ht-ppdu.h

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/*
 * Copyright (c) 2020 Orange Labs
 *
 * 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: Rediet <getachew.redieteab@orange.com>
 *         Muhammad Iqbal Rochman <muhiqbalcr@uchicago.edu>
 *         Sébastien Deronne <sebastien.deronne@gmail.com> (HtSigHeader)
 */
 
#ifndef HT_PPDU_H
#define HT_PPDU_H
 
#include "ns3/ofdm-ppdu.h"
 
namespace ns3
{
 
class WifiPsdu;
 
class HtPpdu : public OfdmPpdu
{
  public:
    class HtSigHeader : public Header
    {
      public:
        HtSigHeader();
 
        static TypeId GetTypeId();
 
        TypeId GetInstanceTypeId() const override;
        void Print(std::ostream& os) const override;
        uint32_t GetSerializedSize() const override;
        void Serialize(Buffer::Iterator start) const override;
        uint32_t Deserialize(Buffer::Iterator start) override;
 
        void SetMcs(uint8_t mcs);
        uint8_t GetMcs() const;
        void SetChannelWidth(uint16_t channelWidth);
        uint16_t GetChannelWidth() const;
        void SetAggregation(bool aggregation);
        bool GetAggregation() const;
        void SetShortGuardInterval(bool sgi);
        bool GetShortGuardInterval() const;
        void SetHtLength(uint16_t length);
        uint16_t GetHtLength() const;
 
      private:
        uint8_t m_mcs;         
        uint8_t m_cbw20_40;    
        uint16_t m_htLength;   
        uint8_t m_aggregation; 
        uint8_t m_sgi;         
    };                         // HtSigHeader
 
    HtPpdu(Ptr<const WifiPsdu> psdu,
           const WifiTxVector& txVector,
           uint16_t txCenterFreq,
           Time ppduDuration,
           WifiPhyBand band,
           uint64_t uid);
 
    Time GetTxDuration() const override;
    Ptr<WifiPpdu> Copy() const override;
 
  private:
    WifiTxVector DoGetTxVector() const override;
 
    void SetPhyHeaders(const WifiTxVector& txVector, Time ppduDuration, std::size_t psduSize);
 
    virtual void SetLSigHeader(LSigHeader& lSig, Time ppduDuration) const;
 
    void SetHtSigHeader(HtSigHeader& htSig,
                        const WifiTxVector& txVector,
                        std::size_t psduSize) const;
 
    void SetTxVectorFromPhyHeaders(WifiTxVector& txVector,
                                   const LSigHeader& lSig,
                                   const HtSigHeader& htSig) const;
 
#ifndef NS3_BUILD_PROFILE_DEBUG
    HtSigHeader m_htSig; 
#endif
}; // class HtPpdu
 
} // namespace ns3
 
#endif /* HT_PPDU_H */