|
Match
|
Document |
Document Title |
|
|
7626969 |
Relative location of a wireless node in a wireless network
In one embodiment, a method includes computing a probability surface corresponding to the location probability of the wireless node within a physical region based on the received signal strength...
|
|
|
7626538 |
Augmented passive tracking of moving emitter
In one embodiment, the disclosure relates to a method for estimating and predicting a target emitter's kinematics, the method including the steps of: (a) passively sampling, at a first sampling...
|
|
|
7617542 |
Location-based content protection
A system and system is disclosed to protect media content via location-based data. Multimedia devices are equipped with locator devices, such as a GPS unit, or similar device. The multimedia...
|
|
|
7616555 |
Minimum variance location estimation in wireless networks
In one embodiment, a method includes receiving received signal strength data, computing an aggregate square error surface based on the received signal strength data, computing a probability surface...
|
|
|
7612708 |
RF system for tracking objects
A system for tracking an object in space for position, comprises a transponder device connectable to the object. The transponder device has one or several transponder aerial(s) and a transponder...
|
|
|
7609197 |
Method for measuring distance and position using spread spectrum signal, and an equipment using the method
By using the delay profile created by delay profile creating section 102 and the first threshold value 330 received from the first threshold value calculation 105, the first threshold value...
|
|
|
7595754 |
Methods, systems and apparatus for integrated wireless device location determination
Methods, devices, and systems are presented for integrated wireless device location determination. A method for determining location on a wireless device includes receiving a request for wireless...
|
|
|
7593736 |
Positioning system for digital telephone networks
The invention relates to a determining the position of a mobile receiver 4 in a digital telephone network positioning system. A first receiver 3 is at a known location and others are mobile....
|
|
|
7579990 |
Method and system for estimating the location of a wireless terminal from a received signal strength
A first estimated location of a target terminal to be estimated in its location is obtained based on information derived from radio signals for location estimation and also locations of anchor...
|
|
|
7579989 |
Method and system for emitter localisation
Process and system for the location of emitters in the radar frequency range on the basis of cross position-finding by at least two flying platforms with, in each case, at least one passive HF...
|
|
|
7570176 |
Radio frequency identification tag and a method of operating same
A tag can transmit a tag signal, and responds to receipt of a wireless signpost signal by determining whether the signpost that generated the signal is currently active. When the signpost is...
|
|
|
7567200 |
Method and apparatus for body position monitor and fall detect ion using radar
A radar fall detector system. The radar fall detector system includes transmitter and receiver antennae and a signal processor that processes a reflected signal. Doppler analysis of the reflected...
|
|
|
7567172 |
Wide area multipurpose tracking system
A method of electronically tracking and locating a very large number of objects such as, but not limited to, personal case files in health care, law, or human services systems is described. Each...
|
|
|
7557753 |
Spacecraft hardware tracker
A GPS tracker is disposed on launch hardware that separates from a spacecraft launch vehicle during ascent to orbit with the launch hardware having a suborbital trajectory from launch to impact...
|
|
|
7555330 |
Intrabody navigation system for medical applications
A system and method for tracking the position and orientation of a probe. Three at least partly overlapping planar antennas are used to transmit electromagnetic radiation simultaneously, with the...
|
|
|
7554676 |
Positional measurement system and lens for positional measurement
A positional measurement system includes an electromagnetic wave source which emits an electromagnetic wave, a lens system which has a first lens surface, an electromagnetic wave shield section...
|
|
|
7551129 |
Virtual real-time clock based on time information from multiple communication systems
Method and apparatus to implement a “virtual” real-time clock at a terminal based on time information from multiple communication systems. At least one system (e.g., GPS) provides...
|
|
|
7548815 |
Method and system for programmable mobile vehicle hotspots
The present invention provides a method of operating a telematics device within a mobile vehicle communication system. The method includes generating at least one personal route profile, comparing...
|
|
|
7548731 |
Method to reduce power consumption of static wireless beacons and cost of infrastructure
The present invention provides for reducing power consumption of a positioning system having wireless beacons. A wireless transmitter static beacon is provided, which has a known position, signal...
|
|
|
7545326 |
Wireless tracking system and method with multipath error mitigation
A system ( 50 ) and method ( 300 ) for providing multipath error mitigation for real-time wireless tracking of an object ( 100 ) is disclosed herein. A plurality of sensor readings are obtained...
|
|
|
7543071 |
Service providing system and detecting service that includes service providing device and service providing device that provides services via wireless network
A service providing system including an administrator terminal device, a user terminal device, and a service providing device. The service providing device authorizes a process to register a user...
|
|
|
7542770 |
Method for mobile unit location estimate in a wireless LAN
Association request messages received by one or more access points of a wireless local area network are used to infer the location of a mobile unit requesting association. Association may be...
|
|
|
7541968 |
System and method for detecting an intruder using impulse radio technology
An intrusion detection system and method are provided that can utilize impulse radio technology to detect when an intruder has entered a protection zone. In addition, the intrusion detection system...
|
|
|
7541942 |
Method and apparatus for processing signpost signals received by a tag
A tag receives a wireless signpost signal that contains a signpost code, converts the signpost code into location information representative of a physical location of a signpost that transmitted...
|
|
|
7535411 |
System and method for detecting drifts in calibrated tracking systems
A method and system for detecting drift in calibrated tracking systems used to locate features with respect to one or more coordinate systems allows medical devices to be accurately tracked within...
|
|
|
7532160 |
Distributed radio frequency ranging signal receiver for navigation or position determination
In a local positioning system, a receiver is adapted for receiving signals from a land-based transmitter. The receiver includes an analog decorrelator for decorrelating the transmitted spread...
|
|
|
7529618 |
Image forming system and image forming apparatus
An image forming system and apparatus are provided which utilizes a portable terminal such as a cellular phone when printing and outputting map data, etc. On a network by separating the operation...
|
|
|
7529551 |
Ranging and positioning system, ranging and positioning method, and radio communication apparatus
A system and method for performing ranging and positioning as follows by using the procedure for packet transmission and reception between a sender and a recipient. A first radio set transmits...
|
|
|
7526378 |
Mobile information system and device
The present invention includes a mobile device that is capable of storing media and optionally a wireless network connection for streaming live data between the device and the database. The data...
|
|
|
7525484 |
Gateway and hybrid solutions for wireless location
A location system is disclosed for commercial wireless telecommunication infrastructures. The system is an end-to-end solution having one or more location centers for outputting requested locations...
|
|
|
7525434 |
RF systems and methods for tracking and singulating tagged items
A method for identifying an approximate location of a radio frequency tag includes scanning zones of an area in an active mode at a first power level for identifying the zone in which the tag is...
|
|
|
7525426 |
Method and apparatus for location and tracking persons
The invention relates to a method and apparatus for locating and tracking persons by use of an implantable device. The described invention is an implantable device composed of biocompatible...
|
|
|
7518543 |
Method for determining positions of targets by bistatic measurements using signals scattered by the targets
A method for determining the positions of targets by bistatic measurements using signals scattered by the targets is provided in which the velocities of the targets can also be determined. The...
|
|
|
7515094 |
Advanced electromagnetic location of electronic equipment
An apparatus for measuring at least one of unintentional and intentional electromagnetic emissions for at least one of enabling electromagnetic location of predetermined electronic equipment giving...
|
|
|
7515092 |
Sub-frame synchronized residual radar
A method of using a wireless communication system to determine locations is provided. The method including exchanging communication frames between at least two synchronized nodes in the...
|
|
|
7515087 |
Weather radar system and method using data from a lightning sensor
A weather radar system or method can be utilized to determine a location of a weather hazard for an aircraft. The weather radar system can utilize processing electronics coupled to an antenna. The...
|
|
|
7504992 |
Wireless system using continuous wave phase measurement for high-precision distance measurement
A system and method for monitoring topological changes in a defined area. A grid of sensors is arranged in the area, with known distances between them. The sensors communicate wirelessly with a...
|
|
|
7495613 |
System and method for position determination by impulse radio
A system and a method for position determination by impulse radio using a first transceiver having a first clock providing a first reference signal and a second transceiver placed spaced from the...
|
|
|
7495612 |
Method and apparatus to improve ADS-B security
Security of ADS-B transmissions is improved in a first embodiment to detect position spoofing. The annunciated position source may then be compared with the derived source and a determination is...
|
|
|
7487056 |
Precision of localization estimates
Precision and reliability of localization estimates derived from conventional localization systems are improved through a system and method for post-processing of initial localization data, even in...
|
|
|
7486233 |
Method and system of positioning
The present invention relates to cellular mobile radio systems, particularly to systems of more than one co-sited cell/sector. A method and apparatus for high accuracy enhanced positioning not...
|
|
|
7480563 |
Mobile object location providing device and mobile object location providing system
In a mobile object location providing device, time required for distribution of distribution data per kind of the communicating unit is stored, a current location and a movement history of a mobile...
|
|
|
7479926 |
System and method of utilizing positioning receiver hardware for network-based transceiver applications
A network, network device and method is disclosed. In one embodiment, a method includes transmitting communication signals from a first network node to a second network node, where the first and...
|
|
|
7479891 |
Device for rescue and safety for swimming pools and leisure parks
A rescue and safety device for swimming-pools and amusement parks, consisting of a wristband containing a cardiac-arrest detector, a panic button, a location device and, optionally, a water...
|
|
|
7477163 |
Apparatus and method for determining asset location via local triangulation
The present invention is a method for locating an asset in a facility. An example of an asset is a vehicle and an example of a facility is a parking facility. When the user enters the facility with...
|
|
|
7471954 |
Methods and systems for estimating a user position in a WLAN positioning system based on user assigned access point locations
A method of estimating a location of a WLAN-enabled user-device in a WLAN-based positioning system is provided. The WLAN-enabled device receives signals transmitted by WLAN-enabled access points in...
|
|
|
7471242 |
Method and apparatus for installing and/or determining the position of a receiver of a tracking system
The present invention pertains to the installation and positioning of the receivers of a wireless tracking system. In such a system, a wireless beaconing device transmits a signal that can be...
|
|
|
7468697 |
Self-surveying wideband ground transmitters
A precise positioning method and system is disclosed for allowing an array of ground transmitters to self-survey their relative location at centimeter-level accuracy by transmitting, amongst the...
|
|
|
7466266 |
Psuedo television transmitters for position location
An apparatus having corresponding methods comprises a signal generator to generate an radio-frequency (RF) signal comprising a ranging signal comprising a component of a television signal; a...
|
|
|
7466232 |
Radio frequency identification asset management system and method
A radio frequency identification (RFID) tracking system to track and manage assets. Each asset to be tracked is tagged with an RFID tag, and tracked using RFID readers located throughout a...
|