nr-a2-a4-rsrq-handover-algorithm.h

// Copyright (c) 2011, 2012 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
// Copyright (c) 2013 Budiarto Herman
//
// SPDX-License-Identifier: GPL-2.0-only
//
// Original work authors (from lte-enb-rrc.cc):
//   Nicola Baldo <nbaldo@cttc.es>
//   Marco Miozzo <mmiozzo@cttc.es>
//   Manuel Requena <manuel.requena@cttc.es>
//
// Converted to handover algorithm interface by:
//   Budiarto Herman <budiarto.herman@magister.fi>
 
#ifndef A2_A4_RSRQ_HANDOVER_ALGORITHM_H
#define A2_A4_RSRQ_HANDOVER_ALGORITHM_H
 
#include "nr-handover-algorithm.h"
#include "nr-handover-management-sap.h"
#include "nr-rrc-sap.h"
 
#include "ns3/ptr.h"
#include "ns3/simple-ref-count.h"
 
#include <map>
 
namespace ns3
{
 
class NrA2A4RsrqHandoverAlgorithm : public NrHandoverAlgorithm
{
  public:
    NrA2A4RsrqHandoverAlgorithm();
 
    ~NrA2A4RsrqHandoverAlgorithm() override;
 
    static TypeId GetTypeId();
 
    // inherited from NrHandoverAlgorithm
    void SetNrHandoverManagementSapUser(NrHandoverManagementSapUser* s) override;
    NrHandoverManagementSapProvider* GetNrHandoverManagementSapProvider() override;
 
    friend class MemberNrHandoverManagementSapProvider<NrA2A4RsrqHandoverAlgorithm>;
 
  protected:
    // inherited from Object
    void DoInitialize() override;
    void DoDispose() override;
 
    // inherited from NrHandoverAlgorithm as a Handover Management SAP implementation
    void DoReportUeMeas(uint16_t rnti, NrRrcSap::MeasResults measResults) override;
 
  private:
    void EvaluateHandover(uint16_t rnti, uint8_t servingCellRsrq);
 
    bool IsValidNeighbour(uint16_t cellId);
 
    void UpdateNeighbourMeasurements(uint16_t rnti, uint16_t cellId, uint8_t rsrq);
 
    std::vector<uint8_t> m_a2MeasIds;
    std::vector<uint8_t> m_a4MeasIds;
 
    class UeMeasure : public SimpleRefCount<UeMeasure>
    {
      public:
        uint16_t m_cellId; 
        uint8_t m_rsrp;    
        uint8_t m_rsrq;    
    };
 
    typedef std::map<uint16_t, Ptr<UeMeasure>> MeasurementRow_t;
 
    typedef std::map<uint16_t, MeasurementRow_t> MeasurementTable_t;
 
    MeasurementTable_t m_neighbourCellMeasures;
 
    uint8_t m_servingCellThreshold;
 
    uint8_t m_neighbourCellOffset;
 
    NrHandoverManagementSapUser* m_handoverManagementSapUser;
    NrHandoverManagementSapProvider* m_handoverManagementSapProvider;
 
}; // end of class NrA2A4RsrqHandoverAlgorithm
 
} // end of namespace ns3
 
#endif /* A2_A4_RSRQ_HANDOVER_ALGORITHM_H */