Patent application number | Description | Published |
20110059752 | Concurrent Wireless Transmitter Mapping And Mobile Station Positioning - The subject matter disclosed herein relates to concurrently estimating locations for one or more mobile stations and one or more wireless transmitters. | 03-10-2011 |
20110306323 | ACQUISITION OF NAVIGATION ASSISTANCE INFORMATION FOR A MOBILE STATION - Navigation assistance information for a mobile station is acquired based on a feature descriptor of an image of a visual beacon captured by the mobile station. The navigation assistance information includes locations of neighboring visual beacons, locations of wireless positioning resources; user environmental context information. The navigation assistance information may then be used to assist in navigating within the local environment. The visual beacon may be an artificial feature, such as a QR code or other type of matrix or bar code or a natural feature, such as a statute or architectural detail. The mobile station may request navigation assistance by transmitting the feature descriptor to a server. The server retrieves the navigation assistance information from a database based on the feature descriptor and optionally location information, which may also be provided in the navigation assistance request, and transmits the navigation assistance information to the mobile station. | 12-15-2011 |
20120169535 | AFFECTING ELECTRONIC DEVICE POSITIONING FUNCTIONS BASED ON MEASURED COMMUNICATION NETWORK SIGNAL PARAMETERS - Techniques are provided which may be implemented in various methods and apparatuses to allow an electronic device to determine when it transitions between certain environments which may be perceived, for example, from observations associated with wireless signals transmitted by a wireless communication network. In response to an environment transition determination, the techniques further allow for one or more positioning functions to be operatively affected in some manner. | 07-05-2012 |
20130035111 | PROVIDING WIRELESS TRANSMITTER ALMANAC INFORMATION TO MOBILE DEVICE BASED ON EXPECTED ROUTE - Examples disclosed herein may relate to determining an expected route of a mobile device based, at least in part, on information generated by a navigation application hosted by the mobile device. Examples disclosed herein may further relate to determining a subset of wireless transmitters from a plurality of wireless transmitters based at least in part on the expected route of the mobile device. | 02-07-2013 |
20130048707 | IDENTIFIER GENERATION FOR VISUAL BEACON - A visual beacon, such as a Quick Response (QR) code or other type of artificial visual beacon is identified based on a coarse position and content information, and optionally, the type of the visual beacon. For example, position may be based on latitude and longitude, e.g., from a satellite positioning system, or the CellID from a cellular network. The content information may be based on a sampling of the content before or after decoding. The content information may alternatively be all of the decoded content or an image of the visual beacon. Thus, for example, a mobile platform may generate a visual beacon identifier using the position and content information, which is transmitted to a navigation assistance server. The server can access and transmit to the mobile platform a navigation assistance message associated with the visual beacon identifier. If no visual beacon identifier is found, the server may enter the information. | 02-28-2013 |
20130267218 | Methods and apparatus for efficient transport and management of a positioning & timing almanac - A method and apparatus for reporting almanac versions and almanac identification by a mobile station to a server is provided. The server compares the almanac version and almanac identification held by the mobile station with almanac versions and almanac identifications held by the server. The server then sends instructions to the mobile station to match the server versions of the almanac versions and almanac identifications for the almanac versions and almanac identifications that the mobile station should hold. | 10-10-2013 |
20140031055 | WIRELESS NETWORK COVERAGE ESTIMATION USING DOWN-SAMPLED CROWD-SOURCED DATA - A method of estimating wireless network coverage includes receiving location data from a plurality of mobile devices located within range of an antenna in a wireless network. The location data is mapped onto a grid of districts and down-sampled for respective districts of the grid. An approximate coverage region of the antenna is calculated based at least in part on the down-sampled location data. | 01-30-2014 |
20140031058 | Wireless Transmitter Identity or Positioning Information Partitioning - Examples disclosed herein may relate to partitioning identity or position information for a plurality of wireless transmitters positioned within a geographical region into a plurality of sub-partitions. | 01-30-2014 |
20140036701 | Mobile Access Point Detection - Methods and devices for detecting mobile access points are disclosed. In one embodiment, a method of detecting mobile access points comprises collecting crowdsourcing data associated with one or more access point devices, quantizing the crowdsourcing data to generate a quantized crowdsourcing data, for each access point device, determining an interfracile range of the access point device using the quantized crowdsourcing data, where the interfracile range is a measure of statistical dispersion of the quantized crowdsourcing data with respect to the access point device, identifying the access point device as a mobile access point device in response to the interfracile range exceeds a first predetermined range. The method of collecting crowdsourcing data comprises collecting the crowdsourcing data within a predetermined sliding time window. | 02-06-2014 |
20140087751 | CYCLIC SHIFT DELAY DETECTION USING SIGNALING - Systems, apparatus and methods for determining a cyclic shift diversity (CSD) mode are presented. Examples communicate the CSD mode in a signaling message. Specifically, a CSD mode is set in an access point the sent to a mobile device. The signaling messages may be either a point-to-point message or a broadcast message. The access point or location server may set the current CSD mode from a plurality of mobile devices by crowd sourcing. For example, the plurality of mobile devices may report what CSD mode was detected. Alternative, the plurality of mobile devices may send a channel impulse response (CIR), or the like, to a location server and the location server may determine what CSD mode is currently used by the access point. | 03-27-2014 |
20140087763 | NON-GEOTAGGED ACCESS POINT POSITIONING - A method for locating a target transceiver in a wireless communication system includes: obtaining at least one scan list indicating a set of transceivers including the target transceiver; identifying, from stored geotagging data, locations of at least some previously located transceivers represented in the at least one scan list that are distinct from the target transceiver; generating a list of neighbor transceivers corresponding to the target transceiver based on the at least one scan list; and calculating an estimated location of the target transceiver using the list of neighbor transceivers and the locations of the previously located transceivers represented in the at least one scan list. | 03-27-2014 |
20140179237 | Adaptive Crowdsourcing Using Mobile Device Generated Parameters - Method and apparatus for performing crowdsourcing are disclosed. The method may include monitoring environment of a mobile device, determining a level of crowdsourcing in accordance with one or more mobile device generated parameters corresponding to the environment, and performing crowdsourcing in accordance with the level of crowdsourcing determined. The level of crowdsourcing comprises one or more of quantity of crowdsourcing data to be collected by the mobile device, frequency of crowdsourcing operations to be performed by the mobile device, and type of quantization to be applied to the crowdsourcing data collected. | 06-26-2014 |
20140179340 | PAIRWISE MEASUREMENTS FOR IMPROVED POSITION DETERMINATION - Approaches for enhancing range-based position determination using pairwise error detection and compensation are provided. One method for enhancing a position estimate of a first node may include performing measurements at the first node using a signal received from a second node, and receiving measurements from the second node. The received measurements may be performed at the second node using a signal provided by the first node. The method may further include determining pairwise comparisons of the performed measurements and the received measurements, and compensating the measurements performed at the first node, based on the pairwise comparisons, for estimating the position of the first node. Systems and apparatuses for performing the various position determination methods are further presented. | 06-26-2014 |
20140185520 | PROCESSING DELAY ESTIMATE BASED ON CROWDSOURCING DATA - Techniques are provided for providing a processing delay estimate of an access point, or turnaround calibration function (TCF), associated with round trip time (RTT) measurements. Mobile devices, access points, and/or other systems can utilize these techniques to derive processing delay from the RTT measurements. Crowdsourcing can also be used to help increase the accuracy of the processing delay estimate, which can be propagated to multiple devices. | 07-03-2014 |
20140194137 | Method and/or system for obtaining signatures for use in navigation - Disclosed are systems, methods and techniques for obtaining round trip time (RTT) measurements from acquisition of signals at one or more mobile devices, the signals being transmitted by one or more transmitters; approximating locations of the one or more mobile devices while obtaining the RTT measurements; and combining the measurements to determine expected RTT signature values at discrete positions in the area based, at least in part, on the obtained RTT measurements and the approximated locations. | 07-10-2014 |
20140194145 | Method, System and/or Device for Adjusting Expected Received Signal Strength Signature Values - Disclosed are systems, methods and devices for application of determining position information for mobile devices. In specific implementations, measurement of a signal travel time and a signal's strength may be combined to characterize a transmission power of the signal's transmitter. The characterized transmission power may be applied to affect expected signal strength signature values for use of the signal's transmitter may be updated in order to enhance a location based service where location may be effected by accuracy of a transmitter's power. | 07-10-2014 |
20140206340 | EFFICIENT GENERATION OF RADIO COVERAGE MAP OF ACCESS POINTS IN AN INDOOR ENVIRONMENT - A method for generating a radio coverage map. A two-dimensional radio coverage map located between a first physical level and a second physical level is generated. The access point is located above the second physical level. The two-dimensional radio coverage map is located at a distance from the access point and comprises a plurality of map points, where the map points have a predicted received signal strength value. A projection window is determined. A projected area on the two-dimensional radio coverage map is determined by computing a geometrical projection from the access point through the projection window onto the two-dimensional radio coverage map. A plurality of first points in a first area on the two-dimensional radio coverage map is identified. The first area is outside the projected area. The predicted received signal strength value of each of the first points is reduced by a value equal to the signal attenuation caused by the second physical level. | 07-24-2014 |
20140206380 | FAST GENERATION OF RADIO COVERAGE MAP OF ACCESS POINTS IN AN INDOOR ENVIRONMENT - A method for generating a two-dimensional radio coverage map comprising a plurality of physical levels including a first physical level and a second physical level. The access point is located above the second physical level. A first radio coverage map comprising original points located at a first distance from the access point is generated. Each of the original points has a first predicted value. A distance is selected to place the two-dimensional radio coverage map at the target distance from the access point. Coordinates of map points of the two-dimensional radio coverage map are generated. Each of the map points corresponds to one of the original points. An offset value representing an attenuation due to the target distance being different than the first distance is computed. For each of the map points, a predicted received signal strength value is generated by adding the offset value to the first predicted value of the corresponding one of the original points. | 07-24-2014 |
20140217168 | IDENTIFIER GENERATION FOR VISUAL BEACON - A visual beacon, such as a Quick Response (QR) code or other type of artificial visual beacon is identified based on a coarse position and content information, and optionally, type of the visual beacon. For example, position may be based on latitude and longitude, e.g., from a satellite positioning system, or the CellID from a cellular network. The content information may be based on a sampling of the content before or after decoding. Content information may alternatively be all of the decoded content or an image of the visual beacon. Thus, for example, a mobile platform may generate a visual beacon identifier using the position and content information, which is transmitted to a navigation assistance server. The server can access and transmit to the mobile platform a navigation assistance message associated with the visual beacon identifier. If no visual beacon identifier is found, the server may enter the information. | 08-07-2014 |
20140253384 | Tiered Positioning Assistance Data for Mobile Devices Within an Indoor Environment - Various methods, apparatuses and/or articles of manufacture are provided which may be implemented in one or more electronic devices supporting mobile device positioning within an indoor environment. Tiered positioning assistance data (tiered-PAD) corresponding to an indoor environment may be generated and/or distributed. Mobile device positioning and/or navigation capabilities may be based, at least in part, on tiered-PAD corresponding to the indoor environment. Tiered-PAD may be provided to a plurality of mobile devices. A given mobile device may, for example, select applicable portion(s) of tiered-PAD to affect one or more positioning functions and/or the like which may be performed, at least in part, by the mobile device. | 09-11-2014 |
20140256346 | ADAPTIVE ASSISTANCE DATA FOR TIERED SERVICE AND EFFICIENCY IN INDOOR POSITIONING - A method for providing tiered indoor positioning service includes: receiving a request for assistance data from a mobile device; receiving expected quality of service information from the mobile device; generating an adaptive assistance data file comprising heat map data based at least in part on the received expected quality of service information; and transmitting the adaptive assistance data file to the mobile device. | 09-11-2014 |
20140266697 | METHOD AND APPARATUS FOR USE IN IDENTIFYING POTENTIAL ANOMALIES IN ELECTRONIC FILES SUPPORTIVE OF MOBILE DEVICE POSITIONING - 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. | 09-18-2014 |
20140269645 | WIRELESS ACCESS POINT SYNCHRONIZATION - Examples disclosed herein may relate to wireless access point synchronization for use in mobile device position estimation. In an aspect, one-way synchronization packets may be exchanged among neighboring access points, and individual access points may adjust a local dock based at least in part on time reference indicators received in synchronization packets. | 09-18-2014 |
20140274009 | LOCATION-AWARE NETWORK SELECTION - Systems, apparatus and methods in a mobile device for saving power by powering down all transceivers not carry traffic are presented. The traffic may be voice and/or data traffic. A mobile device may select single transceiver to carry voice traffic and the same or different transceiver to carry data traffic. A mobile device first determines its position (e.g., a coarse position estimate) then consults a database or map to determine which networks are theoretically available. The mobile device executes a rule against the theoretically available networks to select the single network, then enables the transceiver for the one network to determine if the network is actually available for use. If the database inaccurately states a network is available from a current position but the transceiver shows that the network is actually not actually available, a next network from the database or map and corresponding transceiver are selected. | 09-18-2014 |
20140342662 | Method for Adapting to Venue Positioning Capabilities - Particular embodiments disclosed herein are directed to methods, systems and/or devices for mobile assisted positioning. A mobile station may receive positioning assistance data from a server enabling or supporting one or more positioning operations in a venue. In a particular implementation, the mobile device may alter execution of one or more applications based, at least in part, on an indication of particular positioning services or operations enabled or supported by positioning assistance data available at the server. | 11-20-2014 |
20140364101 | FINE GRAIN POSITION DATA COLLECTION - 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. | 12-11-2014 |
20150019121 | INTELLIGENT MAP COMBINATION FOR VENUES ENABLING INDOOR POSITIONING - Methods and devices are described for merging maps. In one potential embodiment a method may comprise receiving an indication of at least one plurality of geographically proximate points, where each of the at least one plurality of geographically proximate points are determined by at least one access point in communication with one or more mobile devices. A first and second map may then be received, where the first map and the second map each cover a first area such that the first area is in both the first map and the second map. The first map and the second map may then be merged by matching a mapping of a first portion of an indication of the at least one plurality of geographically proximate points on the first map and a second portion of an indication of an at least one plurality of geographically proximate points on the second map. | 01-15-2015 |
20150029945 | Communications between a Mobile Device and an Access Point Device - Method, device, and computer program product that may improve communications between a mobile device and an access point device are disclosed. In one embodiment, a method of communicating between a mobile device and an access point device comprises control a plurality of beacons in the access point device, establishing a communication between the access point device with the mobile device using a first beacon in the plurality of beacons, broadcasting availability of the plurality of beacons in the access point device via the first beacon, and establishing the communication with the mobile device using a second beacon in the plurality of beacons. | 01-29-2015 |
20150031307 | METHOD AND APPARATUS FOR USE IN DETECTING CHANGES WITHIN WIRELESS SIGNAL ENVIRONMENT - Various methods, apparatuses and articles of manufacture are provided for use by one or more electronic devices to detect and/or respond to certain changes (anomalies) within a wireless signaling environment. For example, a first electronic device may receive a report of a threshold anomaly detected by a monitoring device deployed at a fixed predetermined position within a coverage area of a network service device, and may initiate an investigation by requesting that a second electronic device attempt to monitor certain transmissions of and/or actively communicate with a network service device. In response to a determination based, at least in part, on the investigation that the threshold anomaly represents a threshold change in status within the wireless signaling environment, the first electronic device may transmit a status report regarding the wireless signaling environment to another electronic device. | 01-29-2015 |
20150045054 | Systems and Methods for Floor Determination of Access Points in Indoor Positioning Systems - Systems and methods are disclosed for determining the floors on which APs are located for WiFi-based indoor positioning systems. A data collection phase is followed by a data analysis phase. During data collection, measurement data to observed APs may be collected from various locations on different floors. The measurements data may include received signal strength indication (RSSI), optional round-trip-time (RTT) data to the APs, and floor information of the measurement locations. Measurement data may also be collected from crowd sourced data without floor information of the measurement locations. In data analysis, the collected measurement data are analyzed using various algorithms to determine if APs belong to the same floor and to assign APs on the same floor to the same cluster. APs on different floors may thus be assigned to different clusters. If the floor information of the measurement locations is known, each cluster may be assigned a floor number. | 02-12-2015 |
20150081239 | METHOD, SYSTEMS AND/OR DEVICE FOR ADJUSTING EXPECTED RECEIVED SIGNAL STRENGTH SIGNATURE VALUES - Disclosed are systems, methods and devices for application of determining position information for mobile devices. In specific implementations, measurement of a signal travel time and a signal's strength may be combined to characterize a transmission power of the signal's transmitter. The characterized transmission power may be applied to affect expected signal strength signature values for use of the signal's transmitter may be updated in order to enhance a location based service where location may be effected by accuracy of a transmitter's power. | 03-19-2015 |