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Match Document Document Title
9024812 Systems and methods for providing antenna calibration  
Systems and methods for providing antenna calibration can be used in a variety of applications. A method of calibrating an antenna array for use in a traffic advisory system or traffic alert and...
9002279 System and method for aligning interference in uplink  
Provided is a method of generating a transmit beamforming vector and a receive beamforming vector to substantially eliminate the effect of interference transmitted from macro terminals to a pico...
8948718 Devices and methods using the Hermetic Transform  
Systems and methods are described using a Hermetic Transform, as well as related transforms, for applications such as directional reception and/or transmit of signals using phased-array devices...
8929192 Method, apparatus, and computer program product for short-range communication based direction finding  
Method, apparatus, and computer program product example embodiments provide short-range communication based direction finding. According to an example embodiment of the invention, a method...
8847587 Field generator patch with distortion cancellation  
A magnetic field generator includes a substrate, a main generator coil, at least one field sensor, at least one shim coil, a driver circuit and a correction circuit. The main generator coil, the...
8760347 System of systems approach for direction finding and geolocation  
Systems and methods are provided herein that extend well-known direction finding (DF) and geolocation (GEO) concepts and approaches to a plurality of RF sensors to form a System of Systems (SoS)...
8674879 Antenna arrangement for DOA estimation  
An antenna arrangement including at least two antenna functions arranged to cover a certain angular sector, each antenna function comprising a corresponding antenna port. The antenna arrangement...
8599071 Adaptive antenna radio communication device  
A device for estimating a direction-of-arrival of a radio wave, the device comprising an array antenna including a plurality of antenna elements for receiving a high frequency signal, a...
8587467 Method and apparatus for determining locations of a moving radar  
A method for determining locations of a moving emitter is disclosed. Initially, a set of emitter pulses is collected when a collector platform moves over a collection baseline. In addition, the...
8576121 Method for lateral localization of the wheels of a vehicle  
Method for localization of the lateral position of the wheels of a vehicle equipped with a tire pressure monitoring system. Each wheel of the vehicle includes an electronic unit fixed onto a rim...
8559883 Wireless device and signal path configuration method thereof  
A signal path configuration method and apparatus of a wireless device are provided for avoiding radiation performance degradation caused by holding a specific part of the wireless device. A...
8405551 Location estimation system, method and program  
Location estimation systems, methods, and non-transitory computer program products. The system includes: storage means provided in the computer, means for storing the vector datasets in the...
8405549 Direction finding method and device  
A method for determining whether a target is within a direction sector of interest of a direction finder and a device for carrying out the method are disclosed. The method calls for (a)...
8405550 Near-vertical direction finding and geolocation system  
A system and method for geolocating an RF emitter disposed on or near the ground includes receiving a signal from the RF emitter at each antenna of an array of N non-collinear antennas, wherein N...
8390514 Detection and geolocation of transient signals received by multi-beamforming antenna  
A bank of order statistic filters applied to a set of antenna or transducer beams are used to detect and determine the line-of-bearing to the source of transient RF (or other, e.g., acoustic)...
8378922 System and method for position or range estimation, tracking and selective interrogation and communication  
A method of estimating an arc-position of a distal transmitter is disclosed. In one embodiment, the method includes: (1) receiving radio frequency signals from said distal transmitter into an...
8340588 Handheld synthetic antenna array  
A system for estimating parameters of an incoming signal is provided. At least one antenna is coupled to at least one suitable receiver. The antenna(s) are spatially translated in an arbitrary...
8305265 Radio-based direction-finding navigation system using small antenna  
An exemplary radio-based navigation system uses a small multimode direction-finding antenna and a direction-finding receiver capable of determining platform position, velocity, attitude, and time...
8301326 System and method for autonomous vehicle control  
A system for localizing an autonomous vehicle to a target area can include a position indicator adapted for association with the vehicle in a three dimensional configuration, a detection device...
8264406 Manifold calibration for a communication system  
A method and apparatus for determining stream weights is provided herein. During operation, an uplink direction of arrival (DOA) and a downlink direction of departure (DOD) calibration procedure...
8264408 User-executable antenna array calibration  
A system used for calibrating a direction-finding system. A device may include a signal receiver array. The signal receiver array may be utilized to determine the direction of arrival for signals...
8260324 Establishing wireless links via orientation  
A system for establishing a wireless link from a wireless communication device (WCD) to at least one target device. The process of both identifying the target device and establishing a link to...
8248304 Method for measuring incoming angles of coherent sources using space smoothing on any sensor network  
A method for interpolating steering vectors a(θ) of a sensor network, the sensor network receiving signals transmitted by a source, characterized in that, for the interpolation of the steering...
8217836 Tactical relative navigation using orientation transfer and ranging  
A navigation system/solution, suitable for use in a GPS-denied environment, may be implemented via a node, the node being mounted on-board a vehicle, such as a tactical aircraft. The...
8203485 Method of estimating direction of arrival and apparatus thereof  
A method includes generating a correlation vector of baseband-signal vectors based upon signals received from a plurality of sensor devices, generating a generalized Hankel matrix R representing a...
8199053 Three dimensional RF search system  
An RF signal detection process by incorporating direction detection of the RF signal along with energy detection to arrive at a signal of interest (SOI). The SOI is identified by matching...
8179319 Adaptive optimization of estimation of the angle of arrival of a signal received by an array of antenna elements  
A parameter of interest of a signal, such as the angle of arrival of a target signal received by an antenna system having an array of antenna elements, is estimated by (a) obtaining disparate...
8144057 Methods and apparatus for adaptively determining angles of arrival of signals  
A technique for determining the angles of arrival of signals incident on an antenna array from directions within an angular region of interest involves supplying outputs of antenna elements of the...
8138974 Location estimation system, method and program  
A location estimation method using label propagation. The achieved location estimation method is robust to variations in radio signal strengths and is highly accurate by using the q-norm (0
8130147 Signal wave arrival angle measuring device  
A signal wave arrival angle measuring device includes: an observation data vector generation section generating an observation data vector necessary for an angle measurement of a signal wave from...
8125388 Method for calibrating an AOA location system for all frequencies in a frequency hopping signal  
A method for calibrating an antenna and signal processing system enabling angle of arrival (AOA) determination for a frequency hopping signal, in which a calibration coefficient is determined in...
8098155 System and method for locating a target wireless device  
A method for locating a target wireless device is disclosed. At least one directional antenna is swept through a field of view at each of a plurality of sensing locations. A position is determined...
8081106 Target ranging using information from two objects  
In an embodiment, an apparatus includes a detector, direction finder, receiver, and range finder. The detector is operable to detect a target, and the direction finder is operable to determine a...
8063771 Marine personal locator apparatus  
Marine personal locator system including personal transmitters activated by immersion and a receiver. The transmitter includes a microprocessor adapted to effect transmission of a unique tone...
8035562 Digital beam-forming apparatus and technique for a multi-beam global positioning system (GPS) receiver  
An advanced multiple-beam GPS receiving system is achieved that is capable of simultaneously tracking multiple GPS satellites independently, detecting multiple interference signals individually,...
8004463 Systems and methods for determining direction-of-arrival  
The disclosed system and method for determining direction-of-arrival generally includes an antenna element and a processor. The antenna element may configured to generate a signal in response to...
7990314 Method and system for locating a geographical position using broadcast frequency modulation signals  
A method and system for locating and positioning using broadcast frequency modulation (FM) signals, is provided. One implementation involves receiving FM stereo signals from three FM stations at...
7982670 Method and system for estimating directions-of-arrival in low power or low sample size scenarios  
The present invention relates to a method and a system for determining the direction of arrival of one or multiple radio or acoustic waves and, more particularly, to such a method and system...
7973715 Determining a direction of arrival of signals incident to a tripole sensor  
A system to determine a direction of arrival of each of a plurality of constituent signals of a superimposed wave includes a tripole radio antenna, a sampling unit, a frequency determining unit,...
7969360 High resolution, arbitrary-even-order direction finding method and device  
Method of high-resolution direction finding to an arbitrary even order, 2q (q>2), for an array comprising N narrowband antennas each receiving the contribution from P sources characterized in that...
7948438 Determining the angle of arrival of a target signal received by an array of antenna elements  
In a system for determining the angle of arrival of a target signal received by an array of antenna elements, a receiver obtains observations of a received target signal from an array of antenna...
7940215 Adaptive antenna radio communication device  
An adaptive antenna radio communication device comprises a divided band direction estimating unit for estimating the direction by calculating the cross correlations between a pilot signal and...
7912449 Method and system for 60 GHz location determination and coordination of WLAN/WPAN/GPS multimode devices  
Within a local region, information may be communicated between two or more wireless multimode communication devices (WMCD) comprising 60 GHz band and lower frequency band wireless interfaces....
7876264 Method of source number estimation and its application in method of direction of arrival estimation  
The present invention provides a method of source number estimation based on eigenspace in DOA estimation, including: (1) obtaining signals received by uniform linear array; (2) calculating a...
7848748 Method for characterising emitters by the association of parameters related to the same radio emitter  
Method of using one or more transmitters and/or one or more parameters associated with a transmitter by using a reception station comprising a device suitable for measuring over time a set of K...
7847733 Direction-of-arrival estimating device and program  
An arriving direction estimating device for estimating the arriving direction of an arriving wave with high accuracy and at high speed by using a sensor array. The arriving direction estimating...
7822141 Multiple input, multiple output communications systems  
Embodiments of the present invention include systems and methods for optimizing the transmitter and receiver weights of a MIMO system. In one embodiment, the weights are optimized to create and...
7804449 Method for angle of arrival determination on frequency hopping air interfaces  
A method for calibrating an antenna and signal processing system enabling angle of arrival (AOA) determination for a frequency hopping signal, in which a calibration coefficient is determined in...
7791537 Radio monitoring apparatus and method  
Disclosed is radio monitoring apparatus which includes a radio station distinction unit, a direction measurement unit, a transmission source location estimation unit and a transmission source...
7787989 Method for controlling an autonomous mobile robot and related device  
The invention concerns a navigation device for a mobile robot comprising means for measuring the amplitude and the phase of an electromagnetic signal emitted by a wire acting as limit for a...

Matches 1 - 50 out of 302 1 2 3 4 5 6 7 >