Abstract: Techniques are provided in which a mobile station may determine a first round-trip time (RTT) for a first measurement related communication between the transceiver and a first network device, wherein the first RTT comprises a uniform delay of time applied during the first measurement related communication by the first network device; Determine a second RTT for a second measurement related communication between the transceiver and a second network device, wherein the second RTT comprises the uniform delay of time applied during the second measurement related communication by the second network device; and determine, at least in part, a position of the mobile station with regard to at least the first and second network devices based, at least in part, on the first RTT and the second RTT.

Abstract: Systems and methods are provided herein for assistance data generation based on raster images, such as raster images of floor plans. A method provided herein for generating positioning assistance data includes obtaining a first raster image including a floor plan of an area; obtaining geographic reference information corresponding to the area, the geographic reference information including a location of the area; extracting structural features of the area from the floor plan of the area via the first raster image; and generating assistance data for the area based on the extracted structural features and the geographic reference information.

Abstract: Techniques for determining a position of a mobile device in an indoor environment are provided. An example method includes receiving a request for the position of the mobile device within the indoor environment from an application running on the mobile device, estimating the position of the mobile device within the indoor environment based on signals received from a plurality of wireless access points responsive to receiving the request for the position of the mobile device, identifying an ambiguity in estimating the position of the mobile device, identifying disambiguation information for resolving the ambiguity in the position, requesting disambiguation information for resolving the ambiguity associated with the position, receiving the disambiguation information for resolving the ambiguity associated with the position; resolving the ambiguity in estimating the position using the disambiguation information; and determining the position of the mobile device in the indoor environment.

Abstract: Techniques for providing improved navigation through an indoor environment using a mobile device are provided. A method according to these techniques includes accessing a 2D map of the indoor environment, accessing customization information comprising one or more attributes to be applied to a 3D model of the indoor environment derived from the 2D map, analyzing the 2D map to extract geometry information associated with the layout of the indoor environment, generating the 3D model based on the geometry extracted from the 2D map and the customization information, generating a 3D representation of a current location of the mobile device within the indoor environment based on the 3D model; and displaying the 3D representation on a display of the mobile device.

Abstract: Disclosed are systems, apparatus, devices, methods, computer program products, computer media, and other implementations, including a method that includes communicating data representative of one or more location-based restrictions corresponding to a venue area to a mobile device determined to be located within the venue area, and controlling, by at least one venue server, use at the mobile device of services available at the venue area from one or more nodes associated with the venue area based, at least in part, on a determination, by the at least one venue server, of whether the mobile device complies with the location-based restrictions corresponding to the venue area.

Abstract: The subject matter disclosed herein relates to a method comprising displaying in a camera view of a mobile device a captured image of one or more items listed in a menu of items available for selection at a point of interest identifiable, at least in part, by a location. A method may further include transmitting a message comprising parsed text of the one or more items and information representative of the location, and receiving, in response to the transmission of the message, annotations to be displayed in the camera view.

Abstract: Methods, systems, computer-readable media, and apparatuses for detection of anomalies within indoor map information are presented. In some embodiments, the method includes receiving a digital map. The method may further include identifying one or more anomalies within the digital map using a software-based anomaly detection tool. The method may also include displaying one or more suggested corrections to a user based on the one or more identified anomalies. The method may additionally include correcting the one or more identified anomalies within the digital map.

Abstract: Techniques are provided for adaptively sampling orientation sensors in positioning systems based on location (e.g., map) data. Embodiments can enable a device to use location, direction, and/or location information to anticipate an expected change in motion. The embodiments can then identify and prioritize a number of sampling strategies to alter sampling rates of orientation sensors, and implement at least one strategy, based on priority.

Abstract: Examples disclosed herein may relate to identifying up to a specified amount of points of interest nearest to an estimated position of a mobile station on a first map, selecting a second map identified by a first location context identifier associated with a first point of interest of the identified points of interest, and determining a route from the estimated position of the mobile station to a destination point using the first map and the second map.

Abstract: The subject matter disclosed herein relates to a system and method for determining annotations for a map. Location information for mobile devices and contextual information associated with users of mobile devices may be utilized to determine such annotations.

Abstract: Various methods, apparatuses and/or articles of manufacture are provided which may be implemented by one or more electronic devices to identify potential anomalies in one or more electronic files used to support mobile device positioning within a specific environment. Various methods, apparatuses and/or articles of manufacture are also provided which may be implemented by one or more electronic devices to alter one or more electronic files used to support mobile device positioning within a specific environment.

Abstract: Various methods, apparatuses and articles of manufacture are provided which may be implemented in various devices for use in characterizing environments. In an example, a mobile device may, gather a plurality of measurements during a period of time, including one or more first measurements generated by one or more environmental sensors, and one or more second measurement generated by a radio based, at least in part, on one or more wireless signals received by the radio. In response to a determination that the mobile device is to report a travel history corresponding to at least a portion of the period of time, the mobile device may generate a travel log based, at least in part, on at least one first measurement and at least one second measurement, and transmit the travel log to an external device.

Abstract: Method, mobile device, computer program product, and apparatus for performing Fine Grain Position Data Collection are described. In one embodiment, a server can receive position data collected by a mobile device with a first positioning configuration. In one embodiment, the server can determine, from the position data received at the server, a mobile device position and create a second positioning configuration according to at least the mobile device position. In one embodiment, the server can send the second positioning configuration to the mobile device. In one embodiment, a mobile device can collect position data according to a first positioning configuration and send the position data to a server. In one embodiment, the mobile device can receive a second positioning configuration from the server created according to at least the mobile device position.

Abstract: The subject matter disclosed herein relates to systems, methods, etc. for creating a routing graph based at least partly on building information, which may include relatively low-detail schematics. For certain example implementations, a method may include obtaining building information descriptive of at least a portion of a building structure and superimposing a grid of points onto the building information. The building information may be analyzed using the superimposed grid of points by projecting multiple rays from multiple points of the superimposed grid of points. At least one routing graph may be created responsive to the analyzing and based at least in part on the superimposed grid of points and the building information. Other example implementations are described herein.

Abstract: Method, device, and computer program product, for augmenting metadata for a mapped location is described. Mapped location trajectory data for each of a plurality of mobile devices is received. Purchase transaction data for the respective mobile device at the mapped location is received from each of the respective mobile devices. The purchase transaction data is correlated with the mapped location trajectory data to determine a purchased product location within the mapped location. The metadata for the mapped location is augmented to include the purchased product location.

Abstract: Methods and apparatuses are presented for generating and updating heat maps for terrestrial wireless transceivers located in an area or venue. According to some embodiments, a method may include obtaining, by a mobile device, first signal data for a terrestrial transceiver and generating, by the mobile device, a transceiver heat map using the first signal data. The method may further include displaying, by the mobile device, a request to gather additional signal data for the terrestrial transceiver and obtaining, by the mobile device, second signal data for the terrestrial transceiver. The method may further include generating, by the mobile device, an updated transceiver heat map using the second signal data and displaying, by the mobile device, the updated transceiver heat map.

Abstract: Methods and apparatuses of providing assistance data of a venue to a mobile device are disclosed. According to aspects of the present disclosure, for the same area, multiple or different versions of assistance data may be generated. Restrictions may be applied by access area, such that positioning grid, heat maps, and maps can be restricted to certain sections of the venue; and point of interests (POIs) and search features may be provided based on at least one of user credentials, time-based restrictions, ticket-based restrictions, or loyalty-based restrictions, or any combination thereof.

Abstract: Disclosed are systems, apparatus, devices, method, computer program products, and other implementations, including a method that includes capturing an image of a scene by an image capturing unit of a device that includes at least one sensor, determining relative device orientation of the device based, at least in part, on determined location of at least one vanishing point in the captured image of the scene, and performing one or more calibration operations for the at least one sensor based, at least in part, on the determined relative device orientation.

Abstract: An appliance facilitates localization of a station (STA) in a network, for example, a short-range wireless network. An automatic response to a request for a measurement related communication is provided. The appliance can include a radio frequency (RF) interface and a media access control (MAC) section. The MAC section can receive the request and generate the automatic response immediately after a uniform period that is uniform among any such appliance within the network. The appliance performs only the generation of the automatic response, though the response can include additional information such as (x, y) coordinates of the appliance.

Abstract: The subject matter disclosed herein relates to systems, methods, etc. for creating a routing graph based at least partly on building information. For certain example implementations, a method includes obtaining building information descriptive of at least a portion of a building structure. A grid of points may be superimposed onto the building information. At least one routing graph may be created based at least in part on the superimposed grid of points and the building information. Other example implementations are also described.