/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2010 TELEMATICS LAB, DEE - Politecnico di Bari

 *

 * 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: Giuseppe Piro  <g.piro@poliba.it>

 */

#ifndef LTE_SPECTRUM_VALUE_HELPER_H

#define LTE_SPECTRUM_VALUE_HELPER_H

#include <ns3/spectrum-value.h>

#include <vector>

namespace ns3 {

/**

 * \brief This class defines all functions to create spectrum model for lte

 */

class LteSpectrumValueHelper

{

public:

  /**

   * \brief create spectrum value

   * \param powerTx the power transmission in dBm

   * \param channels the list of sub channels where the signal will be sent

   * \return a Ptr to a newly created SpectrumValue instance

   */

  Ptr<SpectrumValue> CreateDownlinkTxPowerSpectralDensity (double powerTx, std::vector <int> channels);

  /**

   * \brief create spectrum value

   * \param powerTx the power transmission in dBm

   * \param channels the list of sub channels where the signal will be sent

   * \return a Ptr to a newly created SpectrumValue instance

   */

  Ptr<SpectrumValue> CreateUplinkTxPowerSpectralDensity (double powerTx, std::vector <int> channels);

  /**

   * \brief create spectrum value for noise

   * \return a Ptr to a newly created SpectrumValue instance

   */

  Ptr<SpectrumValue> CreateDownlinkNoisePowerSpectralDensity (void);

  /**

   * \brief create spectrum value for noise

   * \return a Ptr to a newly created SpectrumValue instance

   */

  Ptr<SpectrumValue> CreateUplinkNoisePowerSpectralDensity (void);

};

} // namespace ns3

#endif /*  LTE_SPECTRUM_VALUE_HELPER_H */