LinearMobility

simple module

This is a linear mobility model with speed, angle and acceleration parameters. Angle only changes when the mobile node hits a wall: then it reflects off the wall at the same angle.

Author: Emin Ilker Cetinbas

Inheritance diagram

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

Extends

Name	Type	Description
MovingMobilityBase	simple module	Abstract base module for mobility models.

Parameters

Name	Type	Default value	Description
subjectModule	string	"^"	module path which determines the subject module, the motion of which this mobility model describes, the default value is the parent module
coordinateSystemModule	string	""	module path of the geographic coordinate system module
displayStringTextFormat	string	"p: %p\nv: %v"	format string for the mobility module's display string text
updateDisplayString	bool	true	enables continuous update of the subject module's position via modifying its display string
constraintAreaMinX	double	-inf m	min x position of the constraint area, unconstrained by default (negative infinity)
constraintAreaMinY	double	-inf m	min y position of the constraint area, unconstrained by default (negative infinity)
constraintAreaMinZ	double	-inf m	min z position of the constraint area, unconstrained by default (negative infinity)
constraintAreaMaxX	double	inf m	max x position of the constraint area, unconstrained by default (positive infinity)
constraintAreaMaxY	double	inf m	max y position of the constraint area, unconstrained by default (positive infinity)
constraintAreaMaxZ	double	inf m	max z position of the constraint area, unconstrained by default (positive infinity)
updateInterval	double	0.1s	the simulation time interval used to regularly signal mobility state changes and update the display
faceForward	bool	true
initialX	double	uniform(this.constraintAreaMinX, this.constraintAreaMaxX)
initialY	double	uniform(this.constraintAreaMinY, this.constraintAreaMaxY)
initialZ	double	nanToZero(uniform(this.constraintAreaMinZ, this.constraintAreaMaxZ))
initFromDisplayString	bool	true	enables one time initialization from the subject module's display string
speed	double	0mps	speed of the host
initialMovementHeading	double	uniform(0deg, 360deg)
initialMovementElevation	double	0deg

Properties

Name	Value	Description
display	i=block/cogwheel
class	LinearMobility

Signals

Name	Type	Unit
mobilityStateChanged	inet::MobilityBase

Scheduled messages (observed)

msg	kind	ctrl	tags	msgname	context
omnetpp::cMessage	0			move

Direct method calls (observed)

call to	function	info
AttachedMobility	inet::AttachedMobility::receiveSignal	mobilityStateChanged
SuperpositioningMobility	inet::SuperpositioningMobility::receiveSignal	mobilityStateChanged

Source code

//
// This is a linear mobility model with speed, angle and acceleration parameters.
// Angle only changes when the mobile node hits a wall: then it reflects
// off the wall at the same angle.
//
// @author Emin Ilker Cetinbas
//
simple LinearMobility extends MovingMobilityBase
{
    parameters:
        double initialX @unit(m) = default(uniform(this.constraintAreaMinX, this.constraintAreaMaxX));
        double initialY @unit(m) = default(uniform(this.constraintAreaMinY, this.constraintAreaMaxY));
        double initialZ @unit(m) = default(nanToZero(uniform(this.constraintAreaMinZ, this.constraintAreaMaxZ)));
        bool initFromDisplayString = default(true); // enables one time initialization from the subject module's display string
        double speed @unit(mps) = default(0mps); // speed of the host
        double initialMovementHeading @unit(deg) = default(uniform(0deg, 360deg));
        double initialMovementElevation @unit(deg) = default(0deg);
        @class(LinearMobility);
}

File: src/inet/mobility/single/LinearMobility.ned