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
coordinateSystemModule	string	""	module path of the geographic coordinate system module
visualizeMobility	bool	true	false means this mobility module does no visualization
visualRepresentation	string	"^"	determines the module that is moved by this mobility
constraintAreaMinX	double	-1m/0	min x position of the constraint area, unconstrained by default (negative infinity)
constraintAreaMinY	double	-1m/0	min y position of the constraint area, unconstrained by default (negative infinity)
constraintAreaMinZ	double	-1m/0	min z position of the constraint area, unconstrained by default (negative infinity)
constraintAreaMaxX	double	1m/0	max x position of the constraint area, unconstrained by default (positive infinity)
constraintAreaMaxY	double	1m/0	max y position of the constraint area, unconstrained by default (positive infinity)
constraintAreaMaxZ	double	1m/0	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
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
speed	double	0mps	speed of the host
angle	double	uniform(0deg, 360deg)	angle of linear motion
acceleration	double	0	acceleration of linear motion (m/s2)

Properties

Name	Value	Description
display	i=block/cogwheel
class	LinearMobility

Signals

Name	Type	Unit
mobilityStateChanged	inet::MobilityBase

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);
        double speed @unit(mps) = default(0mps); // speed of the host
        double angle @unit(deg) = default(uniform(0deg, 360deg)); // angle of linear motion
        double acceleration = default(0); // acceleration of linear motion (m/s2)
        @class(LinearMobility);
}

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