A Discrete-Event Network Simulator
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lte-spectrum-value-helper.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2010 TELEMATICS LAB, DEE - Politecnico di Bari
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*
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* SPDX-License-Identifier: GPL-2.0-only
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*
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* Author: Giuseppe Piro <g.piro@poliba.it>
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*/
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#ifndef LTE_SPECTRUM_VALUE_HELPER_H
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#define LTE_SPECTRUM_VALUE_HELPER_H
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#include <ns3/spectrum-value.h>
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#include <map>
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#include <vector>
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namespace
ns3
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{
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/**
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* \ingroup lte
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*
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* \brief This class defines all functions to create spectrum model for lte
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*/
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class
LteSpectrumValueHelper
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{
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public
:
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/**
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* Calculates the carrier frequency from the E-UTRA Absolute
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* Radio Frequency Channel Number (EARFCN) according to 3GPP TS
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* 36.101 section 5.7.3 "Carrier frequency and EARFCN".
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*
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* \param earfcn the EARFCN
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*
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* \return the carrier frequency in Hz
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*/
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static
double
GetCarrierFrequency
(
uint32_t
earfcn);
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/**
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* Converts downlink EARFCN to corresponding LTE frequency band number.
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*
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* \param nDl the EARFCN
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*
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* \return the downlink carrier band
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*/
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static
uint16_t
GetDownlinkCarrierBand
(
uint32_t
nDl);
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/**
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* Converts uplink EARFCN to corresponding LTE frequency band number.
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*
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* \param nUl the EARFCN
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*
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* \return the uplink carrier band
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*/
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static
uint16_t
GetUplinkCarrierBand
(
uint32_t
nUl);
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/**
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* Calculates the downlink carrier frequency from the E-UTRA Absolute
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* Radio Frequency Channel Number (EARFCN) using the formula in 3GPP TS
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* 36.101 section 5.7.3 "Carrier frequency and EARFCN".
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*
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* \param earfcn the EARFCN
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*
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* \return the downlink carrier frequency in Hz
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*/
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static
double
GetDownlinkCarrierFrequency
(
uint32_t
earfcn);
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/**
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* Calculates the uplink carrier frequency from the E-UTRA Absolute
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* Radio Frequency Channel Number (EARFCN) using the formula in 3GPP TS
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* 36.101 section 5.7.3 "Carrier frequency and EARFCN".
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*
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* \param earfcn the EARFCN
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*
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* \return the uplink carrier frequency in Hz
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*/
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static
double
GetUplinkCarrierFrequency
(
uint32_t
earfcn);
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/**
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*
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*
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* \param txBandwidthConf the transmission bandwidth
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* configuration in number of resource blocks
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*
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* \return the nominal channel bandwidth in Hz as per 3GPP TS 36.101
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*/
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static
double
GetChannelBandwidth
(uint16_t txBandwidthConf);
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/**
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*
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* \param earfcn the carrier frequency (EARFCN) at which reception
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* is made
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* \param bandwidth the Transmission Bandwidth Configuration in
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* number of resource blocks
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*
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* \return the static SpectrumModel instance corresponding to the
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* given carrier frequency and transmission bandwidth
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* configuration. If such SpectrumModel does not exist, it is
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* created.
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*/
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static
Ptr<SpectrumModel>
GetSpectrumModel
(
uint32_t
earfcn, uint16_t bandwidth);
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/**
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* create a spectrum value representing the power spectral
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* density of a signal to be transmitted. See 3GPP TS 36.101 for
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* a definition of most of the parameters described here.
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*
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* \param earfcn the carrier frequency (EARFCN) of the transmission
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* \param bandwidth the Transmission Bandwidth Configuration in
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* number of resource blocks
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* \param powerTx the total power in dBm over the whole bandwidth
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* \param activeRbs the list of Active Resource Blocks (PRBs)
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*
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* \return a pointer to a newly allocated SpectrumValue representing the TX Power Spectral
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* Density in W/Hz for each Resource Block
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*/
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static
Ptr<SpectrumValue>
CreateTxPowerSpectralDensity
(
uint32_t
earfcn,
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uint16_t bandwidth,
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double
powerTx,
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std::vector<int> activeRbs);
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/**
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* create a spectrum value representing the power spectral
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* density of a signal to be transmitted. See 3GPP TS 36.101 for
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* a definition of most of the parameters described here.
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*
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* \param earfcn the carrier frequency (EARFCN) of the transmission
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* \param bandwidth the Transmission Bandwidth Configuration in
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* number of resource blocks
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* \param powerTx the total power in dBm over the whole bandwidth
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* \param powerTxMap the map of power in dBm for each RB,
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* if map contain power for RB, powerTx is not used for this RB,
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* otherwise powerTx is set for this RB
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* \param activeRbs the list of Active Resource Blocks (PRBs)
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*
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* \return a pointer to a newly allocated SpectrumValue representing the TX Power Spectral
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* Density in W/Hz for each Resource Block
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*/
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static
Ptr<SpectrumValue>
CreateTxPowerSpectralDensity
(
uint32_t
earfcn,
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uint16_t bandwidth,
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double
powerTx,
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std::map<int, double> powerTxMap,
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std::vector<int> activeRbs);
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/**
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* create a spectrum value representing the uplink power spectral
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* density of a signal to be transmitted. See 3GPP TS 36.101 for
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* a definition of most of the parameters described here.
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* This function splits the power over the active RBs instead of
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* the entire bandwidth
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* \param earfcn the carrier frequency (EARFCN) of the transmission
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* \param bandwidth the Transmission Bandwidth Configuration in
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* number of resource blocks
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* \param powerTx the total power in dBm over the whole bandwidth
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* \param activeRbs the list of Active Resource Blocks (PRBs)
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*
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* \return a pointer to a newly allocated SpectrumValue representing the TX Power Spectral
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* Density in W/Hz for each Resource Block
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*/
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static
Ptr<SpectrumValue>
CreateUlTxPowerSpectralDensity
(uint16_t earfcn,
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uint16_t bandwidth,
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double
powerTx,
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std::vector<int> activeRbs);
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/**
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* create a SpectrumValue that models the power spectral density of AWGN
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*
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* \param earfcn the carrier frequency (EARFCN) at which reception
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* is made
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* \param bandwidth the Transmission Bandwidth Configuration in
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* number of resource blocks
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* \param noiseFigure the noise figure in dB w.r.t. a reference temperature of 290K
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*
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* \return a pointer to a newly allocated SpectrumValue representing the noise Power Spectral
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* Density in W/Hz for each Resource Block
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*/
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static
Ptr<SpectrumValue>
CreateNoisePowerSpectralDensity
(
uint32_t
earfcn,
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uint16_t bandwidth,
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double
noiseFigure);
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/**
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* create a SpectrumValue that models the power spectral density of AWGN
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*
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* \param noiseFigure the noise figure in dB w.r.t. a reference temperature of 290K
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* \param spectrumModel the SpectrumModel instance to be used
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*
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* \return a pointer to a newly allocated SpectrumValue representing the noise Power Spectral
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* Density in W/Hz for each Resource Block
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*/
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static
Ptr<SpectrumValue>
CreateNoisePowerSpectralDensity
(
double
noiseFigure,
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Ptr<SpectrumModel>
spectrumModel);
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};
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}
// namespace ns3
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#endif
/* LTE_SPECTRUM_VALUE_HELPER_H */
ns3::LteSpectrumValueHelper
This class defines all functions to create spectrum model for lte.
Definition
lte-spectrum-value-helper.h:26
ns3::LteSpectrumValueHelper::CreateUlTxPowerSpectralDensity
static Ptr< SpectrumValue > CreateUlTxPowerSpectralDensity(uint16_t earfcn, uint16_t bandwidth, double powerTx, std::vector< int > activeRbs)
create a spectrum value representing the uplink power spectral density of a signal to be transmitted.
Definition
lte-spectrum-value-helper.cc:342
ns3::LteSpectrumValueHelper::CreateNoisePowerSpectralDensity
static Ptr< SpectrumValue > CreateNoisePowerSpectralDensity(uint32_t earfcn, uint16_t bandwidth, double noiseFigure)
create a SpectrumValue that models the power spectral density of AWGN
Definition
lte-spectrum-value-helper.cc:369
ns3::LteSpectrumValueHelper::CreateTxPowerSpectralDensity
static Ptr< SpectrumValue > CreateTxPowerSpectralDensity(uint32_t earfcn, uint16_t bandwidth, double powerTx, std::vector< int > activeRbs)
create a spectrum value representing the power spectral density of a signal to be transmitted.
Definition
lte-spectrum-value-helper.cc:274
ns3::LteSpectrumValueHelper::GetUplinkCarrierBand
static uint16_t GetUplinkCarrierBand(uint32_t nUl)
Converts uplink EARFCN to corresponding LTE frequency band number.
Definition
lte-spectrum-value-helper.cc:138
ns3::LteSpectrumValueHelper::GetDownlinkCarrierBand
static uint16_t GetDownlinkCarrierBand(uint32_t nDl)
Converts downlink EARFCN to corresponding LTE frequency band number.
Definition
lte-spectrum-value-helper.cc:122
ns3::LteSpectrumValueHelper::GetChannelBandwidth
static double GetChannelBandwidth(uint16_t txBandwidthConf)
Definition
lte-spectrum-value-helper.cc:180
ns3::LteSpectrumValueHelper::GetUplinkCarrierFrequency
static double GetUplinkCarrierFrequency(uint32_t earfcn)
Calculates the uplink carrier frequency from the E-UTRA Absolute Radio Frequency Channel Number (EARF...
Definition
lte-spectrum-value-helper.cc:167
ns3::LteSpectrumValueHelper::GetCarrierFrequency
static double GetCarrierFrequency(uint32_t earfcn)
Calculates the carrier frequency from the E-UTRA Absolute Radio Frequency Channel Number (EARFCN) acc...
Definition
lte-spectrum-value-helper.cc:106
ns3::LteSpectrumValueHelper::GetSpectrumModel
static Ptr< SpectrumModel > GetSpectrumModel(uint32_t earfcn, uint16_t bandwidth)
Definition
lte-spectrum-value-helper.cc:239
ns3::LteSpectrumValueHelper::GetDownlinkCarrierFrequency
static double GetDownlinkCarrierFrequency(uint32_t earfcn)
Calculates the downlink carrier frequency from the E-UTRA Absolute Radio Frequency Channel Number (EA...
Definition
lte-spectrum-value-helper.cc:154
ns3::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition
mpi-test-fixtures.h:37
uint32_t
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
src
lte
model
lte-spectrum-value-helper.h
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