68 lines
1.3 KiB
C++
68 lines
1.3 KiB
C++
/*
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* This file is part of the Owl Positioning System (OwlPS).
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* OwlPS is a project of the University of Franche-Comté
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* (Université de Franche-Comté), France.
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*/
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#include "accesspoint.hh"
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using namespace std ;
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/* *** Operations *** */
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double AccessPoint::friis_constant_term() const
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{
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double wavelength =
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static_cast<double>(PosUtil::LIGHT_SPEED) / frequency ;
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return antenna_gain + 20 * log10(wavelength) - 20 * log10(4 * M_PI) ;
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}
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/* *** Operators *** */
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AccessPoint& AccessPoint::operator=(const AccessPoint &source)
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{
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if (this == &source)
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return *this ;
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this->WifiDevice::operator=(source) ;
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coordinates = source.coordinates ;
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frequency = source.frequency ;
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friis_index = source.friis_index ;
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return *this ;
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}
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bool AccessPoint::operator==(const AccessPoint &source) const
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{
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if (this == &source)
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return true ;
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return
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this->WifiDevice::operator==(source) &&
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coordinates == source.coordinates &&
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frequency == source.frequency &&
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friis_index == source.friis_index ;
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}
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ostream &operator<<(ostream &os, const AccessPoint &ap)
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{
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os
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<< "Coordinates: " << ap.coordinates << '\n'
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<< "Frequency: " << ap.frequency << " Hz" << '\n'
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<< "Friis index: " << ap.friis_index << '\n'
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<< (WifiDevice) ap ;
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return os ;
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}
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