rr-multi-user-scheduler.h

Go to the documentation of this file.

/*
 * Copyright (c) 2020 Universita' degli Studi di Napoli Federico II
 *
 * 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: Stefano Avallone <stavallo@unina.it>
 */
 
#ifndef RR_MULTI_USER_SCHEDULER_H
#define RR_MULTI_USER_SCHEDULER_H
 
#include "multi-user-scheduler.h"
 
#include <list>
 
namespace ns3
{
 
class RrMultiUserScheduler : public MultiUserScheduler
{
  public:
    static TypeId GetTypeId();
    RrMultiUserScheduler();
    ~RrMultiUserScheduler() override;
 
  protected:
    void DoDispose() override;
    void DoInitialize() override;
 
  private:
    TxFormat SelectTxFormat() override;
    DlMuInfo ComputeDlMuInfo() override;
    UlMuInfo ComputeUlMuInfo() override;
 
    virtual TxFormat TrySendingBsrpTf();
 
    virtual TxFormat TrySendingBasicTf();
 
    virtual TxFormat TrySendingDlMuPpdu();
 
    template <class Func>
    WifiTxVector GetTxVectorForUlMu(Func canBeSolicited);
 
    void NotifyStationAssociated(uint16_t aid, Mac48Address address);
    void NotifyStationDeassociated(uint16_t aid, Mac48Address address);
 
    struct MasterInfo
    {
        uint16_t aid;         
        Mac48Address address; 
        double credits;       
    };
 
    void FinalizeTxVector(WifiTxVector& txVector);
    void UpdateCredits(std::list<MasterInfo>& staList,
                       Time txDuration,
                       const WifiTxVector& txVector);
 
    typedef std::pair<std::list<MasterInfo>::iterator, Ptr<WifiMpdu>> CandidateInfo;
 
    uint8_t m_nStations;         
    bool m_enableTxopSharing;    
    bool m_forceDlOfdma;         
    bool m_enableUlOfdma;        
    bool m_enableBsrp;           
    bool m_useCentral26TonesRus; 
    uint32_t m_ulPsduSize;       
    std::map<AcIndex, std::list<MasterInfo>>
        m_staListDl;                       
    std::list<MasterInfo> m_staListUl;     
    std::list<CandidateInfo> m_candidates; 
    Time m_maxCredits;                     
    CtrlTriggerHeader m_trigger;           
    WifiMacHeader m_triggerMacHdr;         
    WifiTxParameters m_txParams;           
};
 
} // namespace ns3
 
#endif /* RR_MULTI_USER_SCHEDULER_H */