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Unified Diff: src/lte/model/fdmt-ff-mac-scheduler.h

Issue 6591047: GSoC 2012 NS-3 LTE MAC Scheduler Project
Patch Set: Created 11 years, 6 months ago
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Index: src/lte/model/fdmt-ff-mac-scheduler.h
===================================================================
new file mode 100644
--- /dev/null
+++ b/src/lte/model/fdmt-ff-mac-scheduler.h
@@ -0,0 +1,198 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Marco Miozzo <marco.miozzo@cttc.es> // original version
+ * Modification: Dizhi Zhou <dizhi.zhou@gmail.com> // modify codes related to downlink scheduler
+ */
+
+#ifndef FDMT_FF_MAC_SCHEDULER_H
+#define FDMT_FF_MAC_SCHEDULER_H
+
+#include <ns3/lte-common.h>
+#include <ns3/ff-mac-csched-sap.h>
+#include <ns3/ff-mac-sched-sap.h>
+#include <ns3/ff-mac-scheduler.h>
+#include <vector>
+#include <map>
+#include <set>
+#include <ns3/nstime.h>
+#include <ns3/lte-amc.h>
+
+
+namespace ns3 {
+
+
+/**
+ * \ingroup lte
+ *
+ * \brief Implements the SCHED SAP and CSCHED SAP for a Frequency Domain Maximum Throughput scheduler
+ *
+ * This class implements the interface defined by the FfMacScheduler abstract class
+ */
+class FdMtFfMacScheduler : public FfMacScheduler
+{
+public:
+ /**
+ * \brief Constructor
+ *
+ * Creates the MAC Scheduler interface implementation
+ */
+ FdMtFfMacScheduler ();
+
+ /**
+ * Destructor
+ */
+ virtual ~FdMtFfMacScheduler ();
+
+ // inherited from Object
+ virtual void DoDispose (void);
+ static TypeId GetTypeId (void);
+
+ // inherited from FfMacScheduler
+ virtual void SetFfMacCschedSapUser (FfMacCschedSapUser* s);
+ virtual void SetFfMacSchedSapUser (FfMacSchedSapUser* s);
+ virtual FfMacCschedSapProvider* GetFfMacCschedSapProvider ();
+ virtual FfMacSchedSapProvider* GetFfMacSchedSapProvider ();
+
+ friend class FdMtSchedulerMemberCschedSapProvider;
+ friend class FdMtSchedulerMemberSchedSapProvider;
+
+ void TransmissionModeConfigurationUpdate (uint16_t rnti, uint8_t txMode);
+
+private:
+ //
+ // Implementation of the CSCHED API primitives
+ // (See 4.1 for description of the primitives)
+ //
+
+ void DoCschedCellConfigReq (const struct FfMacCschedSapProvider::CschedCellConfigReqParameters& params);
+
+ void DoCschedUeConfigReq (const struct FfMacCschedSapProvider::CschedUeConfigReqParameters& params);
+
+ void DoCschedLcConfigReq (const struct FfMacCschedSapProvider::CschedLcConfigReqParameters& params);
+
+ void DoCschedLcReleaseReq (const struct FfMacCschedSapProvider::CschedLcReleaseReqParameters& params);
+
+ void DoCschedUeReleaseReq (const struct FfMacCschedSapProvider::CschedUeReleaseReqParameters& params);
+
+ //
+ // Implementation of the SCHED API primitives
+ // (See 4.2 for description of the primitives)
+ //
+
+ void DoSchedDlRlcBufferReq (const struct FfMacSchedSapProvider::SchedDlRlcBufferReqParameters& params);
+
+ void DoSchedDlPagingBufferReq (const struct FfMacSchedSapProvider::SchedDlPagingBufferReqParameters& params);
+
+ void DoSchedDlMacBufferReq (const struct FfMacSchedSapProvider::SchedDlMacBufferReqParameters& params);
+
+ void DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::SchedDlTriggerReqParameters& params);
+
+ void DoSchedDlRachInfoReq (const struct FfMacSchedSapProvider::SchedDlRachInfoReqParameters& params);
+
+ void DoSchedDlCqiInfoReq (const struct FfMacSchedSapProvider::SchedDlCqiInfoReqParameters& params);
+
+ void DoSchedUlTriggerReq (const struct FfMacSchedSapProvider::SchedUlTriggerReqParameters& params);
+
+ void DoSchedUlNoiseInterferenceReq (const struct FfMacSchedSapProvider::SchedUlNoiseInterferenceReqParameters& params);
+
+ void DoSchedUlSrInfoReq (const struct FfMacSchedSapProvider::SchedUlSrInfoReqParameters& params);
+
+ void DoSchedUlMacCtrlInfoReq (const struct FfMacSchedSapProvider::SchedUlMacCtrlInfoReqParameters& params);
+
+ void DoSchedUlCqiInfoReq (const struct FfMacSchedSapProvider::SchedUlCqiInfoReqParameters& params);
+
+
+ int GetRbgSize (int dlbandwidth);
+
+ int LcActivePerFlow (uint16_t rnti);
+
+ double EstimateUlSinr (uint16_t rnti, uint16_t rb);
+
+ void RefreshDlCqiMaps (void);
+ void RefreshUlCqiMaps (void);
+
+ void UpdateDlRlcBufferInfo (uint16_t rnti, uint8_t lcid, uint16_t size);
+ void UpdateUlRlcBufferInfo (uint16_t rnti, uint16_t size);
+ Ptr<LteAmc> m_amc;
+
+ /*
+ * Vectors of UE's LC info
+ */
+ std::map <LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters> m_rlcBufferReq;
+
+
+ /*
+ * Set of UE's RNTI in downlink
+ */
+ std::set <uint16_t> m_flowStatsDl;
+
+ /*
+ * Set of UE's RNTI in uplink
+ */
+ std::set <uint16_t> m_flowStatsUl;
+
+
+ /*
+ * Map of UE's DL CQI A30 received
+ */
+ std::map <uint16_t,SbMeasResult_s> m_a30CqiRxed;
+ /*
+ * Map of UE's timers on DL CQI A30 received
+ */
+ std::map <uint16_t,uint32_t> m_a30CqiTimers;
+
+ /*
+ * Map of previous allocated UE per RBG
+ * (used to retrieve info from UL-CQI)
+ */
+ std::map <uint16_t, std::vector <uint16_t> > m_allocationMaps;
+
+ /*
+ * Map of UEs' UL-CQI per RBG
+ */
+ std::map <uint16_t, std::vector <double> > m_ueCqi;
+ /*
+ * Map of UEs' timers on UL-CQI per RBG
+ */
+ std::map <uint16_t, uint32_t> m_ueCqiTimers;
+
+ /*
+ * Map of UE's buffer status reports received
+ */
+ std::map <uint16_t,uint32_t> m_ceBsrRxed;
+
+ // MAC SAPs
+ FfMacCschedSapUser* m_cschedSapUser;
+ FfMacSchedSapUser* m_schedSapUser;
+ FfMacCschedSapProvider* m_cschedSapProvider;
+ FfMacSchedSapProvider* m_schedSapProvider;
+
+
+ // Internal parameters
+ FfMacCschedSapProvider::CschedCellConfigReqParameters m_cschedCellConfig;
+
+ uint16_t m_nextRntiUl; // RNTI of the next user to be served next scheduling in UL
+
+ uint32_t m_cqiTimersThreshold; // # of TTIs for which a CQI canbe considered valid
+
+ std::map <uint16_t,uint8_t> m_uesTxMode; // txMode of the UEs
+};
+
+} // namespace ns3
+
+#endif /* FDMT_FF_MAC_SCHEDULER_H */

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