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US20110140969 |
Method And System For Hybrid Positioning Using Partial Distance Information
The present invention provides a method and system for positioning one or more anchor nodes or one or more non-anchor nodes in one or more communication networks. A non-anchor node may be in...
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US20110095946 |
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 three or more round-trip time (RTT) measurements for a single active cell. The collected RTT measurements are transmitted to a location...
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US20110232585 |
Radial-shape wireless dog fence system and method
A radial-shaped wireless fence system is provided that contains one or more dogs in a user-defined area without the need for a physical fence or underground wire. The system includes a base unit...
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US20130082878 |
WI-FI POSITION FIX
A method of forming an estimate of the two-dimensional position of a radio receiver relative to a plurality of radio transmitters each having an associated position estimate and a position...
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US20120169543 |
TRUE OMNI-DIRECTIONAL ANTENNA
An antenna and a method for using the antenna in a wireless appliance are provided. The antenna includes a conducting surface having a length and a width; a dielectric slit having a slit length...
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US20110074632 |
WIRELESS POSITIONING METHOD AND APPARATUS
A wireless positioning method of a receiver is provided. Signals are received from a plurality of transmitters, propagation taps of the plurality of transmitters received from the plurality of...
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US20110187600 |
SYSTEM AND METHOD FOR MEASUREMENT OF DISTANCE TO A TAG BY A MODULATED BACKSCATTER RFID READER
Distance to a modulated backscatter tag is measured with a RFID reader that measures changes in phase with frequency of modulated backscattered RF signals. Measured distances are linked to a...
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US20130069828 |
LOCATION BASED DETERMINATION TO PERFORM A RANGING PROCEDURE
Methods and systems are described for using location-based information to determine whether to perform a ranging procedure. A change in location of a device is identified. The identified change in...
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US20110074634 |
WIRELESS POSITIONING METHOD AND APPARATUS
A wireless positioning method of a receiver is provided. Signals are received from a plurality of transmitters, propagation taps of the plurality of transmitters received from the plurality of...
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US20110298664 |
SYSTEMS AND METHODS FOR USING A SATELLITE POSITIONING SYSTEM TO DETECT MOVED WLAN ACCESS POINTS
The disclosed subject matter generally relates to hybrid positioning systems and methods and, more specifically, systems and methods of detecting moved WLAN assess points using a wireless local...
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US20110298663 |
SYSTEMS AND METHODS FOR USING A SATELLITE POSITIONING SYSTEM TO DETECT MOVED WLAN ACCESS POINTS
The disclosed subject matter generally relates to hybrid positioning systems and methods and, more specifically, systems and methods of detecting moved WLAN assess points using a wireless local...
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US20110187599 |
Technique For Effectively Communicating Location Information In A Wireless Communication Service
In providing a wireless location communication service including a location based service to a user of a mobile device, the mobile device sends information concerning a location of the device...
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US20070013584 |
Methods, systems and devices for determining the location of a mobile device based on simulcast communication signals
A method for determining a position of a mobile device may include receiving a communication signal at the mobile device simulcast from a plurality of transmitters. One of the plurality of...
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US20100283682 |
CLOCK PHASE RANGING METHODS AND SYSTEMS
A system and method for estimating the range between two devices performs two or more ranging estimates with subsequent estimates performed using a clock that is offset in phase with respect to a...
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US20110102266 |
WIRELESS PROXIMITY PROBE AND METHOD OF OPERATING SAME
A proximity probe, for use in determining a distance to a probe target, includes a first antenna configured to wirelessly receive a radio-frequency signal at a first predetermined frequency and a...
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US20090055123 |
DISTANCE BASED ASSOCIATION FOR ULTRA WIDE BAND (UWB) WIRELESS PERSONAL AREA NETWORK (PAN) DEVICES
Methods and wireless communication device for associating UWB (Ultra Wide Band) WPAN devices through the processing of ranging information. Ranging information represents the distance between a...
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US20100321245 |
MULTIBAND TRANSCEIVER AND POSITIONING SYSTEM USING THE TRANSCEIVER
The present invention comprising: a first local oscillator for generating a first frequency; a second local oscillator for generating a second frequency; phase-difference setting means for setting...
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US20120112959 |
Method And Apparatus For Establishing Meshed GPS Network
An apparatus and method for determining real time location of assets by calculating the relative position of a plurality of GPS enabled devices transported together, taking advantage of multiple...
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US20090212995 |
DISTRIBUTED ITERATIVE MULTIMODAL SENSOR FUSION METHOD FOR IMPROVED COLLABORATIVE LOCALIZATION AND NAVIGATION
A computer implemented method for fusing position and range measurements to determine the position of at least one node of a plurality of distributed nodes is disclosed. The method includes (a)...
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US20130069829 |
METHOD AND DEVICES FOR DETERMINING THE DISTANCE BETWEEN A RADIO BEACON AND AN ONBOARD UNIT
The invention relates to a method for determining the distance between a radio beacon and a vehicle device passing in front of said radio beacon, in a road toll system. A signal of a frequency...
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US20100035546 |
LOCATING REFERENCE NODES FOR POSITIONING DEVICES IN A WIRELESS NETWORK
A method for matching an actual device in a wireless network to a corresponding device indicated in a plan (1) of such devices is provided. The method is suitable for initiating the commissioning...
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US20120262340 |
STEP FILTER FOR ESTIMATING DISTANCE IN A TIME-OF-FLIGHT RANGING SYSTEM
A ranging system includes a time of flight subsystem including circuitry incorporated in a mobile node and a base station for generating a TOF signal between the mobile node and the base station,...
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US20120212374 |
METHOD AND APPARATUS FOR RF-BASED RANGING WITH MULTIPLE ANTENNAS
An apparatus having a first antenna; a second antenna; and a controller coupled to the first and second antennas, wherein the controller is configured to determine a first ranging measurement...
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US20090267830 |
METHOD FOR DETERMINING THE DISTANCE BETWEEN POSITIONING DEVICES AND GROUND MONITORING SYSTEM USING THE METHOD
A method for determining a distance between positioning devices includes following steps. A ground monitoring system receiving positions of a first positioning device and a second positioning...
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US20060071854 |
Ranging and positioning method and apparatus
The method and apparatus are for use in a building (2) having walls (8) and corridors (10) extending longitudinally (4) and laterally (6). Base stations (20, 22) have antennae orientated with a...
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US20090213003 |
POSITIONING DEVICE AND METHOD FOR MEASURING THE DISTANCE BETWEEN MULTIPLE POSITIONING DEVICES
A positioning device includes an antenna, a receiving module, a processing module and an output module. The receiving module receives positioning signals transmitted from positioning satellites and...
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US20120032855 |
HIGH-RESOLUTION RANGING AND LOCATION FINDING USING MULTICARRIER SIGNALS
The invention relates to methods and systems for accurate ranging and geo-locationing using coherent multicarrier (CM) signals and based on a high-resolution estimation of a receiver timing offset...
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US20080129599 |
Systems and methods for locating targets using digital elevation model survey points
A method for determining the position of a target using digital terrain elevation data survey points and a corresponding target locating system are described. The method includes selecting at least...
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US20100283683 |
POSITION INFORMATION DETECTION SYSTEM AND POSITION INFORMATION DETECTION METHOD
An object of the present invention is to achieve a position information detection system with high precision when an obstruction and a reflective object exist. A position information detection...
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US20110001668 |
REBROADCASTING METHOD AND SYSTEM FOR NAVIGATION SIGNALS
A “synchrolite” or rebroadcasting device allows GPS or GNSS navigation signals received at one or several locations to be processed at a separate location. The signals received by the syn...
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US20110248887 |
GEOLOCATION LEVERAGING SPOT BEAM OVERLAP
A method and system are disclosed for providing an estimate of a location of a user receiver device. The method and system involve emitting from at least one vehicle at least one spot beam on...
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US20110148714 |
Near Field Electromagnetic Location System and Method
A system and method for determining a position of a locus comprising a locator device for disposition at the locus; the locator device configured for receiving an electromagnetic signal from a...
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US20110140970 |
BASE STATION DEVICE AND DISTANCE MEASURING METHOD
Provided are a distance measuring device and a distance measuring method which can easily distinguish a reflected signal from a desired tag from an unnecessary wave so as to improve the distance...
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US20110260923 |
SYSTEM AND METHOD FOR POSITIONING USING SIGNAL TRANSMIT POWER AND SIGNAL RECEIVE PACKET ERROR RATIO
A system and method for positioning using signal transmit power, SNR of the signal receiving unit, signal receive PER or PLR, and distance relationship between the signal source and receiving unit....
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US20100245174 |
POSITIONING DEVICE AND PROGRAM RECORDING STORAGE MEDIUM FOR POSITIONING
A positioning device includes: a device body; a direction change detecting section that detects whether a traveling direction of the device body has been changed based on a detection of an azimuth...
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US20100149031 |
SYSTEM AND METHOD FOR DETERMINING FORGED RADIO FREQUENCY MEASUREMENTS
A system and method for determining whether a wireless device has transmitted one or more forged radio frequency (“RF”) measurements. A first set of signals from a plurality of RF sources may be ...
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US20120139791 |
Concept for Determining an Estimated Value of a Location of a Receiving Element
Apparatus for determining an estimated value for a location of a receiving element within a reference system which may receive signals of a signal source movable to different measuring positions,...
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