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US20100321244 TRACKING OF EMERGENCY PERSONNEL  
Techniques are disclosed that allow for the detection, identification, direction finding, and geolocation of emergency personnel in a given multipath environment. For example, the techniques can be...
US20130021206 Method and System for Multipath Reduction for Wireless Synchronizing and/or Locating  
A method for determining an instantaneous phase difference between time bases of at least two location anchors for a desired point in time (t), each of the location anchors having transmitting and...
US20120157795 Patient Emergency Response System  
An improved emergency response system is provided. The system includes a patient or subscriber location database having a schedule of patient or subscriber activities. In one implementation, an...
US20130257657 MASHUP OF AP LOCATION AND MAP INFORMATION FOR WIFI BASED INDOOR POSITIONING  
An apparatus and method for merging a disjoint pair of maps comprising a digital building map that includes a floor plan and an access point (AP) map that includes identifiers for a plurality of...
US20110068981 Apparatus and Method for Constructing and Utilizing a Beacon Location Database  
A method to support client device position discovery within a building includes ascribing building position coordinates to beacons within the building. The building position coordinates are...
US20110199257 METHOD AND SYSTEM FOR UPDATING ALTITUDE INFORMATION FOR A LOCATION BY USING TERRAIN MODEL INFORMATION TO PRIME ALTITUDE SENSORS  
Methods and systems for updating altitude information for a location by using terrain model information to prime altitude sensors are disclosed and may include determining an altitude of a wireless...
US20140266909 METHODS FOR LCI DISAMBIGUATION  
Various arrangements for performing location disambiguation are presented. A mobile device may receive a plurality of location hypotheses. The mobile device may also receive an indication of a...
US20120218150 MANAGEMENT SERVER, POPULATION INFORMATION CALCULATION MANAGEMENT SERVER, NON-POPULATED AREA MANAGEMENT METHOD, AND POPULATION INFORMATION CALCULATION METHOD  
To provide a management server, population information calculation management server, non-populated area management method, and population information calculation method capable of easily...
US20120280858 Method and System for Enhancing a Location Server Reference Database Through Round-Trip Time (RTT) Measurements  
A mobile device in a cellular communication network collects round-trip time (RTT) measurements for a single active cell. The collected RTT measurements are transmitted to a location server. The...
US20130321211 ASSET TRACKING SYSTEM WITH ADJUSTED PING RATE AND PING PERIOD  
Asset tracking system that utilizes a time-based ping in which the ping rate and the ping period are based on a predetermined event. Over the period of use of the system and device, the ping rate...
US20120050098 RELIABLE LOCATION INFORMATION FOR A MOBILE STATION USING A NON-GPS LOCATION TECHNIQUE  
A method and apparatus determines if a location fix received by a mobile station using a non-GPS location techniques is accurate. Location results obtained using the non-GPS location technique or...
US20110115671 DETERMINATION OF ELEVATION OF MOBILE STATION  
A mobile station determines it elevation based on the determined position of mobile station and a database of elevation data. The determined elevation of the mobile station may be used to...
US20120326930 DEVICES, SYSTEMS AND METHODS FOR PORTABLE DEVICE LOCATION  
Devices, systems, and methods are disclosed which relate to a network of RFID readers which detect a location of an RFID transmitter coupled to a portable device. The network of RFID readers...
US20110112768 Scalable GeoFences  
The subject matter disclosed herein relates to location-based tracking using geofences.
US20100321243 BACKGROUND POSITION FIX PRIOR TO REQUEST  
A mobile station determines a usage pattern based on information stored from previous position fixes. The usage pattern is used to predict a time for a next position fix request. The mobile station...
US20140145873 Electromagnetic Reflection Profiles  
Methods, systems, and products determine electromagnetic reflective characteristics of ambient environments. A wireless communications device sends a cellular impulse and receives reflections of...
US20120249373 Populating Non-Positional Transmitter Location Databases Using Information about Recognized Positional Transmitters  
Methods and systems for populating and maintaining a non-positional transmitter location database are disclosed. When a mobile station detects a non-positional transmitter, the mobile station...
US20130234894 LOCATION ESTIMATION USING RADIO SCENE SIGNATURES  
Techniques for estimating a location of a portable electronic device are provided. The techniques represent radio scene information detected by a portable electronic device as a vector. The vector...
US20110128183 ROBUST LOCATION ESTIMATION  
A method of collecting information for supplementing a trusted estimate of position. The method comprises: receiving first information sufficient to derive a trusted estimate of a first position;...
US20110133989 EMERGENCY RESCUE SYSTEM AND RESCUE-INFORMATION JUDGMENT METHOD  
An emergency rescue system and a rescue-information judgment method are disclosed. The emergency rescue system includes a plurality of fixed nodes, a dynamic node and a back-end processing...
US20130342401 CORRECTING DEVICE ERROR RADIUS ESTIMATES IN POSITIONING SYSTEMS  
Embodiments adjust device error radiuses associated with inferred device positions produced by positioning systems. Inferred beacon positions and associated beacon radiuses are accessed for beacons...
US20120229341 GPS-BASED CE DEVICE WIRELESS ACCESS POINT MAPPING  
A CE device can incorporate a GPS receiver and can be moved around a building with wireless access point (AP) signal strengths recorded at various locations. The optimum AP location is selected on...
US20130342402 POSITIONING ACCURACY OF LOCATION TRACKING SYSTEM  
This document presents a method for processing radio measurement reports in a location tracking apparatus, the method comprising: acquiring a plurality of radio measurement reports related to...
US20120154211 ELECTRONIC DEVICE FOR TRACKING AND MONITORING OF TOPOGRAPHY EQUIPMENT  
An electronic device having a system for tracking and monitoring to recover and/or service topography equipment. The electronic device is hidden within the topography equipment by a certified...
US20130300607 WIRELESS LOCAL AREA NETWORK BASED POSITIONING  
Apparatus and method for dynamically updating a channel model used for wireless local area network based positioning. In one embodiment, a wireless device includes a positioning system. The...
US20110053614 POSITION INFORMATION SYSTEM  
A positioning information transmitter transmits a positioning identifier instead of directly transmitting position information. A positioning information management server stores and manages the...
US20130093628 GEOLOCATION OF WIRELESS ACCESS POINTS FOR WIRELESS PLATFORMS  
A system and method for using a receiving wireless device to passively detect target wireless devices or access points, quantify signal strengths of the target wireless devices or access points,...
US20110304503 SIMULTANEOUS LOCALIZATION AND RF MODELING  
The simultaneous localization and RF modeling technique pertains to a method of providing simultaneous localization and radio frequency (RF) modeling. In one embodiment, the technique operates in a...
US20110227791 SELECTING BEACONS FOR LOCATION INFERENCE  
Location inference using selected beacons. Data is received representing a set of beacons observed by a computing device. The beacons are located within a first geographic area. A subset (e.g., a...
US20120133555 METHOD AND SYSTEM FOR BUILDING LOCATION INFORMATION DATABASE OF ACCESS POINTS AND METHOD FOR PROVIDING LOCATION INFORMATION USING THE SAME  
A method and system for building a database (DB) of location information of APs and providing AP location information in a shadow area of Global Positioning System (GPS) using the DB includes...
US20110084881 IDENTIFYING NEIGHBORS OF GEO-SPATIALLY DISTRIBUTED RADIO TRANSMITTERS  
Processes and systems are presented, for identifying a set of neighbors of a radio transmitter based on available geo-spatial coordinates of radio transmitters in operation around the world. In one...
US20120286997 MODELING AND LOCATION INFERENCE BASED ON ORDERED BEACON SETS  
Embodiments order observed beacons based on relative signal strength to create a correspondence between beacon sets and positions. A computing device such as a mobile device provides a positioned...
US20110199255 METHOD AND SYSTEM FOR DETERMINING A POSITION FIX INDOORS  
A location server may be operable to refine a location for a RF node based on a weight applied to one or more location samples that are received from one or more mobile devices. The received...
US20080198230 GPS Based Spectator and Participant Sport System and Method  
A spectator sport system and method that displays different views of a sporting event and, in particular, uses a position selected by the spectator to assist in displaying a view from the selected...
US20120306691 HYBRID POSITIONING USING TIMING REFERENCE INFORMATION  
Methods and apparatuses for a mobile station to obtain a position fix using synchronous hybrid positioning and asynchronous hybrid positioning techniques are described. In one embodiment, a...
US20140139375 TRACKING ALGORITHM  
A method of tracking an entity by monitoring a signal, the signal tending to vary spatially and be generally time-invariant, the entity moving from a first location within an area to a second...
US20120262335 Network coverage and demand maps  
Disclosed is an apparatus and method for pairing measurements and position estimate as an information pair from multiple mobile devices and reporting these information pairs to a server without...
US20090295641 METHOD OF LOCATING THE POSITIONS OF WHEELS OF A VEHICLE  
A method of locating the positions of wheels (2) of a vehicle (1) each fitted with an electronic module (3), whereby, in order to locate a wheel (2) on the one hand, the vehicle (1) is equipped...
US20130342400 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...
US20130257658 Method, apparatus, and computer-readable medium for detecting user presence  
An apparatus, computer-readable medium, and computer-implemented method for detecting user presence includes receiving an identifier code from a user device, the identifier code being associated...
US20140074667 System and Method for Inventory Control of Mobile Assets  
A radio-frequency identification (“RFID”)-based asset tracking system uses a mobile RFID reader to move among stationary assets and communicate with RFID tags attached to the assets. The mobile RFI...
US20130154883 POSITIONING ERROR CALCULATION DEVICE, POSITIONING ERROR CALCULATION SYSTEM AND POSITIONING ERROR CALCULATION METHOD  
Provided is a positioning error calculation device which enables provision of an appropriate positioning error value regarding position data obtained by base-station positioning regardless of the...
US20130082877 DETECTION OF A POSITION OF AN OBJECT  
A method and associated system for estimating a position of an object. A radio wave is received from each radio frequency identification (RFID) tag of N RFID tags affixed to the object at different...
US20100283679 METHODS AND APPARATUS TO LOCATE A WIRELESS DEVICE  
Methods and apparatus to locate a wireless device are described. A disclosed example method includes transmitting a request location message from a first wireless station to a second wireless...
US20140022127 System and Method for Providing Location Information on Mobile Devices  
A system and method for activating a GPS receiver or a WiFi receiver on a mobile device may be provided, which comprises determining an approximate location of the mobile device. The approximate...
US20110279323 SYSTEM AND METHOD FOR PROVIDING LOCATION INFORMATION ON MOBILE DEVICES  
A system and method for activating a GPS receiver or a WiFi receiver on a mobile device may be provided, which comprises determining an approximate location of the mobile device. The approximate...
US20130147666 RADAR SYSTEM  
A radar system for detecting positions of targets using a high resolution algorithm is presented. The number of incorrect target detections due to incorrect estimation of the number of radar...
US20110205125 INFERRING BEACON POSITIONS BASED ON SPATIAL RELATIONSHIPS  
Estimating positions of beacons based on spatial relationships among neighboring beacons. Beacon reference data defining positions of beacons is stored from beacon fingerprints observed by devices...
US20140111380 METHOD FOR SHORT-RANGE PROXIMITY DERIVATION AND TRACKING  
A system has short-range transmission devices, each of which corresponds to a range of zones in a three dimensional space. The short-range devices are positioned at various locations within the...
US20130241776 TECHNIQUE FOR USING CACHED INFORMATION WITH A WLAN POSITIONING SYSTEM TO OBTAIN AN ESTIMATE OF A POSITION OF A MOBILE DEVICE  
In one embodiment, techniques are employed to estimate a position of a wireless local area network (WLAN) enabled mobile device. The mobile device receives one or more wireless local area network...
Matches 1 - 50 out of 174 1 2 3 4 >