/usr/include/ns3.27/ns3/wifi-utils.h is in libns3-dev 3.27+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Copyright (c) 2016
*
* 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: Sébastien Deronne <sebastien.deronne@gmail.com>
*/
#ifndef WIFI_UTILS_H
#define WIFI_UTILS_H
#include "wifi-mode.h"
#include "ns3/nstime.h"
#include "ns3/uinteger.h"
namespace ns3 {
/**
* Return the logarithm of the given value to base 2.
*
* \param val
*
* \return the logarithm of val to base 2.
*/
double Log2 (double val);
/**
* Convert from dBm to Watts.
*
* \param dbm the power in dBm
*
* \return the equivalent Watts for the given dBm
*/
double DbmToW (double dbm);
/**
* Convert from dB to ratio.
*
* \param db
*
* \return ratio
*/
double DbToRatio (double db);
/**
* Convert from Watts to dBm.
*
* \param w the power in Watts
*
* \return the equivalent dBm for the given Watts
*/
double WToDbm (double w);
/**
* Convert from ratio to dB.
*
* \param ratio
*
* \return dB
*/
double RatioToDb (double ratio);
/**
* Convert the guard interval to nanoseconds based on the wifimode.
*
* \param mode the wifimode
* \param htShortGuardInterval whether HT/VHT short guard interval is enabled
* \param heGuardInterval the HE guard interval duration
*
* \return the guard interval duration in nanoseconds
*/
uint16_t ConvertGuardIntervalToNanoSeconds (WifiMode mode, bool htShortGuardInterval, Time heGuardInterval);
} // namespace ns3
#endif /* WIFI_UTILS_H */
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