduSize > 0) && (size >= (*it).second.m_rlcStatusPduSize))
2048 (*it).second.m_rlcStatusPduSize = 0;
2050 else if (((*it).second.m_rlcRetransmissionQueueSize > 0) && (size >= (*it).second.m_rlcRetransmissionQueueSize))
2052 (*it).second.m_rlcRetransmissionQueueSize = 0;
2054 else if ((*it).second.m_rlcTransmissionQueueSize > 0)
2057 if ((*it).second.m_rlcTransmissionQueueSize <= size)
2059 (*it).second.m_rlcTransmissionQueueSize = 0;
2064 (*it).second.m_rlcTransmissionQueueSize -= size;
2070 NS_LOG_ERROR (
this <<
" Does not find DL RLC Buffer Report of UE " << rnti);
2075 PfFfMacScheduler::UpdateUlRlcBufferInfo (uint16_t rnti, uint16_t size)
2079 std::map <uint16_t,uint32_t>::iterator it = m_ceBsrRxed.find (rnti);
2080 if (it != m_ceBsrRxed.end ())
2082 NS_LOG_INFO (
this <<
" UE " << rnti <<
" size " << size <<
" BSR " << (*it).second);
2083 if ((*it).second >= size)
2085 (*it).second -= size;
2094 NS_LOG_ERROR (
this <<
" Does not find BSR report info of UE " << rnti);
2100 PfFfMacScheduler::TransmissionModeConfigurationUpdate (uint16_t rnti, uint8_t txMode)
2102 NS_LOG_FUNCTION (
this <<
" RNTI " << rnti <<
" txMode " << (uint16_t)txMode);
2103 FfMacCschedSapUser::CschedUeConfigUpdateIndParameters params;
2104 params.m_rnti = rnti;
2105 params.m_transmissionMode = txMode;
2106 m_cschedSapUser->CschedUeConfigUpdateInd (params);
#define NS_LOG_FUNCTION(parameters)
Implements the SCHED SAP and CSCHED SAP for a Proportional Fair scheduler.
virtual FfMacSchedSapProvider * GetFfMacSchedSapProvider()
#define NS_ASSERT(condition)
uint8_t HarqProcessAvailability(uint16_t rnti)
Return the availability of free process for the RNTI specified.
#define NS_LOG_COMPONENT_DEFINE(name)
virtual void CschedCellConfigReq(const struct CschedCellConfigReqParameters ¶ms)
CSCHED_CELL_CONFIG_REQ.
virtual ~PfFfMacScheduler()
See section 4.3.10 buildRARListElement.
virtual void SetFfMacSchedSapUser(FfMacSchedSapUser *s)
#define NS_FATAL_ERROR(msg)
fatal error handling
PfFfMacScheduler()
Constructor.
virtual FfMacCschedSapProvider * GetFfMacCschedSapProvider()
Hold an unsigned integer type.
#define NS_LOG_LOGIC(msg)
virtual void DoDispose(void)
#define NS_ASSERT_MSG(condition, message)
void RefreshHarqProcesses()
Refresh HARQ processes according to the timers.
#define NS_LOG_DEBUG(msg)
#define NS_LOG_ERROR(msg)
virtual void SetFfMacCschedSapUser(FfMacCschedSapUser *s)
a unique identifier for an interface.
uint8_t UpdateHarqProcessId(uint16_t rnti)
Update and return a new process Id for the RNTI specified.
TypeId SetParent(TypeId tid)