Attachment #2877 for bug #2673

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}

void
SpectrumWifiPhy::ResetSpectrumModel (void)
{
  NS_LOG_FUNCTION (this);
  NS_ASSERT_MSG (IsInitialized (), "Executing method before run-time");
  NS_LOG_DEBUG ("Run-time change of spectrum model from frequency/width pair of (" << GetFrequency () << ", " << (uint16_t)GetChannelWidth () << ")");
  // Replace existing spectrum model with new one, and must call AddRx ()
  // on the SpectrumChannel to provide this new spectrum model to it
  m_rxSpectrumModel = WifiSpectrumValueHelper::GetSpectrumModel (GetFrequency (), GetChannelWidth (), GetBandBandwidth (), GetGuardBandwidth ());
  m_channel->AddRx (m_wifiSpectrumPhyInterface);
}

void
SpectrumWifiPhy::SetChannelNumber (uint8_t nch)
{
  NS_LOG_FUNCTION (this << (uint16_t) nch);
  WifiPhy::SetChannelNumber (nch);
  if (IsInitialized ())
    {
      ResetSpectrumModel ();
    }
}

void
SpectrumWifiPhy::SetFrequency (uint16_t freq)
{
  NS_LOG_FUNCTION (this << freq);
  WifiPhy::SetFrequency (freq);
  if (IsInitialized ())
    {
      ResetSpectrumModel ();
    }
}

void
SpectrumWifiPhy::SetChannelWidth (uint8_t channelwidth)
{
  NS_LOG_FUNCTION (this << (uint16_t) channelwidth);
  WifiPhy::SetChannelWidth (channelwidth);
  if (IsInitialized ())
    {
      ResetSpectrumModel ();
    }
}

void 
SpectrumWifiPhy::ConfigureStandard (WifiPhyStandard standard)
{
  NS_LOG_FUNCTION (this << standard);
  WifiPhy::ConfigureStandard (standard);
  if (IsInitialized ())
    {
      ResetSpectrumModel ();
    }
}

void
SpectrumWifiPhy::AddOperationalChannel (uint8_t channelNumber)
{
  m_operationalChannelList.push_back (channelNumber);

(-)a/src/wifi/model/spectrum-wifi-phy.h (+15 lines)

Lines 160-165	Link Here

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  Ptr<Channel> GetChannel (void) const;

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  Ptr<Channel> GetChannel (void) const;

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  // The following four methods call to the base WifiPhy class method

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  // but also generate a new SpectrumModel if called during runtime

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  virtual void SetChannelNumber (uint8_t id);

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  virtual void SetFrequency (uint16_t freq);

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  virtual void SetChannelWidth (uint8_t channelwidth);

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  virtual void ConfigureStandard (WifiPhyStandard standard);

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protected:

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protected:

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  // Inherited

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  // Inherited

Lines 180-185	Link Here

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*/

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*/

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  Ptr<SpectrumValue> GetTxPowerSpectralDensity (uint16_t centerFrequency, uint8_t channelWidth, double txPowerW, WifiModulationClass modulationClass) const;

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  Ptr<SpectrumValue> GetTxPowerSpectralDensity (uint16_t centerFrequency, uint8_t channelWidth, double txPowerW, WifiModulationClass modulationClass) const;

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/**

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   * Perform run-time spectrum model change

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*/

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  void ResetSpectrumModel (void);

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  Ptr<SpectrumChannel> m_channel;        //!< SpectrumChannel that this SpectrumWifiPhy is connected to

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  Ptr<SpectrumChannel> m_channel;        //!< SpectrumChannel that this SpectrumWifiPhy is connected to

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  std::vector<uint8_t> m_operationalChannelList; //!< List of possible channels

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  std::vector<uint8_t> m_operationalChannelList; //!< List of possible channels

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   *
   * Channel center frequency = Channel starting frequency + 5 MHz * (nch - 1)
   *
   * where Starting channel frequency is standard-dependent,
   * as defined in (Section 18.3.8.4.2 "Channel numbering"; IEEE Std 802.11-2012).
   * This method may fail to take action if the Phy model determines that
   * the channel number cannot be switched for some reason (e.g. sleep state)
   *
   * \param id the channel number
   */
  virtual void SetChannelNumber (uint8_t id);
  /**
   * Return current channel number.
   *

   *
   * \param standard the Wi-Fi standard
   */
  virtual void ConfigureStandard (WifiPhyStandard standard);

  /**
   * Get the configured Wi-Fi standard

  /**
   * \param freq the operating center frequency (MHz) on this node.
   */
  virtual void SetFrequency (uint16_t freq);
  /**
   * \return the operating center frequency (MHz)
   */

  /**
   * \param channelwidth channel width
   */
  virtual void SetChannelWidth (uint8_t channelwidth);
  /**
   * \param channelwidth channel width (in MHz) to support
   */

  EventId m_endRxEvent;                //!< the end reeive event
  EventId m_endPlcpRxEvent;            //!< the end PLCP receive event


private:
  /**
   * \brief post-construction setting of frequency and/or channel number

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