ns3::LteMiErrorModel Class Reference

This class provides the BLER estimation based on mutual information metrics. More...

#include "lte-mi-error-model.h"

Static Public Member Functions
static double	GetPcfichPdcchError (const SpectrumValue &sinr)
	run the error-model algorithm for the specified PCFICH+PDCCH channels More...
static TbStats_t	GetTbDecodificationStats (const SpectrumValue &sinr, const std::vector< int > &map, uint16_t size, uint8_t mcs, HarqProcessInfoList_t miHistory)
	run the error-model algorithm for the specified TB More...
static double	MappingMiBler (double mib, uint8_t ecrId, uint16_t cbSize)
	map the mmib (mean mutual information per bit) for different MCS More...
static double	Mib (const SpectrumValue &sinr, const std::vector< int > &map, uint8_t mcs)
	find the mmib (mean mutual information per bit) for different modulations of the specified TB More...

Detailed Description

This class provides the BLER estimation based on mutual information metrics.

Definition at line 81 of file lte-mi-error-model.h.

Member Function Documentation

GetPcfichPdcchError()

double ns3::LteMiErrorModel::GetPcfichPdcchError ( const SpectrumValue &  sinr )

static

run the error-model algorithm for the specified PCFICH+PDCCH channels

Parameters

sinr	the perceived sinr values in the whole bandwidth in Watt

Returns

the decodification error of the PCFICH+PDCCH channels

Definition at line 466 of file lte-mi-error-model.cc.

References max, ns3::MI_map_qpsk, ns3::MI_map_qpsk_axis, ns3::MI_MAP_QPSK_SIZE, NS_ASSERT, NS_ASSERT_MSG, NS_LOG_FUNCTION, ns3::PDCCH_PCFICH_CURVE_SIZE, ns3::PdcchPcfichBlerCurveXaxis, ns3::PdcchPcfichBlerCurveYaxis, ns3::SpectrumValue::ValuesBegin(), and ns3::SpectrumValue::ValuesEnd().

Referenced by ns3::LteSpectrumPhy::EndRxDlCtrl().

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GetTbDecodificationStats()

TbStats_t ns3::LteMiErrorModel::GetTbDecodificationStats ( const SpectrumValue &  sinr, const std::vector< int > &  map, uint16_t  size, uint8_t  mcs, HarqProcessInfoList_t  miHistory  )

static

run the error-model algorithm for the specified TB

Parameters

sinr	the perceived sinr values in the whole bandwidth in Watt
map	the active RBs for the TB
size	the size in bytes of the TB
mcs	the MCS of the TB
miHistory	MI of past transmissions (in case of retx)

Returns

the TB error rate and MI

Definition at line 557 of file lte-mi-error-model.cc.

References ns3::BlerCurvesEcrMap, ns3::cbSizeTable, MappingMiBler(), max, ns3::McsEcrBlerTableMapping, ns3::McsEcrTable, ns3::TbStats_t::mi, ns3::MI_16QAM_MAX_ID, ns3::MI_64QAM_MAX_ID, ns3::MI_QPSK_MAX_ID, Mib(), min, NS_ASSERT, NS_LOG_DEBUG, NS_LOG_FUNCTION, NS_LOG_INFO, NS_LOG_LOGIC, and ns3::TbStats_t::tbler.

Referenced by ns3::LteSpectrumPhy::EndRxData().

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MappingMiBler()

double ns3::LteMiErrorModel::MappingMiBler ( double  mib, uint8_t  ecrId, uint16_t  cbSize  )

static

map the mmib (mean mutual information per bit) for different MCS

Parameters

mib	mean mutual information per bit of a code-block
ecrId	Effective Code Rate ID
cbSize	the size of the CB

Returns

the code block error rate

Definition at line 420 of file lte-mi-error-model.cc.

References ns3::bEcrTable, ns3::BlerCurvesEcrMap, ns3::cbMiSizeTable, ns3::cEcrTable, ns3::MI_64QAM_BLER_MAX_ID, NS_ASSERT_MSG, NS_LOG_FUNCTION, and NS_LOG_LOGIC.

Referenced by GetTbDecodificationStats().

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Mib()

double ns3::LteMiErrorModel::Mib ( const SpectrumValue &  sinr, const std::vector< int > &  map, uint8_t  mcs  )

static

find the mmib (mean mutual information per bit) for different modulations of the specified TB

Parameters

sinr	the perceived sinr values in the whole bandwidth in Watt
map	the active RBs for the TB
mcs	the MCS of the TB

Returns

the mmib

Definition at line 335 of file lte-mi-error-model.cc.

References max, ns3::MI_16QAM_MAX_ID, ns3::MI_map_16qam, ns3::MI_map_16qam_axis, ns3::MI_MAP_16QAM_SIZE, ns3::MI_map_64qam, ns3::MI_map_64qam_axis, ns3::MI_MAP_64QAM_SIZE, ns3::MI_map_qpsk, ns3::MI_map_qpsk_axis, ns3::MI_MAP_QPSK_SIZE, ns3::MI_QPSK_MAX_ID, NS_ASSERT_MSG, NS_LOG_FUNCTION, and NS_LOG_LOGIC.

Referenced by GetTbDecodificationStats().

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

• src/lte/model/lte-mi-error-model.h
• src/lte/model/lte-mi-error-model.cc