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| Number | Title | Issue Date |
| 8174442 | Phased array antenna system with variable electrical tilt A phased array antenna system with variable electrical tilt comprises an array of antenna elements etc. incorporating a divider dividing a radio frequency (RF) carrier signal into two signals between which a phase shifter introduces a variable phase shift. A phase t... | 05/08/2012 |
| 8149165 | Configurable antenna interface Techniques for interfacing a set of active elements with an antenna array. In one exemplary embodiment, the active elements include a plurality of signal paths, each signal path including a mixer coupled to a local oscillator (LO) signal having an adjustable phase. ... | 04/03/2012 |
| 8149166 | Scalable phased array beamsteering control system A scalable phased array beamsteering control system to beamsteer a phased array antenna. The control system includes an overlord controller, a plurality of master controllers and a plurality of groups of slave controllers arranged in a daisy chain configuration.... | 04/03/2012 |
| 8115678 | Generating an array correlation matrix using a single receiver system According to one embodiment, generating an array correlation matrix includes interfacing with an antenna system that has antenna elements. The antenna elements receive incoming signals, and each antenna generates a response signal in response to receiving the signal... | 02/14/2012 |
| 8098198 | Vertically integrated phased array A vertically integrated electronically steered phased array that employs beamsteering using a programmable phase locked loop including a local oscillator. The local oscillator provides an oscillator signal that is converted to an RF signal that can be either up-conv... | 01/17/2012 |
| 8094074 | Dynamic radiation pattern antenna system The present invention relates to a dynamic radiation pattern antenna system comprising a plurality of antenna units, a control unit and an electronic interface. The plurality of antenna units has electronically controllable radiation patterns. The control unit is dy... | 01/10/2012 |
| 8089402 | System and method for correcting global navigation satellite system carrier phase measurements in receivers having controlled reception pattern antennas This invention discloses a method for enhancing a Global Navigation Satellite System (GNSS), such as Global Positioning System (GPS), location calculation by supplying carrier phase corrections within a GNSS receiver used with a multiple element Controlled Reception... | 01/03/2012 |
| 8054224 | Phased array antenna using identical antenna cells A method and apparatus for creating an antenna system. A configuration for a plurality of antenna cells is selected for an antenna in the antenna system. Each antenna cell in the plurality of antenna cells comprises a plurality of antenna elements having a symmetric... | 11/08/2011 |
| 8013791 | Phased array system using baseband phase shifting A method of spatial control of a phased array system having a plurality of antenna elements is provided. The method includes providing a baseband signal, baseband phase shifting the baseband signal to provide a plurality of baseband shifted signals for controlling p... | 09/06/2011 |
| 7999736 | Slot antenna and method for its operation The invention relates to a slot antenna, more particularly to a transmitting antenna for RFID, comprising an antenna contour board having a plurality of antenna slots and at least one control circuit for enabling the antenna contour board to transmit and/or receive ... | 08/16/2011 |
| 7994980 | Apparatus for correcting phase of phased array antenna and method thereof Provided are an apparatus for correcting a phase of a phased array antenna and a method thereof. The apparatus for correcting a phase of a phased array antenna for receiving a radio signal, includes a phased array antenna for receiving radio signals from a reference... | 08/09/2011 |
| 7990316 | Antenna system having feed subarray offset beam scanning An antenna system and electronic scanning method that employs feed subarray electronic offset beam scanning. The system includes a feed element containing an array of electronic transmitting/receiving elements. The system further includes a reflector for reflecting ... | 08/02/2011 |
| 7969359 | Reflective phase shifter and method of phase shifting using a hybrid coupler with vertical coupling A phase shifter and method include a hybrid coupler being ground shielded. The hybrid coupler with reflective terminations connected to the hybrid coupler is configured to phase shift an applied signal wherein the reflective terminations include a parallel LC circui... | 06/28/2011 |
| 7965234 | Beamforming apparatus and method for multi-antenna system A beamforming apparatus for a multi-antenna system includes a phase control unit including a plurality of phase shifters which respectively control the phases of signals according to a preset phase weight vector; a signal combination unit combining the signals outpu... | 06/21/2011 |
| 7916083 | Vertically integrated electronically steered phased array and method for packaging A vertically integrated electronically steered phased array that employs beamsteering using a programmable phase locked loop including a local oscillator. The local oscillator provides an oscillator signal that is converted to an RF signal that can be either up-conv... | 03/29/2011 |
| 7911383 | Phased array antenna system with two dimensional scanning A phased array antenna system with two dimensional scanning includes a two dimensional array A of antenna elements A1,1 to A12,12 arranged in lines; each line is associated with a respective first rank corporate feed network 161 | 03/22/2011 |
| 7889127 | Wide angle impedance matching using metamaterials in a phased array antenna system A phased array antenna system may include a sheet of conductive material with a plurality of aperture antenna elements formed in the sheet of conductive material. Each of the plurality of aperture antenna elements is capable of sending and receiving electromagnetic ... | 02/15/2011 |
| 7880675 | Multipath mitigation Mitigation of the effects of multipath signals is provided. Such mitigation can include electronically steering the main beam of a receive pattern associated with a phased array antenna away from a transmitting antenna. In addition, a phase taper is applied to group... | 02/01/2011 |
| 7868823 | Phased array antenna system with variable electrical tilt A phased array antenna system with variable electrical tilt comprises an array of antenna elements etc. incorporating a divider dividing a radio frequency (RF) carrier signal into two signals between which a phase shifter introduces a variable phase shift. A phase t... | 01/11/2011 |
| 7864110 | Method for beam formation by calculation, in particular adapted to the compensation of failures of active modules of a radar with electronic scanning The invention relates to a method for beam formation by calculation. For each defective active module of rank ip, the missing samples of the microwave signal a(îp) are calculated by one or more non-adaptive interpolations using the samples coming from the active mo... | 01/04/2011 |
| 7859459 | Phased array receivers and methods employing phase shifting downconverters A phased array receiver includes a plurality of receive paths having a plurality of downconverters, a plurality of digitally controlled local oscillators associated with the plurality of receive paths, and a combiner. In response to a plurality of digital phase cont... | 12/28/2010 |
| 7821453 | 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) measuring the position of at least one node; (b) computing an estimate o... | 10/26/2010 |
| 7800538 | Power combining and energy radiating system and method A power-combining system and method for generating a high-power coherent wavefront are generally described herein. Other embodiments may be described and claimed. The power-combining system comprises a combining-radiating assembly having a plurality of ports. Phase ... | 09/21/2010 |
| 7683833 | Phase shifting and combining architecture for phased arrays Improved phased array techniques and architectures are provided. For example, a linear phased array includes N discrete phase shifters and N−1 variable phase shifters, wherein the N−1 variable phase shifters are respectively coupled between adjacent output nodes... | 03/23/2010 |
| 7642962 | Adaptive array antenna system and method of controlling directivity thereof An adaptive array antenna is disclosed which permits the circuit scale to be reduced by omitting a down-converter, an AD converter, and interconnects for them while controlling the directivity well. In one aspect, the array antenna comprises phase shift-amplitude co... | 01/05/2010 |
| 7619562 | Phased array systems A phased array system having antennas, non-variable phase shifters, and switches. The non-variable phase shifters are configured to be coupled selectively to a transmitter or a receiver. A non-variable phase shifter is configured to shift a phase of an electromagnet... | 11/17/2009 |
| 7602336 | Coherently combining antennas An apparatus includes antenna elements configured to receive a signal including pseudo-random code, and electronics configured to use the pseudo-random code to determine time delays of signals incident upon the antenna elements and to compensate the signals to coher... | 10/13/2009 |
| 7570209 | Antenna system including a power management and control system An antenna system may include a reconfigurable array antenna system including a plurality of elements each capable of radiating and receiving electromagnetic energy. The antenna system may also include an electronically reconfigurable power management and control sy... | 08/04/2009 |
| 7545322 | Antenna transceiver system Provided is an antenna transceiver system for transmitting and receiving voice, digital data, radar and IR signals, and for processing received signals for use by an operator. The system includes an antenna array having a plurality of radiating elements, each elemen... | 06/09/2009 |
| 7545323 | Phased array antenna systems and methods Systems and methods are disclosed herein providing an improved approach to phased array antenna communications. In one example, an antenna system includes a digital beamformer adapted to receive a plurality of input signals and selectively replicate and weight the i... | 06/09/2009 |
| 7545324 | Phased array antenna systems and methods Systems and methods are disclosed herein providing an improved approach to phased array antenna communications. In one example, an antenna system includes a digital beamformer adapted to receive a plurality of input signals and selectively replicate and weight the i... | 06/09/2009 |
| 7518552 | Antenna control system A cellular base station telecommunication system includes a plurality of base station antenna sites, each site having one or more groups of base station antennas. A central controller is configured to control an electrical or mechanical parameter in one or more of t... | 04/14/2009 |
| 7511665 | Method and apparatus for a frequency diverse array Method and apparatus for a frequency diverse array. Radio frequency signals are generated by a plurality of independent waveform generators and simultaneously applied to a transmit/receive module. A progressive frequency shift is applied to all radio frequency signa... | 03/31/2009 |
| 7511664 | Subassembly for an active electronically scanned array According to an embodiment of the present invention, a subassembly for a phased array radar includes a substrate generally lying in a first plane, the substrate including a plurality of transmit/receive modules coupled to a mounting surface and a plurality of radiat... | 03/31/2009 |
| 7482976 | Antenna calibration method and apparatus Measurements of frequency and/or phase are taken at the signal ports (S1-S4) of an ISS device (10). These measurements are used to determine phase errors within the ISS device, and phase errors due to the antenna cables (C1-C4). On... | 01/27/2009 |
| 7463190 | Panel antenna with variable phase shifter A panel antenna having a variable phase shifter module with at least one main-PCB having an input trace coupled to a wiper junction. An arcuate trace on the main-PCB extending between a first output trace and a second output trace, the arcuate trace having an arc ce... | 12/09/2008 |
| 7432855 | RFID reader and active tag In one embodiment, an RFID reader and active tag (RAT) includes: a first beam forming means for interrogating a plurality of RFID tags using at least a first set of two antennas coupled to a first fixed phase feed network, the beam forming means being configured to ... | 10/07/2008 |
| 7433713 | Mobile radio base station A mobile-radio base station for a teleconununicaions system includes vector modulator means for independently controlling the phase and/or amplitude of a plurality of component signals representative of the signal to be transmitted or received, such that when these ... | 10/07/2008 |
| 7432856 | Signal simulation device A signal simulation device for testing and developing radio receivers adapted to orientate antenna beams to different radio transmitters and to simultaneously suppress interference signals, comprises an antenna array, a signal generator generating reproducible digit... | 10/07/2008 |
| 7429949 | Robust beamforming based on nulls broadening and virtual antenna elements A method and system for generating beamforming weights for a plurality of antenna elements is disclosed. The invention consists of generating broadened nulls in a direction of arrival corresponding to one or more co-channel interference signals. The broadened nulls ... | 09/30/2008 |
