lora-utils.cc

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/*
 * Copyright (c) 2017 University of Padova
 *
 * 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: Romagnolo Stefano <romagnolostefano93@gmail.com>
 */
 
#include "lora-utils.h"
 
#include <cmath>
 
namespace ns3
{
namespace lorawan
{
 
double
DbToRatio(double dB)
{
    double ratio = std::pow(10.0, dB / 10.0);
    return ratio;
}
 
double
DbmToW(double dBm)
{
    double mW = std::pow(10.0, dBm / 10.0);
    return mW / 1000.0;
}
 
double
WToDbm(double w)
{
    return 10.0 * std::log10(w * 1000.0);
}
 
double
RatioToDb(double ratio)
{
    return 10.0 * std::log10(ratio);
}
 
} // namespace lorawan
} // namespace ns3