61 patents
Page 3 of 4
Utility
Over-the-air calibration of antenna system
14 Jun 22
In an embodiment, an apparatus included in a communications system includes a transmit section including a first baseband section and a first radio frequency (RF) section, wherein the transmit section is configured to receive a calibration signal, the first RF section is configured to generate a RF calibration signal based on the calibration signal, and wherein the calibration signal comprises an orthogonal code based signal; and a receive section configured to receive the RF calibration signal over-the-air, wherein the receive section includes a second RF section and a calibration section, wherein the second RF section is configured to generate a received calibration signal based on the RF calibration signal, and wherein the calibration section is configured to determine one or more of gain, baseband delay, or RF delay compensation values, based on the inputs, to calibrate the transmit section.
David Francois Jacquet, Masoud Kahrizi, Robert Baummer, Jr., Jean-Noel Rozec, Fabrice Jean André Belvèze, Paul Lee Pearson, Francois Lucien Emile Icher, Marc Gens, Pascal Triaire
Filed: 13 May 20
Utility
Phase lock loop (PLL) synchronization
10 May 22
In an embodiment, an apparatus includes a first integrated circuit (IC) chip configured to receive a timing signal and a reference clock signal; and a second IC chip configured to receive the timing signal and the reference clock signal.
David Francois Jacquet, Mostafa Ghazali, Masoud Kahrizi, Andras Tantos
Filed: 12 Aug 21
Utility
Antenna apparatus having fastener system
3 May 22
In one embodiment of the present disclosure, a housing assembly for an antenna apparatus includes a radome portion, a lower enclosure portion, and a fastener system configured for coupling the radome portion and the lower enclosure portion couplable to form an inner compartment for antenna components of an antenna assembly.
David Milroy, Victor Q. Dang, Michael J. Conte
Filed: 3 Jun 20
Utility
Antenna modules in phased array antennas
19 Apr 22
An apparatus includes a plurality of conductive structures having first sides and second sides opposite the first sides, wherein the second sides of the plurality of conductive structures are configured to be physically coupleable with a printed circuit board (PCB) of a receiver or a transmitter, and wherein the first sides of the plurality of conductive structures are configured to be spaced from the PCB; and an antenna having a first side and a second side opposite the first side, wherein the first side comprises a radiating side of the antenna and the second side of the antenna is disposed closer to the plurality of conductive structures than the first side of the antenna, wherein the second side of the antenna is configured to be spaced from the PCB by a second distance different from the first distance when the plurality of conductive structures is physically coupled with the PCB.
Javier Rodriguez De Luis, Nil Apaydin, Ersin Yetisir, Alireza Mahanfar, Siamak Ebadi
Filed: 26 Apr 20
Utility
Stochastic digital pre-distortion compensation in a wireless communications system
22 Mar 22
A wireless communications system includes a stochastic pre-distortion actuator configured to receive a carrier-modulated signal and convert the carrier-modulated signal into an output signal.
Martin S. McCormick, Feipeng Wang
Filed: 25 Feb 21
Utility
Pre-deployment battery power conservation for spacecraft
22 Feb 22
Embodiments of the present disclosure are directed to techniques for autonomously transitioning a spacecraft from a power-saving state to a power-consuming state at a time after launch of the spacecraft on a launch vehicle.
Mohammed Faraz Admani, Pieter Buysschaert, Andrew D. Roberts, Garrett P. Simard
Filed: 12 May 20
Utility
System and method of providing multiple antennas to track satellite movement
1 Feb 22
An example system can include a first antenna having a first orientation, a second antenna having a second orientation and a control system communicating with the first antenna and the second antenna.
James Alexander Morris Tuchel, Andrew Louis Burks
Filed: 13 Jul 20
Utility
Uni-dimensional steering of phased array antennas
1 Feb 22
A phased array antenna system configured for communication with a satellite that emits or receives radio frequency (RF) signals travels in a first direction, the antenna system includes a phased array antenna including a plurality of antenna elements distributed in a plurality of M columns oriented in the first direction and a plurality of N rows extending in a second direction normal to the first direction, and a plurality of fixed phase shifters aligned for phase offsets between antenna elements in the first direction and a gain-enhancement system configured for gain enhancement in the second direction of radio frequency signals received by and emitted from the phased array antenna.
Alireza Mahanfar
Filed: 7 Sep 20
Utility
Chip to chip time synchronization
19 Oct 21
In an embodiment, an apparatus includes a first integrated circuit (IC) chip configured to receive a timing signal and a reference clock signal; a second IC chip configured to receive the timing signal from the first IC chip and the reference clock signal; and a third IC chip configured to receive the timing signal from the second IC chip and the reference clock signal.
Andras Tantos, David Francois Jacquet, Mario Toma
Filed: 26 Apr 20
Utility
Beamformer lattice for phased array antennas
12 Oct 21
In embodiments, an apparatus includes a beamformer including a plurality of inputs and a plurality of outputs, a plurality of input vias, and a plurality of output vias.
Nil Apaydin, Chiara Pelletti, Souren Shamsinejad, Alireza Mahanfar
Filed: 14 Feb 19
Utility
Phase lock loop (PLL) synchronization
28 Sep 21
In an embodiment, an apparatus includes a first integrated circuit (IC) chip configured to receive a timing signal and a reference clock signal; a second IC chip configured to receive the timing signal from the first IC chip and the reference clock signal; and a third IC chip configured to receive the timing signal from the second IC chip and the reference clock signal.
David Francois Jacquet, Mostafa Ghazali, Masoud Kahrizi, Andras Tantos
Filed: 26 Apr 20
Utility
Antenna aperture in phased array antenna systems
6 Jul 21
Embodiments of present disclosure are directed to apparatuses, systems, and methods relating to antenna apertures in phased array antenna systems directed to configuring antenna lattices in a space tapered configuration and mapping from the antenna lattices, interspersing of antenna elements in an antenna aperture, and rotation of antenna element in the antenna aperture for purity polarization.
Alireza Mahanfar, Javier Rodriguez De Luis, Nil Apaydin, Ersin Yetisir, Shaya Karimkashi Arani
Filed: 14 Feb 19
Utility
Antenna modules for phased array antennas
25 May 21
In some embodiments, an antenna module includes an antenna element having a first side and a second side opposite the first side; a spacer structure disposed at the second side of the antenna element and configured to define a cavity, the spacer structure configured to be physically and electrically couplable with a printed circuit board (PCB) of a receiver or a transmitter; and an amplifier located within the cavity.
Alireza Mahanfar, Souren Shamsinejad, Shaya Karimkashi Arani, Siamak Ebadi, Ersin Yetisir, Peter Sung Tri Hoang, Javier Rodriguez De Luis, Nil Apaydin
Filed: 14 Feb 19
Utility
Hierarchical network signal routing apparatus and method
4 May 21
In embodiments, a power splitter/combiner includes a first electrically conductive trace included in a first layer; second and third electrically conductive traces included in a second layer; a first via electrically coupled to the first and second electrically conductive traces; and a second via electrically coupled to the first and third electrically conductive traces.
Souren Shamsinejad, Javier Rodriguez De Luis, Nil Apaydin, Alireza Mahanfar
Filed: 14 Feb 19
Utility
Antenna-to-beamformer assignment and mapping in phased array antenna systems
6 Apr 21
In one embodiment of the present disclosure, a phased array antenna system includes a first portion carrying an antenna lattice including a plurality of antenna elements, wherein the plurality of antenna elements are arranged in a first configuration, a second portion carrying a beamformer lattice including a plurality of beamformer elements, wherein the plurality of beamformer elements are arranged in a second configuration different from the first configuration, and a third portion disposed between the first portion and the second portion carrying at least a portion of a mapping including a first plurality of mapping traces on a first surface providing at least a portion of the electrical connection between the plurality of antenna elements and the plurality of beamformer elements, wherein each of the plurality of antenna elements are electrically coupled to one of the plurality of beamformer elements.
Javier Rodriguez De Luis, Robert Baummer, Jr., Nil Apaydin, Alireza Mahanfar
Filed: 14 Feb 19
Utility
Channel extraction digital beamforming
9 Mar 21
In an embodiment, a receiver included in a communications system includes a channel extractor configured to segregate a received signal into a plurality of channel signals, wherein the plurality of channel signals includes a plurality of data signals; a plurality of phase shifters electrically coupled to the channel extractor and configured to decode each data signal of the plurality of data signals with a respective phase; and a plurality of time delay filters electrically coupled to the plurality of phase shifters and configured to decode each data signal of the plurality of data signals with a respective time delay, wherein the plurality of time delay filters outputs each subset of the plurality of data signals in a respective channel of the plurality of channels.
Alireza Mehrnia, Masoud Kahrizi, Alex Ahmad Mirzaei, Bagher Afshar, Ali Sajjadi, Bernd Pregardier, Ka Shun Carson Pun, Omid Nasiby, Igor Elgorriaga
Filed: 3 May 20
Utility
Channel aggregation digital beamforming
2 Mar 21
In an embodiment, an apparatus includes a first plurality of digital beamformers associated with a first channel; a second plurality of digital beamformers associated with a second channel different from the first channel; a channel combiner, electrically coupled to the first and second plurality of digital beamformers, and configured to generate a combined channel comprising an aggregation of the encoded first plurality of data beams and the encoded second plurality of data beams, wherein the combined channel has a bandwidth that is a function of a bandwidth of one or both of the first or second channel; and a radio frequency (RF) transmission section, electrically coupled to the channel combiner, and configured to generate an output signal to be provided to a transmitting antenna based on the combined channel, wherein the RF transmission section includes a digital-to-analog converter (DAC) and a mixer.
Alireza Mehrnia, Masoud Kahrizi, Ka Shun Carson Pun, Omid Nasiby, Alex Ahmad Mirzaei
Filed: 3 May 20
Utility
Satellite constellations
23 Nov 20
A constellation of satellites includes a first plurality of satellites orbiting at a first inclination, wherein the first plurality of satellites are each in a discrete planar orbit to form a first snake of satellites, the first snake of satellites including adjacent satellites in adjacent orbits having adjacent RAAN (Right Ascension of the Ascending Node).
Jonathan F. C. Herman, Stephen Mance, Paul Forquera, Mark Krebs
Filed: 27 Feb 18
Utility
Niobium metal alloy
23 Nov 20
In one embodiment of the present disclosure, a niobium metal alloy composition includes: a vanadium content in the range of about 1.5 to about 12 weight percent; a hafnium content in the range of about 5 to about 13 weight percent; a titanium or zirconium content or a mixture of titanium and zirconium content in the range of about 0.25 to about 2.5 weight percent; and a niobium content as a balance of the alloy.
Gavin J. Garside, Kevin A. Lohner, Meagan R. Slater, Charles Kuehmann, David R. Snyder, Jason T. Sebastian, Gregory B. Olson
Filed: 12 Apr 18
Utility
Uni-dimensional steering of phased array antennas
7 Sep 20
A phased array antenna system configured for communication with a satellite that emits or receives radio frequency (RF) signals and has a repeating ground track in a first direction, the antenna system includes a phased array antenna including a plurality of antenna elements distributed in a plurality of M columns oriented in the first direction and a plurality of N rows extending in a second direction normal to the first direction, and a plurality of fixed phase shifters aligned for phase offsets between antenna elements in the first direction and a gain-enhancement system configured for gain enhancement in the second direction of radio frequency signals received by and emitted from the phased array antenna.
Alireza Mahanfar
Filed: 27 Feb 18