ofdm-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> (LSigHeader)
 */
 
#ifndef OFDM_PPDU_H
#define OFDM_PPDU_H
 
#include "ns3/header.h"
#include "ns3/wifi-phy-band.h"
#include "ns3/wifi-ppdu.h"
 
namespace ns3
{
 
class WifiPsdu;
 
class OfdmPpdu : public WifiPpdu
{
  public:
    class LSigHeader : public Header
    {
      public:
        LSigHeader();
 
        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 SetRate(uint64_t rate, uint16_t channelWidth = 20);
        uint64_t GetRate(uint16_t channelWidth = 20) const;
        void SetLength(uint16_t length);
        uint16_t GetLength() const;
 
      private:
        uint8_t m_rate;    
        uint16_t m_length; 
    };                     // class LSigHeader
 
    OfdmPpdu(Ptr<const WifiPsdu> psdu,
             const WifiTxVector& txVector,
             uint16_t txCenterFreq,
             WifiPhyBand band,
             uint64_t uid,
             bool instantiateLSig = true);
 
    Time GetTxDuration() const override;
    Ptr<WifiPpdu> Copy() const override;
 
  protected:
    WifiPhyBand m_band; 
#ifndef NS3_BUILD_PROFILE_DEBUG
    LSigHeader m_lSig; 
#endif
 
  private:
    WifiTxVector DoGetTxVector() const override;
 
    void SetPhyHeaders(const WifiTxVector& txVector, std::size_t psduSize);
 
    void SetLSigHeader(LSigHeader& lSig, const WifiTxVector& txVector, std::size_t psduSize) const;
 
    virtual void SetTxVectorFromLSigHeader(WifiTxVector& txVector, const LSigHeader& lSig) const;
 
    uint16_t m_channelWidth; 
};                           // class OfdmPpdu
 
} // namespace ns3
 
#endif /* OFDM_PPDU_H */