Patent application number | Description | Published |
20100093368 | Device and Method for Localizing Terminal Devices - When localizing terminal devices an updating measure of reference ambient information allocated to surroundings of the terminal device is executed when a deviation of ambient information determined by means of the terminal device from reference ambient information allocated to a position of the terminal device is detected. | 04-15-2010 |
20100097269 | CONCEPT FOR LOCALIZING A POSITION ON A PATH - An apparatus for localizing a position on a path, radio signals of fixedly positioned radio transmitters being receivable along the path, the apparatus including a determiner for determining properties of the radio signals of the fixedly positioned radio transmitters at the position, and a comparator for comparing the determined electromagnetic properties with previously recorded properties which characterize a reference path, and for determining a relation between the position and the reference path on the basis of a result of the comparison. | 04-22-2010 |
20100278079 | APPARATUS AND METHOD FOR DETERMINING A COINCIDENCE OF A POSITION WITH A REFERENCE POSITION - An apparatus for determining a coincidence of a position with a reference position, wherein radio signals from fixedly positioned radio transmitters can be received at the position, having a provider for providing properties of the radio signals of the fixedly positioned radio transmitters at the position, wherein the provided properties of the radio signals include transmitter identifications identifying the radio transmitters, a separator for separating the radio transmitters into a first number of radio transmitters previously recorded transmitter identifications of which at the reference position are identical with transmitter identifications provided at the position, and into a second number of radio transmitters previously recorded transmitter identifications of which at the reference position and transmitter identifications provided at the position are different, and a determiner for determining a measure of matching for the position on the basis of the provided properties of the radio signals, wherein both properties of the first number of radio transmitters and properties of the second number of radio transmitters are taken into account in the determination of a measure of matching, and wherein the properties of the first number of radio transmitters and the properties of the second number of radio transmitters enter the measure of matching differently. | 11-04-2010 |
20100305851 | DEVICE AND METHOD FOR UPDATING CARTOGRAPHIC DATA - A device for updating cartographic data for a predetermined region, having a collector for collecting location information of a path covered in the predetermined region, an overlayer for overlaying the collected location information with the cartographic data for the predetermined region, a determiner for determining portions contradictory or missing in the cartographic data for the predetermined region on the basis of the overlaid collected location information, and an updater for updating the cartographic data in the missing or contradictory portions on the basis of the overlaid collected location information. | 12-02-2010 |
20110153632 | APPARATUS AND METHOD FOR ALLOCATING A CURRENT MEASUREMENT VALUE FOR A GEOGRAPHICAL POSITION TO A MAP OBJECT - An apparatus for allocating a current measurement value for a geographical position to a map object of a geographical map, wherein the current measurement value originates from a series of adjacent measurement values for adjacent geographical positions, having a processor for determining a first probability measure indicating whether the current measurement value can be allocated to a first map object to which at least one adjacent measurement value of the series has already been allocated previously, and for determining a second probability measure indicating whether the current measurement value can be allocated to a second map object having an intersection with the first map object, if the first probability measure indicates that an allocation of the current measurement value to the first map object is unlikely. | 06-23-2011 |
20110316748 | Device and Method for Estimating an Orientation of a Mobile Terminal Device - A device for estimating a current orientation of a mobile terminal device at a current geographical position, wherein, at the current geographical position, a current measurement package may be determined which has a transmitter identification and an electromagnetic signal characteristic of a radio transmitter which may be received at the current geographical position with the current orientation of the mobile terminal device at a current measurement time, with a determiner for determining an accordance measure between the current measurement package and a reference measurement package, which has a transmitter identification, a reference orientation and an electromagnetic signal characteristic of a reference radio transmitter which was receivable at a geographical reference position allocated to the reference measurement package with the reference orientation at a reference time lying before the current measurement time, a selector for selecting at least one reference measurement package which has an accordance measure, and a determiner for determining an estimate for the current orientation of the mobile terminal device based on the reference orientation of the at least one selected reference measurement package. | 12-29-2011 |
20120286999 | APPARATUS AND METHOD FOR DETERMINING A CORRESPONDENCE OF A POSITION WITH A REFERENCE POSITION - An apparatus for determining a correspondence of a position with a reference position, wherein radio signals of stationary radio transmitters are receivable at the position, having a determiner for determining an identification of a certain radio transmitter and for determining a signal characteristic of a radio signal of the certain radio transmitter at a first time t | 11-15-2012 |
20130289916 | APPARATUS AND METHOD FOR CALIBRATING A RADIO POSITIONING BASED POSITION FINDING DEVICE - Described is an apparatus for calibrating a position finding device, having a comparer for comparing a received radio signal pattern to a multitude of reference radio signal patterns, a determiner for determining a signal strength difference, and a determiner for determining a calibration value. The comparer for comparing is configured to select a selection subset from the multitude of reference radio signal patterns by means of a measure of matching between the received radio signal pattern and one reference radio signal pattern, respectively. Determination of the calibration value is based on the signal strength difference, and the determiner for determining the calibration value is further configured to provide the calibration value to the position finding device. Also described are a position finding device for radio-based localization, having such an apparatus for calibrating, a method of calibrating a position finding device based on radio-based localization, and a computer program for performing the method are described. | 10-31-2013 |
20130342400 | CONCEPT OF GENERATING EXPERIENCE MESSAGES FOR UPDATING A REFERENCE DATABASE - At a current position, a measurement packet is determined by a mobile terminal device at a measurement time. The measurement packet includes transmitter identifications of radio transmitters receivable at the current position of the mobile terminal device at the measurement time. By means of reference measurement packets provided to the mobile terminal device, the mobile terminal device itself can determine its current position. Additionally, a deviation of the determined transmitter identifications of the measurement packet from reference transmitter identifications of the reference measurement packets is determined. If a deviation of the reference transmitter identifications from the transmitter identifications determined at the current position is detected, experience messages can be generated that can again result in an update measure as, for example, updating the reference database by adding new transmitter identifications to the reference database and/or removing obsolete reference transmitter identifications from the reference database. | 12-26-2013 |