ns3::NrLteAmc Class Reference

#include "nr-lte-amc.h"

Inheritance diagram for ns3::NrLteAmc:

Collaboration diagram for ns3::NrLteAmc:

Public Types
enum	AmcModel { PiroEW2010 , MiErrorModel }
	Types of AMC model. More...

Public Member Functions
int	GetCqiFromSpectralEfficiency (double s)
	Get a proper CQI for the spectral efficiency value. In order to assure a lower block error rate, the AMC chooses the lower CQI value for a given spectral efficiency.
int	GetDlTbSizeFromMcs (int mcs, int nprb)
	Get the Transport Block Size for a selected MCS and number of PRB (table 7.1.7.2.1-1 of 36.213)
int	GetMcsFromCqi (int cqi)
	Get the Modulation and Coding Scheme for a CQI value.
int	GetUlTbSizeFromMcs (int mcs, int nprb)
	Get the Transport Block Size for a selected MCS and number of PRB (table 8.6.1-1 of 36.213)

Static Public Member Functions
static TypeId	GetTypeId ()
	Get the type ID.

Detailed Description

Implements the Adaptive Modulation And Coding Scheme. As proposed in 3GPP TSG-RAN WG1 [R1-081483 Conveying MCS and TB size via PDCCH] (http://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_52b/Docs/R1-081483.zip).

Introspection did not find any typical Config paths.

Attributes

• Ber: The requested BER in assigning MCS (default is 0.00005).
  • Set with class: ns3::DoubleValue
  • Underlying type: double -1.79769e+308:1.79769e+308
  • Initial value: 5e-05
  • Flags: construct write read
• AmcModel: AMC model used to assign CQI
  • Set with class: ns3::EnumValue<ns3::NrLteAmc::AmcModel>
  • Underlying type: Vienna|PiroEW2010
  • Initial value: Vienna
  • Flags: construct write read

No TraceSources are defined for this type.
Size of this type is 72 bytes (on a 64-bit architecture).

Definition at line 28 of file nr-lte-amc.h.

Member Enumeration Documentation

AmcModel

enum ns3::NrLteAmc::AmcModel

Types of AMC model.

Enumerator
PiroEW2010	An AMC model based on Piro, G.; Grieco, L.A; Boggia, G.; Camarda, P., "A two-level scheduling algorithm for QoS support in the downlink of LTE cellular networks," Wireless Conference (EW), 2010 European, pp.246,253, 12-15 April 2010.
MiErrorModel	An AMC model based on 10% of BER according to NrLteMiErrorModel.

Definition at line 41 of file nr-lte-amc.h.

Constructor & Destructor Documentation

NrLteAmc()

ns3::NrLteAmc::NrLteAmc

(

)

Definition at line 442 of file nr-lte-amc.cc.

~NrLteAmc()

ns3::NrLteAmc::~NrLteAmc ( )

override

Definition at line 446 of file nr-lte-amc.cc.

Member Function Documentation

GetCqiFromSpectralEfficiency()

int ns3::NrLteAmc::GetCqiFromSpectralEfficiency

(

double

s

)

Get a proper CQI for the spectral efficiency value. In order to assure a lower block error rate, the AMC chooses the lower CQI value for a given spectral efficiency.

Parameters

s	the spectral efficiency

Returns

the CQI value

Definition at line 475 of file nr-lte-amc.cc.

GetDlTbSizeFromMcs()

int ns3::NrLteAmc::GetDlTbSizeFromMcs	(	int	mcs,
		int	nprb
	)

Get the Transport Block Size for a selected MCS and number of PRB (table 7.1.7.2.1-1 of 36.213)

Parameters

mcs	the MCS index
nprb	the no. of PRB

Returns

the Transport Block Size in bits

Definition at line 504 of file nr-lte-amc.cc.

Referenced by ns3::LenaErrorModel::GetPayloadSize().

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GetMcsFromCqi()

int ns3::NrLteAmc::GetMcsFromCqi

(

int

cqi

)

Get the Modulation and Coding Scheme for a CQI value.

Parameters

cqi	the cqi value

Returns

the MCS value

Definition at line 489 of file nr-lte-amc.cc.

GetTypeId()

TypeId ns3::NrLteAmc::GetTypeId ( )

static

Get the type ID.

Returns

the object TypeId

Definition at line 451 of file nr-lte-amc.cc.

GetUlTbSizeFromMcs()

int ns3::NrLteAmc::GetUlTbSizeFromMcs	(	int	mcs,
		int	nprb
	)

Get the Transport Block Size for a selected MCS and number of PRB (table 8.6.1-1 of 36.213)

Parameters

mcs	the MCS index
nprb	the no. of PRB

Returns

the Transport Block Size in bits

Definition at line 516 of file nr-lte-amc.cc.

Referenced by ns3::LenaErrorModel::GetPayloadSize().

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The documentation for this class was generated from the following files:

• nr-lte-amc.h
• nr-lte-amc.cc