PHY entity for HR/DSSS (11b) More...
#include "dsss-phy.h"
Public Member Functions | |
DsssPhy () | |
Constructor for HR/DSSS PHY. | |
~DsssPhy () override | |
Destructor for HR/DSSS PHY. | |
Ptr< WifiPpdu > | BuildPpdu (const WifiConstPsduMap &psdus, const WifiTxVector &txVector, Time ppduDuration) override |
Build amendment-specific PPDU. | |
Time | GetDuration (WifiPpduField field, const WifiTxVector &txVector) const override |
Get the duration of the PPDU field (or group of fields) used by this entity for the given transmission parameters. | |
uint32_t | GetMaxPsduSize () const override |
Get the maximum PSDU size in bytes. | |
Time | GetPayloadDuration (uint32_t size, const WifiTxVector &txVector, WifiPhyBand band, MpduType mpdutype, bool incFlag, uint32_t &totalAmpduSize, double &totalAmpduNumSymbols, uint16_t staId) const override |
const PpduFormats & | GetPpduFormats () const override |
Return the PPDU formats of the PHY. | |
WifiMode | GetSigMode (WifiPpduField field, const WifiTxVector &txVector) const override |
Get the WifiMode for the SIG field specified by the PPDU field. | |
Public Member Functions inherited from ns3::PhyEntity | |
virtual | ~PhyEntity () |
Destructor for PHY entity. | |
std::list< WifiMode >::const_iterator | begin () const |
Return a const iterator to the first WifiMode. | |
Time | CalculatePhyPreambleAndHeaderDuration (const WifiTxVector &txVector) const |
virtual Time | CalculateTxDuration (const WifiConstPsduMap &psduMap, const WifiTxVector &txVector, WifiPhyBand band) const |
virtual void | CancelAllEvents () |
Cancel and clear all running events. | |
void | CancelRunningEndPreambleDetectionEvents () |
Cancel all end preamble detection events. | |
virtual bool | CanStartRx (Ptr< const WifiPpdu > ppdu) const |
Determine whether the PHY shall issue a PHY-RXSTART.indication primitive in response to a given PPDU. | |
std::list< WifiMode >::const_iterator | end () const |
Return a const iterator to past-the-last WifiMode. | |
void | EndReceiveField (WifiPpduField field, Ptr< Event > event) |
End receiving a given field. | |
void | EndReceivePayload (Ptr< Event > event) |
The last symbol of the PPDU has arrived. | |
virtual Ptr< const WifiPsdu > | GetAddressedPsduInPpdu (Ptr< const WifiPpdu > ppdu) const |
Get the PSDU addressed to that PHY in a PPDU (useful for MU PPDU). | |
virtual dBm_u | GetCcaThreshold (const Ptr< const WifiPpdu > ppdu, WifiChannelListType channelType) const |
Return the CCA threshold for a given channel type. | |
Time | GetDurationUpToField (WifiPpduField field, const WifiTxVector &txVector) const |
Get the duration of the PPDU up to (but excluding) the given field. | |
virtual Time | GetMaxDelayPpduSameUid (const WifiTxVector &txVector) |
Obtain the maximum time between two PPDUs with the same UID to consider they are identical and their power can be added construtively. | |
virtual WifiMode | GetMcs (uint8_t index) const |
Get the WifiMode corresponding to the given MCS index. | |
WifiPpduField | GetNextField (WifiPpduField currentField, WifiPreamble preamble) const |
Return the field following the provided one. | |
virtual uint8_t | GetNumModes () const |
PhyHeaderSections | GetPhyHeaderSections (const WifiTxVector &txVector, Time ppduStart) const |
Return a map of PHY header chunk information per PPDU field. | |
Time | GetRemainingDurationAfterField (Ptr< const WifiPpdu > ppdu, WifiPpduField field) const |
Get the remaining duration of the PPDU after the end of the given field. | |
virtual Ptr< const WifiPpdu > | GetRxPpduFromTxPpdu (Ptr< const WifiPpdu > ppdu) |
The WifiPpdu from the TX PHY is received by each RX PHY attached to the same channel. | |
virtual uint16_t | GetStaId (const Ptr< const WifiPpdu > ppdu) const |
Return the STA ID that has been assigned to the station this PHY belongs to. | |
virtual WifiConstPsduMap | GetWifiConstPsduMap (Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector) const |
Get a WifiConstPsduMap from a PSDU and the TXVECTOR to use to send the PSDU. | |
virtual bool | HandlesMcsModes () const |
Check if the WifiModes handled by this PHY are MCSs. | |
virtual bool | IsMcsSupported (uint8_t index) const |
Check if the WifiMode corresponding to the given MCS index is supported. | |
virtual bool | IsModeSupported (WifiMode mode) const |
Check if the WifiMode is supported. | |
bool | NoEndPreambleDetectionEvents () const |
virtual void | NotifyCcaBusy (const Ptr< const WifiPpdu > ppdu, Time duration, WifiChannelListType channelType) |
Notify PHY state helper to switch to CCA busy state,. | |
virtual uint64_t | ObtainNextUid (const WifiTxVector &txVector) |
Obtain the next UID for the PPDU to transmit. | |
void | ResetReceive (Ptr< Event > event) |
Reset PHY at the end of the PPDU under reception after it has failed the PHY header. | |
void | SetOwner (Ptr< WifiPhy > wifiPhy) |
Set the WifiPhy owning this PHY entity. | |
void | StartReceiveField (WifiPpduField field, Ptr< Event > event) |
Start receiving a given field. | |
virtual void | StartReceivePreamble (Ptr< const WifiPpdu > ppdu, RxPowerWattPerChannelBand &rxPowersW, Time rxDuration) |
Start receiving the PHY preamble of a PPDU (i.e. | |
virtual void | StartTx (Ptr< const WifiPpdu > ppdu) |
This function is called by SpectrumWifiPhy to send the PPDU while performing amendment-specific actions. | |
virtual void | SwitchMaybeToCcaBusy (const Ptr< const WifiPpdu > ppdu) |
Check if PHY state should move to CCA busy state based on current state of interference tracker. | |
void | Transmit (Time txDuration, Ptr< const WifiPpdu > ppdu, dBm_u txPower, Ptr< SpectrumValue > txPowerSpectrum, const std::string &type) |
This function prepares most of the WifiSpectrumSignalParameters parameters and invokes SpectrumWifiPhy's Transmit method. | |
Public Member Functions inherited from ns3::SimpleRefCount< PhyEntity > | |
SimpleRefCount () | |
Default constructor. | |
SimpleRefCount (const SimpleRefCount &o) | |
Copy constructor. | |
uint32_t | GetReferenceCount () const |
Get the reference count of the object. | |
SimpleRefCount & | operator= (const SimpleRefCount &o) |
Assignment operator. | |
void | Ref () const |
Increment the reference count. | |
void | Unref () const |
Decrement the reference count. | |
Static Public Member Functions | |
static WifiCodeRate | GetCodeRate (const std::string &name) |
Return the WifiCodeRate from the DSSS or HR/DSSS mode's unique name using ModulationLookupTable. | |
static uint16_t | GetConstellationSize (const std::string &name) |
Return the constellation size from the DSSS or HR/DSSS mode's unique name using ModulationLookupTable. | |
static uint64_t | GetDataRate (const std::string &name, WifiModulationClass modClass) |
Return the data rate from the DSSS or HR/DSSS mode's unique name and the supplied parameters. | |
static uint64_t | GetDataRateFromTxVector (const WifiTxVector &txVector, uint16_t staId) |
Return the data rate corresponding to the supplied TXVECTOR. | |
static WifiMode | GetDsssRate (uint64_t rate) |
Return a WifiMode for HR/DSSS corresponding to the provided rate. | |
static WifiMode | GetDsssRate11Mbps () |
Return a WifiMode for HR/DSSS at 11 Mbps. | |
static WifiMode | GetDsssRate1Mbps () |
Return a WifiMode for DSSS at 1 Mbps. | |
static WifiMode | GetDsssRate2Mbps () |
Return a WifiMode for DSSS at 2 Mbps. | |
static WifiMode | GetDsssRate5_5Mbps () |
Return a WifiMode for HR/DSSS at 5.5 Mbps. | |
static void | InitializeModes () |
Initialize all HR/DSSS modes. | |
static bool | IsAllowed (const WifiTxVector &txVector) |
Check whether the combination in TXVECTOR is allowed. | |
Private Member Functions | |
PhyFieldRxStatus | DoEndReceiveField (WifiPpduField field, Ptr< Event > event) override |
End receiving a given field, perform amendment-specific actions, and provide the status of the reception. | |
PhyFieldRxStatus | EndReceiveHeader (Ptr< Event > event) |
End receiving the header, perform DSSS-specific actions, and provide the status of the reception. | |
Time | GetHeaderDuration (const WifiTxVector &txVector) const |
WifiMode | GetHeaderMode (const WifiTxVector &txVector) const |
MHz_u | GetMeasurementChannelWidth (const Ptr< const WifiPpdu > ppdu) const override |
Return the channel width used to measure the RSSI. | |
Time | GetPreambleDuration (const WifiTxVector &txVector) const |
MHz_u | GetRxChannelWidth (const WifiTxVector &txVector) const override |
Return the channel width used in the reception spectrum model. | |
Ptr< SpectrumValue > | GetTxPowerSpectralDensity (Watt_u txPower, Ptr< const WifiPpdu > ppdu) const override |
Static Private Member Functions | |
static WifiMode | CreateDsssMode (std::string uniqueName, WifiModulationClass modClass) |
Create a DSSS or HR/DSSS mode from a unique name, the unique name must already be contained inside ModulationLookupTable. | |
Static Private Attributes | |
static const ModulationLookupTable | m_dsssModulationLookupTable |
lookup table to retrieve code rate and constellation size corresponding to a unique name of modulation | |
static const PpduFormats | m_dsssPpduFormats |
DSSS and HR/DSSS PPDU formats. | |
Additional Inherited Members | |
Public Types inherited from ns3::PhyEntity | |
typedef std::pair< std::pair< Time, Time >, WifiMode > | PhyHeaderChunkInfo |
A pair containing information on the PHY header chunk, namely the start and stop times of the chunk and the WifiMode used. | |
typedef std::map< WifiPpduField, PhyHeaderChunkInfo > | PhyHeaderSections |
A map of PhyHeaderChunkInfo elements per PPDU field. | |
enum | PhyRxFailureAction { DROP = 0 , ABORT , IGNORE } |
Action to perform in case of RX failure. More... | |
Protected Types inherited from ns3::PhyEntity | |
using | CcaIndication |
CCA end time and its corresponding channel list type (can be std::nullopt if IDLE) | |
typedef std::pair< WifiCodeRate, uint16_t > | CodeRateConstellationSizePair |
A pair to hold modulation information: code rate and constellation size. | |
typedef std::map< std::string, CodeRateConstellationSizePair > | ModulationLookupTable |
A modulation lookup table using unique name of modulation as key. | |
typedef std::map< WifiPreamble, std::vector< WifiPpduField > > | PpduFormats |
A map of PPDU field elements per preamble type. | |
typedef std::pair< uint64_t, uint16_t > | UidStaIdPair |
A pair of a UID and STA_ID. | |
Protected Member Functions inherited from ns3::PhyEntity | |
void | AbortCurrentReception (WifiPhyRxfailureReason reason) |
Abort the current reception. | |
void | AddPreambleEvent (Ptr< Event > event) |
Add an entry to the map of current preamble events (stored in WifiPhy). | |
Ptr< Event > | CreateInterferenceEvent (Ptr< const WifiPpdu > ppdu, Time duration, RxPowerWattPerChannelBand &rxPower, bool isStartHePortionRxing=false) |
Create an event using WifiPhy's InterferenceHelper class. | |
virtual void | DoAbortCurrentReception (WifiPhyRxfailureReason reason) |
Perform amendment-specific actions before aborting the current reception. | |
virtual void | DoEndReceivePayload (Ptr< const WifiPpdu > ppdu) |
Perform amendment-specific actions at the end of the reception of the payload. | |
virtual PhyFieldRxStatus | DoEndReceivePreamble (Ptr< Event > event) |
End receiving the preamble, perform amendment-specific actions, and provide the status of the reception. | |
virtual Ptr< Event > | DoGetEvent (Ptr< const WifiPpdu > ppdu, RxPowerWattPerChannelBand &rxPowersW) |
Get the event corresponding to the incoming PPDU. | |
virtual void | DoResetReceive (Ptr< Event > event) |
Perform amendment-specific actions before resetting PHY at the end of the PPDU under reception after it has failed the PHY header. | |
virtual bool | DoStartReceiveField (WifiPpduField field, Ptr< Event > event) |
Start receiving a given field, perform amendment-specific actions, and signify if it is supported. | |
virtual Time | DoStartReceivePayload (Ptr< Event > event) |
Start receiving the PSDU (i.e. | |
void | DropPreambleEvent (Ptr< const WifiPpdu > ppdu, WifiPhyRxfailureReason reason, Time endRx) |
Drop the PPDU and the corresponding preamble detection event, but keep CCA busy state after the completion of the currently processed event. | |
void | EndOfMpdu (Ptr< Event > event, Ptr< WifiMpdu > mpdu, size_t mpduIndex, Time relativeStart, Time mpduDuration) |
The last symbol of an MPDU in an A-MPDU has arrived. | |
void | EndPreambleDetectionPeriod (Ptr< Event > event) |
End the preamble detection period. | |
void | ErasePreambleEvent (Ptr< const WifiPpdu > ppdu, Time rxDuration) |
Erase the event corresponding to the PPDU from the list of preamble events, but consider it as noise after the completion of the current event. | |
virtual CcaIndication | GetCcaIndication (const Ptr< const WifiPpdu > ppdu) |
Get CCA end time and its corresponding channel list type when a new signal has been received by the PHY. | |
virtual std::pair< MHz_u, WifiSpectrumBandInfo > | GetChannelWidthAndBand (const WifiTxVector &txVector, uint16_t staId) const |
Get the channel width and band to use (will be overloaded by child classes). | |
Ptr< const Event > | GetCurrentEvent () const |
Get the pointer to the current event (stored in WifiPhy). | |
const std::map< std::pair< uint64_t, WifiPreamble >, Ptr< Event > > & | GetCurrentPreambleEvents () const |
Get the map of current preamble events (stored in WifiPhy). | |
Time | GetDelayUntilCcaEnd (dBm_u threshold, const WifiSpectrumBandInfo &band) |
Return the delay until CCA busy is ended for a given sensitivity threshold and a given band. | |
MHz_u | GetGuardBandwidth (MHz_u currentChannelWidth) const |
SnrPer | GetPhyHeaderSnrPer (WifiPpduField field, Ptr< Event > event) const |
Obtain the SNR and PER of the PPDU field from the WifiPhy's InterferenceHelper class. | |
WifiSpectrumBandInfo | GetPrimaryBand (MHz_u bandWidth) const |
If the operating channel width is a multiple of 20 MHz, return the info corresponding to the primary channel of the given bandwidth (which must be a multiple of 20 MHz and not exceed the operating channel width). | |
double | GetRandomValue () const |
Obtain a random value from the WifiPhy's generator. | |
std::pair< bool, SignalNoiseDbm > | GetReceptionStatus (Ptr< WifiMpdu > mpdu, Ptr< Event > event, uint16_t staId, Time relativeMpduStart, Time mpduDuration) |
Get the reception status for the provided MPDU and notify. | |
Watt_u | GetRxPowerForPpdu (Ptr< Event > event) const |
Obtain the received power for a given band. | |
WifiSpectrumBandInfo | GetSecondaryBand (MHz_u bandWidth) const |
If the channel bonding is used, return the info corresponding to the secondary channel of the given bandwidth (which must be a multiple of 20 MHz and not exceed the operating channel width). | |
std::tuple< dBr_u, dBr_u, dBr_u > | GetTxMaskRejectionParams () const |
virtual void | HandleRxPpduWithSameContent (Ptr< Event > event, Ptr< const WifiPpdu > ppdu, RxPowerWattPerChannelBand &rxPower) |
Handle reception of a PPDU that carries the same content of another PPDU. | |
virtual bool | IsConfigSupported (Ptr< const WifiPpdu > ppdu) const |
Checks if the signaled configuration (excluding bandwidth) is supported by the PHY. | |
void | NotifyInterferenceRxEndAndClear (bool reset) |
Notify WifiPhy's InterferenceHelper of the end of the reception, clear maps and end of MPDU event, and eventually reset WifiPhy. | |
void | NotifyPayloadBegin (const WifiTxVector &txVector, const Time &payloadDuration) |
Fire the trace indicating that the PHY is starting to receive the payload of a PPDU. | |
virtual void | RxPayloadFailed (Ptr< const WifiPsdu > psdu, double snr, const WifiTxVector &txVector) |
Perform amendment-specific actions when the payload is unsuccessfuly received. | |
virtual void | RxPayloadSucceeded (Ptr< const WifiPsdu > psdu, RxSignalInfo rxSignalInfo, const WifiTxVector &txVector, uint16_t staId, const std::vector< bool > &statusPerMpdu) |
Perform amendment-specific actions when the payload is successfully received. | |
void | ScheduleEndOfMpdus (Ptr< Event > event) |
Schedule end of MPDUs events. | |
void | StartPreambleDetectionPeriod (Ptr< Event > event) |
Start the preamble detection period. | |
void | StartReceivePayload (Ptr< Event > event) |
Start receiving the PSDU (i.e. | |
Protected Attributes inherited from ns3::PhyEntity | |
std::vector< EventId > | m_endOfMacHdrEvents |
the end of MAC header events | |
std::vector< EventId > | m_endOfMpduEvents |
the end of MPDU events (only used for A-MPDUs) | |
std::vector< EventId > | m_endPreambleDetectionEvents |
the end of preamble detection events | |
std::vector< EventId > | m_endRxPayloadEvents |
the end of receive events (only one unless UL MU reception) | |
std::list< WifiMode > | m_modeList |
the list of supported modes | |
std::map< UidStaIdPair, SignalNoiseDbm > | m_signalNoiseMap |
Map of the latest signal power and noise power in dBm (noise power includes the noise figure) | |
Ptr< WifiPhyStateHelper > | m_state |
Pointer to WifiPhyStateHelper of the WifiPhy (to make it reachable for child classes) | |
std::map< UidStaIdPair, std::vector< bool > > | m_statusPerMpduMap |
Map of the current reception status per MPDU that is filled in as long as MPDUs are being processed by the PHY in case of an A-MPDU. | |
Ptr< WifiPhy > | m_wifiPhy |
Pointer to the owning WifiPhy. | |
Static Protected Attributes inherited from ns3::PhyEntity | |
static uint64_t | m_globalPpduUid = 0 |
Global counter of the PPDU UID. | |
PHY entity for HR/DSSS (11b)
Refer to IEEE 802.11-2016, clause 16 (HR/DSSS). Note that DSSS rates (clause 15) are a subset of HR/DSSS rates.
Definition at line 35 of file dsss-phy.h.
ns3::DsssPhy::DsssPhy | ( | ) |
Constructor for HR/DSSS PHY.
Definition at line 71 of file dsss-phy.cc.
References GetDsssRate(), ns3::GetDsssRatesBpsList(), ns3::PhyEntity::m_modeList, NS_LOG_FUNCTION, and NS_LOG_LOGIC.
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override |
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overridevirtual |
Build amendment-specific PPDU.
psdus | the PHY payloads (PSDUs) |
txVector | the TXVECTOR that was used for the PPDU |
ppduDuration | the transmission duration of the PPDU |
Reimplemented from ns3::PhyEntity.
Definition at line 190 of file dsss-phy.cc.
References ns3::Create(), ns3::WifiPhy::GetOperatingChannel(), ns3::PhyEntity::m_wifiPhy, NS_LOG_FUNCTION, and ns3::PhyEntity::ObtainNextUid().
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staticprivate |
Create a DSSS or HR/DSSS mode from a unique name, the unique name must already be contained inside ModulationLookupTable.
This method binds all the callbacks used by WifiMode.
uniqueName | the unique name of the WifiMode |
modClass | the modulation class of the WifiMode, must be either WIFI_MOD_CLASS_DSSS or WIFI_MOD_CLASS_HR_DSSS |
Definition at line 318 of file dsss-phy.cc.
References ns3::WifiModeFactory::CreateWifiMode(), GetCodeRate(), GetConstellationSize(), GetDataRateFromTxVector(), IsAllowed(), m_dsssModulationLookupTable, ns3::MakeBoundCallback(), ns3::MakeCallback(), NS_ASSERT_MSG, ns3::WIFI_MOD_CLASS_DSSS, and ns3::WIFI_MOD_CLASS_HR_DSSS.
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overrideprivatevirtual |
End receiving a given field, perform amendment-specific actions, and provide the status of the reception.
field | the ending PPDU field |
event | the event holding incoming PPDU's information |
Reimplemented from ns3::PhyEntity.
Definition at line 201 of file dsss-phy.cc.
References ns3::PhyEntity::DoEndReceiveField(), EndReceiveHeader(), NS_LOG_FUNCTION, and ns3::WIFI_PPDU_FIELD_NON_HT_HEADER.
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private |
End receiving the header, perform DSSS-specific actions, and provide the status of the reception.
event | the event holding incoming PPDU's information |
Definition at line 212 of file dsss-phy.cc.
References ns3::PhyEntity::ABORT, ns3::PhyEntity::PhyFieldRxStatus::actionIfFailure, ns3::PhyEntity::DROP, ns3::PhyEntity::GetPhyHeaderSnrPer(), ns3::PhyEntity::GetRandomValue(), ns3::PhyEntity::IsConfigSupported(), ns3::PhyEntity::PhyFieldRxStatus::isSuccess, ns3::L_SIG_FAILURE, NS_LOG_DEBUG, NS_LOG_FUNCTION, ns3::PhyEntity::SnrPer::per, ns3::RatioToDb(), ns3::PhyEntity::PhyFieldRxStatus::reason, ns3::PhyEntity::SnrPer::snr, ns3::UNSUPPORTED_SETTINGS, and ns3::WIFI_PPDU_FIELD_NON_HT_HEADER.
Referenced by DoEndReceiveField().
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Return the WifiCodeRate from the DSSS or HR/DSSS mode's unique name using ModulationLookupTable.
This is mainly used as a callback for WifiMode operation.
name | the unique name of the DSSS or HR/DSSS mode |
Definition at line 340 of file dsss-phy.cc.
References m_dsssModulationLookupTable.
Referenced by CreateDsssMode().
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Return the constellation size from the DSSS or HR/DSSS mode's unique name using ModulationLookupTable.
This is mainly used as a callback for WifiMode operation.
name | the unique name of the DSSS or HR/DSSS mode |
Definition at line 346 of file dsss-phy.cc.
References m_dsssModulationLookupTable.
Referenced by CreateDsssMode(), and GetDataRate().
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Return the data rate from the DSSS or HR/DSSS mode's unique name and the supplied parameters.
This function is mainly used as a callback for WifiMode operation.
name | the unique name of the DSSS or HR/DSSS mode |
modClass | the modulation class, must be either WIFI_MOD_CLASS_DSSS or WIFI_MOD_CLASS_HR_DSSS |
Definition at line 359 of file dsss-phy.cc.
References GetConstellationSize(), NS_FATAL_ERROR, ns3::WIFI_MOD_CLASS_DSSS, and ns3::WIFI_MOD_CLASS_HR_DSSS.
Referenced by GetDataRateFromTxVector().
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Return the data rate corresponding to the supplied TXVECTOR.
This function is mainly used as a callback for WifiMode operation.
txVector | the TXVECTOR used for the transmission |
staId | the station ID (only here to have a common signature for all callbacks) |
Definition at line 352 of file dsss-phy.cc.
References GetDataRate(), ns3::WifiTxVector::GetMode(), ns3::WifiMode::GetModulationClass(), and ns3::WifiMode::GetUniqueName().
Referenced by CreateDsssMode().
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Return a WifiMode for HR/DSSS corresponding to the provided rate.
rate | the rate in bps |
Definition at line 284 of file dsss-phy.cc.
References GetDsssRate11Mbps(), GetDsssRate1Mbps(), GetDsssRate2Mbps(), GetDsssRate5_5Mbps(), and NS_ABORT_MSG.
Referenced by DsssPhy(), InitializeModes(), and ns3::DsssPpdu::SetTxVectorFromDsssHeader().
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Return a WifiMode for HR/DSSS at 11 Mbps.
Referenced by PhyHeaderSectionsTest::DoRun(), TxDurationTest::DoRun(), and GetDsssRate().
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Return a WifiMode for DSSS at 1 Mbps.
Referenced by PhyHeaderSectionsTest::DoRun(), TxDurationTest::DoRun(), GetDsssRate(), and GetHeaderMode().
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Return a WifiMode for DSSS at 2 Mbps.
Referenced by PhyHeaderSectionsTest::DoRun(), TxDurationTest::DoRun(), GetDsssRate(), and GetHeaderMode().
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Return a WifiMode for HR/DSSS at 5.5 Mbps.
Referenced by TxDurationTest::DoRun(), and GetDsssRate().
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Get the duration of the PPDU field (or group of fields) used by this entity for the given transmission parameters.
field | the PPDU field (or group of fields) |
txVector | the transmission parameters |
Reimplemented from ns3::PhyEntity.
Definition at line 125 of file dsss-phy.cc.
References ns3::PhyEntity::GetDuration(), GetHeaderDuration(), GetPreambleDuration(), ns3::WIFI_PPDU_FIELD_NON_HT_HEADER, and ns3::WIFI_PPDU_FIELD_PREAMBLE.
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private |
txVector | the transmission parameters |
Definition at line 159 of file dsss-phy.cc.
References ns3::WifiMode::GetDataRate(), ns3::WifiTxVector::GetMode(), ns3::WifiTxVector::GetPreambleType(), ns3::MicroSeconds(), and ns3::WIFI_PREAMBLE_SHORT.
Referenced by GetDuration().
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private |
txVector | the transmission parameters |
Definition at line 102 of file dsss-phy.cc.
References GetDsssRate1Mbps(), GetDsssRate2Mbps(), ns3::WifiTxVector::GetMode(), ns3::WifiTxVector::GetPreambleType(), and ns3::WIFI_PREAMBLE_LONG.
Referenced by GetSigMode().
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Get the maximum PSDU size in bytes.
Implements ns3::PhyEntity.
Definition at line 388 of file dsss-phy.cc.
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Return the channel width used to measure the RSSI.
ppdu | the PPDU that is being received |
Implements ns3::PhyEntity.
Definition at line 253 of file dsss-phy.cc.
References GetRxChannelWidth().
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overridevirtual |
size | the number of bytes in the packet to send |
txVector | the TXVECTOR used for the transmission of this packet |
band | the frequency band |
mpdutype | the type of the MPDU as defined in WifiPhy::MpduType. |
incFlag | this flag is used to indicate that the variables need to be update or not This function is called a couple of times for the same packet so variables should not be increased each time. |
totalAmpduSize | the total size of the previously transmitted MPDUs for the concerned A-MPDU. If incFlag is set, this parameter will be updated. |
totalAmpduNumSymbols | the number of symbols previously transmitted for the MPDUs in the concerned A-MPDU, used for the computation of the number of symbols needed for the last MPDU. If incFlag is set, this parameter will be updated. |
staId | the STA-ID of the PSDU (only used for MU PPDUs) |
Implements ns3::PhyEntity.
Definition at line 177 of file dsss-phy.cc.
References ns3::WifiMode::GetDataRate(), ns3::WifiTxVector::GetMode(), and ns3::MicroSeconds().
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Return the PPDU formats of the PHY.
Implements ns3::PhyEntity.
Definition at line 119 of file dsss-phy.cc.
References m_dsssPpduFormats.
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txVector | the transmission parameters |
Definition at line 142 of file dsss-phy.cc.
References ns3::WifiMode::GetDataRate(), ns3::WifiTxVector::GetMode(), ns3::WifiTxVector::GetPreambleType(), ns3::MicroSeconds(), and ns3::WIFI_PREAMBLE_SHORT.
Referenced by GetDuration().
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Return the channel width used in the reception spectrum model.
txVector | the TXVECTOR of the PPDU that is being received |
Reimplemented from ns3::PhyEntity.
Definition at line 237 of file dsss-phy.cc.
References ns3::WifiPhy::GetChannelWidth(), ns3::PhyEntity::GetRxChannelWidth(), and ns3::PhyEntity::m_wifiPhy.
Referenced by GetMeasurementChannelWidth().
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Get the WifiMode for the SIG field specified by the PPDU field.
field | the PPDU field |
txVector | the transmission parameters |
Reimplemented from ns3::PhyEntity.
Definition at line 88 of file dsss-phy.cc.
References GetHeaderMode(), ns3::PhyEntity::GetSigMode(), ns3::WIFI_PPDU_FIELD_NON_HT_HEADER, and ns3::WIFI_PPDU_FIELD_PREAMBLE.
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txPower | power to spread across the bands |
ppdu | the PPDU that will be transmitted |
This is a helper function to create the right TX PSD corresponding to the amendment of this PHY.
Implements ns3::PhyEntity.
Definition at line 259 of file dsss-phy.cc.
References ns3::WifiSpectrumValueHelper::CreateDsssTxPowerSpectralDensity(), ns3::PhyEntity::GetGuardBandwidth(), NS_ABORT_MSG_IF, NS_ASSERT, and NS_LOG_FUNCTION.
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Initialize all HR/DSSS modes.
Definition at line 275 of file dsss-phy.cc.
References GetDsssRate(), and ns3::GetDsssRatesBpsList().
Referenced by anonymous_namespace{dsss-phy.cc}::ConstructorDsss::ConstructorDsss().
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Check whether the combination in TXVECTOR is allowed.
This function is used as a callback for WifiMode operation.
txVector | the TXVECTOR |
Definition at line 382 of file dsss-phy.cc.
Referenced by CreateDsssMode().
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lookup table to retrieve code rate and constellation size corresponding to a unique name of modulation
Definition at line 200 of file dsss-phy.h.
Referenced by CreateDsssMode(), GetCodeRate(), and GetConstellationSize().
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DSSS and HR/DSSS PPDU formats.
Definition at line 197 of file dsss-phy.h.
Referenced by GetPpduFormats().