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Communications: directive radio wave systems and devices (e.g., radar, radio navigation)

20130113644 - Measurement device: Disclosed is a measurement device that can accurately measure size, position, the presence of an object, and the like by means of a simple and low-cost method. Specifically, disclosed is a measurement device that is provided with: a transmitter that transmits radio waves; a vibrating surface that vibrates mechanically; a... Agent: Hitachi, Ltd.

20130113645 - Detection and estimation of radio frequency variations: A system including a sampling module that generates samples of RF signals on a first channel during first, second, and third periods, which do not overlap. A difference module determines a first difference between i) a first count of polarity reversals during the first period and ii) a second count... Agent: Marvell World Trade Ltd.

20130113646 - Pipe survey method using uwb signal: A method of surveying the condition of an underground enclosure including the steps of: (a) positioning at least one transmitter/receiver unit (including an antenna) within an underground, substantially nonconductive enclosure, such that a substantial air gap exists between the antenna and the inner wall of the enclosure; (b) transmitting an... Agent: Louisiana Tech Research Foundation, A Division Of Louisiana Tech University Foundation, Inc.

20130113649 - Detection of an asymmetric object: An apparatus for detecting objects includes a transceiver configured to generate a radar signal, a transmit antenna coupled to the transceiver and configured to emit the radar signal, the radar signal comprising a first circular polarization, and a receive antenna coupled to the transceiver and configured to receive a return... Agent:

20130113647 - Moving-entity detection: A stepped-frequency radar signal is transmitted through a barrier. A transmitter of the stepped-frequency radar is on a first side of the barrier, a first object is on a second side of the barrier, and a second object that is distinct from the first object is on the second side... Agent: L-3 Communications Cyterra Corporation

20130113648 - Sensor head: Detection systems for scanning regions are disclosed. The detection systems may be used to detect various objects that are, for example, buried in the ground or obscured by being hidden on the body of a person. The detection systems include a sensor head having a continuous wave metal detector (CWMD)... Agent: L-3 Communications Cyterra Corporation

20130113650 - Methods and apparatus for suppression of low-frequency noise and drift in wireless sensors or receivers: An imaging receiver includes a low noise amplifier (LNA) module to receive and amplify the radio-frequency (RF) input signal; one or more switches configured to selectively pass RF input to one or more of the power detector circuits; one or more power detector circuits coupled to the switches to generate... Agent: Sabertek Inc.

20130113651 - Dual monopulse/interferometer radar aesa aperture: A dual monopulse/interferometer antenna and radar system. In one example, the antenna includes an active electronically steered monopulse array, and is configurable into an interferometer mode which uses a subset of the array elements of each quadrant of the monopulse array. In one example, the RF feed network that combines... Agent: Raytheon Company

20130113652 - Method of compensating sub-array or element failure in a phased array radar system, a phased array radar system and a computer program product: The invention relates to a method of compensating sub-array or element failure in a phased array radar system. The method comprises the step of defining a virtual array comprising a multiple number of virtual transceiver tiles preferably arranged halfway all connection lines interconnecting a transmitter tile to a receiver tile.... Agent: Nederlandse Organisatie Voor Toegepast- Natuurwetendschappelijk Onderzoek Tno

20130113653 - Radar device: The disclosed technique includes transmitting a signal intermittently according to a transmission cycle having a predetermined transmission period and a non-transmission period; receiving the signal reflected from a target with reception antennas; and detecting the target from the reflected signal. A high-frequency transmission signal attenuated during the transmission period and... Agent: Panasonic Corporation

20130113654 - Amelioration of frequency errors and/or their effects: A radio communications device comprising location finding means for determining the device's location based on satellite signals, a crystal oscillator whose output frequency acts as a controlling reference for the location finding means and processing means for intermittently correcting the crystal oscillator such that the output frequency experiences jumps. The... Agent:

20130113655 - Location watching: Techniques for watching a location of a device with respect to a destination target include obtaining a current location of a device from a localization operation, calculating an interval, and performing a next localization operation after the interval has expired. The interval may be calculated based on a velocity and... Agent: Microsoft Corporation

20130113656 - Method of reducing the glare of a receiver receiving signals from emitters: The present invention relates to a method of reducing the glare of at least one receiver within a positioning system, the system including a plurality of emitters, each emitter emitting signals modulated by one and the same code whose autocorrelation function exhibits a main peak and at least one white... Agent: Institut-telecom/telecom Sudparis

20130113658 - Inverse beamformer for inverting the action of existing beamformer in communication system: A beamformer is arranged to receive an input from a first antenna element and from at least one other antenna element and to generate at least a first and second output beam. The first and second output beams are combined at a connecting port such that signals received at the... Agent: Apple Inc.

20130113657 - Systems and methods to increase the number of simultaneous pixels in a wireless imaging system: A phased array receiver having beam-forming capability, with M inputs and N outputs, includes M radio-frequency (RF) front-ends, each comprising an RF amplifier; and a beam-forming network, with M input ports and N output ports, each coupled to at least one of the other ports through an electrical network, and... Agent: Sabertek Inc.

20130113659 - Detection of signals: Described herein is a method and apparatus for the detection of signals in an area of interest. Three sensor channels are provided for sensing radiated emissions in an area of interest, each channel having a sensor and a processor, the three channels sensing radiated emissions in the very low frequency... Agent:

20130113660 - Determining the geographic location of a portable electronic device: A self-positioning portable electronic device comprises a signal receiving unit for receiving a signal from one or more remote transmitters, and a local positioning unit for determining a local position of the device. The device operates to obtain a plurality of data samples from the signal at different time points... Agent: Sony Mobile Communications Ab

20130106639 - Electromagnetic anechoic chamber: An electromagnetic anechoic chamber includes a support board, a cover, and a number of adjustable boards. The support board defines an opening. The cover covers the support board to form a test chamber between the cover and the support board, electromagnetic wave absorptive material spread on the support board and... Agent: Hong Fu Jin Precision Industry (shenzhen) Co., Ltd

20130106640 - Gps signal reception apparatus and method: A Global Positioning System (GPS) signal reception apparatus including a GPS antenna unit, a GPS signal selection unit, and a jamming signal detection unit is provided. The GPS antenna unit includes a first-type antenna and a plurality of second-type antennas which have directivities different from each other. The GPS signal... Agent: Electronics And Telecommunications Research Institute

20130106641 - Carrier frequency offset compensation in beamforming systems: A method for communicating signals in an ultra high bandwidth system that compensates for carrier frequency offset is provided. A baseband transmit signal having a plurality of data bits is generated. The baseband transmit signal is upconverted to a radio frequency (RF) transmit signal using a first local oscillator signal... Agent: Texas Instruments Incorporated

20130106642 - Subterranean radar system and method: A subterranean radar array system and method for imaging a subterranean target area. In one example, the subterranean radar array includes a plurality of radar chains disposed in a plurality of underground columns, each radar chain including a plurality of radar units forming the plurality of radar chains and at... Agent: Raytheon Company

20130106649 - Methods and apparatus for wide area synthetic aperture radar detection: Methods and apparatus for providing a first radar system having a transmitter and a receiver and a reflector to provide a synthetic aperture radar relationship. The signal return is processed to generate an image of targets in the area.... Agent:

20130106650 - Optical synthetic aperture radar: An optical SAR transmits toward a target an amplitude modulated optical signal. Modulation of optical signals may be performed using light emitting devices such as semiconductor laser diodes driven by a modulation signal so that the emitted optical signal intensity is amplitude modulated. Transmitted optical signals are reflected from a... Agent: Lockheed Martin Corporation

20130106651 - Single-pass barankin estimation of scatterer height from sar data: Traditional multi-pass radar techniques are not suitable for missions in which the aerial platform both identifies and prosecutes the target at termination of a single pass. A single pass method running a Barankin Estimator provides target height and variance for 3D target imaging that is suitable for war fighters, missiles,... Agent: Raytheon Company

20130106643 - Rf gun barrel detection system: A method of detecting an object includes receiving first reflected radio frequency (RF) signals from a region using an antenna and generating a first backscattering signature of the region from the first reflected RF signals. The method further includes receiving second reflected RF signals from the region subsequent to receiving... Agent: Raytheon Company

20130106644 - Ultra low power homodyne motion sensor: Power consumption in an oscillator formed of a chain of two inverters in series, with resistive feedback from the output of the first inverter to its input, and capacitive feedback from the output of the second inverter to the input of the first inverter is lowered by reducing the supply... Agent: Lawrence Livermore National Security, LLC

20130106645 - Passive bistatic radar for vehicle sense and avoid: A system and methods for onboard sense and avoidance of an object are disclosed. At least one transmitter and at least one transmitter location of the at least one transmitter are selected from a database of transmitters based on a vehicle location of a vehicle, and at least one total... Agent:

20130106646 - Radar apparatus with different operation modes: In a radar apparatus, a peak extractor performs frequency analysis on a beat signal to obtain a frequency spectrum for each of first and second detection modes based on the beat signal for a corresponding one of the first and second detection modes. The peak extractor extracts a plurality of... Agent: Denso Corporation

20130106647 - Identifying a location of a target object using a monopulse radar system and space-time adaptive processing (stap): A method and apparatus for identifying locations of objects. A portion of a sum signal corresponding to angular locations and velocities with respect to a sensor system that are different from a selected angular location and a selected velocity with respect to the sensor system, respectively, is modified to form... Agent: The Boeing Company

20130106648 - Short-range homodyne radar system: A homodyne radar system includes an oscillator, an antenna, a low noise amplifier, a mixing subsystem and a directional coupler. The oscillator is configured to generate a transmit signal and a local oscillator signal. The antenna is configured to transmit the transmit signal and to receive a receive signal. The... Agent: The Charles Stark Draper Laboratory, Inc.

20130106652 - Method and system for a dual mode global navigation satellite system: Methods and systems for a dual mode global navigation satellite system may comprise selectively enabling a medium Earth orbit (MEO) radio frequency (RF) path and a low Earth orbit (LEO) RF path in a wireless communication device to receive RF satellite signals. The signals may be down-converted to determine a... Agent:

20130106653 - Method and system for indoor global navigation satellite system detection utilizing low-earth orbit satellite signals: Methods and systems for indoor global navigation satellite system detection utilizing low Earth orbit satellite signals may comprise receiving low Earth orbit (LEO) RF satellite signals utilizing a LEO satellite signal receiver path (LEO Rx) in a wireless communication device comprising the LEO satellite signal receiver path and a medium... Agent:

20130106654 - Method for calibrating an active antenna: In the field of active phase-control antennas, a method is provided for calibrating the phase centre of an active antenna comprising a plurality of sub-elements able to receive a useful signal emitted by a satellite, said calibration being defined as a function of the reception characteristics of a reference signal... Agent: Thales

20130106655 - Method, device and network for authenticating the position of a navigation receiver: This document describes a method of processing data which consists in detecting and storing in a device the stream of navigation messages and the physical parameters of the signals received in a receiver originating from the satellite-based or terrestrial navigation systems and its comparison with the original data transmitted by... Agent:

20130106656 - Method for the coordinated processing of signals transmitted by beacons: A method is provided for demodulating a signal carrying a message transmitted by a terrestrial beacon, executed by a system comprising a constellation of satellites suitable for detecting said signal and for repeating it towards receiving stations on the ground, and an analysis module suitable for receiving signals from said... Agent: Thales

20130106657 - Method and system for determining a time difference, method and system for finding a position of a transmitter: A method for determining a time difference between a first and a second time of arrival of the signal is described, the method including: receiving a first representation of the signal at the first time of arrival; receiving a second representation of the signal at the second time of arrival;... Agent: Innovationszentrum Fuer Telekommunikationstechnik Gmbh Izt

20130099956 - Apparatus to reduce specific absorption rate: In described embodiments, a user is protected from potential health risks from emitted RF energy from a wireless handset or other device by reducing Specific Absorption Rate (SAR) of the device while avoiding, or even improving, the radiation pattern of the antenna. For example, a hat, cap or other covering... Agent: Lsi Corporation

20130099960 - Ice data collection, processing and visualization system: Autonomous Underwater Vehicles (AUV) collect and transmit information about ice floe thickness; this is combined with SYNTHETIC APERTURE RADAR images from satellites to identify and track dangerously thick regions of ice. The overlayed data is presented graphically to allow tracking of the thick ice regions over time. This information is... Agent: Conocophillips Company

20130099957 - Optical assembly for laser radar: A compact optical assembly for a laser radar system is provided, that is configured to move as a unit with a laser radar system as the laser radar system is pointed at a target and eliminates the need for a large scanning (pointing) mirror that is moveable relative to other... Agent: Nikon Corporation

20130099958 - Method for initializing cartesian tracks based on bistatic measurements performed by one or more receivers of a multistatic radar system: The invention consists of a method that makes it possible to produce an association of bistatic blips, formed by the different bistatic bases of a multistatic radar system comprising a plurality of transmitters and receivers remote from one another, this association making it possible to transmit to the tracking means... Agent: Thales

20130099959 - High speed high resolution wide range low power analog correlator and radar sensor: Systems, methods and apparatus related to a high speed, high dynamic range and low power consumption radar system are provided herein. The radar system may include an analog correlator which combines various pulse replication schemes with various parallel integrator architectures to improve the detection speed, dynamic range, and power consumption... Agent:

20130099961 - Wireless communication apparatus: A wireless communication apparatus may include an instruction unit that instructs a peripheral terminal to acquire a navigation message transmitted from a global positioning system (GPS) satellite, an acquisition unit that acquires the navigation message, which has been acquired by the peripheral terminal, from the peripheral terminal, and a calculation... Agent: Olympus Corporation

20130099962 - Indoor altitude measurment by gnss receiver: Global Navigation Satellite Systems (GNSS), such as the US GPS, the European GALILEO and the Russian GLONASS are very limited indoors, due to very low power levels and significant multipath. So, though hundreds of millions of people around the world use GPS receivers, particularly embedded in mobile devices, they cannot... Agent:

20130099963 - Techniques for affecting a wireless signal-based positioning capability of a mobile device based on one or more onboard sensors: Various methods, apparatuses and/or articles of manufacture are provided which may, for example, be implemented to compute one or more inferences from signals generated by one or more inertial sensors or environmental sensors, detect an erroneous condition responsive to a comparison of the computed inference(s) with an initial position or... Agent:

20130099964 - Gps reception apparatus and positional calculation method for the same: A reception unit receives global positioning system signals transmitted by a plurality of satellites to obtain satellite information. A determination unit determines whether or not a state in which the reception unit receives the global positioning system signals is a predetermined reception state. A positional calculation unit calculates a current... Agent: Casio Computer Co., Ltd.

20130099966 - Method and system for propagating gnss assistance data among communication devices: A communication device within a GNSS group propagates GNSS assistance data to one or more other communication devices in the GNSS group. The GNSS assistance data includes ephemeris received from one or more GNSS satellites and/or predicted ephemeris. As a source device, the communication device generates, and/or acquires from other... Agent: Broadcom Corporation

20130099965 - Satellite based positioning: The invention relates to a positioning of an assembly 1. An assembly 1 comprises a GNSS receiver 3 and a wireless communication module 2 and may exchange GNSS information with other assemblies 1 using cellular or non-cellular links. Relative positions between assemblies 1 are determined based on GNSS measurements at... Agent: Nokia Corporation

20130099967 - Clock drift profile determination in navigation system receivers: Navigation system receiver, and test circuits and methods for determining drift profile of a receiver clock in the navigation system receiver are disclosed. In an embodiment, the navigation system receiver includes a clock source configured to generate a receiver clock for the navigation system receiver and a test circuit. The... Agent: Texas Instruments Incorporated

20130099968 - Gnss positioning in elevator: The present invention discloses a radio beacon coupled to an altimeter, for GPS positioning in an elevator, configured to broadcast signals forcing a nearby GPS receiver to read constant latitude and constant longitude, associated with the position of the elevator shaft, and altitude associated with the altimeter reading. The acquired... Agent:

20130099969 - Method and system for extending the usability period of long term orbit (lto): Aspects of a method and system for extending the usability period of long term orbit (LTO) are provided. A GPS enabled handset may receive LTO data from an AGPS server via a wireless communication network such as 3GPP or WiMAX. The GPS enabled handset may be enabled to receive broadcast... Agent: Broadcom Corporation

20130099970 - Positioning apparatus and signal processing method thereof: A signal processing method of a positioning apparatus includes the following steps. A satellite signal is received to provide at least a distance information. A correction value of a phase measurement time is generated according to the distance information and phase data of the satellite signal are corrected in sequence... Agent: Getac Technology Corporation

20130099971 - Information processing apparatus, reception information server, information processing method, program, and recording medium: There is provided an information processing apparatus including a satellite positioning unit that performs positioning based on a positioning signal received from a positioning satellite, an environment information acquiring unit that acquires environment information unique to a current location, a reception information acquiring unit that acquires reception information indicating a... Agent: Sony Corporation

20130099972 - Antenna apparatus: Provided is an antenna apparatus which employs a small number of antenna devices and is intended to obtain a desired pattern without adjusting current level and phase of each antenna device. The antenna apparatus includes a first ridge horn antenna, and a second ridge horn antenna spaced apart from the... Agent: Electronics And Telecommunications Research Institute

20130099973 - Random jitter beamforming method and transmitter and receiver using the same: A random jitter beamforming method for reducing the influence of a side lobe to decrease a beam width, and a transmitter and a receiver using the same are provided. The random jitter beamforming method includes dividing a series of binary sequences to generate a plurality of bit groups, designating a... Agent: Electronics And Telecommunications Research Institute

20130099974 - Switched beam smart antenna apparatus and related wireless communication circuit: A switched beam smart antenna apparatus is disclosed including: a first, a second, a third, and a fourth beam adjusting elements substantially perpendicular to a substrate; a radiation strip positioned within an area surrounded by the first to fourth beam adjusting elements and substantially perpendicular to the substrate; a first... Agent: Realtek Semiconductor Corp.

20130099975 - Search and rescue method and system: A method for locating a transmitter using a receiver which include, but are not limited to the steps of transmitting a plurality of distinctive and orthogonally polarized signals from a transmitter; receiving the transmitted signals at a pair of separated antennas; demodulating the distinctive orthogonal signals received at each of... Agent: Worcester Polytechnic Institute

20130099977 - Method and/or apparatus for geofence management: Disclosed are a system, method or device for maintaining a geofence to provide alerts in response to an object entering or exiting an area bounded by the geofence. In one example implementation, a geofence may be temporarily altered. In particular examples, such an alteration of a geofence may comprise changing... Agent: Qualcomm Incorporated

20130099976 - System and method of locating missing nodes in networks: Systems and methods of locating missing endpoints in a utility meter network include periodically receiving electronic GPS data including coordinates identifying the physical location of a mobile meter reading device and collecting radio frequency (RF) data transmissions sent by one or more missing endpoints in proximity to the mobile meter... Agent: Itron, Inc.

20130093610 - Apparatus for measuring the earth surface movement by means of sar images with at least one electromagnetic wave reflector: An apparatus is described for measuring the earth surface movement by means of SAR images; the apparatus comprises at least one SAR radar (10) placed on a satellite or on an aeroplane and at least one electromagnetic wave reflector (1) placed on an earth surface portion to be measured. The... Agent:

20130093611 - Imaging system: An imaging system (1) comprises a transmitter (3, 6), a receiver (3, 4, 6), an antenna array (2); and a controller (4, 5, 10, 11) for directing the transmitter, the receiver, and the antenna array to scan a volume containing an object. The controller has multiple distributed processors (15) to... Agent: Smiths Detection Ireland Limited

20130093612 - Automatic monitoring of flight related radio communications: The present disclosure is generally directed to processing air traffic controller (“ATC”) communication directed to aircraft other than the current aircraft. ATC communication is processed using speech recognition and the call sign and augmented flight information for other aircraft is identified. The corresponding aircraft icon on the display representing the... Agent:

20130093613 - Signal processing device, radar device, vehicle control system, and signal processing method: There is provided a signal processing device. Data indicative of a past sensing point, and a counter value indicative of existence possibility of the past sensing point are stored in a storage. Whether the past sensing point has continuity to a recent sensing point is determined. The counter value associated... Agent: Fujitsu Ten Limited

20130093614 - Object identification device and method: Provided is an object identification device and a method for the same that are capable of identifying a three-dimensional object and a road surface static object, irrespective of situations. The object identification device identifies an object, based on a transmission signal and a reflection signal caused by the object reflecting... Agent: Toyota Jidosha Kabushiki Kaisha

20130093616 - Radar sensor and method of detecting object using the same: A radar sensor and a method of detecting an object by using the same are provided. The method includes: receiving at least one radar signal reflected from the object; converting the received at least one radar signal to at least one signal in a frequency domain; accumulating the converted at... Agent: Samsung Techwin Co., Ltd.

20130093615 - Surveillance system and method: Provided is a surveillance system including a radar transmitter which transmits a detection signal to an object existing within a surveillance region, and at least one radar receiver which is installed separate from the radar transmitter within the surveillance region, receives a signal reflected by the object, and predicts a... Agent: Samsung Techwin Co., Ltd.

20130093617 - Methods for resolving radar ambiguities using multiple hypothesis tracking: Methods for resolving radar ambiguities using multiple hypothesis tracking are described. One such method includes (a) choosing a single waveform for each of a plurality of dwells of a first scan, wherein the single waveforms of consecutive scans are different, (b) generating the first scan using the single waveform for... Agent:

20130093618 - Method and system for improving accuracy of position correction data in differential global positioning system using vehicle to vehicle communication: A method and system for improving accuracy of a position correction data in a differential global positioning system (DGPS) using vehicle to vehicle (V2V) communication, capable of correcting a DGPS data received from a road side unit (RSU) into information calculated by a sensor, and providing neighbouring vehicles with the... Agent: Hyundai Motor Company

20130093619 - Apparatus and method for indoor positioning: Provided is a technique for estimating an indoor position, by which a terminal may receive a positioning signal from a pseudo satellite, using a plurality of receiving antennas, determine a position of the pseudo satellite based on positional information included in the received positioning signal, estimate a direction of the... Agent: Electronics And Telecommunications Research Institute

20130093620 - Dual frequency receiver for satellite based positioning and associated method of reception: o

20130093621 - Receiving device, receiving method and mobile terminal: Provided is a receiving device, including a receiving unit that receives a signal from a satellite in a GPS, a frequency converting unit that converts a frequency of a reception signal received by the receiving unit into a predetermined IF, a synchronization acquiring unit that performs synchronization acquisition for detecting... Agent: Sony Corporation

20130093622 - Method and software for spatial pattern analysis: A method and software implementation for spatial pattern analysis. A user-guided test procedure is implemented to measure features of an antenna under test to determine the antenna's far-field patterns. The antenna features include RF amplitude or phase, and position and orientation relative to a receiving object.... Agent:

20130093623 - Wireless communication device, communication method and storage medium: A wireless communication device forms a second directivity response pattern having a null value in the direction of a main lobe of a first directivity response pattern, and communicates with a communication partner device by using the first directivity response pattern and the second directivity response pattern.... Agent: Canon Kabushiki Kaisha

20130093624 - Hybrid beamforming for a wireless communication device: The present disclosure relates a method for performing hybrid beamforming in a wireless communication device or any device that uses signal phase shifting for transmission and/or reception. The method comprises performing phase shifting in at least two different domains (or paths), each characterized by an operational frequency, in the communication... Agent: Imec

20130093625 - Deployable intelligence and tracking system for homeland security and search and rescue: This invention builds on previous industry techniques to correlate data from a variety of sources for the purposes of tracking and identifying aircraft, vehicles, and marine vessels in real time over a variety of different areas including oceans and mountainous terrain. Passive broadband tracking of aircraft emitters, and electronic fingerprinting... Agent:

20130093626 - Simultaneous radio detection and bearing system: Provided is a non-transitory machine readable medium on which is stored a computer program including instructions to adapt a computer system having at least one processor as a simultaneous radio detection and bearing system, including: an RF conditioning subsystem for connection to a plurality of arrays of Frequency Range signal... Agent: On Target Enterprises, Inc.

20130093628 - 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, and accurately identify a position for, or geolocate, the target wireless devices or access points. A position of the receiving... Agent: Lockheed Martin Corporation

20130093627 - Power-aware tiered geofencing and beacon watchlists: Embodiments enable geofencing applications and beacon watch lists. A computing device with at least a first processor and a second processor identifies a set of beacons associated with a geofence. The first processor consumes less power when operating than the second processor. The first processor is provided with the identified... Agent: Microsoft Corporation