lte-ffr-distributed-algorithm.h

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/*
 * Copyright (c) 2014 Piotr Gawlowicz
 *
 * 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: Piotr Gawlowicz <gawlowicz.p@gmail.com>
 *
 */
 
#ifndef LTE_FFR_DISTRIBUTED_ALGORITHM_H
#define LTE_FFR_DISTRIBUTED_ALGORITHM_H
 
#include "lte-ffr-algorithm.h"
#include "lte-ffr-rrc-sap.h"
#include "lte-ffr-sap.h"
#include "lte-rrc-sap.h"
 
namespace ns3
{
 
class LteFfrDistributedAlgorithm : public LteFfrAlgorithm
{
  public:
    LteFfrDistributedAlgorithm();
    ~LteFfrDistributedAlgorithm() override;
 
    static TypeId GetTypeId();
 
    // inherited from LteFfrAlgorithm
    void SetLteFfrSapUser(LteFfrSapUser* s) override;
    LteFfrSapProvider* GetLteFfrSapProvider() override;
 
    void SetLteFfrRrcSapUser(LteFfrRrcSapUser* s) override;
    LteFfrRrcSapProvider* GetLteFfrRrcSapProvider() override;
 
    friend class MemberLteFfrSapProvider<LteFfrDistributedAlgorithm>;
    friend class MemberLteFfrRrcSapProvider<LteFfrDistributedAlgorithm>;
 
  protected:
    // inherited from Object
    void DoInitialize() override;
    void DoDispose() override;
 
    void Reconfigure() override;
 
    // FFR SAP PROVIDER IMPLEMENTATION
    std::vector<bool> DoGetAvailableDlRbg() override;
    bool DoIsDlRbgAvailableForUe(int i, uint16_t rnti) override;
    std::vector<bool> DoGetAvailableUlRbg() override;
    bool DoIsUlRbgAvailableForUe(int i, uint16_t rnti) override;
    void DoReportDlCqiInfo(
        const FfMacSchedSapProvider::SchedDlCqiInfoReqParameters& params) override;
    void DoReportUlCqiInfo(
        const FfMacSchedSapProvider::SchedUlCqiInfoReqParameters& params) override;
    void DoReportUlCqiInfo(std::map<uint16_t, std::vector<double>> ulCqiMap) override;
    uint8_t DoGetTpc(uint16_t rnti) override;
    uint16_t DoGetMinContinuousUlBandwidth() override;
 
    // FFR SAP RRC PROVIDER IMPLEMENTATION
    void DoReportUeMeas(uint16_t rnti, LteRrcSap::MeasResults measResults) override;
    void DoRecvLoadInformation(EpcX2Sap::LoadInformationParams params) override;
 
  private:
    void SetDownlinkConfiguration(uint16_t cellId, uint8_t bandwidth);
    void SetUplinkConfiguration(uint16_t cellId, uint8_t bandwidth);
    void InitializeDownlinkRbgMaps();
    void InitializeUplinkRbgMaps();
 
    void UpdateNeighbourMeasurements(uint16_t rnti, uint16_t cellId, uint8_t rsrp, uint8_t rsrq);
 
    void Calculate();
    void SendLoadInformation(uint16_t targetCellId);
 
    // FFR SAP
    LteFfrSapUser* m_ffrSapUser;         
    LteFfrSapProvider* m_ffrSapProvider; 
 
    // FFR RRF SAP
    LteFfrRrcSapUser* m_ffrRrcSapUser;         
    LteFfrRrcSapProvider* m_ffrRrcSapProvider; 
 
    std::vector<bool> m_dlRbgMap; 
    std::vector<bool> m_ulRbgMap; 
 
    uint8_t m_edgeRbNum;              
    std::vector<bool> m_dlEdgeRbgMap; 
    std::vector<bool> m_ulEdgeRbgMap; 
 
    enum UePosition
    {
        AreaUnset,
        CenterArea,
        EdgeArea
    };
 
    std::map<uint16_t, uint8_t> m_ues; 
 
    uint8_t m_edgeSubBandRsrqThreshold; 
 
    uint8_t m_centerPowerOffset; 
    uint8_t m_edgePowerOffset;   
 
    uint8_t m_centerAreaTpc; 
    uint8_t m_edgeAreaTpc;   
 
    Time m_calculationInterval; 
    EventId m_calculationEvent; 
 
    // The expected measurement identity
    uint8_t m_rsrqMeasId; 
    uint8_t m_rsrpMeasId; 
 
    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_ueMeasures; 
 
    std::vector<uint16_t> m_neighborCell; 
 
    uint8_t m_rsrpDifferenceThreshold; 
 
    std::map<uint16_t, uint32_t> m_cellWeightMap; 
 
    std::map<uint16_t, std::vector<bool>> m_rntp; 
 
}; // end of class LteFfrDistributedAlgorithm
 
} // end of namespace ns3
 
#endif /* LTE_FR_DISTRIBUTED_ALGORITHM_H */