#include <lte-enb-phy.h>

Inheritance diagram for ns3::LteEnbPhy:

Collaboration diagram for ns3::LteEnbPhy:

Public Member Functions
	LteEnbPhy ()
	LteEnbPhy (Ptr< LteSpectrumPhy > dlPhy, Ptr< LteSpectrumPhy > ulPhy)
virtual	~LteEnbPhy ()
bool	AddUePhy (uint16_t rnti)
void	CalcChannelQualityForUe (std::vector< double > sinr, Ptr< LteSpectrumPhy > ue)
	Calculate the channel quality for a given UE.
FfMacSchedSapProvider::SchedUlCqiInfoReqParameters	CreatePuschCqiReport (const SpectrumValue &sinr)
	Create the UL CQI feedback from SINR values perceived at the physical layer with the PUSCH signal received from eNB.
FfMacSchedSapProvider::SchedUlCqiInfoReqParameters	CreateSrsCqiReport (const SpectrumValue &sinr)
	Create the UL CQI feedback from SINR values perceived at the physical layer with the SRS signal received from eNB.
virtual Ptr< SpectrumValue >	CreateTxPowerSpectralDensity ()
	Create the PSD for TX.
bool	DeleteUePhy (uint16_t rnti)
std::list< UlDciLteControlMessage >	DequeueUlDci (void)
virtual void	DoDispose (void)
virtual uint8_t	DoGetMacChTtiDelay ()
void	DoSendLteControlMessage (Ptr< LteControlMessage > msg)
virtual void	DoSendMacPdu (Ptr< Packet > p)
	Queue the MAC PDU to be sent.
virtual void	DoSetSrsConfigurationIndex (uint16_t rnti, uint16_t srcCi)
virtual void	DoSetTransmissionMode (uint16_t rnti, uint8_t txMode)
virtual void	DoStart (void)
void	EndFrame (void)
	End a LTE frame.
void	EndSubFrame (void)
	End a LTE sub frame.
virtual void	GenerateCtrlCqiReport (const SpectrumValue &sinr)
virtual void	GenerateDataCqiReport (const SpectrumValue &sinr)
std::vector< int >	GetDownlinkSubChannels (void)
LteEnbPhySapProvider *	GetLteEnbPhySapProvider ()
	Get the PHY SAP provider.
uint8_t	GetMacChDelay (void) const
double	GetNoiseFigure () const
double	GetTxPower () const
void	PhyPduReceived (Ptr< Packet > p)
	PhySpectrum received a new PHY-PDU.
void	QueueUlDci (UlDciLteControlMessage m)
virtual void	ReceiveLteControlMessage (Ptr< LteControlMessage > msg)
	Receive the control message.
virtual void	ReceiveLteControlMessageList (std::list< Ptr< LteControlMessage > >)
	PhySpectrum received a new list of LteControlMessage.
void	SendControlChannels (std::list< Ptr< LteControlMessage > > ctrlMsgList)
	Send the PDCCH and PCFICH in the first 3 symbols.
void	SendDataChannels (Ptr< PacketBurst > pb)
	Send the PDSCH.
void	SetDownlinkSubChannels (std::vector< int > mask)
	set the resource blocks (a.k.a. sub channels) to be used in the downlink for transmission
void	SetLteEnbPhySapUser (LteEnbPhySapUser *s)
	Set the PHY SAP User.
void	SetMacChDelay (uint8_t delay)
void	SetNoiseFigure (double pow)
void	SetTxPower (double pow)
void	StartFrame (void)
	Start a LTE frame.
void	StartSubFrame (void)
	Start a LTE sub frame.
Public Member Functions inherited from ns3::LtePhy
	LtePhy ()
	LtePhy (Ptr< LteSpectrumPhy > dlPhy, Ptr< LteSpectrumPhy > ulPhy)
virtual	~LtePhy ()
void	DoSetBandwidth (uint8_t ulBandwidth, uint8_t dlBandwidth)
void	DoSetCellId (uint16_t cellId)
virtual void	DoSetEarfcn (uint16_t dlEarfcn, uint16_t ulEarfcn)
std::list< Ptr < LteControlMessage > >	GetControlMessages (void)
Ptr< LteNetDevice >	GetDevice ()
	Get the device where the phy layer is attached.
Ptr< LteSpectrumPhy >	GetDownlinkSpectrumPhy ()
Ptr< PacketBurst >	GetPacketBurst (void)
uint8_t	GetRbgSize (void) const
uint16_t	GetSrsPeriodicity (uint16_t srcCi) const
uint16_t	GetSrsSubframeOffset (uint16_t srcCi) const
double	GetTti (void) const
Ptr< LteSpectrumPhy >	GetUplinkSpectrumPhy ()
void	SetControlMessages (Ptr< LteControlMessage > m)
void	SetDevice (Ptr< LteNetDevice > d)
	Set the device where the phy layer is attached.
void	SetDownlinkChannel (Ptr< SpectrumChannel > c)
void	SetMacPdu (Ptr< Packet > p)
void	SetTti (double tti)
	Receive SendLteControlMessage (PDCCH map, CQI feedbacks) using the ideal control channel.
void	SetUplinkChannel (Ptr< SpectrumChannel > c)
Public Member Functions inherited from ns3::Object
	Object ()
virtual	~Object ()
void	AggregateObject (Ptr< Object > other)
void	Dispose (void)
AggregateIterator	GetAggregateIterator (void) const
virtual TypeId	GetInstanceTypeId (void) const
template<typename T >
Ptr< T >	GetObject (void) const
template<typename T >
Ptr< T >	GetObject (TypeId tid) const
void	Start (void)
Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter >
	SimpleRefCount ()
	SimpleRefCount (const SimpleRefCount &o)
uint32_t	GetReferenceCount (void) const
SimpleRefCount &	operator= (const SimpleRefCount &o)
void	Ref (void) const
void	Unref (void) const
Public Member Functions inherited from ns3::ObjectBase
virtual	~ObjectBase ()
void	GetAttribute (std::string name, AttributeValue &value) const
bool	GetAttributeFailSafe (std::string name, AttributeValue &attribute) const
void	SetAttribute (std::string name, const AttributeValue &value)
bool	SetAttributeFailSafe (std::string name, const AttributeValue &value)
bool	TraceConnect (std::string name, std::string context, const CallbackBase &cb)
bool	TraceConnectWithoutContext (std::string name, const CallbackBase &cb)
bool	TraceDisconnect (std::string name, std::string context, const CallbackBase &cb)
bool	TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb)

Static Public Member Functions
static TypeId	GetTypeId (void)

Private Attributes
uint16_t	m_currentSrsOffset
std::vector< int >	m_dlDataRbMap
LteEnbPhySapProvider *	m_enbPhySapProvider
LteEnbPhySapUser *	m_enbPhySapUser
std::vector< int >	m_listOfDownlinkSubchannel
uint32_t	m_nrFrames
uint32_t	m_nrSubFrames
std::map< uint16_t, uint16_t >	m_srsCounter
uint16_t	m_srsPeriodicity
std::vector< uint16_t >	m_srsUeOffset
std::set< uint16_t >	m_ueAttached
std::vector< std::list < UlDciLteControlMessage > >	m_ulDciQueue
std::vector< uint16_t >	m_ulRntiRxed

Friends
class	EnbMemberLteEnbPhySapProvider

Additional Inherited Members
Protected Member Functions inherited from ns3::Object
	Object (const Object &o)
virtual void	NotifyNewAggregate (void)
Protected Attributes inherited from ns3::LtePhy
uint16_t	m_cellId
std::vector< std::list< Ptr < LteControlMessage > > >	m_controlMessagesQueue
uint8_t	m_dlBandwidth
uint16_t	m_dlEarfcn
Ptr< LteSpectrumPhy >	m_downlinkSpectrumPhy
uint8_t	m_macChTtiDelay
Ptr< LteNetDevice >	m_netDevice
double	m_noiseFigure
std::vector< Ptr< PacketBurst > >	m_packetBurstQueue
uint8_t	m_rbgSize
double	m_tti
double	m_txPower
uint8_t	m_ulBandwidth
uint16_t	m_ulEarfcn
Ptr< LteSpectrumPhy >	m_uplinkSpectrumPhy

Detailed Description

LteEnbPhy models the physical layer for the eNodeB

Config Paths

ns3::LteEnbPhy is accessible through the following paths with Config::Set and Config::Connect:

/NodeList/[i]/DeviceList/[i]/$ns3::LteEnbNetDevice/LteEnbPhy
/NodeList/[i]/DeviceList/[i]/$ns3::LteNetDevice/$ns3::LteEnbNetDevice/LteEnbPhy

Attributes

TxPower: Transmission power in dBm
- Set with class: ns3::DoubleValue
- Underlying type: double -1.79769e+308:1.79769e+308
- Initial value: 30
- Flags: construct write read
NoiseFigure: Loss (dB) in the Signal-to-Noise-Ratio due to non-idealities in the receiver. According to Wikipedia (http://en.wikipedia.org/wiki/Noise_figure), this is "the difference in decibels (dB) between the noise output of the actual receiver to the noise output of an ideal receiver with the same overall gain and bandwidth when the receivers are connected to sources at the standard noise temperature T0." In this model, we consider T0 = 290K.
- Set with class: ns3::DoubleValue
- Underlying type: double -1.79769e+308:1.79769e+308
- Initial value: 5
- Flags: construct write read
MacToChannelDelay: The delay in TTI units that occurs between a scheduling decision in the MAC and the actual start of the transmission by the PHY. This is intended to be used to model the latency of real PHY and MAC implementations.
- Set with class: ns3::UintegerValue
- Underlying type: uint8_t 0:255
- Initial value: 2
- Flags: construct write read

No TraceSources are defined for this type.

Definition at line 44 of file lte-enb-phy.h.

Constructor & Destructor Documentation

ns3::LteEnbPhy::LteEnbPhy ( )

Warning: the default constructor should not be used

Definition at line 135 of file lte-enb-phy.cc.

References NS_FATAL_ERROR, and NS_LOG_FUNCTION.

ns3::LteEnbPhy::LteEnbPhy	(	Ptr< LteSpectrumPhy >	dlPhy,
		Ptr< LteSpectrumPhy >	ulPhy
	)

Parameters

dlPhy	the downlink LteSpectrumPhy instance
ulPhy	the uplink LteSpectrumPhy instance

Definition at line 141 of file lte-enb-phy.cc.

References EnbMemberLteEnbPhySapProvider, m_enbPhySapProvider, ns3::Simulator::ScheduleNow(), and StartFrame().

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ns3::LteEnbPhy::~LteEnbPhy ( )

virtual

Definition at line 187 of file lte-enb-phy.cc.

Member Function Documentation

bool ns3::LteEnbPhy::AddUePhy ( uint16_t rnti )

Definition at line 278 of file lte-enb-phy.cc.

References m_ueAttached, and NS_LOG_ERROR.

void ns3::LteEnbPhy::CalcChannelQualityForUe	(	std::vector< double >	sinr,
		Ptr< LteSpectrumPhy >	ue
	)

Calculate the channel quality for a given UE.

Parameters

sinr	a list of computed SINR
ue	the UE

Definition at line 362 of file lte-enb-phy.cc.

References NS_LOG_FUNCTION.

FfMacSchedSapProvider::SchedUlCqiInfoReqParameters ns3::LteEnbPhy::CreatePuschCqiReport ( const SpectrumValue & sinr )

Create the UL CQI feedback from SINR values perceived at the physical layer with the PUSCH signal received from eNB.

Parameters

sinr	SINR values vector

Definition at line 589 of file lte-enb-phy.cc.

References ns3::SpectrumValue::ConstValuesBegin(), ns3::SpectrumValue::ConstValuesEnd(), ns3::LteFfConverter::double2fpS11dot3(), ns3::UlCqi_s::m_sinr, ns3::UlCqi_s::m_type, ns3::FfMacSchedSapProvider::SchedUlCqiInfoReqParameters::m_ulCqi, NS_LOG_FUNCTION, and ns3::UlCqi_s::PUSCH.

Referenced by GenerateDataCqiReport().

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FfMacSchedSapProvider::SchedUlCqiInfoReqParameters ns3::LteEnbPhy::CreateSrsCqiReport ( const SpectrumValue & sinr )

Create the UL CQI feedback from SINR values perceived at the physical layer with the SRS signal received from eNB.

Parameters

sinr	SINR values vector

Definition at line 611 of file lte-enb-phy.cc.

References ns3::SpectrumValue::ConstValuesBegin(), ns3::SpectrumValue::ConstValuesEnd(), ns3::LteFfConverter::double2fpS11dot3(), m_currentSrsOffset, ns3::UlCqi_s::m_sinr, m_srsUeOffset, ns3::VendorSpecificListElement_s::m_type, ns3::UlCqi_s::m_type, ns3::FfMacSchedSapProvider::SchedUlCqiInfoReqParameters::m_ulCqi, ns3::FfMacSchedSapProvider::SchedUlCqiInfoReqParameters::m_vendorSpecificList, NS_LOG_DEBUG, NS_LOG_FUNCTION, ns3::UlCqi_s::SRS, and SRS_CQI_RNTI_VSP.

Referenced by GenerateCtrlCqiReport().

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Ptr< SpectrumValue > ns3::LteEnbPhy::CreateTxPowerSpectralDensity ( )

virtual

Create the PSD for TX.

Implements ns3::LtePhy.

Definition at line 351 of file lte-enb-phy.cc.

References GetDownlinkSubChannels(), ns3::LtePhy::m_dlBandwidth, ns3::LtePhy::m_dlEarfcn, ns3::LtePhy::m_txPower, and NS_LOG_FUNCTION.

Referenced by SetDownlinkSubChannels().

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bool ns3::LteEnbPhy::DeleteUePhy ( uint16_t rnti )

Definition at line 295 of file lte-enb-phy.cc.

References m_ueAttached, and NS_LOG_ERROR.

std::list< UlDciLteControlMessage > ns3::LteEnbPhy::DequeueUlDci ( void )

Returns: the list of UL-CQI to be processed

Definition at line 654 of file lte-enb-phy.cc.

References m_ulDciQueue, and NS_LOG_FUNCTION.

Referenced by StartSubFrame().

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void ns3::LteEnbPhy::DoDispose ( void )

virtual

This method is called by Object::Dispose or by the object's destructor, whichever comes first.

Subclasses are expected to implement their real destruction code in an overriden version of this method and chain up to their parent's implementation once they are done. i.e., for simplicity, the destructor of every subclass should be empty and its content should be moved to the associated DoDispose method.

It is safe to call GetObject from within this method.

Reimplemented from ns3::LtePhy.

Definition at line 192 of file lte-enb-phy.cc.

References m_enbPhySapProvider, m_srsUeOffset, m_ueAttached, and NS_LOG_FUNCTION.

uint8_t ns3::LteEnbPhy::DoGetMacChTtiDelay ( )

virtual

Definition at line 321 of file lte-enb-phy.cc.

References ns3::LtePhy::m_macChTtiDelay.

Referenced by ns3::EnbMemberLteEnbPhySapProvider::GetMacChTtiDelay().

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void ns3::LteEnbPhy::DoSendLteControlMessage ( Ptr< LteControlMessage > msg )

Definition at line 369 of file lte-enb-phy.cc.

References NS_LOG_FUNCTION, and ns3::LtePhy::SetControlMessages().

Referenced by ns3::EnbMemberLteEnbPhySapProvider::SendLteControlMessage().

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void ns3::LteEnbPhy::DoSendMacPdu ( Ptr< Packet > p )

virtual

Queue the MAC PDU to be sent.

Parameters

p	the MAC PDU to sent

Implements ns3::LtePhy.

Definition at line 314 of file lte-enb-phy.cc.

References NS_LOG_FUNCTION, and ns3::LtePhy::SetMacPdu().

Referenced by ns3::EnbMemberLteEnbPhySapProvider::SendMacPdu().

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void ns3::LteEnbPhy::DoSetSrsConfigurationIndex	(	uint16_t	rnti,
		uint16_t	srcCi
	)

virtual

Definition at line 676 of file lte-enb-phy.cc.

References ns3::LtePhy::GetSrsPeriodicity(), ns3::LtePhy::GetSrsSubframeOffset(), m_currentSrsOffset, m_srsCounter, m_srsPeriodicity, m_srsUeOffset, NS_LOG_DEBUG, and NS_LOG_FUNCTION.

Referenced by ns3::EnbMemberLteEnbPhySapProvider::SetSrsConfigurationIndex().

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void ns3::LteEnbPhy::DoSetTransmissionMode	(	uint16_t	rnti,
		uint8_t	txMode
	)

virtual

Definition at line 640 of file lte-enb-phy.cc.

References NS_LOG_FUNCTION.

Referenced by ns3::EnbMemberLteEnbPhySapProvider::SetTransmissionMode().

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void ns3::LteEnbPhy::DoStart ( void )

virtual

This method is called only once by Object::Start. If the user calls Object::Start multiple times, DoStart is called only the first time.

Subclasses are expected to override this method and chain up to their parent's implementation once they are done. It is safe to call GetObject and AggregateObject from within this method.

Reimplemented from ns3::Object.

Definition at line 202 of file lte-enb-phy.cc.

References ns3::LteSpectrumValueHelper::CreateNoisePowerSpectralDensity(), ns3::LtePhy::m_noiseFigure, ns3::LtePhy::m_ulBandwidth, ns3::LtePhy::m_ulEarfcn, ns3::LtePhy::m_uplinkSpectrumPhy, NS_LOG_FUNCTION, and ns3::LteSpectrumPhy::SetNoisePowerSpectralDensity().

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void ns3::LteEnbPhy::EndFrame ( void )

End a LTE frame.

Definition at line 563 of file lte-enb-phy.cc.

References ns3::Simulator::Now(), NS_LOG_FUNCTION, ns3::Simulator::ScheduleNow(), and StartFrame().

Referenced by EndSubFrame().

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void ns3::LteEnbPhy::EndSubFrame ( void )

End a LTE sub frame.

Definition at line 548 of file lte-enb-phy.cc.

References EndFrame(), m_nrSubFrames, ns3::Simulator::Now(), NS_LOG_FUNCTION, ns3::Simulator::ScheduleNow(), and StartSubFrame().

Referenced by StartSubFrame().

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void ns3::LteEnbPhy::GenerateCtrlCqiReport ( const SpectrumValue & sinr )

virtual

generate a CQI report based on the given SINR of Ctrl frame

Parameters

sinr	the SINR vs frequency measured by the device

Implements ns3::LtePhy.

Definition at line 571 of file lte-enb-phy.cc.

References CreateSrsCqiReport(), m_enbPhySapUser, NS_LOG_FUNCTION, and ns3::LteEnbPhySapUser::UlCqiReport().

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void ns3::LteEnbPhy::GenerateDataCqiReport ( const SpectrumValue & sinr )

virtual

generate a CQI report based on the given SINR of Data frame (used for PUSCH CQIs)

Parameters

sinr	the SINR vs frequency measured by the device

Implements ns3::LtePhy.

Definition at line 579 of file lte-enb-phy.cc.

References CreatePuschCqiReport(), m_enbPhySapUser, NS_LOG_FUNCTION, and ns3::LteEnbPhySapUser::UlCqiReport().

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std::vector< int > ns3::LteEnbPhy::GetDownlinkSubChannels ( void )

Returns: a vector of integers, if the i-th value is j it means that the j-th resource block is used for transmission in the downlink. If there is no i such that the value of the i-th element is j, it means that RB j is not used.

Definition at line 344 of file lte-enb-phy.cc.

References m_listOfDownlinkSubchannel, and NS_LOG_FUNCTION.

Referenced by CreateTxPowerSpectralDensity().

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LteEnbPhySapProvider * ns3::LteEnbPhy::GetLteEnbPhySapProvider ( )

Get the PHY SAP provider.

Returns: a pointer to the SAP Provider of the PHY

Definition at line 218 of file lte-enb-phy.cc.

References m_enbPhySapProvider.

uint8_t ns3::LteEnbPhy::GetMacChDelay ( void ) const

Returns: the TTI delay between MAC and channel

Definition at line 272 of file lte-enb-phy.cc.

References ns3::LtePhy::m_macChTtiDelay.

Referenced by GetTypeId().

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double ns3::LteEnbPhy::GetNoiseFigure ( ) const

Returns: the noise figure in dB

Definition at line 245 of file lte-enb-phy.cc.

References ns3::LtePhy::m_noiseFigure, and NS_LOG_FUNCTION.

Referenced by GetTypeId().

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double ns3::LteEnbPhy::GetTxPower ( ) const

Returns: the transmission power in dBm

Definition at line 231 of file lte-enb-phy.cc.

References ns3::LtePhy::m_txPower, and NS_LOG_FUNCTION.

Referenced by GetTypeId().

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TypeId ns3::LteEnbPhy::GetTypeId ( void )

static

Reimplemented from ns3::LtePhy.

Definition at line 153 of file lte-enb-phy.cc.

References GetMacChDelay(), GetNoiseFigure(), GetTxPower(), SetMacChDelay(), SetNoiseFigure(), ns3::TypeId::SetParent(), and SetTxPower().

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void ns3::LteEnbPhy::PhyPduReceived ( Ptr< Packet > p )

PhySpectrum received a new PHY-PDU.

Definition at line 328 of file lte-enb-phy.cc.

References m_enbPhySapUser, NS_LOG_FUNCTION, and ns3::LteEnbPhySapUser::ReceivePhyPdu().

Referenced by ns3::LteHelper::InstallSingleEnbDevice().

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void ns3::LteEnbPhy::QueueUlDci ( UlDciLteControlMessage m )

Parameters

m	the UL-CQI to be queued

Definition at line 647 of file lte-enb-phy.cc.

References m_ulDciQueue, NS_LOG_FUNCTION, and UL_PUSCH_TTIS_DELAY.

Referenced by StartSubFrame().

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void ns3::LteEnbPhy::ReceiveLteControlMessage ( Ptr< LteControlMessage > msg )

virtual

Receive the control message.

Parameters

msg	the received message

Definition at line 379 of file lte-enb-phy.cc.

References m_enbPhySapUser, NS_FATAL_ERROR, NS_LOG_FUNCTION, and ns3::LteEnbPhySapUser::ReceiveLteControlMessage().

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void ns3::LteEnbPhy::ReceiveLteControlMessageList ( std::list< Ptr< LteControlMessage > > msgList )

virtual

PhySpectrum received a new list of LteControlMessage.

Definition at line 387 of file lte-enb-phy.cc.

References m_enbPhySapUser, NS_LOG_FUNCTION, and ns3::LteEnbPhySapUser::ReceiveLteControlMessage().

Referenced by ns3::LteHelper::InstallSingleEnbDevice().

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void ns3::LteEnbPhy::SendControlChannels ( std::list< Ptr< LteControlMessage > > ctrlMsgList )

Send the PDCCH and PCFICH in the first 3 symbols.

Parameters

ctrlMsgList the list of control messages of PDCCH

Definition at line 519 of file lte-enb-phy.cc.

References ns3::LtePhy::m_cellId, ns3::LtePhy::m_dlBandwidth, ns3::LtePhy::m_downlinkSpectrumPhy, NS_LOG_FUNCTION, NS_LOG_LOGIC, SetDownlinkSubChannels(), and ns3::LteSpectrumPhy::StartTxDlCtrlFrame().

Referenced by StartSubFrame().

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void ns3::LteEnbPhy::SendDataChannels ( Ptr< PacketBurst > pb )

Send the PDSCH.

Parameters

pb	the PacketBurst to be sent

Definition at line 535 of file lte-enb-phy.cc.

References ns3::DL_DATA_DURATION, m_dlDataRbMap, ns3::LtePhy::m_downlinkSpectrumPhy, NS_LOG_LOGIC, SetDownlinkSubChannels(), and ns3::LteSpectrumPhy::StartTxDataFrame().

Referenced by StartSubFrame().

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void ns3::LteEnbPhy::SetDownlinkSubChannels ( std::vector< int > mask )

set the resource blocks (a.k.a. sub channels) to be used in the downlink for transmission

Parameters

mask	a vector of integers, if the i-th value is j it means that the j-th resource block is used for transmission in the downlink. If there is no i such that the value of the i-th element is j, it means that RB j is not used.

Definition at line 335 of file lte-enb-phy.cc.

References CreateTxPowerSpectralDensity(), ns3::LtePhy::m_downlinkSpectrumPhy, m_listOfDownlinkSubchannel, NS_LOG_FUNCTION, and ns3::LteSpectrumPhy::SetTxPowerSpectralDensity().

Referenced by SendControlChannels(), and SendDataChannels().

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