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wifi: Add functions to retrieve the modulation class and PHY entity for a given standard

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This commit is contained in:
Sebastien Deronne
2022-04-21 21:31:06 +02:00
parent 81bae65d4a
commit 79ea8d014f
4 changed files with 58 additions and 2 deletions
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35
src/wifi/model/wifi-phy-common.cc
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@@ -187,4 +187,39 @@ IsUlMu (WifiPreamble preamble)
return ((preamble == WIFI_PREAMBLE_HE_TB) || (preamble == WIFI_PREAMBLE_EHT_TB));
}
WifiModulationClass
GetModulationClassForStandard (WifiStandard standard)
{
WifiModulationClass modulationClass {WIFI_MOD_CLASS_UNKNOWN};
switch (standard)
{
case WIFI_STANDARD_80211a:
[[fallthrough]];
case WIFI_STANDARD_80211p:
modulationClass = WIFI_MOD_CLASS_OFDM;
break;
case WIFI_STANDARD_80211b:
modulationClass = WIFI_MOD_CLASS_DSSS;
break;
case WIFI_STANDARD_80211g:
modulationClass = WIFI_MOD_CLASS_ERP_OFDM;
break;
case WIFI_STANDARD_80211n:
modulationClass = WIFI_MOD_CLASS_HT;
break;
case WIFI_STANDARD_80211ac:
modulationClass = WIFI_MOD_CLASS_VHT;
break;
case WIFI_STANDARD_80211ax:
modulationClass = WIFI_MOD_CLASS_HE;
break;
case WIFI_STANDARD_UNSPECIFIED:
[[fallthrough]];
default:
NS_ASSERT_MSG (false, "Unsupported standard " << standard);
break;
}
return modulationClass;
}
} //namespace ns3

9
src/wifi/model/wifi-phy-common.h
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@@ -26,6 +26,7 @@
#include <ostream>
#include "ns3/fatal-error.h"
#include "ns3/ptr.h"
#include "wifi-standards.h"
/**
* \file
@@ -488,6 +489,14 @@ bool IsDlMu (WifiPreamble preamble);
*/
bool IsUlMu (WifiPreamble preamble);
/**
* Return the modulation class corresponding to a given standard.
*
* \param standard the standard
* \return the modulation class corresponding to the standard
*/
WifiModulationClass GetModulationClassForStandard (WifiStandard standard);
} //namespace ns3
#endif /* WIFI_PHY_COMMON_H */

6
src/wifi/model/wifi-phy.cc
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@@ -655,6 +655,12 @@ WifiPhy::GetPhyEntity (WifiModulationClass modulation) const
return it->second;
}
Ptr<PhyEntity>
WifiPhy::GetPhyEntity (WifiStandard standard) const
{
return GetPhyEntity (GetModulationClassForStandard (standard));
}
void
WifiPhy::AddStaticPhyEntity (WifiModulationClass modulation, Ptr<PhyEntity> phyEntity)
{

10
src/wifi/model/wifi-phy.h
View File

@@ -1008,13 +1008,19 @@ public:
static const Ptr<const PhyEntity> GetStaticPhyEntity (WifiModulationClass modulation);
/**
* Get the supported PHY entity corresponding to the modulation class, for
* the WifiPhy instance.
* Get the supported PHY entity corresponding to the modulation class.
*
* \param modulation the modulation class
* \return the pointer to the supported PHY entity
*/
Ptr<PhyEntity> GetPhyEntity (WifiModulationClass modulation) const;
/**
* Get the supported PHY entity corresponding to the wifi standard.
*
* \param standard the wifi standard
* \return the pointer to the supported PHY entity
*/
Ptr<PhyEntity> GetPhyEntity (WifiStandard standard) const;
/**
* \return the UID of the previously received PPDU (reset to UINT64_MAX upon transmission)