Abstract: A system correlates tracked changes in altitude, which are based on data provided by a barometer or a pressure altimeter of a mobile device while a user of the mobile device moves around in a multi-story building, with changes of floors indicated via a user interface of the mobile device. Heights of floors of the building are determined based on the correlation. The determined heights of floors may then be stored for future use.

Abstract: A positioning support device holds available stored data which enables a determination of characteristics of radio signals transmitted by the positioning support device, wherein the characteristics of radio signals are expected to be observable at different locations. The positioning support device automatically and repeatedly transmits the stored data. Mobile devices may receive the data to estimate their position based on the data and based on measurements on radio signals received at their current location. The positioning support device may be caused by some other apparatus to store the data that is transmitted by the positioning support device. The data may be obtained based on characteristics of radio signals observed by at least one mobile device at each of a plurality of measurement locations.

Abstract: It is disclosed a method including obtaining, via a user interface, information being associated with a location of a map, the location of the map being considered to be associated with a problem.

Abstract: A method, apparatus, and computer program product are provided for generating an indoor map of an area. The method includes receiving location information from a positioning system configured to determine the position of one or more components within the area. The method also includes generating an overview map defining one or more boundaries of the area. The method further includes receiving map creation information from a map creation asset configured to designate at least a subset of the area as a specific type of room. The method still further includes generating the indoor map of the area based on the overview map and the map creation information. The method further includes receiving room configuration information based on a prompt. The method still further includes updating the indoor map of the area based on the room configuration information. Corresponding apparatus and computer program product are provided.

Abstract: A method, apparatus, computer readable storage medium and system are disclosed for generating a radio map for indoor navigation and/or floor detection. The method includes obtaining one or more first fingerprints, which stem from one or more radio nodes comprised by an infrastructure of a venue. The one or more radio nodes are surrounding the first apparatus so that the first apparatus is located within each respective coverage area of the one or more radio nodes. The method also includes generating a radio map based at least partially on the one or more first fingerprints; and outputting the generated radio map.

Abstract: Results of measurements by a mobile device on radio signals transmitted by at least one transmitter are obtained. The results of measurements comprise characteristics of the radio signals at each of a plurality of locations of measurements at a particular site, and indications of the locations of measurement. The results of measurement and the indications of the locations are provided and used as a basis for a generation of a radio map for use in supporting a positioning of mobile devices at the site. In addition, a user input to the mobile device is detected, the user input defining a localization area at the site that is to be covered by the radio map. A representation of the defined localization area is provided in addition for use in connection with the radio map.

Abstract: An apparatus obtains results of measurements, which are performed by a mobile device on signals of communication nodes. The measurement results for each of the communication nodes include a signal strength related value and an identification of the communication node. The apparatus obtains for one of the communication nodes a stored indication of a location and a stored signal strength related value and determines a difference between measured and stored signal strength related values. The apparatus estimates the position of the mobile device based on the results of measurements and on obtained stored radio model data. In the case that the determined difference for the at least one communication node falls short of a predetermined threshold, the apparatus determines a distance between estimated position and indicated location for the at least one communication node, as an indication of a health state of stored radio model data.

Abstract: A positioning support device transmits radio signals using at least one default configuration parameter value. A mobile device measures characteristics of the signals at different locations. An apparatus assembles, based on the measured characteristics and indications of the locations of measurement, data which enables a determination of characteristics of radio signals transmitted by the positioning support device, which are expected to be observable at different locations. The apparatus determines in addition at least one adapted configuration parameter value and causes the positioning support device to store the assembled data for future transmissions and to use the at least one adapted configuration parameter value for future transmissions. As a result, the positioning support device transmits radio signals including the stored data using the at least one adapted configuration parameter value.

Abstract: A method, apparatus and system are provided for determining displacement information for a radio node. In a method respective position information is obtained that is indicative of a position of a respective radio node. The method determines the position of the respective radio node based on respective radio measurements of further respective radio nodes surrounding the respective radio node and on further respective radio measurements gathered by the respective radio node. The respective signals are sent by the one or more respective radio nodes surrounding the respective radio node. The method also determines displacement information based on the respective position information that is obtained and the determined position of the respective radio node. The displacement information is indicative of a displacement of the respective radio node if the determined position of the respective radio node differs from the position of the respective radio node represented by the obtained position information.

Abstract: A method, electronic device and apparatus are disclosed. The method comprises obtaining a plurality of fingerprints. Each fingerprint is determined by a respective radio node. One or more respective signals are sent by one or more respective radio nodes surrounding the respective radio node. Each fingerprint comprises a respective piece of position information that is indicative of the respective location of the radio node that determined the fingerprint. Each fingerprint further comprises at least one respective piece of identifier information associated with and uniquely identifying the respective one or more radio nodes surrounding the respective radio node. The method also includes generating a radio map based at least on the fingerprints; determining a further radio measurement for a current location of the electronic device; and determining the position of the electronic device based at least on the determined further radio measurement and the generated radio map.

Abstract: A method is disclosed including determining an indicator information indicative of one or more indicators of a current usage of an electronic device, determining a condition information indicative of if the electronic device is rigidly positioned with respect to a user, wherein the condition information is determined based, at least in part, on the determined indicator information. It is further disclosed an according apparatus, computer program and system.

Abstract: An apparatus assembles positioning assistance data using a predetermined version of a set of values of parameters. The positioning assistance data relates to radio signals of a particular positioning support device. The apparatus encrypts the positioning assistance data using an encryption key that is associated with this version and causes the particular positioning support device to transmit the assembled and encrypted data. The positioning support device transmits the data. An apparatus obtains the data, received by a mobile device, and attempts to decrypt the data using at least one encryption key. If the decryption is successful with a particular encryption key, a version of a set of values of parameters may be selected that is associated with the encryption key.

Abstract: An apparatus is provided that determines, based on a geometrical criterion and at least one map object of plurality of map objects, whether a map element of a first map element type or a second map element type shall be created; wherein elements of the first map element type are intended to be usable for applying a constraint to a user position and wherein elements of the second map element type are intended to be less usable for applying a constraint to a user position compared to the elements of the first map element type; and creates a map element according to the determined map element type, the created map element being associated with the at least one map object.

Abstract: The invention relates to determination of a location of a device of a user. In a methods, information of signal strength of one or more wireless signals and information of signal strength distribution of wireless signals is obtained by a device. The information of signal strength and the information of signal strength distribution are used to determine at least one likelihood whether the device is inside an area. In the method radio maps representing signal strength distribution in the building may be used.

Abstract: A method is disclosed including determining an indicator information indicative of one or more indicators of a current usage of an electronic device, determining a condition information indicative of if the electronic device is rigidly positioned with respect to a user, wherein the condition information is determined based, at least in part, on the determined indicator information. It is further disclosed an according apparatus, computer program and system.

Abstract: A method includes obtaining or holding available boundary information representing boundary of an indoor environment for which an indoor radio positioning map is to be updated and/or generated, determining whether a current position of a mobile device is in a vicinity of said indoor environment at least partially based on said boundary information; if it is determined that said current position of said mobile device is in a vicinity of said indoor environment, collecting or triggering collecting radio fingerprint observation reports by said mobile device, wherein said radio fingerprint observation reports are collected for updating and/or generating said indoor radio positioning map. Furthermore, a corresponding apparatus and system are disclosed.

Abstract: An apparatus obtains a set of radio data comprising signal strength related values for radio signals transmitted by a transmitter with an association of each signal strength related value with a representation of a geographical location. The apparatus applies a frequency transform to the obtained set of radio data to obtain transform coefficients, each transform coefficient comprising a transform index and an associated transform value. The apparatus selects a subset of transform indices having more significant transform values than the remaining transform indices and compresses the transform indices by encoding each transform index exploiting a probability of occurrence of an index value of a respective transform index. The same or another apparatus decodes the compressed transform indices again for use in position operations.

Abstract: Results of measurements by a mobile device on radio signals transmitted by at least one transmitter are obtained. The results of measurements comprise characteristics of the radio signals at each of a plurality of locations of measurements at a particular site, and indications of the locations of measurement. The results of measurement and the indications of the locations are provided and used as a basis for a generation of a radio map for use in supporting a positioning of mobile devices at the site. In addition, a user input to the mobile device is detected, the user input defining a localization area at the site that is to be covered by the radio map. A representation of the defined localization area is provided in addition for use in connection with the radio map.

Abstract: An apparatus determines, based on a geometrical criterion and at least one map object of plurality of map objects, whether a map element of a first map element type or a second map element type shall be created. Elements of the first map element type are intended to be usable for applying a constraint to a user position and elements of the second map element type are intended to be less usable for applying a constraint to a user position compared to the elements of the first map element type. The apparatus also creates a map element according to the determined map element type. The created map element is associated with the at least one map object.

Abstract: An apparatus estimates successive headings of a mobile device based on respective results of measurements by the mobile device on radio signal transmitted by a plurality of transmitters to obtain estimated headings (201). It computes a mean heading based on a predetermined number of the estimated headings and computing a standard deviation of the predetermined number of estimated headings (202). It determines whether the mean heading is to be considered valid based on the computed standard deviation of the estimated headings (203). Finally, it provides an indication of the mean heading as an indication of a current heading of the mobile device for use by a specific application only if the mean heading is determined to be considered valid (204).