Package com.irurueta.navigation.indoor.position

Class NonLinearRssiPositionEstimator2D

java.lang.Object

com.irurueta.navigation.indoor.position.PositionEstimator<com.irurueta.geometry.Point2D,RssiReading<? extends RadioSource>,RssiPositionEstimatorListener<com.irurueta.geometry.Point2D>>

com.irurueta.navigation.indoor.position.RssiPositionEstimator<com.irurueta.geometry.Point2D>

com.irurueta.navigation.indoor.position.NonLinearRssiPositionEstimator<com.irurueta.geometry.Point2D>

com.irurueta.navigation.indoor.position.NonLinearRssiPositionEstimator2D

public class NonLinearRssiPositionEstimator2D
extends NonLinearRssiPositionEstimator<com.irurueta.geometry.Point2D>

Estimates 2D position non-linearly using located radio sources and their RSSI readings at unknown locations. These kind of estimators can be used to determine the position of a given device by getting RSSI readings at an unknown location of different radio sources whose locations are known.

Field Summary

Fields inherited from class com.irurueta.navigation.indoor.position.NonLinearRssiPositionEstimator

FALLBACK_DISTANCE_STANDARD_DEVIATION, laterationSolverListener, trilaterationSolver

Fields inherited from class com.irurueta.navigation.indoor.position.PositionEstimator

estimatedPositionCoordinates, fingerprint, listener, sources

Constructor Summary

Constructors

Constructor	Description
NonLinearRssiPositionEstimator2D()	Constructor.
NonLinearRssiPositionEstimator2D(com.irurueta.geometry.Point2D initialPosition)	Constructor.
NonLinearRssiPositionEstimator2D(com.irurueta.geometry.Point2D initialPosition, RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)	Constructor.
NonLinearRssiPositionEstimator2D(Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint)	Constructor.
NonLinearRssiPositionEstimator2D(Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint, com.irurueta.geometry.Point2D initialPosition)	Constructor.
NonLinearRssiPositionEstimator2D(Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint, com.irurueta.geometry.Point2D initialPosition, RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)	Constructor.
NonLinearRssiPositionEstimator2D(Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint, RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)	Constructor.
NonLinearRssiPositionEstimator2D(RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)	Constructor.
NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources)	Constructor.
NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources, com.irurueta.geometry.Point2D initialPosition)	Constructor.
NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources, com.irurueta.geometry.Point2D initialPosition, RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)	Constructor.
NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources, Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint)	Constructor.
NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources, Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint, com.irurueta.geometry.Point2D initialPosition)	Constructor.
NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources, Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint, com.irurueta.geometry.Point2D initialPosition, RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)	Constructor.
NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources, Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint, RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)	Constructor.
NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources, RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)	Constructor.

Method Summary

Modifier and Type	Method	Description
com.irurueta.geometry.Point2D	getEstimatedPosition()	Gets estimated position.
private void	initialize()	Initializes lateration solver.
protected void	setPositionsDistancesAndDistanceStandardDeviations(List<com.irurueta.geometry.Point2D> positions, List<Double> distances, List<Double> distanceStandardDeviations)	Sets positions, distances and standard deviations of distances on internal lateration solver.

Methods inherited from class com.irurueta.navigation.indoor.position.NonLinearRssiPositionEstimator

estimate, getCovariance, getDistances, getDistanceStandardDeviations, getFallbackDistanceStandardDeviation, getInitialPosition, getMinRequiredSources, getPositions, internalSetFingerprint, internalSetSources, isLocked, isRadioSourcePositionCovarianceUsed, isReady, setFallbackDistanceStandardDeviation, setInitialPosition, setRadioSourcePositionCovarianceUsed

Methods inherited from class com.irurueta.navigation.indoor.position.PositionEstimator

getEstimatedPosition, getEstimatedPositionCoordinates, getFingerprint, getListener, getSources, setFingerprint, setListener, setSources

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D()

Constructor.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources)

Constructor.

Parameters:

sources - located radio sources used for lateration.

Throws:

IllegalArgumentException - if provided sources is null or the number of provided sources is less than the required minimum.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint)

Constructor.

Parameters:

fingerprint - fingerprint containing RSSI readings at an unknown location for provided located radio sources.

Throws:

IllegalArgumentException - if provided fingerprint is null.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources,
 Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint)

Constructor.

Parameters:

sources - located radio sources used for lateration.

fingerprint - fingerprint containing readings at an unknown location for provided located radio sources.

Throws:

IllegalArgumentException - if either provided sources or fingerprint is null or the number of provided sources is less than the required minimum.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)

Constructor.

Parameters:

listener - listener in charge of handling events.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources,
 RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)

Constructor.

Parameters:

sources - located radio sources used for lateration.

listener - listener in charge of handling events.

Throws:

IllegalArgumentException - if provided sources is null or the number of provided sources is less than the required minimum.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint,
 RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)

Constructor.

Parameters:

fingerprint - fingerprint containing readings at an unknown location for provided located radio sources.

listener - listener in charge of handling events.

Throws:

IllegalArgumentException - if provided fingerprint is null.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources,
 Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint,
 RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)

Constructor.

Parameters:

sources - located radio sources used for lateration.

fingerprint - fingerprint containing readings at an unknown location for provided located radio sources.

listener - listener in charge of handling events.

Throws:

IllegalArgumentException - if either provided sources or fingerprint is null or the number of provided sources is less than the required minimum.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(com.irurueta.geometry.Point2D initialPosition)

Constructor.

Parameters:

initialPosition - initial position to start position estimation.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources,
 com.irurueta.geometry.Point2D initialPosition)

Constructor.

Parameters:

sources - located radio sources used for lateration.

initialPosition - initial position to start position estimation.

Throws:

IllegalArgumentException - if provided sources is null or the number of provided sources is less than the required minimum.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint,
 com.irurueta.geometry.Point2D initialPosition)

Constructor.

Parameters:

fingerprint - fingerprint containing RSSI readings at an unknown location for provided located radio sources.

initialPosition - initial position to start position estimation.

Throws:

IllegalArgumentException - if provided fingerprint is null.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources,
 Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint,
 com.irurueta.geometry.Point2D initialPosition)

Constructor.

Parameters:

sources - located radio sources used for lateration.

fingerprint - fingerprint containing readings at an unknown location for provided located radio sources.

initialPosition - initial position to start position estimation.

Throws:

IllegalArgumentException - if either provided sources or fingerprint is null or the number of provided sources is less than the required minimum.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(com.irurueta.geometry.Point2D initialPosition,
 RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)

Constructor.

Parameters:

initialPosition - initial position to start position estimation.

listener - listener in charge of handling events.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources,
 com.irurueta.geometry.Point2D initialPosition,
 RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)

Constructor.

Parameters:

sources - located radio sources used for lateration.

initialPosition - initial position to start position estimation.

listener - listener in charge of handling events.

Throws:

IllegalArgumentException - if provided sources is null or the number of provided sources is less than the required minimum.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint,
 com.irurueta.geometry.Point2D initialPosition,
 RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)

Constructor.

Parameters:

fingerprint - fingerprint containing readings at an unknown location for provided located radio sources.

initialPosition - initial position to start position estimation.

listener - listener in charge of handling events.

Throws:

IllegalArgumentException - if provided fingerprint is null.

NonLinearRssiPositionEstimator2D

public NonLinearRssiPositionEstimator2D(List<? extends RadioSourceLocated<com.irurueta.geometry.Point2D>> sources,
 Fingerprint<? extends RadioSource,? extends RssiReading<? extends RadioSource>> fingerprint,
 com.irurueta.geometry.Point2D initialPosition,
 RssiPositionEstimatorListener<com.irurueta.geometry.Point2D> listener)

Constructor.

Parameters:

sources - located radio sources used for lateration.

fingerprint - fingerprint containing readings at an unknown location for provided located radio sources.

initialPosition - initial position to start position estimation.

listener - listener in charge of handling events.

Throws:

IllegalArgumentException - if either provided sources or fingerprint is null or the number of provided sources is less than the required minimum.

Method Details

getEstimatedPosition

public com.irurueta.geometry.Point2D getEstimatedPosition()

Gets estimated position.

Specified by:

getEstimatedPosition in class PositionEstimator<com.irurueta.geometry.Point2D,RssiReading<? extends RadioSource>,RssiPositionEstimatorListener<com.irurueta.geometry.Point2D>>

Returns:

estimated position.

setPositionsDistancesAndDistanceStandardDeviations

protected void setPositionsDistancesAndDistanceStandardDeviations(List<com.irurueta.geometry.Point2D> positions,
 List<Double> distances,
 List<Double> distanceStandardDeviations)

Sets positions, distances and standard deviations of distances on internal lateration solver.

Specified by:

setPositionsDistancesAndDistanceStandardDeviations in class NonLinearRssiPositionEstimator<com.irurueta.geometry.Point2D>

Parameters:

positions - positions to be set.

distances - distances to be set.

distanceStandardDeviations - standard deviations of distances to be set.

initialize

private void initialize()

Initializes lateration solver.