NRChannelModel

simple module

This channel model implements path loss, LOS probability, and shadowing according to the following specifications: 3GPP TR 36.873, "Study on 3D channel model for LTE", v12.7.0, December 2017

Inheritance diagram

The following diagram shows inheritance relationships for this type. Unresolved types are missing from the diagram.

Known subclasses

Name	Type	Description
NRChannelModel_3GPP38_901	simple module	NRChannelModel_3GPP38_901

Extends

Name	Type	Description
LteRealisticChannelModel	simple module	This module implements the functions for a model representing the 2D channel in the LTE specification 3GPP TR 36.803. It includes the computation of:

Parameters

Name	Type	Default value	Description
binderModule	string	"binder"
cellInfoModule	string	"^.^.cellInfo"	optional
componentCarrierModule	string	"carrierAggregation.componentCarrier[0]"	component carrier for this channel model
shadowing	bool	true	Enable/disable shadowing
scenario	string	"URBAN_MACROCELL"	Pathloss scenario from ITU -->
nodeb_height	double	25m	eNodeB height -->
building_height	double	20m	Building height -->
inside_building	bool	false	determines if the UE is inside a building
street_wide	double	20m
ue_height	double	1.5m
tolerateMaxDistViolation	bool	false
useTorus	bool	false
correlation_distance	double	50m
targetBler	double	0.01	Target bler used to compute feedback -->
harqReduction	double	0.2	HARQ reduction -->
lambdaMinTh	double	0.02	Rank indicator tracefile -->
lambdaMaxTh	double	0.2
lambdaRatioTh	double	20
antennaGainUe	double	0dBi	Antenna Gain of UE -->
antennGainEnB	double	18dBi	Antenna Gain of eNodeB -->
antennGainMicro	double	5dBi	Antenna Gain of Micro node -->
thermalNoise	double	-104.5dBm	Thermal Noise for 10 MHz of Bandwidth -->
ue_noise_figure	double	7dBm	Ue noise figure -->
bs_noise_figure	double	5dBm	eNodeB noise figure -->
cable_loss	double	2dB	Cable Loss -->
dynamic_los	bool	false	If true enable the possibility to switch dinamically the LOS/NLOS pathloss computation -->
fixed_los	bool	false	If dynamic-los is false this parameter, if true, compute LOS pathloss otherwise compute NLOS pathloss -->
fading	bool	true	Enable/disable fading -->
fading_type	string	"JAKES"	Fading type (JAKES or RAYGHLEY) -->
fading_paths	int	6	If jakes fading this parameter specify the number of path (tap channel) -->
delay_rms	double	363ns
bgCell_interference	bool	true	if true, enables the inter-cell interference computation for UL and DL connections from background cells -->
extCell_interference	bool	true	if true, enables the inter-cell interference computation for DL connections from external cells (maybe this is obsolete and should be removed) -->
downlink_interference	bool	false	if true, enables the inter-cell interference computation for DL connections -->
uplink_interference	bool	false	if true, enables the interference computation for UL connections -->
d2d_interference	bool	true	if true, enables the interference computation for D2D connections -->
enable_extCell_los	bool	true
collectSinrStatistics	bool	true	collection of SINR statistics can be disabled because it might be quite time-consuming

Properties

Name	Value	Description
display	i=block/classifier2
class	NRChannelModel

Signals

Name	Type	Unit	Description
measuredSinrDl
rcvdSinrUl
rcvdSinrDl			statistics
rcvdSinrD2D
measuredSinrUl

Statistics

Name	Title	Source	Record	Unit
measuredSinrDl	SINR measured at feedback computation, DL	measuredSinrDl	mean, vector	dB
rcvdSinrUl	SINR measured at packet reception, UL	rcvdSinrUl	mean, vector	dB
rcvdSinrDl	SINR measured at packet reception, DL	rcvdSinrDl	mean, vector	dB
rcvdSinrD2D	SINR measured at packet reception, D2D	rcvdSinrD2D	mean, vector	dB
measuredSinrUl	SINR measured at feedback computation, UL	measuredSinrUl	mean, vector	dB

Source code

//
// This channel model implements path loss, LOS probability, and shadowing according to
// the following specifications:
//     3GPP TR 36.873, "Study on 3D channel model for LTE", v12.7.0, December 2017
//
simple NRChannelModel extends LteRealisticChannelModel
{
    parameters:
        @class("NRChannelModel");
}

File: src/stack/phy/ChannelModel/NRChannelModel.ned